Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

221 files changed, 7232 insertions, 0 deletions

diff --git a/testing/mozharness/configs/android/android-aarch64-profile-generation.py b/testing/mozharness/configs/android/android-aarch64-profile-generation.py
new file mode 100644
index 0000000000..acbe1af4ca
--- /dev/null
+++ b/testing/mozharness/configs/android/android-aarch64-profile-generation.py
@@ -0,0 +1,45 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# mozharness configuration for Android x86/x86_64 7.0 unit tests
+#
+# This configuration should be combined with suite definitions and other
+# mozharness configuration from android_common.py, or similar.
+
+config = {
+    "emulator_avd_name": "mozemulator-android31-x86_64",
+    "emulator_process_name": "qemu-system-x86_64",
+    "emulator_extra_args": [
+        "-gpu",
+        "on",
+        "-skip-adb-auth",
+        "-verbose",
+        "-show-kernel",
+        "-ranchu",
+        "-selinux",
+        "permissive",
+        "-memory",
+        "4096",
+        "-cores",
+        "4",
+        "-skin",
+        "800x1280",
+        "-no-snapstorage",
+        "-no-snapshot",
+        # Disables first-run dialogs
+        "-prop",
+        "ro.test_harness=true",
+    ],
+    "exes": {
+        "adb": "%(abs_sdk_dir)s/platform-tools/adb",
+    },
+    "env": {
+        "DISPLAY": ":0.0",
+        "PATH": "%(PATH)s:%(abs_sdk_dir)s/emulator:%(abs_sdk_dir)s/tools:%(abs_sdk_dir)s/tools/bin:%(abs_sdk_dir)s/platform-tools",
+        # "LIBGL_DEBUG": "verbose"
+    },
+    "bogomips_minimum": 3000,
+    "android_version": 24,
+    "is_emulator": True,
+}
diff --git a/testing/mozharness/configs/android/android-x86_64-profile-generation.py b/testing/mozharness/configs/android/android-x86_64-profile-generation.py
new file mode 100644
index 0000000000..1f4c1c09a8
--- /dev/null
+++ b/testing/mozharness/configs/android/android-x86_64-profile-generation.py
@@ -0,0 +1,49 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# mozharness configuration for Android x86/x86_64 7.0 unit tests
+#
+# This configuration should be combined with suite definitions and other
+# mozharness configuration from android_common.py, or similar.
+
+config = {
+    "emulator_avd_name": "mozemulator-x86_64",
+    "emulator_process_name": "qemu-system-x86_64",
+    "emulator_extra_args": [
+        "-gpu",
+        "on",
+        "-skip-adb-auth",
+        "-verbose",
+        "-show-kernel",
+        "-ranchu",
+        "-selinux",
+        "permissive",
+        "-memory",
+        "3072",
+        "-cores",
+        "4",
+        "-skin",
+        "800x1280",
+        # Build machines cannot use KVM (because it requires a privileged docker
+        # container) so we run the profile generation with -no-accel which disables
+        # hardware acceleration.
+        "-no-accel",
+        "-no-snapstorage",
+        "-no-snapshot",
+        # Disables first-run dialogs
+        "-prop",
+        "ro.test_harness=true",
+    ],
+    "exes": {
+        "adb": "%(abs_sdk_dir)s/platform-tools/adb",
+    },
+    "env": {
+        "DISPLAY": ":0.0",
+        "PATH": "%(PATH)s:%(abs_sdk_dir)s/emulator:%(abs_sdk_dir)s/tools:%(abs_sdk_dir)s/tools/bin:%(abs_sdk_dir)s/platform-tools",
+        # "LIBGL_DEBUG": "verbose"
+    },
+    "bogomips_minimum": 3000,
+    "android_version": 24,
+    "is_emulator": True,
+}
diff --git a/testing/mozharness/configs/android/android-x86_64.py b/testing/mozharness/configs/android/android-x86_64.py
new file mode 100644
index 0000000000..08edc7fa90
--- /dev/null
+++ b/testing/mozharness/configs/android/android-x86_64.py
@@ -0,0 +1,46 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# mozharness configuration for Android x86/x86_64 7.0 unit tests
+#
+# This configuration should be combined with suite definitions and other
+# mozharness configuration from android_common.py, or similar.
+
+config = {
+    "emulator_avd_name": "mozemulator-x86_64",
+    "emulator_process_name": "qemu-system-x86_64",
+    "emulator_extra_args": [
+        "-gpu",
+        "on",
+        "-skip-adb-auth",
+        "-verbose",
+        "-show-kernel",
+        "-ranchu",
+        "-selinux",
+        "permissive",
+        "-memory",
+        "3072",
+        "-cores",
+        "4",
+        "-skin",
+        "800x1280",
+        "-no-snapstorage",
+        "-no-snapshot",
+        # Skips first-run dialogs
+        "-prop",
+        "ro.test_harness=true",
+    ],
+    "exes": {
+        "adb": "%(abs_sdk_dir)s/platform-tools/adb",
+    },
+    "env": {
+        "DISPLAY": ":0.0",
+        "PATH": "%(PATH)s:%(abs_sdk_dir)s/emulator:%(abs_sdk_dir)s/tools:%(abs_sdk_dir)s/platform-tools",
+        # "LIBGL_DEBUG": "verbose"
+    },
+    "bogomips_minimum": 3000,
+    # in support of test-verify
+    "android_version": 24,
+    "is_emulator": True,
+}
diff --git a/testing/mozharness/configs/android/android_common.py b/testing/mozharness/configs/android/android_common.py
new file mode 100644
index 0000000000..9d02fde314
--- /dev/null
+++ b/testing/mozharness/configs/android/android_common.py
@@ -0,0 +1,325 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# Shared/common mozharness configuration for Android unit tests.
+#
+# This configuration should be combined with platform-specific mozharness
+# configuration such as android-x86_64.py, android_hw, or similar.
+
+import os
+
+NODEJS_PATH = None
+if "MOZ_FETCHES_DIR" in os.environ:
+    NODEJS_PATH = os.path.join(os.environ["MOZ_FETCHES_DIR"], "node/bin/node")
+
+
+def WebglSuite(name):
+    return {
+        "run_filename": "runtestsremote.py",
+        "testsdir": "mochitest",
+        "options": [
+            "--app=%(app)s",
+            "--remote-webserver=%(remote_webserver)s",
+            "--xre-path=%(xre_path)s",
+            "--utility-path=%(utility_path)s",
+            "--http-port=%(http_port)s",
+            "--ssl-port=%(ssl_port)s",
+            "--certificate-path=%(certs_path)s",
+            "--symbols-path=%(symbols_path)s",
+            "--quiet",
+            "--log-errorsummary=%(error_summary_file)s",
+            "--log-tbpl-level=%(log_tbpl_level)s",
+            "--screenshot-on-fail",
+            "--subsuite=" + name,
+            "--deviceSerial=%(device_serial)s",
+        ],
+    }
+
+
+config = {
+    "default_actions": [
+        "clobber",
+        "download-and-extract",
+        "create-virtualenv",
+        "start-emulator",
+        "verify-device",
+        "install",
+        "run-tests",
+    ],
+    "tooltool_cache": os.environ.get("TOOLTOOL_CACHE"),
+    "hostutils_manifest_path": "testing/config/tooltool-manifests/linux64/hostutils.manifest",
+    # "log_format": "%(levelname)8s - %(message)s",
+    "log_tbpl_level": "info",
+    "log_raw_level": "info",
+    # To take device screenshots at timed intervals (each time in seconds, relative
+    # to the start of the run-tests step) specify screenshot_times. For example, to
+    # take 4 screenshots at one minute intervals you could specify:
+    # "screenshot_times": [60, 120, 180, 240],
+    "nodejs_path": NODEJS_PATH,
+    "suite_definitions": {
+        "mochitest-plain": {
+            "run_filename": "runtestsremote.py",
+            "testsdir": "mochitest",
+            "options": [
+                "--app=%(app)s",
+                "--remote-webserver=%(remote_webserver)s",
+                "--xre-path=%(xre_path)s",
+                "--utility-path=%(utility_path)s",
+                "--http-port=%(http_port)s",
+                "--ssl-port=%(ssl_port)s",
+                "--certificate-path=%(certs_path)s",
+                "--symbols-path=%(symbols_path)s",
+                "--quiet",
+                "--log-errorsummary=%(error_summary_file)s",
+                "--log-tbpl-level=%(log_tbpl_level)s",
+                "--extra-profile-file=fonts",
+                "--extra-profile-file=hyphenation",
+                "--screenshot-on-fail",
+                "--deviceSerial=%(device_serial)s",
+            ],
+        },
+        "mochitest-webgl1-core": WebglSuite("webgl1-core"),
+        "mochitest-webgl2-core": WebglSuite("webgl2-core"),
+        "mochitest-webgl1-ext": WebglSuite("webgl1-ext"),
+        "mochitest-webgl2-ext": WebglSuite("webgl2-ext"),
+        "mochitest-webgl2-deqp": WebglSuite("webgl2-deqp"),
+        "mochitest-webgpu": WebglSuite("webgpu"),
+        "mochitest-plain-gpu": {
+            "run_filename": "runtestsremote.py",
+            "testsdir": "mochitest",
+            "options": [
+                "--app=%(app)s",
+                "--remote-webserver=%(remote_webserver)s",
+                "--xre-path=%(xre_path)s",
+                "--utility-path=%(utility_path)s",
+                "--http-port=%(http_port)s",
+                "--ssl-port=%(ssl_port)s",
+                "--certificate-path=%(certs_path)s",
+                "--symbols-path=%(symbols_path)s",
+                "--quiet",
+                "--log-errorsummary=%(error_summary_file)s",
+                "--log-tbpl-level=%(log_tbpl_level)s",
+                "--screenshot-on-fail",
+                "--subsuite=gpu",
+                "--deviceSerial=%(device_serial)s",
+            ],
+        },
+        "mochitest-media": {
+            "run_filename": "runtestsremote.py",
+            "testsdir": "mochitest",
+            "options": [
+                "--app=%(app)s",
+                "--remote-webserver=%(remote_webserver)s",
+                "--xre-path=%(xre_path)s",
+                "--utility-path=%(utility_path)s",
+                "--http-port=%(http_port)s",
+                "--ssl-port=%(ssl_port)s",
+                "--certificate-path=%(certs_path)s",
+                "--symbols-path=%(symbols_path)s",
+                "--quiet",
+                "--log-errorsummary=%(error_summary_file)s",
+                "--log-tbpl-level=%(log_tbpl_level)s",
+                "--screenshot-on-fail",
+                "--chunk-by-runtime",
+                "--subsuite=media",
+                "--deviceSerial=%(device_serial)s",
+            ],
+        },
+        "reftest": {
+            "run_filename": "remotereftest.py",
+            "testsdir": "reftest",
+            "options": [
+                "--app=%(app)s",
+                "--ignore-window-size",
+                "--remote-webserver=%(remote_webserver)s",
+                "--xre-path=%(xre_path)s",
+                "--utility-path=%(utility_path)s",
+                "--http-port=%(http_port)s",
+                "--ssl-port=%(ssl_port)s",
+                "--httpd-path",
+                "%(modules_dir)s",
+                "--symbols-path=%(symbols_path)s",
+                "--extra-profile-file=fonts",
+                "--extra-profile-file=hyphenation",
+                "--suite=reftest",
+                "--log-errorsummary=%(error_summary_file)s",
+                "--log-tbpl-level=%(log_tbpl_level)s",
+                "--deviceSerial=%(device_serial)s",
+                "--topsrcdir=tests",
+            ],
+            "tests": [
+                "tests/layout/reftests/reftest.list",
+            ],
+        },
+        "reftest-qr": {
+            "run_filename": "remotereftest.py",
+            "testsdir": "reftest",
+            "options": [
+                "--app=%(app)s",
+                "--ignore-window-size",
+                "--remote-webserver=%(remote_webserver)s",
+                "--xre-path=%(xre_path)s",
+                "--utility-path=%(utility_path)s",
+                "--http-port=%(http_port)s",
+                "--ssl-port=%(ssl_port)s",
+                "--httpd-path",
+                "%(modules_dir)s",
+                "--symbols-path=%(symbols_path)s",
+                "--extra-profile-file=fonts",
+                "--extra-profile-file=hyphenation",
+                "--suite=reftest",
+                "--log-errorsummary=%(error_summary_file)s",
+                "--log-tbpl-level=%(log_tbpl_level)s",
+                "--deviceSerial=%(device_serial)s",
+                "--topsrcdir=tests",
+            ],
+            "tests": [
+                "tests/layout/reftests/reftest-qr.list",
+            ],
+        },
+        "crashtest": {
+            "run_filename": "remotereftest.py",
+            "testsdir": "reftest",
+            "options": [
+                "--app=%(app)s",
+                "--ignore-window-size",
+                "--remote-webserver=%(remote_webserver)s",
+                "--xre-path=%(xre_path)s",
+                "--utility-path=%(utility_path)s",
+                "--http-port=%(http_port)s",
+                "--ssl-port=%(ssl_port)s",
+                "--httpd-path",
+                "%(modules_dir)s",
+                "--symbols-path=%(symbols_path)s",
+                "--suite=crashtest",
+                "--log-errorsummary=%(error_summary_file)s",
+                "--log-tbpl-level=%(log_tbpl_level)s",
+                "--deviceSerial=%(device_serial)s",
+                "--topsrcdir=tests",
+            ],
+            "tests": [
+                "tests/testing/crashtest/crashtests.list",
+            ],
+        },
+        "crashtest-qr": {
+            "run_filename": "remotereftest.py",
+            "testsdir": "reftest",
+            "options": [
+                "--app=%(app)s",
+                "--ignore-window-size",
+                "--remote-webserver=%(remote_webserver)s",
+                "--xre-path=%(xre_path)s",
+                "--utility-path=%(utility_path)s",
+                "--http-port=%(http_port)s",
+                "--ssl-port=%(ssl_port)s",
+                "--httpd-path",
+                "%(modules_dir)s",
+                "--symbols-path=%(symbols_path)s",
+                "--suite=crashtest",
+                "--log-errorsummary=%(error_summary_file)s",
+                "--log-tbpl-level=%(log_tbpl_level)s",
+                "--deviceSerial=%(device_serial)s",
+                "--topsrcdir=tests",
+            ],
+            "tests": [
+                "tests/testing/crashtest/crashtests-qr.list",
+            ],
+        },
+        "jittest": {
+            "run_filename": "jit_test.py",
+            "testsdir": "jit-test/jit-test",
+            "options": [
+                "../../bin/js",
+                "--remote",
+                "-j",
+                "1",
+                "--localLib=../../bin",
+                "--no-slow",
+                "--no-progress",
+                "--format=automation",
+                "--jitflags=%(jittest_flags)s",
+                "--deviceSerial=%(device_serial)s",
+            ],
+        },
+        "jsreftest": {
+            "run_filename": "remotereftest.py",
+            "testsdir": "reftest",
+            "options": [
+                "--app=%(app)s",
+                "--ignore-window-size",
+                "--remote-webserver=%(remote_webserver)s",
+                "--xre-path=%(xre_path)s",
+                "--utility-path=%(utility_path)s",
+                "--http-port=%(http_port)s",
+                "--ssl-port=%(ssl_port)s",
+                "--httpd-path",
+                "%(modules_dir)s",
+                "--symbols-path=%(symbols_path)s",
+                "--extra-profile-file=jsreftest/tests/js/src/tests/user.js",
+                "--suite=jstestbrowser",
+                "--log-errorsummary=%(error_summary_file)s",
+                "--log-tbpl-level=%(log_tbpl_level)s",
+                "--deviceSerial=%(device_serial)s",
+                "--topsrcdir=../jsreftest/tests",
+            ],
+            "tests": [
+                "../jsreftest/tests/js/src/tests/jstests.list",
+            ],
+        },
+        "xpcshell": {
+            "run_filename": "remotexpcshelltests.py",
+            "testsdir": "xpcshell",
+            "options": [
+                "--xre-path=%(xre_path)s",
+                "--testing-modules-dir=%(modules_dir)s",
+                "--apk=%(installer_path)s",
+                "--no-logfiles",
+                "--symbols-path=%(symbols_path)s",
+                "--manifest=tests/xpcshell.toml",
+                "--log-errorsummary=%(error_summary_file)s",
+                "--log-tbpl-level=%(log_tbpl_level)s",
+                "--threads=4",
+                "--deviceSerial=%(device_serial)s",
+                "%(xpcshell_extra)s",
+            ],
+        },
+        "cppunittest": {
+            "run_filename": "remotecppunittests.py",
+            "testsdir": "cppunittest",
+            "install": False,
+            "options": [
+                "--symbols-path=%(symbols_path)s",
+                "--xre-path=%(xre_path)s",
+                "--localBinDir=../bin",
+                "--apk=%(installer_path)s",
+                ".",
+                "--deviceSerial=%(device_serial)s",
+                "--log-errorsummary=%(error_summary_file)s",
+            ],
+        },
+        "geckoview-junit": {
+            "run_filename": "runjunit.py",
+            "testsdir": "mochitest",
+            "options": [
+                "--certificate-path=%(certs_path)s",
+                "--remote-webserver=%(remote_webserver)s",
+                "--symbols-path=%(symbols_path)s",
+                "--utility-path=%(utility_path)s",
+                "--deviceSerial=%(device_serial)s",
+            ],
+        },
+        "gtest": {
+            "run_filename": "remotegtests.py",
+            "testsdir": "gtest",
+            "install": True,
+            "options": [
+                "--symbols-path=%(symbols_path)s",
+                "--tests-path=%(gtest_dir)s",
+                "--libxul=%(gtest_dir)s/gtest_bin/gtest/libxul.so",
+                "--package=%(app)s",
+                "--deviceSerial=%(device_serial)s",
+            ],
+        },
+    },  # end suite_definitions
+}
diff --git a/testing/mozharness/configs/android/android_hw.py b/testing/mozharness/configs/android/android_hw.py
new file mode 100644
index 0000000000..f88568b43b
--- /dev/null
+++ b/testing/mozharness/configs/android/android_hw.py
@@ -0,0 +1,28 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# mozharness configuration for Android hardware unit tests
+#
+# This configuration should be combined with suite definitions and other
+# mozharness configuration from android_common.py, or similar.
+
+config = {
+    "exes": {},
+    "env": {
+        "DISPLAY": ":0.0",
+        "PATH": "%(PATH)s",
+    },
+    "default_actions": [
+        "clobber",
+        "download-and-extract",
+        "create-virtualenv",
+        "verify-device",
+        "install",
+        "run-tests",
+    ],
+    "tooltool_cache": "/builds/tooltool_cache",
+    # from android_common.py
+    "download_tooltool": True,
+    "xpcshell_extra": "--remoteTestRoot=/data/local/tmp/test_root",
+}
diff --git a/testing/mozharness/configs/android/android_pgo.py b/testing/mozharness/configs/android/android_pgo.py
new file mode 100644
index 0000000000..4b9050184e
--- /dev/null
+++ b/testing/mozharness/configs/android/android_pgo.py
@@ -0,0 +1,19 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# Mozharness configuration for Android PGO.
+#
+# This configuration should be combined with platform-specific mozharness
+# configuration such as androidarm.py, or similar.
+
+config = {
+    "default_actions": [
+        "download",
+        "create-virtualenv",
+        "start-emulator",
+        "verify-device",
+        "install",
+        "run-tests",
+    ],
+}
diff --git a/testing/mozharness/configs/android/wrench.py b/testing/mozharness/configs/android/wrench.py
new file mode 100644
index 0000000000..6df1190131
--- /dev/null
+++ b/testing/mozharness/configs/android/wrench.py
@@ -0,0 +1,41 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# mozharness configuration for Android x86 7.0 wrench tests
+#
+# This configuration should be combined with suite definitions and other
+# mozharness configuration from android_common.py, or similar.
+
+config = {
+    "emulator_avd_name": "mozemulator-x86_64",
+    "emulator_process_name": "qemu-system-x86_64",
+    "emulator_extra_args": [
+        "-gpu",
+        "on",
+        "-skip-adb-auth",
+        "-verbose",
+        "-show-kernel",
+        "-ranchu",
+        "-selinux",
+        "permissive",
+        "-memory",
+        "3072",
+        "-cores",
+        "4",
+        "-skin",
+        "800x1280",
+        "-no-snapstorage",
+        "-no-snapshot",
+        # Skips first-run dialogs
+        "-prop",
+        "ro.test_harness=true",
+    ],
+    "exes": {
+        "adb": "%(abs_sdk_dir)s/platform-tools/adb",
+    },
+    "env": {
+        "DISPLAY": ":0.0",
+        "PATH": "%(PATH)s:%(abs_sdk_dir)s/emulator:%(abs_sdk_dir)s/tools:%(abs_sdk_dir)s/platform-tools",
+    },
+}
diff --git a/testing/mozharness/configs/awsy/linux_config.py b/testing/mozharness/configs/awsy/linux_config.py
new file mode 100644
index 0000000000..0786dfd286
--- /dev/null
+++ b/testing/mozharness/configs/awsy/linux_config.py
@@ -0,0 +1,30 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+PYTHON = "/usr/bin/env python"
+VENV_PATH = "%s/build/venv" % os.getcwd()
+ABS_WORK_DIR = os.path.join(os.getcwd(), "build")
+BINARY_PATH = os.path.join(ABS_WORK_DIR, "application", "firefox", "firefox-bin")
+INSTALLER_PATH = os.path.join(ABS_WORK_DIR, "installer.tar.bz2")
+
+config = {
+    "log_name": "awsy",
+    "binary_path": BINARY_PATH,
+    "installer_path": INSTALLER_PATH,
+    "virtualenv_path": VENV_PATH,
+    "cmd_timeout": 6500,
+    "exes": {},
+    "title": os.uname()[1].lower().split(".")[0],
+    "default_actions": [
+        "clobber",
+        "download-and-extract",
+        "populate-webroot",
+        "create-virtualenv",
+        "install",
+        "run-tests",
+    ],
+    "tooltool_cache": os.path.join(os.getcwd(), "tooltool_cache"),
+}
diff --git a/testing/mozharness/configs/awsy/macosx_config.py b/testing/mozharness/configs/awsy/macosx_config.py
new file mode 100644
index 0000000000..f765d0e3f9
--- /dev/null
+++ b/testing/mozharness/configs/awsy/macosx_config.py
@@ -0,0 +1,28 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+PYTHON = "/usr/bin/env python"
+VENV_PATH = "%s/build/venv" % os.getcwd()
+ABS_WORK_DIR = os.path.join(os.getcwd(), "build")
+INSTALLER_PATH = os.path.join(ABS_WORK_DIR, "installer.dmg")
+
+config = {
+    "log_name": "awsy",
+    "installer_path": INSTALLER_PATH,
+    "virtualenv_path": VENV_PATH,
+    "cmd_timeout": 6500,
+    "exes": {},
+    "title": os.uname()[1].lower().split(".")[0],
+    "default_actions": [
+        "clobber",
+        "download-and-extract",
+        "populate-webroot",
+        "create-virtualenv",
+        "install",
+        "run-tests",
+    ],
+    "tooltool_cache": os.path.join(os.getcwd(), "tooltool_cache"),
+}
diff --git a/testing/mozharness/configs/awsy/taskcluster_windows_config.py b/testing/mozharness/configs/awsy/taskcluster_windows_config.py
new file mode 100644
index 0000000000..7d69594f67
--- /dev/null
+++ b/testing/mozharness/configs/awsy/taskcluster_windows_config.py
@@ -0,0 +1,30 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+import sys
+
+import mozharness
+
+external_tools_path = os.path.join(
+    os.path.abspath(os.path.dirname(os.path.dirname(mozharness.__file__))),
+    "external_tools",
+)
+
+config = {
+    "virtualenv_path": "venv",
+    "exes": {
+        "python": sys.executable,
+        "hg": os.path.join(os.environ["PROGRAMFILES"], "Mercurial", "hg"),
+    },
+    "download_symbols": "ondemand",
+    "default_actions": [
+        "clobber",
+        "download-and-extract",
+        "populate-webroot",
+        "create-virtualenv",
+        "install",
+        "run-tests",
+    ],
+}
diff --git a/testing/mozharness/configs/balrog/production.py b/testing/mozharness/configs/balrog/production.py
new file mode 100644
index 0000000000..fbbdf53e0e
--- /dev/null
+++ b/testing/mozharness/configs/balrog/production.py
@@ -0,0 +1,35 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "balrog_servers": [
+        {
+            "balrog_api_root": "https://aus4-admin.mozilla.org/api",
+            "ignore_failures": False,
+            "url_replacements": [
+                (
+                    "http://archive.mozilla.org/pub",
+                    "http://download.cdn.mozilla.net/pub",
+                ),
+            ],
+            "balrog_usernames": {
+                "firefox": "balrog-ffxbld",
+                "thunderbird": "balrog-tbirdbld",
+                "mobile": "balrog-ffxbld",
+                "Fennec": "balrog-ffxbld",
+            },
+        },
+        # Bug 1261346 - temporarily disable staging balrog submissions
+        # {
+        #     'balrog_api_root': 'https://aus4-admin-dev.allizom.org/api',
+        #     'ignore_failures': True,
+        #     'balrog_usernames': {
+        #         'firefox': 'stage-ffxbld',
+        #         'thunderbird': 'stage-tbirdbld',
+        #         'mobile': 'stage-ffxbld',
+        #         'Fennec': 'stage-ffxbld',
+        #     }
+        # }
+    ]
+}
diff --git a/testing/mozharness/configs/balrog/staging.py b/testing/mozharness/configs/balrog/staging.py
new file mode 100644
index 0000000000..7329a4d128
--- /dev/null
+++ b/testing/mozharness/configs/balrog/staging.py
@@ -0,0 +1,18 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "balrog_servers": [
+        {
+            "balrog_api_root": "https://balrog-admin.stage.mozaws.net/api",
+            "ignore_failures": False,
+            "balrog_usernames": {
+                "firefox": "balrog-stage-ffxbld",
+                "thunderbird": "balrog-stage-tbirdbld",
+                "mobile": "balrog-stage-ffxbld",
+                "Fennec": "balrog-stage-ffxbld",
+            },
+        }
+    ]
+}
diff --git a/testing/mozharness/configs/builds/build_pool_specifics.py b/testing/mozharness/configs/builds/build_pool_specifics.py
new file mode 100644
index 0000000000..837060b649
--- /dev/null
+++ b/testing/mozharness/configs/builds/build_pool_specifics.py
@@ -0,0 +1,14 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# this is a dict of pool specific keys/values. As this fills up and more
+# fx build factories are ported, we might deal with this differently
+
+config = {
+    "taskcluster": {
+        "upload_env": {
+            "UPLOAD_PATH": "/builds/worker/artifacts",
+        },
+    },
+}
diff --git a/testing/mozharness/configs/builds/releng_base_android_64_builds.py b/testing/mozharness/configs/builds/releng_base_android_64_builds.py
new file mode 100644
index 0000000000..c937819d85
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_base_android_64_builds.py
@@ -0,0 +1,57 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    #########################################################################
+    ######## ANDROID GENERIC CONFIG KEYS/VAlUES
+    # note: overridden by MOZHARNESS_ACTIONS in TaskCluster tasks
+    "default_actions": [
+        "build",
+        "multi-l10n",
+    ],
+    "secret_files": [
+        {
+            "filename": "/builds/gls-gapi.data",
+            "secret_name": "project/releng/gecko/build/level-%(scm-level)s/gls-gapi.data",
+            "min_scm_level": 1,
+        },
+        {
+            "filename": "/builds/sb-gapi.data",
+            "secret_name": "project/releng/gecko/build/level-%(scm-level)s/sb-gapi.data",
+            "min_scm_level": 1,
+        },
+        {
+            "filename": "/builds/mozilla-fennec-geoloc-api.key",
+            "secret_name": "project/releng/gecko/build/level-%(scm-level)s/mozilla-fennec-geoloc-api.key",
+            "min_scm_level": 2,
+            "default": "try-build-has-no-secrets",
+        },
+    ],
+    "vcs_share_base": "/builds/hg-shared",
+    "multi_locale": True,
+    #########################################################################
+    #########################################################################
+    "platform": "android",
+    "stage_platform": "android",
+    "enable_max_vsize": False,
+    "env": {
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "DISPLAY": ":2",
+        "HG_SHARE_BASE_DIR": "/builds/hg-shared",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "TINDERBOX_OUTPUT": "1",
+        "TOOLTOOL_CACHE": "/builds/worker/tooltool-cache",
+        "TOOLTOOL_HOME": "/builds",
+        "LC_ALL": "C",
+        "PATH": "/usr/local/bin:/bin:/usr/bin",
+        "SHIP_LICENSED_FONTS": "1",
+    },
+    "src_mozconfig": "mobile/android/config/mozconfigs/android/nightly",
+    # Bug 1583594: GeckoView doesn't (yet) produce have a package file
+    # from which to extract package metrics.
+    "disable_package_metrics": True,
+    #########################################################################
+}
diff --git a/testing/mozharness/configs/builds/releng_base_firefox.py b/testing/mozharness/configs/builds/releng_base_firefox.py
new file mode 100644
index 0000000000..b634aff677
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_base_firefox.py
@@ -0,0 +1,7 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "app_name": "browser",
+}
diff --git a/testing/mozharness/configs/builds/releng_base_linux_32_builds.py b/testing/mozharness/configs/builds/releng_base_linux_32_builds.py
new file mode 100644
index 0000000000..03c333a5f9
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_base_linux_32_builds.py
@@ -0,0 +1,60 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    #########################################################################
+    ######## LINUX GENERIC CONFIG KEYS/VAlUES
+    # if you are updating this with custom 32 bit keys/values please add them
+    # below under the '32 bit specific' code block otherwise, update in this
+    # code block and also make sure this is synced with
+    # releng_base_linux_64_builds.py
+    # note: overridden by MOZHARNESS_ACTIONS in TaskCluster tasks
+    "default_actions": [
+        "clobber",
+        "build",
+    ],
+    "secret_files": [
+        {
+            "filename": "/builds/gls-gapi.data",
+            "secret_name": "project/releng/gecko/build/level-%(scm-level)s/gls-gapi.data",
+            "min_scm_level": 1,
+        },
+        {
+            "filename": "/builds/sb-gapi.data",
+            "secret_name": "project/releng/gecko/build/level-%(scm-level)s/sb-gapi.data",
+            "min_scm_level": 1,
+        },
+        {
+            "filename": "/builds/mozilla-desktop-geoloc-api.key",
+            "secret_name": "project/releng/gecko/build/level-%(scm-level)s/mozilla-desktop-geoloc-api.key",
+            "min_scm_level": 2,
+            "default": "try-build-has-no-secrets",
+        },
+    ],
+    "vcs_share_base": "/builds/hg-shared",
+    #########################################################################
+    #########################################################################
+    ###### 32 bit specific ######
+    "platform": "linux",
+    "stage_platform": "linux",
+    "env": {
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "DISPLAY": ":2",
+        "HG_SHARE_BASE_DIR": "/builds/hg-shared",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "TINDERBOX_OUTPUT": "1",
+        "TOOLTOOL_CACHE": "/builds/worker/tooltool-cache",
+        "TOOLTOOL_HOME": "/builds",
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "LC_ALL": "C",
+        # 32 bit specific
+        "PATH": "/usr/local/bin:\
+/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/sbin",
+    },
+    "mozconfig_platform": "linux32",
+    "mozconfig_variant": "nightly",
+    #########################################################################
+}
diff --git a/testing/mozharness/configs/builds/releng_base_linux_64_builds.py b/testing/mozharness/configs/builds/releng_base_linux_64_builds.py
new file mode 100644
index 0000000000..8904c9ca9e
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_base_linux_64_builds.py
@@ -0,0 +1,59 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    #########################################################################
+    ######## LINUX GENERIC CONFIG KEYS/VAlUES
+    # if you are updating this with custom 64 bit keys/values please add them
+    # below under the '64 bit specific' code block otherwise, update in this
+    # code block and also make sure this is synced with
+    # releng_base_linux_64_builds.py
+    "default_actions": [
+        "clobber",
+        "build",
+    ],
+    "secret_files": [
+        {
+            "filename": "/builds/gls-gapi.data",
+            "secret_name": "project/releng/gecko/build/level-%(scm-level)s/gls-gapi.data",
+            "min_scm_level": 1,
+        },
+        {
+            "filename": "/builds/sb-gapi.data",
+            "secret_name": "project/releng/gecko/build/level-%(scm-level)s/sb-gapi.data",
+            "min_scm_level": 1,
+        },
+        {
+            "filename": "/builds/mozilla-desktop-geoloc-api.key",
+            "secret_name": "project/releng/gecko/build/level-%(scm-level)s/mozilla-desktop-geoloc-api.key",
+            "min_scm_level": 2,
+            "default": "try-build-has-no-secrets",
+        },
+    ],
+    "vcs_share_base": "/builds/hg-shared",
+    #########################################################################
+    #########################################################################
+    ###### 64 bit specific ######
+    "platform": "linux64",
+    "stage_platform": "linux64",
+    "env": {
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "DISPLAY": ":2",
+        "HG_SHARE_BASE_DIR": "/builds/hg-shared",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "TINDERBOX_OUTPUT": "1",
+        "TOOLTOOL_CACHE": "/builds/worker/tooltool-cache",
+        "TOOLTOOL_HOME": "/builds",
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "LC_ALL": "C",
+        ## 64 bit specific
+        "PATH": "/usr/local/bin:/bin:" "/usr/bin:/usr/local/sbin:/usr/sbin:" "/sbin"
+        ##
+    },
+    "mozconfig_platform": "linux64",
+    "mozconfig_variant": "nightly",
+    #########################################################################
+}
diff --git a/testing/mozharness/configs/builds/releng_base_mac_64_cross_builds.py b/testing/mozharness/configs/builds/releng_base_mac_64_cross_builds.py
new file mode 100644
index 0000000000..fbbddf1c3d
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_base_mac_64_cross_builds.py
@@ -0,0 +1,55 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    #########################################################################
+    ######## MACOSX CROSS GENERIC CONFIG KEYS/VAlUES
+    # note: overridden by MOZHARNESS_ACTIONS in TaskCluster tasks
+    "default_actions": [
+        "build",
+    ],
+    "secret_files": [
+        {
+            "filename": "/builds/gls-gapi.data",
+            "secret_name": "project/releng/gecko/build/level-%(scm-level)s/gls-gapi.data",
+            "min_scm_level": 1,
+        },
+        {
+            "filename": "/builds/sb-gapi.data",
+            "secret_name": "project/releng/gecko/build/level-%(scm-level)s/sb-gapi.data",
+            "min_scm_level": 1,
+        },
+        {
+            "filename": "/builds/mozilla-desktop-geoloc-api.key",
+            "secret_name": "project/releng/gecko/build/level-%(scm-level)s/mozilla-desktop-geoloc-api.key",
+            "min_scm_level": 2,
+            "default": "try-build-has-no-secrets",
+        },
+    ],
+    "enable_check_test": False,
+    "vcs_share_base": "/builds/hg-shared",
+    #########################################################################
+    #########################################################################
+    ###### 64 bit specific ######
+    "platform": "macosx64",
+    "stage_platform": "macosx64",
+    "env": {
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "HG_SHARE_BASE_DIR": "/builds/hg-shared",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "TINDERBOX_OUTPUT": "1",
+        "TOOLTOOL_CACHE": "/builds/worker/tooltool-cache",
+        "TOOLTOOL_HOME": "/builds",
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "LC_ALL": "C",
+        ## 64 bit specific
+        "PATH": "/usr/local/bin:/bin:" "/usr/bin:/usr/local/sbin:/usr/sbin:/sbin"
+        ##
+    },
+    "mozconfig_platform": "macosx64",
+    "mozconfig_variant": "nightly",
+    #########################################################################
+}
diff --git a/testing/mozharness/configs/builds/releng_base_windows_32_mingw_builds.py b/testing/mozharness/configs/builds/releng_base_windows_32_mingw_builds.py
new file mode 100644
index 0000000000..0c1ede6454
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_base_windows_32_mingw_builds.py
@@ -0,0 +1,53 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    #########################################################################
+    ######## LINUX GENERIC CONFIG KEYS/VAlUES
+    # if you are updating this with custom 32 bit keys/values please add them
+    # below under the '32 bit specific' code block otherwise, update in this
+    # code block and also make sure this is synced with
+    # releng_base_linux_64_builds.py
+    "secret_files": [
+        {
+            "filename": "/builds/gls-gapi.data",
+            "secret_name": "project/releng/gecko/build/level-%(scm-level)s/gls-gapi.data",
+            "min_scm_level": 1,
+        },
+        {
+            "filename": "/builds/sb-gapi.data",
+            "secret_name": "project/releng/gecko/build/level-%(scm-level)s/sb-gapi.data",
+            "min_scm_level": 1,
+        },
+        {
+            "filename": "/builds/mozilla-desktop-geoloc-api.key",
+            "secret_name": "project/releng/gecko/build/level-%(scm-level)s/mozilla-desktop-geoloc-api.key",
+            "min_scm_level": 2,
+            "default": "try-build-has-no-secrets",
+        },
+    ],
+    "vcs_share_base": "/builds/hg-shared",
+    #########################################################################
+    #########################################################################
+    ###### 32 bit specific ######
+    "platform": "win32-mingw32",
+    "stage_platform": "win32-mingw32",
+    "env": {
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "DISPLAY": ":2",
+        "HG_SHARE_BASE_DIR": "/builds/hg-shared",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "TINDERBOX_OUTPUT": "1",
+        "TOOLTOOL_CACHE": "/builds/worker/tooltool-cache",
+        "TOOLTOOL_HOME": "/builds",
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "LC_ALL": "C",
+        # 32 bit specific
+        "PATH": "/usr/local/bin:/bin:/usr/bin",
+    },
+    "mozconfig_platform": "win32",
+    #########################################################################
+}
diff --git a/testing/mozharness/configs/builds/releng_base_windows_64_mingw_builds.py b/testing/mozharness/configs/builds/releng_base_windows_64_mingw_builds.py
new file mode 100644
index 0000000000..3019dec3c9
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_base_windows_64_mingw_builds.py
@@ -0,0 +1,54 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    #########################################################################
+    ######## LINUX GENERIC CONFIG KEYS/VAlUES
+    # if you are updating this with custom 32 bit keys/values please add them
+    # below under the '32 bit specific' code block otherwise, update in this
+    # code block and also make sure this is synced with
+    # releng_base_linux_64_builds.py
+    "secret_files": [
+        {
+            "filename": "/builds/gls-gapi.data",
+            "secret_name": "project/releng/gecko/build/level-%(scm-level)s/gls-gapi.data",
+            "min_scm_level": 1,
+        },
+        {
+            "filename": "/builds/sb-gapi.data",
+            "secret_name": "project/releng/gecko/build/level-%(scm-level)s/sb-gapi.data",
+            "min_scm_level": 1,
+        },
+        {
+            "filename": "/builds/mozilla-desktop-geoloc-api.key",
+            "secret_name": "project/releng/gecko/build/level-%(scm-level)s/mozilla-desktop-geoloc-api.key",
+            "min_scm_level": 2,
+            "default": "try-build-has-no-secrets",
+        },
+    ],
+    "vcs_share_base": "/builds/hg-shared",
+    #########################################################################
+    #########################################################################
+    ###### 64 bit specific ######
+    "platform": "win64-mingw32",
+    "stage_platform": "win64-mingw32",
+    "env": {
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "DISPLAY": ":2",
+        "HG_SHARE_BASE_DIR": "/builds/hg-shared",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "TINDERBOX_OUTPUT": "1",
+        "TOOLTOOL_CACHE": "/builds/worker/tooltool-cache",
+        "TOOLTOOL_HOME": "/builds",
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "LC_ALL": "C",
+        # 32 bit specific
+        "PATH": "/usr/local/bin:/bin:/usr/bin",
+    },
+    "mozconfig_platform": "win64",
+    "mozconfig_variant": "mingw32",
+    #########################################################################
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_android_configs/64_aarch64.py b/testing/mozharness/configs/builds/releng_sub_android_configs/64_aarch64.py
new file mode 100644
index 0000000000..77879cae1b
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_android_configs/64_aarch64.py
@@ -0,0 +1,8 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "android-aarch64",
+    "src_mozconfig": "mobile/android/config/mozconfigs/android-aarch64/nightly",
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_android_configs/64_aarch64_beta.py b/testing/mozharness/configs/builds/releng_sub_android_configs/64_aarch64_beta.py
new file mode 100644
index 0000000000..e340422568
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_android_configs/64_aarch64_beta.py
@@ -0,0 +1,8 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "android-aarch64",
+    "src_mozconfig": "mobile/android/config/mozconfigs/android-aarch64/beta",
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_android_configs/64_aarch64_beta_debug.py b/testing/mozharness/configs/builds/releng_sub_android_configs/64_aarch64_beta_debug.py
new file mode 100644
index 0000000000..42462096cc
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_android_configs/64_aarch64_beta_debug.py
@@ -0,0 +1,9 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "android-aarch64-debug",
+    "src_mozconfig": "mobile/android/config/mozconfigs/android-aarch64/debug-beta",
+    "debug_build": True,
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_android_configs/64_aarch64_debug.py b/testing/mozharness/configs/builds/releng_sub_android_configs/64_aarch64_debug.py
new file mode 100644
index 0000000000..21ccc11cf8
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_android_configs/64_aarch64_debug.py
@@ -0,0 +1,9 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "android-aarch64-debug",
+    "src_mozconfig": "mobile/android/config/mozconfigs/android-aarch64/debug",
+    "debug_build": True,
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_android_configs/64_aarch64_debug_lite.py b/testing/mozharness/configs/builds/releng_sub_android_configs/64_aarch64_debug_lite.py
new file mode 100644
index 0000000000..6e3471c4f7
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_android_configs/64_aarch64_debug_lite.py
@@ -0,0 +1,9 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "android-aarch64-lite-debug",
+    "src_mozconfig": "mobile/android/config/mozconfigs/android-aarch64/debug-lite",
+    "debug_build": True,
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_android_configs/64_aarch64_lite.py b/testing/mozharness/configs/builds/releng_sub_android_configs/64_aarch64_lite.py
new file mode 100644
index 0000000000..5e10364f01
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_android_configs/64_aarch64_lite.py
@@ -0,0 +1,8 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "android-aarch64-lite",
+    "src_mozconfig": "mobile/android/config/mozconfigs/android-aarch64/nightly-lite",
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_android_configs/64_aarch64_profile_generate.py b/testing/mozharness/configs/builds/releng_sub_android_configs/64_aarch64_profile_generate.py
new file mode 100644
index 0000000000..9dae6f4344
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_android_configs/64_aarch64_profile_generate.py
@@ -0,0 +1,8 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "android-aarch64",
+    "src_mozconfig": "mobile/android/config/mozconfigs/android-aarch64/profile-generate",
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_android_configs/64_arm.py b/testing/mozharness/configs/builds/releng_sub_android_configs/64_arm.py
new file mode 100644
index 0000000000..cbe75b6f0f
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_android_configs/64_arm.py
@@ -0,0 +1,8 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "android-arm",
+    "src_mozconfig": "mobile/android/config/mozconfigs/android-arm/nightly",
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_android_configs/64_arm_beta.py b/testing/mozharness/configs/builds/releng_sub_android_configs/64_arm_beta.py
new file mode 100644
index 0000000000..d611be21f1
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_android_configs/64_arm_beta.py
@@ -0,0 +1,8 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "android-arm",
+    "src_mozconfig": "mobile/android/config/mozconfigs/android-arm/beta",
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_android_configs/64_arm_beta_debug.py b/testing/mozharness/configs/builds/releng_sub_android_configs/64_arm_beta_debug.py
new file mode 100644
index 0000000000..7df4c699f1
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_android_configs/64_arm_beta_debug.py
@@ -0,0 +1,9 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "android-arm-debug",
+    "src_mozconfig": "mobile/android/config/mozconfigs/android-arm/debug-beta",
+    "debug_build": True,
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_android_configs/64_arm_debug.py b/testing/mozharness/configs/builds/releng_sub_android_configs/64_arm_debug.py
new file mode 100644
index 0000000000..f0651edbf8
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_android_configs/64_arm_debug.py
@@ -0,0 +1,9 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "android-arm-debug",
+    "src_mozconfig": "mobile/android/config/mozconfigs/android-arm/debug",
+    "debug_build": True,
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_android_configs/64_arm_debug_ccov.py b/testing/mozharness/configs/builds/releng_sub_android_configs/64_arm_debug_ccov.py
new file mode 100644
index 0000000000..c41aeebaa4
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_android_configs/64_arm_debug_ccov.py
@@ -0,0 +1,15 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "android-arm-debug-ccov",
+    "src_mozconfig": "mobile/android/config/mozconfigs/android-arm/debug-ccov",
+    "debug_build": True,
+    "postflight_build_mach_commands": [
+        [
+            "android",
+            "archive-coverage-artifacts",
+        ],
+    ],
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_android_configs/64_arm_debug_lite.py b/testing/mozharness/configs/builds/releng_sub_android_configs/64_arm_debug_lite.py
new file mode 100644
index 0000000000..b6541a4f8e
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_android_configs/64_arm_debug_lite.py
@@ -0,0 +1,9 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "android-arm-lite-debug",
+    "src_mozconfig": "mobile/android/config/mozconfigs/android-arm/debug-lite",
+    "debug_build": True,
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_android_configs/64_arm_debug_searchfox.py b/testing/mozharness/configs/builds/releng_sub_android_configs/64_arm_debug_searchfox.py
new file mode 100644
index 0000000000..6f5b8b7d5c
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_android_configs/64_arm_debug_searchfox.py
@@ -0,0 +1,9 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "android-arm-debug",
+    "src_mozconfig": "mobile/android/config/mozconfigs/android-arm/debug-searchfox",
+    "debug_build": True,
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_android_configs/64_arm_gradle_dependencies.py b/testing/mozharness/configs/builds/releng_sub_android_configs/64_arm_gradle_dependencies.py
new file mode 100644
index 0000000000..6d6cce7626
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_android_configs/64_arm_gradle_dependencies.py
@@ -0,0 +1,15 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "android-arm-gradle-dependencies",
+    "src_mozconfig": "mobile/android/config/mozconfigs/android-arm-gradle-dependencies/nightly",
+    # gradle-dependencies doesn't produce a package. So don't collect package metrics.
+    "postflight_build_mach_commands": [
+        [
+            "android",
+            "gradle-dependencies",
+        ],
+    ],
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_android_configs/64_arm_lite.py b/testing/mozharness/configs/builds/releng_sub_android_configs/64_arm_lite.py
new file mode 100644
index 0000000000..65d9c3ba4d
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_android_configs/64_arm_lite.py
@@ -0,0 +1,8 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "android-arm-lite",
+    "src_mozconfig": "mobile/android/config/mozconfigs/android-arm/nightly-lite",
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_android_configs/64_arm_partner_sample1.py b/testing/mozharness/configs/builds/releng_sub_android_configs/64_arm_partner_sample1.py
new file mode 100644
index 0000000000..6ddace34da
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_android_configs/64_arm_partner_sample1.py
@@ -0,0 +1,10 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "android-arm-partner-sample1",
+    "src_mozconfig": None,  # use manifest to determine mozconfig src
+    "src_mozconfig_manifest": "partner/mozconfigs/mozconfig1.json",
+    "tooltool_manifest_src": "mobile/android/config/tooltool-manifests/android/releng.manifest",
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_android_configs/64_arm_partner_sample1_lite.py b/testing/mozharness/configs/builds/releng_sub_android_configs/64_arm_partner_sample1_lite.py
new file mode 100644
index 0000000000..535ebca2da
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_android_configs/64_arm_partner_sample1_lite.py
@@ -0,0 +1,10 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "android-arm-partner-sample1-lite",
+    "src_mozconfig": None,  # use manifest to determine mozconfig src
+    "src_mozconfig_manifest": "partner/mozconfigs/mozconfig1.json",
+    "tooltool_manifest_src": "mobile/android/config/tooltool-manifests/android/releng.manifest",
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_android_configs/64_arm_profile_generate_lite.py b/testing/mozharness/configs/builds/releng_sub_android_configs/64_arm_profile_generate_lite.py
new file mode 100644
index 0000000000..04a85025cd
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_android_configs/64_arm_profile_generate_lite.py
@@ -0,0 +1,8 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "android-arm-lite",
+    "src_mozconfig": "mobile/android/config/mozconfigs/android-arm/profile-generate-lite",
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_android_configs/64_fuzzing_asan_tc.py b/testing/mozharness/configs/builds/releng_sub_android_configs/64_fuzzing_asan_tc.py
new file mode 100644
index 0000000000..1095c18c68
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_android_configs/64_fuzzing_asan_tc.py
@@ -0,0 +1,8 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "android-x86_64-asan-fuzzing",
+    "src_mozconfig": "mobile/android/config/mozconfigs/android-x86_64/nightly-fuzzing-asan",
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_android_configs/64_fuzzing_debug.py b/testing/mozharness/configs/builds/releng_sub_android_configs/64_fuzzing_debug.py
new file mode 100644
index 0000000000..dc98ba0244
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_android_configs/64_fuzzing_debug.py
@@ -0,0 +1,9 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "android-x86_64-fuzzing-debug",
+    "src_mozconfig": "mobile/android/config/mozconfigs/android-x86_64/debug-fuzzing",
+    "debug_build": True,
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_android_configs/64_geckoview_docs.py b/testing/mozharness/configs/builds/releng_sub_android_configs/64_geckoview_docs.py
new file mode 100644
index 0000000000..784d289f9e
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_android_configs/64_geckoview_docs.py
@@ -0,0 +1,25 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "android-geckoview-docs",
+    "src_mozconfig": "mobile/android/config/mozconfigs/android-arm/nightly-android-lints",
+    # geckoview-docs doesn't produce a package. So don't collect package metrics.
+    "disable_package_metrics": True,
+    "postflight_build_mach_commands": [
+        [
+            "android",
+            "geckoview-docs",
+            "--archive",
+            "--upload",
+            "mozilla/geckoview",
+            "--upload-branch",
+            "gh-pages",
+            "--javadoc-path",
+            "javadoc/{project}",
+            "--upload-message",
+            "Update {project} documentation to rev {revision}",
+        ],
+    ],
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86.py b/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86.py
new file mode 100644
index 0000000000..01fda10b32
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86.py
@@ -0,0 +1,8 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "android-x86",
+    "src_mozconfig": "mobile/android/config/mozconfigs/android-x86/nightly",
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86_64.py b/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86_64.py
new file mode 100644
index 0000000000..839779f71f
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86_64.py
@@ -0,0 +1,8 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "android-x86_64",
+    "src_mozconfig": "mobile/android/config/mozconfigs/android-x86_64/nightly",
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86_64_beta.py b/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86_64_beta.py
new file mode 100644
index 0000000000..838c76ec70
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86_64_beta.py
@@ -0,0 +1,8 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "android-x86_64",
+    "src_mozconfig": "mobile/android/config/mozconfigs/android-x86_64/beta",
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86_64_beta_debug.py b/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86_64_beta_debug.py
new file mode 100644
index 0000000000..4a345506b5
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86_64_beta_debug.py
@@ -0,0 +1,9 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "android-x86_64-debug",
+    "src_mozconfig": "mobile/android/config/mozconfigs/android-x86_64/debug-beta",
+    "debug_build": True,
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86_64_debug.py b/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86_64_debug.py
new file mode 100644
index 0000000000..3cc64c7257
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86_64_debug.py
@@ -0,0 +1,9 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "android-x86_64-debug",
+    "src_mozconfig": "mobile/android/config/mozconfigs/android-x86_64/debug",
+    "debug_build": True,
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86_64_debug_isolated_process.py b/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86_64_debug_isolated_process.py
new file mode 100644
index 0000000000..a026eb71c0
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86_64_debug_isolated_process.py
@@ -0,0 +1,9 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "android-x86_64-debug",
+    "src_mozconfig": "mobile/android/config/mozconfigs/android-x86_64/debug-isolated-process",
+    "debug_build": True,
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86_64_debug_lite.py b/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86_64_debug_lite.py
new file mode 100644
index 0000000000..e3dd2a72f7
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86_64_debug_lite.py
@@ -0,0 +1,9 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "android-x86_64-lite-debug",
+    "src_mozconfig": "mobile/android/config/mozconfigs/android-x86_64/debug-lite",
+    "debug_build": True,
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86_64_lite.py b/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86_64_lite.py
new file mode 100644
index 0000000000..2764ed2a16
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86_64_lite.py
@@ -0,0 +1,8 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "android-x86_64-lite",
+    "src_mozconfig": "mobile/android/config/mozconfigs/android-x86_64/nightly-lite",
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86_64_profile_generate.py b/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86_64_profile_generate.py
new file mode 100644
index 0000000000..9358021723
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86_64_profile_generate.py
@@ -0,0 +1,8 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "android-x86_64",
+    "src_mozconfig": "mobile/android/config/mozconfigs/android-x86_64/profile-generate",
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86_beta.py b/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86_beta.py
new file mode 100644
index 0000000000..1bf5078885
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86_beta.py
@@ -0,0 +1,8 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "android-x86",
+    "src_mozconfig": "mobile/android/config/mozconfigs/android-x86/beta",
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86_beta_debug.py b/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86_beta_debug.py
new file mode 100644
index 0000000000..50cb83c454
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86_beta_debug.py
@@ -0,0 +1,9 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "android-x86-debug",
+    "src_mozconfig": "mobile/android/config/mozconfigs/android-x86/debug-beta",
+    "debug_build": True,
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86_debug.py b/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86_debug.py
new file mode 100644
index 0000000000..eaa4c09ed0
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86_debug.py
@@ -0,0 +1,9 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "android-x86-debug",
+    "src_mozconfig": "mobile/android/config/mozconfigs/android-x86/debug",
+    "debug_build": True,
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86_debug_lite.py b/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86_debug_lite.py
new file mode 100644
index 0000000000..ce49ad8e1d
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86_debug_lite.py
@@ -0,0 +1,9 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "android-x86-lite-debug",
+    "src_mozconfig": "mobile/android/config/mozconfigs/android-x86/debug-lite",
+    "debug_build": True,
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86_lite.py b/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86_lite.py
new file mode 100644
index 0000000000..1dba75afe0
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86_lite.py
@@ -0,0 +1,8 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "android-x86-lite",
+    "src_mozconfig": "mobile/android/config/mozconfigs/android-x86/nightly-lite",
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86_profile_generate.py b/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86_profile_generate.py
new file mode 100644
index 0000000000..08ce1529c3
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_android_configs/64_x86_profile_generate.py
@@ -0,0 +1,8 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "android-x86",
+    "src_mozconfig": "mobile/android/config/mozconfigs/android-x86/profile-generate",
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_linux_configs/32_debug.py b/testing/mozharness/configs/builds/releng_sub_linux_configs/32_debug.py
new file mode 100644
index 0000000000..ea0a6d17b0
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_linux_configs/32_debug.py
@@ -0,0 +1,26 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "debug_build": True,
+    "stage_platform": "linux-debug",
+    #### 32 bit build specific #####
+    "env": {
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "DISPLAY": ":2",
+        "HG_SHARE_BASE_DIR": "/builds/hg-shared",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "LC_ALL": "C",
+        # 32 bit specific
+        "PATH": "/usr/local/bin:/bin:\
+/usr/bin:/usr/local/sbin:/usr/sbin:/sbin:",
+        "LD_LIBRARY_PATH": "%(abs_obj_dir)s/dist/bin",
+        "XPCOM_DEBUG_BREAK": "stack-and-abort",
+        "TINDERBOX_OUTPUT": "1",
+    },
+    #######################
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_linux_configs/32_fuzzing_asan_tc.py b/testing/mozharness/configs/builds/releng_sub_linux_configs/32_fuzzing_asan_tc.py
new file mode 100644
index 0000000000..6b288ccc0a
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_linux_configs/32_fuzzing_asan_tc.py
@@ -0,0 +1,27 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "stage_platform": "linux32-fuzzing-asan",
+    #### 32 bit build specific #####
+    "env": {
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "MOZ_AUTOMATION": "1",
+        "DISPLAY": ":2",
+        "HG_SHARE_BASE_DIR": "/builds/hg-shared",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "TINDERBOX_OUTPUT": "1",
+        "TOOLTOOL_CACHE": "/builds/tooltool_cache",
+        "TOOLTOOL_HOME": "/builds",
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "LC_ALL": "C",
+        "ASAN_OPTIONS": "detect_leaks=0",
+        ## 32 bit specific
+        "PATH": "/usr/local/bin:/bin:\
+/usr/bin:/usr/local/sbin:/usr/sbin:/sbin",
+    },
+    #######################
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_linux_configs/32_fuzzing_debug.py b/testing/mozharness/configs/builds/releng_sub_linux_configs/32_fuzzing_debug.py
new file mode 100644
index 0000000000..41fe4cddcf
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_linux_configs/32_fuzzing_debug.py
@@ -0,0 +1,26 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "stage_platform": "linux-fuzzing-debug",
+    "debug_build": True,
+    #### 32 bit build specific #####
+    "env": {
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "DISPLAY": ":2",
+        "HG_SHARE_BASE_DIR": "/builds/hg-shared",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "LC_ALL": "C",
+        "XPCOM_DEBUG_BREAK": "stack-and-abort",
+        # 32 bit specific
+        "PATH": "/usr/local/bin:/bin:\
+/usr/bin:/usr/local/sbin:/usr/sbin:/sbin",
+        "LD_LIBRARY_PATH": "%(abs_obj_dir)s/dist/bin",
+        "TINDERBOX_OUTPUT": "1",
+    },
+    #######################
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_linux_configs/32_rusttests.py b/testing/mozharness/configs/builds/releng_sub_linux_configs/32_rusttests.py
new file mode 100644
index 0000000000..7aecddf896
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_linux_configs/32_rusttests.py
@@ -0,0 +1,28 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "stage_platform": "linux-rusttests",
+    #### 32 bit build specific #####
+    "env": {
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "DISPLAY": ":2",
+        "HG_SHARE_BASE_DIR": "/builds/hg-shared",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "LC_ALL": "C",
+        # 32 bit specific
+        "PATH": "/usr/local/bin:/bin:\
+/usr/bin:/usr/local/sbin:/usr/sbin:/sbin",
+        "LD_LIBRARY_PATH": "%(abs_obj_dir)s/dist/bin",
+        "XPCOM_DEBUG_BREAK": "stack-and-abort",
+        "TINDERBOX_OUTPUT": "1",
+    },
+    "app_name": "tools/rusttests",
+    "mozconfig_variant": "rusttests",
+    "disable_package_metrics": True,
+    #######################
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_linux_configs/32_rusttests_debug.py b/testing/mozharness/configs/builds/releng_sub_linux_configs/32_rusttests_debug.py
new file mode 100644
index 0000000000..0f7537ee5d
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_linux_configs/32_rusttests_debug.py
@@ -0,0 +1,28 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "debug_build": True,
+    "stage_platform": "linux-rusttests-debug",
+    #### 32 bit build specific #####
+    "env": {
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "DISPLAY": ":2",
+        "HG_SHARE_BASE_DIR": "/builds/hg-shared",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "LC_ALL": "C",
+        # 32 bit specific
+        "PATH": "/usr/local/bin:/bin:\
+/usr/bin:/usr/local/sbin:/usr/sbin:/sbin",
+        "LD_LIBRARY_PATH": "%(abs_obj_dir)s/dist/bin",
+        "XPCOM_DEBUG_BREAK": "stack-and-abort",
+        "TINDERBOX_OUTPUT": "1",
+    },
+    "app_name": "tools/rusttests",
+    "disable_package_metrics": True,
+    #######################
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_linux_configs/64_add-on-devel.py b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_add-on-devel.py
new file mode 100644
index 0000000000..ede8363c6a
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_add-on-devel.py
@@ -0,0 +1,24 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "stage_platform": "linux64-add-on-devel",
+    #### 64 bit build specific #####
+    "env": {
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "HG_SHARE_BASE_DIR": "/builds/hg-shared",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "TINDERBOX_OUTPUT": "1",
+        "TOOLTOOL_CACHE": "/builds/tooltool_cache",
+        "TOOLTOOL_HOME": "/builds",
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "LC_ALL": "C",
+        ## 64 bit specific
+        "PATH": "/builds/worker/workspace/build/src/gcc/bin:/usr/local/bin:/bin:\
+/usr/bin:/usr/local/sbin:/usr/sbin:/sbin",
+    },
+    #######################
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_linux_configs/64_asan.py b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_asan.py
new file mode 100644
index 0000000000..ac024b67bd
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_asan.py
@@ -0,0 +1,30 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "default_actions": [
+        "clobber",
+        "build",
+    ],
+    "stage_platform": "linux64-asan",
+    #### 64 bit build specific #####
+    "env": {
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "DISPLAY": ":2",
+        "HG_SHARE_BASE_DIR": "/builds/hg-shared",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "TINDERBOX_OUTPUT": "1",
+        "TOOLTOOL_CACHE": "/builds/tooltool_cache",
+        "TOOLTOOL_HOME": "/builds",
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "LC_ALL": "C",
+        ## 64 bit specific
+        "PATH": "/usr/local/bin:/bin:\
+/usr/bin:/usr/local/sbin:/usr/sbin:/sbin",
+    },
+    "mozconfig_variant": "nightly-asan",
+    #######################
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_linux_configs/64_asan_and_debug.py b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_asan_and_debug.py
new file mode 100644
index 0000000000..44d08e02af
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_asan_and_debug.py
@@ -0,0 +1,31 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "default_actions": [
+        "clobber",
+        "build",
+    ],
+    "stage_platform": "linux64-asan-debug",
+    "debug_build": True,
+    #### 64 bit build specific #####
+    "env": {
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "DISPLAY": ":2",
+        "HG_SHARE_BASE_DIR": "/builds/hg-shared",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "TINDERBOX_OUTPUT": "1",
+        "TOOLTOOL_CACHE": "/builds/tooltool_cache",
+        "TOOLTOOL_HOME": "/builds",
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "LC_ALL": "C",
+        ## 64 bit specific
+        "PATH": "/usr/local/bin:/bin:\
+/usr/bin:/usr/local/sbin:/usr/sbin:/sbin",
+    },
+    "mozconfig_variant": "debug-asan",
+    #######################
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_linux_configs/64_asan_reporter_tc.py b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_asan_reporter_tc.py
new file mode 100644
index 0000000000..9bc1010da0
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_asan_reporter_tc.py
@@ -0,0 +1,27 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "stage_platform": "linux64-asan-reporter",
+    #### 64 bit build specific #####
+    "env": {
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "MOZ_AUTOMATION": "1",
+        "DISPLAY": ":2",
+        "HG_SHARE_BASE_DIR": "/builds/hg-shared",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "TINDERBOX_OUTPUT": "1",
+        "TOOLTOOL_CACHE": "/builds/tooltool_cache",
+        "TOOLTOOL_HOME": "/builds",
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "LC_ALL": "C",
+        "ASAN_OPTIONS": "detect_leaks=0",
+        ## 64 bit specific
+        "PATH": "/usr/local/bin:/bin:\
+/usr/bin:/usr/local/sbin:/usr/sbin:/sbin",
+    },
+    #######################
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_linux_configs/64_asan_tc.py b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_asan_tc.py
new file mode 100644
index 0000000000..d6751ccf4c
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_asan_tc.py
@@ -0,0 +1,25 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "stage_platform": "linux64-asan",
+    #### 64 bit build specific #####
+    "env": {
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "DISPLAY": ":2",
+        "HG_SHARE_BASE_DIR": "/builds/hg-shared",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "TINDERBOX_OUTPUT": "1",
+        "TOOLTOOL_CACHE": "/builds/tooltool_cache",
+        "TOOLTOOL_HOME": "/builds",
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "LC_ALL": "C",
+        ## 64 bit specific
+        "PATH": "/usr/local/bin:/bin:\
+/usr/bin:/usr/local/sbin:/usr/sbin:/sbin",
+    },
+    #######################
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_linux_configs/64_asan_tc_and_debug.py b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_asan_tc_and_debug.py
new file mode 100644
index 0000000000..12ae638b3a
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_asan_tc_and_debug.py
@@ -0,0 +1,26 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "stage_platform": "linux64-asan-debug",
+    "debug_build": True,
+    #### 64 bit build specific #####
+    "env": {
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "DISPLAY": ":2",
+        "HG_SHARE_BASE_DIR": "/builds/hg-shared",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "TINDERBOX_OUTPUT": "1",
+        "TOOLTOOL_CACHE": "/builds/tooltool_cache",
+        "TOOLTOOL_HOME": "/builds",
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "LC_ALL": "C",
+        ## 64 bit specific
+        "PATH": "/usr/local/bin:/bin:\
+/usr/bin:/usr/local/sbin:/usr/sbin:/sbin",
+    },
+    #######################
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_linux_configs/64_code_coverage_debug.py b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_code_coverage_debug.py
new file mode 100644
index 0000000000..f82294e646
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_code_coverage_debug.py
@@ -0,0 +1,25 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "stage_platform": "linux64-ccov",
+    #### 64 bit build specific #####
+    "env": {
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "DISPLAY": ":2",
+        "HG_SHARE_BASE_DIR": "/builds/hg-shared",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "TINDERBOX_OUTPUT": "1",
+        "TOOLTOOL_CACHE": "/builds/tooltool_cache",
+        "TOOLTOOL_HOME": "/builds",
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "LC_ALL": "C",
+        ## 64 bit specific
+        "PATH": "/usr/local/bin:/bin:\
+/usr/bin:/usr/local/sbin:/usr/sbin:/sbin",
+    },
+    #######################
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_linux_configs/64_code_coverage_opt.py b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_code_coverage_opt.py
new file mode 100644
index 0000000000..f82294e646
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_code_coverage_opt.py
@@ -0,0 +1,25 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "stage_platform": "linux64-ccov",
+    #### 64 bit build specific #####
+    "env": {
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "DISPLAY": ":2",
+        "HG_SHARE_BASE_DIR": "/builds/hg-shared",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "TINDERBOX_OUTPUT": "1",
+        "TOOLTOOL_CACHE": "/builds/tooltool_cache",
+        "TOOLTOOL_HOME": "/builds",
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "LC_ALL": "C",
+        ## 64 bit specific
+        "PATH": "/usr/local/bin:/bin:\
+/usr/bin:/usr/local/sbin:/usr/sbin:/sbin",
+    },
+    #######################
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_linux_configs/64_debug.py b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_debug.py
new file mode 100644
index 0000000000..e8ad7d1cc1
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_debug.py
@@ -0,0 +1,26 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "stage_platform": "linux64-debug",
+    "debug_build": True,
+    #### 64 bit build specific #####
+    "env": {
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "DISPLAY": ":2",
+        "HG_SHARE_BASE_DIR": "/builds/hg-shared",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "LC_ALL": "C",
+        "XPCOM_DEBUG_BREAK": "stack-and-abort",
+        # 64 bit specific
+        "PATH": "/usr/local/bin:/bin:\
+/usr/bin:/usr/local/sbin:/usr/sbin:/sbin",
+        "LD_LIBRARY_PATH": "%(abs_obj_dir)s/dist/bin",
+        "TINDERBOX_OUTPUT": "1",
+    },
+    #######################
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_linux_configs/64_fuzzing_asan_tc.py b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_fuzzing_asan_tc.py
new file mode 100644
index 0000000000..025e0843c2
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_fuzzing_asan_tc.py
@@ -0,0 +1,27 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "stage_platform": "linux64-fuzzing-asan",
+    #### 64 bit build specific #####
+    "env": {
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "MOZ_AUTOMATION": "1",
+        "DISPLAY": ":2",
+        "HG_SHARE_BASE_DIR": "/builds/hg-shared",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "TINDERBOX_OUTPUT": "1",
+        "TOOLTOOL_CACHE": "/builds/tooltool_cache",
+        "TOOLTOOL_HOME": "/builds",
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "LC_ALL": "C",
+        "ASAN_OPTIONS": "detect_leaks=0",
+        ## 64 bit specific
+        "PATH": "/usr/local/bin:/bin:\
+/usr/bin:/usr/local/sbin:/usr/sbin:/sbin",
+    },
+    #######################
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_linux_configs/64_fuzzing_debug.py b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_fuzzing_debug.py
new file mode 100644
index 0000000000..101b09d635
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_fuzzing_debug.py
@@ -0,0 +1,27 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "stage_platform": "linux64-fuzzing-debug",
+    "debug_build": True,
+    #### 64 bit build specific #####
+    "env": {
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "MOZ_AUTOMATION": "1",
+        "DISPLAY": ":2",
+        "HG_SHARE_BASE_DIR": "/builds/hg-shared",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "LC_ALL": "C",
+        "XPCOM_DEBUG_BREAK": "stack-and-abort",
+        # 64 bit specific
+        "PATH": "/usr/local/bin:/bin:\
+/usr/bin:/usr/local/sbin:/usr/sbin:/sbin",
+        "LD_LIBRARY_PATH": "%(abs_obj_dir)s/dist/bin",
+        "TINDERBOX_OUTPUT": "1",
+    },
+    #######################
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_linux_configs/64_fuzzing_tsan_tc.py b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_fuzzing_tsan_tc.py
new file mode 100644
index 0000000000..5e5b880740
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_fuzzing_tsan_tc.py
@@ -0,0 +1,25 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "stage_platform": "linux64-fuzzing-tsan",
+    #### 64 bit build specific #####
+    "env": {
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "DISPLAY": ":2",
+        "HG_SHARE_BASE_DIR": "/builds/hg-shared",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "TINDERBOX_OUTPUT": "1",
+        "TOOLTOOL_CACHE": "/builds/tooltool_cache",
+        "TOOLTOOL_HOME": "/builds",
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "LC_ALL": "C",
+        ## 64 bit specific
+        "PATH": "/usr/local/bin:/bin:\
+/usr/bin:/usr/local/sbin:/usr/sbin:/sbin",
+    },
+    #######################
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_linux_configs/64_noopt_debug.py b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_noopt_debug.py
new file mode 100644
index 0000000000..518ebed408
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_noopt_debug.py
@@ -0,0 +1,24 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "stage_platform": "linux64-noopt-debug",
+    "debug_build": True,
+    "env": {
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "DISPLAY": ":2",
+        "HG_SHARE_BASE_DIR": "/builds/hg-shared",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "LC_ALL": "C",
+        "XPCOM_DEBUG_BREAK": "stack-and-abort",
+        # 64 bit specific
+        "PATH": "/usr/local/bin:/bin:\
+/usr/bin:/usr/local/sbin:/usr/sbin:/sbin",
+        "LD_LIBRARY_PATH": "%(abs_obj_dir)s/dist/bin",
+        "TINDERBOX_OUTPUT": "1",
+    },
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_linux_configs/64_rusttests.py b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_rusttests.py
new file mode 100644
index 0000000000..3d9eef33ea
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_rusttests.py
@@ -0,0 +1,27 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "stage_platform": "linux64-rusttests",
+    #### 64 bit build specific #####
+    "env": {
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "DISPLAY": ":2",
+        "HG_SHARE_BASE_DIR": "/builds/hg-shared",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "TINDERBOX_OUTPUT": "1",
+        "TOOLTOOL_CACHE": "/builds/tooltool_cache",
+        "TOOLTOOL_HOME": "/builds",
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "LC_ALL": "C",
+        ## 64 bit specific
+        "PATH": ":/usr/local/bin:/bin:\
+/usr/bin:/usr/local/sbin:/usr/sbin:/sbin",
+    },
+    "app_name": "tools/rusttests",
+    "disable_package_metrics": True,
+    #######################
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_linux_configs/64_rusttests_debug.py b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_rusttests_debug.py
new file mode 100644
index 0000000000..b9b1f257d3
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_rusttests_debug.py
@@ -0,0 +1,26 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "stage_platform": "linux64-rusttests-debug",
+    "debug_build": True,
+    "env": {
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "DISPLAY": ":2",
+        "HG_SHARE_BASE_DIR": "/builds/hg-shared",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "LC_ALL": "C",
+        "XPCOM_DEBUG_BREAK": "stack-and-abort",
+        # 64 bit specific
+        "PATH": "/usr/local/bin:/bin:\
+/usr/bin:/usr/local/sbin:/usr/sbin:/sbin",
+        "LD_LIBRARY_PATH": "%(abs_obj_dir)s/dist/bin",
+        "TINDERBOX_OUTPUT": "1",
+    },
+    "app_name": "tools/rusttests",
+    "disable_package_metrics": True,
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_linux_configs/64_searchfox_and_debug.py b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_searchfox_and_debug.py
new file mode 100644
index 0000000000..223be4959c
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_searchfox_and_debug.py
@@ -0,0 +1,37 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    # note: overridden by MOZHARNESS_ACTIONS in TaskCluster tasks
+    "default_actions": [
+        "clobber",
+        "build",
+    ],
+    "vcs_share_base": "/builds/hg-shared",
+    #########################################################################
+    #########################################################################
+    ###### 64 bit specific ######
+    "platform": "linux64",
+    "stage_platform": "linux64-searchfox-opt",
+    "env": {
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "DISPLAY": ":2",
+        "HG_SHARE_BASE_DIR": "/builds/hg-shared",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "TINDERBOX_OUTPUT": "1",
+        "TOOLTOOL_CACHE": "/builds/worker/tooltool-cache",
+        "TOOLTOOL_HOME": "/builds",
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "LC_ALL": "C",
+        ## 64 bit specific
+        "PATH": "/usr/local/bin:/bin:\
+/usr/bin:/usr/local/sbin:/usr/sbin:/sbin",
+        ##
+    },
+    # This doesn't actually inherit from anything.
+    "mozconfig_platform": "linux64",
+    "mozconfig_variant": "debug-searchfox-clang",
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_linux_configs/64_source.py b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_source.py
new file mode 100644
index 0000000000..d728d917a2
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_source.py
@@ -0,0 +1,15 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "default_actions": ["package-source"],
+    "stage_platform": "source",  # Not used, but required by the script
+    "env": {
+        "HG_SHARE_BASE_DIR": "/builds/hg-shared",
+        "TINDERBOX_OUTPUT": "1",
+        "LC_ALL": "C",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+    },
+    "src_mozconfig": "browser/config/mozconfigs/linux64/source",
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_linux_configs/64_stat_and_debug.py b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_stat_and_debug.py
new file mode 100644
index 0000000000..c9a43b1642
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_stat_and_debug.py
@@ -0,0 +1,37 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    # note: overridden by MOZHARNESS_ACTIONS in TaskCluster tasks
+    "default_actions": [
+        "clobber",
+        "build",
+    ],
+    "vcs_share_base": "/builds/hg-shared",
+    #########################################################################
+    #########################################################################
+    ###### 64 bit specific ######
+    "platform": "linux64",
+    "stage_platform": "linux64-st-an-opt",
+    "env": {
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "DISPLAY": ":2",
+        "HG_SHARE_BASE_DIR": "/builds/hg-shared",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "TINDERBOX_OUTPUT": "1",
+        "TOOLTOOL_CACHE": "/builds/worker/tooltool-cache",
+        "TOOLTOOL_HOME": "/builds",
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "LC_ALL": "C",
+        ## 64 bit specific
+        "PATH": "/usr/local/bin:/bin:\
+/usr/bin:/usr/local/sbin:/usr/sbin:/sbin",
+        ##
+    },
+    # This doesn't actually inherit from anything.
+    "mozconfig_platform": "linux64",
+    "mozconfig_variant": "debug-static-analysis-clang",
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_linux_configs/64_tsan_tc.py b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_tsan_tc.py
new file mode 100644
index 0000000000..6a749c8dd5
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_tsan_tc.py
@@ -0,0 +1,25 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "stage_platform": "linux64-tsan",
+    #### 64 bit build specific #####
+    "env": {
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "DISPLAY": ":2",
+        "HG_SHARE_BASE_DIR": "/builds/hg-shared",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "TINDERBOX_OUTPUT": "1",
+        "TOOLTOOL_CACHE": "/builds/tooltool_cache",
+        "TOOLTOOL_HOME": "/builds",
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "LC_ALL": "C",
+        ## 64 bit specific
+        "PATH": "/usr/local/bin:/bin:\
+/usr/bin:/usr/local/sbin:/usr/sbin:/sbin",
+    },
+    #######################
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_linux_configs/64_valgrind.py b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_valgrind.py
new file mode 100644
index 0000000000..60ad7a4ce6
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_linux_configs/64_valgrind.py
@@ -0,0 +1,30 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "default_actions": [
+        "clobber",
+        "build",
+        "valgrind-test",
+    ],
+    "stage_platform": "linux64-valgrind",
+    #### 64 bit build specific #####
+    "env": {
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "DISPLAY": ":2",
+        "HG_SHARE_BASE_DIR": "/builds/hg-shared",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "TINDERBOX_OUTPUT": "1",
+        "TOOLTOOL_CACHE": "/builds/tooltool_cache",
+        "TOOLTOOL_HOME": "/builds",
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "LC_ALL": "C",
+        ## 64 bit specific
+        "PATH": "/usr/local/bin:/bin:\
+/usr/bin:/usr/local/sbin:/usr/sbin:/sbin",
+    },
+    "mozconfig_variant": "valgrind",
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_mac_configs/64_add-on-devel.py b/testing/mozharness/configs/builds/releng_sub_mac_configs/64_add-on-devel.py
new file mode 100644
index 0000000000..4255adb500
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_mac_configs/64_add-on-devel.py
@@ -0,0 +1,25 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "stage_platform": "macosx64-add-on-devel",
+    #### 64 bit build specific #####
+    "env": {
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "HG_SHARE_BASE_DIR": "/builds/hg-shared",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "TINDERBOX_OUTPUT": "1",
+        "TOOLTOOL_CACHE": "/builds/tooltool_cache",
+        "TOOLTOOL_HOME": "/builds",
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "LC_ALL": "C",
+        ## 64 bit specific
+        "PATH": "/tools/python/bin:/opt/local/bin:/usr/bin:"
+        "/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/X11/bin",
+        ##
+    },
+    #######################
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_mac_configs/64_code_coverage_debug.py b/testing/mozharness/configs/builds/releng_sub_mac_configs/64_code_coverage_debug.py
new file mode 100644
index 0000000000..a94cbb75f7
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_mac_configs/64_code_coverage_debug.py
@@ -0,0 +1,26 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "stage_platform": "macosx64-ccov-debug",
+    "debug_build": True,
+    #### 64 bit build specific #####
+    "env": {
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "HG_SHARE_BASE_DIR": "/builds/hg-shared",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "TINDERBOX_OUTPUT": "1",
+        "TOOLTOOL_CACHE": "/builds/tooltool_cache",
+        "TOOLTOOL_HOME": "/builds",
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "LC_ALL": "C",
+        ## 64 bit specific
+        "PATH": "/tools/python/bin:/opt/local/bin:/usr/bin:"
+        "/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/X11/bin",
+        ##
+    },
+    #######################
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_mac_configs/64_code_coverage_opt.py b/testing/mozharness/configs/builds/releng_sub_mac_configs/64_code_coverage_opt.py
new file mode 100644
index 0000000000..6a5a1cb15a
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_mac_configs/64_code_coverage_opt.py
@@ -0,0 +1,25 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "stage_platform": "macosx64-ccov-opt",
+    #### 64 bit build specific #####
+    "env": {
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "HG_SHARE_BASE_DIR": "/builds/hg-shared",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "TINDERBOX_OUTPUT": "1",
+        "TOOLTOOL_CACHE": "/builds/tooltool_cache",
+        "TOOLTOOL_HOME": "/builds",
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "LC_ALL": "C",
+        ## 64 bit specific
+        "PATH": "/tools/python/bin:/opt/local/bin:/usr/bin:"
+        "/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/X11/bin",
+        ##
+    },
+    #######################
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_mac_configs/64_cross_debug.py b/testing/mozharness/configs/builds/releng_sub_mac_configs/64_cross_debug.py
new file mode 100644
index 0000000000..82283ba2fb
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_mac_configs/64_cross_debug.py
@@ -0,0 +1,26 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "stage_platform": "macosx64-debug",
+    "debug_build": True,
+    #### 64 bit build specific #####
+    "env": {
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "HG_SHARE_BASE_DIR": "/builds/hg-shared",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "TINDERBOX_OUTPUT": "1",
+        "TOOLTOOL_CACHE": "/builds/tooltool_cache",
+        "TOOLTOOL_HOME": "/builds",
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "LC_ALL": "C",
+        "XPCOM_DEBUG_BREAK": "stack-and-abort",
+        ## 64 bit specific
+        "PATH": "/tools/python/bin:/opt/local/bin:/usr/bin:"
+        "/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/X11/bin",
+        ##
+    },
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_mac_configs/64_cross_debug_searchfox.py b/testing/mozharness/configs/builds/releng_sub_mac_configs/64_cross_debug_searchfox.py
new file mode 100644
index 0000000000..e402933641
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_mac_configs/64_cross_debug_searchfox.py
@@ -0,0 +1,30 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "default_actions": [
+        "clobber",
+        "build",
+    ],
+    "stage_platform": "macosx64-searchfox-debug",
+    "debug_build": True,
+    #### 64 bit build specific #####
+    "env": {
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "HG_SHARE_BASE_DIR": "/builds/hg-shared",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "TINDERBOX_OUTPUT": "1",
+        "TOOLTOOL_CACHE": "/builds/tooltool_cache",
+        "TOOLTOOL_HOME": "/builds",
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "LC_ALL": "C",
+        "XPCOM_DEBUG_BREAK": "stack-and-abort",
+        # 64 bit specific
+        "PATH": "/tools/python/bin:/opt/local/bin:/usr/bin:"
+        "/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/X11/bin",
+    },
+    "mozconfig_variant": "debug-searchfox",
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_mac_configs/64_cross_fuzzing_asan.py b/testing/mozharness/configs/builds/releng_sub_mac_configs/64_cross_fuzzing_asan.py
new file mode 100644
index 0000000000..8f665762f2
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_mac_configs/64_cross_fuzzing_asan.py
@@ -0,0 +1,27 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "stage_platform": "macosx64-fuzzing-asan",
+    "publish_nightly_en_US_routes": False,
+    "platform_supports_post_upload_to_latest": False,
+    #### 64 bit build specific #####
+    "env": {
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "DISPLAY": ":2",
+        "HG_SHARE_BASE_DIR": "/builds/hg-shared",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "TINDERBOX_OUTPUT": "1",
+        "TOOLTOOL_CACHE": "/builds/tooltool_cache",
+        "TOOLTOOL_HOME": "/builds",
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "LC_ALL": "C",
+        "ASAN_OPTIONS": "detect_leaks=0",
+        ## 64 bit specific
+        "PATH": "/usr/local/bin:/bin:\
+/usr/bin:/usr/local/sbin:/usr/sbin:/sbin",
+    },
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_mac_configs/64_cross_fuzzing_debug.py b/testing/mozharness/configs/builds/releng_sub_mac_configs/64_cross_fuzzing_debug.py
new file mode 100644
index 0000000000..f88bac7001
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_mac_configs/64_cross_fuzzing_debug.py
@@ -0,0 +1,28 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "stage_platform": "macosx64-fuzzing-debug",
+    "debug_build": True,
+    #### 64 bit build specific #####
+    "env": {
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "HG_SHARE_BASE_DIR": "/builds/hg-shared",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "TINDERBOX_OUTPUT": "1",
+        "TOOLTOOL_CACHE": "/builds/tooltool_cache",
+        "TOOLTOOL_HOME": "/builds",
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "LC_ALL": "C",
+        "XPCOM_DEBUG_BREAK": "stack-and-abort",
+        ## 64 bit specific
+        "PATH": "/tools/python/bin:/opt/local/bin:/usr/bin:"
+        "/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/X11/bin",
+        ##
+    },
+    #######################
+    "artifact_flag_build_variant_in_try": None,
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_mac_configs/64_cross_noopt_debug.py b/testing/mozharness/configs/builds/releng_sub_mac_configs/64_cross_noopt_debug.py
new file mode 100644
index 0000000000..e3cd50f218
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_mac_configs/64_cross_noopt_debug.py
@@ -0,0 +1,26 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "stage_platform": "macosx64-noopt-debug",
+    "debug_build": True,
+    #### 64 bit build specific #####
+    "env": {
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "HG_SHARE_BASE_DIR": "/builds/hg-shared",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "TINDERBOX_OUTPUT": "1",
+        "TOOLTOOL_CACHE": "/builds/tooltool_cache",
+        "TOOLTOOL_HOME": "/builds",
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "LC_ALL": "C",
+        "XPCOM_DEBUG_BREAK": "stack-and-abort",
+        ## 64 bit specific
+        "PATH": "/tools/python/bin:/opt/local/bin:/usr/bin:"
+        "/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/X11/bin",
+        ##
+    },
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_mac_configs/64_debug.py b/testing/mozharness/configs/builds/releng_sub_mac_configs/64_debug.py
new file mode 100644
index 0000000000..12e7b84588
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_mac_configs/64_debug.py
@@ -0,0 +1,32 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "default_actions": [
+        "clobber",
+        "build",
+    ],
+    "stage_platform": "macosx64-debug",
+    "debug_build": True,
+    #### 64 bit build specific #####
+    "env": {
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "HG_SHARE_BASE_DIR": "/builds/hg-shared",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "TINDERBOX_OUTPUT": "1",
+        "TOOLTOOL_CACHE": "/builds/tooltool_cache",
+        "TOOLTOOL_HOME": "/builds",
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "LC_ALL": "C",
+        "XPCOM_DEBUG_BREAK": "stack-and-abort",
+        ## 64 bit specific
+        "PATH": "/tools/python/bin:/opt/local/bin:/usr/bin:"
+        "/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/X11/bin",
+        ##
+    },
+    "mozconfig_variant": "debug",
+    #######################
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_mac_configs/64_stat_and_debug.py b/testing/mozharness/configs/builds/releng_sub_mac_configs/64_stat_and_debug.py
new file mode 100644
index 0000000000..72049b6ce1
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_mac_configs/64_stat_and_debug.py
@@ -0,0 +1,33 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "default_actions": [
+        "clobber",
+        "build",
+    ],
+    "debug_build": True,
+    "stage_platform": "macosx64-st-an-debug",
+    "tooltool_manifest_src": "browser/config/tooltool-manifests/macosx64/\
+clang.manifest",
+    #### 64 bit build specific #####
+    "env": {
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "HG_SHARE_BASE_DIR": "/builds/hg-shared",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "TINDERBOX_OUTPUT": "1",
+        "TOOLTOOL_CACHE": "/builds/tooltool_cache",
+        "TOOLTOOL_HOME": "/builds",
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "LC_ALL": "C",
+        "XPCOM_DEBUG_BREAK": "stack-and-abort",
+        # 64 bit specific
+        "PATH": "/tools/python/bin:/opt/local/bin:/usr/bin:"
+        "/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/X11/bin",
+    },
+    "mozconfig_variant": "debug-static-analysis",
+    #######################
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_mac_configs/rusttests.py b/testing/mozharness/configs/builds/releng_sub_mac_configs/rusttests.py
new file mode 100644
index 0000000000..b3cabc856c
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_mac_configs/rusttests.py
@@ -0,0 +1,12 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "default_actions": [
+        "build",
+    ],
+    "stage_platform": "macosx64-rusttests",
+    "app_name": "tools/rusttests",
+    "disable_package_metrics": True,
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_windows_configs/32_add-on-devel.py b/testing/mozharness/configs/builds/releng_sub_windows_configs/32_add-on-devel.py
new file mode 100644
index 0000000000..c617eea6e8
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_windows_configs/32_add-on-devel.py
@@ -0,0 +1,27 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "default_actions": [
+        "clobber",
+        "build",
+    ],
+    "stage_platform": "win32-add-on-devel",
+    #### 32 bit build specific #####
+    "env": {
+        "HG_SHARE_BASE_DIR": "C:/builds/hg-shared",
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "PATH": "C:/mozilla-build/python27;%s" % (os.environ.get("path")),
+        "TINDERBOX_OUTPUT": "1",
+        "XPCOM_DEBUG_BREAK": "stack-and-abort",
+        "TOOLTOOL_CACHE": "c:/builds/tooltool_cache",
+        "TOOLTOOL_HOME": "/c/builds",
+    },
+    "mozconfig_variant": "add-on-devel",
+    #######################
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_windows_configs/32_debug.py b/testing/mozharness/configs/builds/releng_sub_windows_configs/32_debug.py
new file mode 100644
index 0000000000..49230527a5
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_windows_configs/32_debug.py
@@ -0,0 +1,28 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "default_actions": [
+        "clobber",
+        "build",
+    ],
+    "stage_platform": "win32-debug",
+    "debug_build": True,
+    #### 32 bit build specific #####
+    "env": {
+        "HG_SHARE_BASE_DIR": "C:/builds/hg-shared",
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "PATH": "C:/mozilla-build/python27;%s" % (os.environ.get("path")),
+        "TINDERBOX_OUTPUT": "1",
+        "XPCOM_DEBUG_BREAK": "stack-and-abort",
+        "TOOLTOOL_CACHE": "c:/builds/tooltool_cache",
+        "TOOLTOOL_HOME": "/c/builds",
+    },
+    "mozconfig_variant": "debug",
+    #######################
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_windows_configs/32_mingwclang.py b/testing/mozharness/configs/builds/releng_sub_windows_configs/32_mingwclang.py
new file mode 100644
index 0000000000..d201b89eb1
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_windows_configs/32_mingwclang.py
@@ -0,0 +1,9 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "platform": "win32-mingwclang",
+    "stage_platform": "win32-mingwclang",
+    "mozconfig_platform": "win32",
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_windows_configs/32_stat_and_debug.py b/testing/mozharness/configs/builds/releng_sub_windows_configs/32_stat_and_debug.py
new file mode 100644
index 0000000000..803f2f67ca
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_windows_configs/32_stat_and_debug.py
@@ -0,0 +1,27 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "default_actions": [
+        "clobber",
+        "build",
+    ],
+    "stage_platform": "win32-st-an-debug",
+    "debug_build": True,
+    #### 32 bit build specific #####
+    "env": {
+        "HG_SHARE_BASE_DIR": "C:/builds/hg-shared",
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "PATH": "C:/mozilla-build/python27;%s" % (os.environ.get("path")),
+        "TINDERBOX_OUTPUT": "1",
+        "XPCOM_DEBUG_BREAK": "stack-and-abort",
+        "TOOLTOOL_CACHE": "c:/builds/tooltool_cache",
+        "TOOLTOOL_HOME": "/c/builds",
+    },
+    "mozconfig_variant": "debug-static-analysis",
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_windows_configs/64_add-on-devel.py b/testing/mozharness/configs/builds/releng_sub_windows_configs/64_add-on-devel.py
new file mode 100644
index 0000000000..71545b072c
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_windows_configs/64_add-on-devel.py
@@ -0,0 +1,26 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "default_actions": [
+        "clobber",
+        "build",
+    ],
+    "stage_platform": "win64-add-on-devel",
+    #### 64 bit build specific #####
+    "env": {
+        "HG_SHARE_BASE_DIR": "C:/builds/hg-shared",
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "PATH": "C:/mozilla-build/python27;%s" % (os.environ.get("path")),
+        "TINDERBOX_OUTPUT": "1",
+        "XPCOM_DEBUG_BREAK": "stack-and-abort",
+        "TOOLTOOL_CACHE": "c:/builds/tooltool_cache",
+        "TOOLTOOL_HOME": "/c/builds",
+    },
+    "mozconfig_variant": "add-on-devel",
+    #######################
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_windows_configs/64_debug.py b/testing/mozharness/configs/builds/releng_sub_windows_configs/64_debug.py
new file mode 100644
index 0000000000..c281f2379d
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_windows_configs/64_debug.py
@@ -0,0 +1,27 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "default_actions": [
+        "clobber",
+        "build",
+    ],
+    "stage_platform": "win64-debug",
+    "debug_build": True,
+    #### 64 bit build specific #####
+    "env": {
+        "HG_SHARE_BASE_DIR": "C:/builds/hg-shared",
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "PATH": "C:/mozilla-build/python27;%s" % (os.environ.get("path")),
+        "TINDERBOX_OUTPUT": "1",
+        "XPCOM_DEBUG_BREAK": "stack-and-abort",
+        "TOOLTOOL_CACHE": "c:/builds/tooltool_cache",
+        "TOOLTOOL_HOME": "/c/builds",
+    },
+    "mozconfig_variant": "debug",
+    #######################
+}
diff --git a/testing/mozharness/configs/builds/releng_sub_windows_configs/64_mingwclang.py b/testing/mozharness/configs/builds/releng_sub_windows_configs/64_mingwclang.py
new file mode 100644
index 0000000000..7f41cdb793
--- /dev/null
+++ b/testing/mozharness/configs/builds/releng_sub_windows_configs/64_mingwclang.py
@@ -0,0 +1,9 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "platform": "win64-mingwclang",
+    "stage_platform": "win64-mingwclang",
+    "mozconfig_platform": "win64",
+}
diff --git a/testing/mozharness/configs/builds/taskcluster_base_macosx.py b/testing/mozharness/configs/builds/taskcluster_base_macosx.py
new file mode 100644
index 0000000000..7831ad17f4
--- /dev/null
+++ b/testing/mozharness/configs/builds/taskcluster_base_macosx.py
@@ -0,0 +1,44 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "default_actions": [
+        "get-secrets",
+        "build",
+    ],
+    "vcs_share_base": os.path.join(os.getcwd(), "checkouts", "hg-shared"),
+    "max_build_output_timeout": 60 * 80,
+    "env": {
+        "HG_SHARE_BASE_DIR": os.path.join(os.getcwd(), "checkouts", "hg-shared"),
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "TINDERBOX_OUTPUT": "1",
+        "WORKSPACE": "%(base_work_dir)s",
+        "PATH": "/usr/local/bin:/bin:/sbin:/usr/bin:/usr/sbin",
+    },
+    "upload_env": {
+        "UPLOAD_PATH": os.path.join(os.getcwd(), "public", "build"),
+    },
+    "secret_files": [
+        {
+            "filename": "gls-gapi.data",
+            "secret_name": "project/releng/gecko/build/level-%(scm-level)s/gls-gapi.data",
+            "min_scm_level": 1,
+        },
+        {
+            "filename": "sb-gapi.data",
+            "secret_name": "project/releng/gecko/build/level-%(scm-level)s/sb-gapi.data",
+            "min_scm_level": 1,
+        },
+        {
+            "filename": "mozilla-desktop-geoloc-api.key",
+            "secret_name": "project/releng/gecko/build/level-%(scm-level)s/mozilla-desktop-geoloc-api.key",
+            "min_scm_level": 2,
+            "default": "try-build-has-no-secrets",
+        },
+    ],
+}
diff --git a/testing/mozharness/configs/builds/taskcluster_base_win32.py b/testing/mozharness/configs/builds/taskcluster_base_win32.py
new file mode 100644
index 0000000000..c18d21c96c
--- /dev/null
+++ b/testing/mozharness/configs/builds/taskcluster_base_win32.py
@@ -0,0 +1,8 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "platform": "win32",
+    "mozconfig_platform": "win32",
+}
diff --git a/testing/mozharness/configs/builds/taskcluster_base_win64.py b/testing/mozharness/configs/builds/taskcluster_base_win64.py
new file mode 100644
index 0000000000..013bc11b62
--- /dev/null
+++ b/testing/mozharness/configs/builds/taskcluster_base_win64.py
@@ -0,0 +1,8 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "platform": "win64",
+    "mozconfig_platform": "win64",
+}
diff --git a/testing/mozharness/configs/builds/taskcluster_base_windows.py b/testing/mozharness/configs/builds/taskcluster_base_windows.py
new file mode 100644
index 0000000000..8e5a5bc650
--- /dev/null
+++ b/testing/mozharness/configs/builds/taskcluster_base_windows.py
@@ -0,0 +1,46 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "default_actions": [
+        "get-secrets",
+        "build",
+    ],
+    "vcs_share_base": os.path.join("y:", os.sep, "hg-shared"),
+    "max_build_output_timeout": 60 * 80,
+    "env": {
+        "HG_SHARE_BASE_DIR": os.path.join("y:", os.sep, "hg-shared"),
+        "MOZBUILD_STATE_PATH": os.path.join(os.getcwd(), ".mozbuild"),
+        "MOZ_CRASHREPORTER_NO_REPORT": "1",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "TINDERBOX_OUTPUT": "1",
+        "TOOLTOOL_CACHE": "c:/builds/tooltool_cache",
+        "TOOLTOOL_HOME": "/c/builds",
+        "MSYSTEM": "MINGW32",
+        "WORKSPACE": "%(base_work_dir)s",
+    },
+    "upload_env": {
+        "UPLOAD_PATH": os.path.join(os.getcwd(), "public", "build"),
+    },
+    "secret_files": [
+        {
+            "filename": "gls-gapi.data",
+            "secret_name": "project/releng/gecko/build/level-%(scm-level)s/gls-gapi.data",
+            "min_scm_level": 1,
+        },
+        {
+            "filename": "sb-gapi.data",
+            "secret_name": "project/releng/gecko/build/level-%(scm-level)s/sb-gapi.data",
+            "min_scm_level": 1,
+        },
+        {
+            "filename": "mozilla-desktop-geoloc-api.key",
+            "secret_name": "project/releng/gecko/build/level-%(scm-level)s/mozilla-desktop-geoloc-api.key",
+            "min_scm_level": 2,
+            "default": "try-build-has-no-secrets",
+        },
+    ],
+}
diff --git a/testing/mozharness/configs/builds/taskcluster_sub_win32/debug.py b/testing/mozharness/configs/builds/taskcluster_sub_win32/debug.py
new file mode 100644
index 0000000000..dc8977dfc0
--- /dev/null
+++ b/testing/mozharness/configs/builds/taskcluster_sub_win32/debug.py
@@ -0,0 +1,11 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "win32-debug",
+    "debug_build": True,
+    "env": {
+        "XPCOM_DEBUG_BREAK": "stack-and-abort",
+    },
+}
diff --git a/testing/mozharness/configs/builds/taskcluster_sub_win32/noopt_debug.py b/testing/mozharness/configs/builds/taskcluster_sub_win32/noopt_debug.py
new file mode 100644
index 0000000000..6189060639
--- /dev/null
+++ b/testing/mozharness/configs/builds/taskcluster_sub_win32/noopt_debug.py
@@ -0,0 +1,11 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "win32-noopt-debug",
+    "debug_build": True,
+    "env": {
+        "XPCOM_DEBUG_BREAK": "stack-and-abort",
+    },
+}
diff --git a/testing/mozharness/configs/builds/taskcluster_sub_win64/asan_debug.py b/testing/mozharness/configs/builds/taskcluster_sub_win64/asan_debug.py
new file mode 100644
index 0000000000..da63c2724d
--- /dev/null
+++ b/testing/mozharness/configs/builds/taskcluster_sub_win64/asan_debug.py
@@ -0,0 +1,11 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "win64-asan-debug",
+    "debug_build": True,
+    "env": {
+        "XPCOM_DEBUG_BREAK": "stack-and-abort",
+    },
+}
diff --git a/testing/mozharness/configs/builds/taskcluster_sub_win64/asan_reporter_opt.py b/testing/mozharness/configs/builds/taskcluster_sub_win64/asan_reporter_opt.py
new file mode 100644
index 0000000000..af47501c73
--- /dev/null
+++ b/testing/mozharness/configs/builds/taskcluster_sub_win64/asan_reporter_opt.py
@@ -0,0 +1,8 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "win64-asan-reporter",
+    "mozconfig_variant": "nightly-asan-reporter",
+}
diff --git a/testing/mozharness/configs/builds/taskcluster_sub_win64/ccov_opt.py b/testing/mozharness/configs/builds/taskcluster_sub_win64/ccov_opt.py
new file mode 100644
index 0000000000..c29a2d88bc
--- /dev/null
+++ b/testing/mozharness/configs/builds/taskcluster_sub_win64/ccov_opt.py
@@ -0,0 +1,10 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "win64-ccov",
+    "env": {
+        "XPCOM_DEBUG_BREAK": "stack-and-abort",
+    },
+}
diff --git a/testing/mozharness/configs/builds/taskcluster_sub_win64/debug.py b/testing/mozharness/configs/builds/taskcluster_sub_win64/debug.py
new file mode 100644
index 0000000000..d40e77d7ae
--- /dev/null
+++ b/testing/mozharness/configs/builds/taskcluster_sub_win64/debug.py
@@ -0,0 +1,11 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "win64-debug",
+    "debug_build": True,
+    "env": {
+        "XPCOM_DEBUG_BREAK": "stack-and-abort",
+    },
+}
diff --git a/testing/mozharness/configs/builds/taskcluster_sub_win64/noopt_debug.py b/testing/mozharness/configs/builds/taskcluster_sub_win64/noopt_debug.py
new file mode 100644
index 0000000000..1dd204a3e4
--- /dev/null
+++ b/testing/mozharness/configs/builds/taskcluster_sub_win64/noopt_debug.py
@@ -0,0 +1,11 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "win64-noopt-debug",
+    "debug_build": True,
+    "env": {
+        "XPCOM_DEBUG_BREAK": "stack-and-abort",
+    },
+}
diff --git a/testing/mozharness/configs/builds/taskcluster_sub_win64/plain_opt.py b/testing/mozharness/configs/builds/taskcluster_sub_win64/plain_opt.py
new file mode 100644
index 0000000000..e567c8f123
--- /dev/null
+++ b/testing/mozharness/configs/builds/taskcluster_sub_win64/plain_opt.py
@@ -0,0 +1,12 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "default_actions": [
+        "build",
+    ],
+    "disable_package_metrics": True,
+    "mozconfig_variant": "plain-opt",
+    "stage_platform": "win64",
+}
diff --git a/testing/mozharness/configs/builds/taskcluster_sub_win64/rusttests_opt.py b/testing/mozharness/configs/builds/taskcluster_sub_win64/rusttests_opt.py
new file mode 100644
index 0000000000..95ba433c29
--- /dev/null
+++ b/testing/mozharness/configs/builds/taskcluster_sub_win64/rusttests_opt.py
@@ -0,0 +1,15 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "default_actions": [
+        "build",
+    ],
+    "stage_platform": "win64-rusttests",
+    "env": {
+        "XPCOM_DEBUG_BREAK": "stack-and-abort",
+    },
+    "app_name": "tools/rusttests",
+    "disable_package_metrics": True,
+}
diff --git a/testing/mozharness/configs/builds/taskcluster_sub_win64/searchfox_debug.py b/testing/mozharness/configs/builds/taskcluster_sub_win64/searchfox_debug.py
new file mode 100644
index 0000000000..a49a8af48d
--- /dev/null
+++ b/testing/mozharness/configs/builds/taskcluster_sub_win64/searchfox_debug.py
@@ -0,0 +1,12 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "stage_platform": "win64-st-an-debug",
+    "debug_build": True,
+    "env": {
+        "XPCOM_DEBUG_BREAK": "stack-and-abort",
+    },
+    "mozconfig_variant": "debug-searchfox",
+}
diff --git a/testing/mozharness/configs/developer_config.py b/testing/mozharness/configs/developer_config.py
new file mode 100644
index 0000000000..563a0db9db
--- /dev/null
+++ b/testing/mozharness/configs/developer_config.py
@@ -0,0 +1,44 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+"""
+This config file can be appended to any other mozharness job
+running under treeherder. The purpose of this config is to
+override values that are specific to Release Engineering machines
+that can reach specific hosts within their network.
+In other words, this config allows you to run any job
+outside of the Release Engineering network
+
+Using this config file should be accompanied with using
+--test-url and --installer-url where appropiate
+"""
+
+import os
+
+LOCAL_WORKDIR = os.path.expanduser("~/.mozilla/releng")
+
+config = {
+    # Developer mode values
+    "developer_mode": True,
+    "local_workdir": LOCAL_WORKDIR,
+    "replace_urls": [
+        ("http://pvtbuilds.pvt.build", "https://pvtbuilds"),
+    ],
+    # General local variable overwrite
+    "exes": {
+        "gittool.py": os.path.join(LOCAL_WORKDIR, "gittool.py"),
+    },
+    # Talos related
+    "python_webserver": True,
+    "virtualenv_path": "%s/build/venv" % os.getcwd(),
+    "preflight_run_cmd_suites": [],
+    "postflight_run_cmd_suites": [],
+    # Tooltool related
+    "tooltool_cache": os.path.join(LOCAL_WORKDIR, "builds/tooltool_cache"),
+    "tooltool_cache_path": os.path.join(LOCAL_WORKDIR, "builds/tooltool_cache"),
+    # VCS tools
+    "gittool.py": "http://hg.mozilla.org/build/puppet/raw-file/faaf5abd792e/modules/packages/files/gittool.py",
+    # Android related
+    "host_utils_url": "https://tooltool.mozilla-releng.net/sha512/372c89f9dccaf5ee3b9d35fd1cfeb089e1e5db3ff1c04e35aa3adc8800bc61a2ae10e321f37ae7bab20b56e60941f91bb003bcb22035902a73d70872e7bd3282",
+}
diff --git a/testing/mozharness/configs/firefox_ui_tests/qa_jenkins.py b/testing/mozharness/configs/firefox_ui_tests/qa_jenkins.py
new file mode 100644
index 0000000000..5e605bd0a0
--- /dev/null
+++ b/testing/mozharness/configs/firefox_ui_tests/qa_jenkins.py
@@ -0,0 +1,13 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# Default configuration as used by Mozmill CI (Jenkins)
+
+
+config = {
+    # Tests run in mozmill-ci do not use RelEng infra
+    "developer_mode": True,
+    # mozcrash support
+    "download_symbols": "ondemand",
+}
diff --git a/testing/mozharness/configs/firefox_ui_tests/releng_release.py b/testing/mozharness/configs/firefox_ui_tests/releng_release.py
new file mode 100644
index 0000000000..ae3f5cc15c
--- /dev/null
+++ b/testing/mozharness/configs/firefox_ui_tests/releng_release.py
@@ -0,0 +1,27 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# Default configuration as used by Release Engineering for testing release/beta builds
+
+import os
+import sys
+
+import mozharness
+
+external_tools_path = os.path.join(
+    os.path.abspath(os.path.dirname(os.path.dirname(mozharness.__file__))),
+    "external_tools",
+)
+
+
+config = {
+    # General local variable overwrite
+    "exes": {
+        "gittool.py": [
+            # Bug 1227079 - Python executable eeded to get it executed on Windows
+            sys.executable,
+            os.path.join(external_tools_path, "gittool.py"),
+        ],
+    },
+}
diff --git a/testing/mozharness/configs/firefox_ui_tests/taskcluster.py b/testing/mozharness/configs/firefox_ui_tests/taskcluster.py
new file mode 100644
index 0000000000..72cd3d78dd
--- /dev/null
+++ b/testing/mozharness/configs/firefox_ui_tests/taskcluster.py
@@ -0,0 +1,11 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# Config file for firefox ui tests run via TaskCluster.
+
+
+config = {
+    "vcs_share_base": "/builds/hg-shared",
+    "tooltool_cache": "/builds/worker/tooltool-cache",
+}
diff --git a/testing/mozharness/configs/firefox_ui_tests/taskcluster_mac.py b/testing/mozharness/configs/firefox_ui_tests/taskcluster_mac.py
new file mode 100644
index 0000000000..163e133ed5
--- /dev/null
+++ b/testing/mozharness/configs/firefox_ui_tests/taskcluster_mac.py
@@ -0,0 +1,8 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# Configuration over-rides for taskcluter.py, for osx
+config = {
+    "tooltool_cache": "/builds/tooltool_cache",
+}
diff --git a/testing/mozharness/configs/firefox_ui_tests/taskcluster_windows.py b/testing/mozharness/configs/firefox_ui_tests/taskcluster_windows.py
new file mode 100644
index 0000000000..beeaddf120
--- /dev/null
+++ b/testing/mozharness/configs/firefox_ui_tests/taskcluster_windows.py
@@ -0,0 +1,16 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# Config file for firefox ui tests run via TaskCluster.
+
+import os
+import sys
+
+config = {
+    "virtualenv_path": "venv",
+    "exes": {
+        "python": sys.executable,
+        "hg": os.path.join(os.environ["PROGRAMFILES"], "Mercurial", "hg"),
+    },
+}
diff --git a/testing/mozharness/configs/l10n_bumper/jamun.py b/testing/mozharness/configs/l10n_bumper/jamun.py
new file mode 100644
index 0000000000..355f82073a
--- /dev/null
+++ b/testing/mozharness/configs/l10n_bumper/jamun.py
@@ -0,0 +1,83 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import sys
+
+MULTI_REPO = "projects/jamun"
+EXES = {}
+if sys.platform.startswith("linux"):
+    EXES = {
+        # Get around the https warnings
+        "hg": [
+            "/usr/local/bin/hg",
+            "--config",
+            "web.cacerts=/etc/pki/tls/certs/ca-bundle.crt",
+        ],
+        "hgtool.py": ["/usr/local/bin/hgtool.py"],
+    }
+
+
+config = {
+    "log_name": "l10n_bumper",
+    "log_type": "multi",
+    "exes": EXES,
+    "gecko_pull_url": "https://hg.mozilla.org/{}".format(MULTI_REPO),
+    "gecko_push_url": "ssh://hg.mozilla.org/{}".format(MULTI_REPO),
+    "hg_user": "L10n Bumper Bot <release+l10nbumper@mozilla.com>",
+    "ssh_key": "~/.ssh/ffxbld_rsa",
+    "ssh_user": "ffxbld",
+    "vcs_share_base": "/builds/hg-shared",
+    "version_path": "browser/config/version.txt",
+    "status_path": ".l10n_bumper_status",
+    "bump_configs": [
+        {
+            "path": "mobile/locales/l10n-changesets.json",
+            "format": "json",
+            "name": "Fennec l10n changesets",
+            "revision_url": "https://l10n.mozilla.org/shipping/l10n-changesets?av=fennec%(MAJOR_VERSION)s",
+            "platform_configs": [
+                {
+                    "platforms": ["android-arm", "android"],
+                    "path": "mobile/android/locales/all-locales",
+                },
+                {
+                    "platforms": ["android-multilocale"],
+                    "path": "mobile/android/locales/maemo-locales",
+                },
+            ],
+        },
+        {
+            "path": "browser/locales/l10n-changesets.json",
+            "format": "json",
+            "name": "Firefox l10n changesets",
+            "revision_url": "https://l10n.mozilla.org/shipping/l10n-changesets?av=fx%(MAJOR_VERSION)s",
+            "ignore_config": {
+                "ja": ["macosx64"],
+                "ja-JP-mac": ["linux", "linux64", "win32", "win64"],
+            },
+            "platform_configs": [
+                {
+                    "platforms": ["linux64", "linux", "macosx64", "win32", "win64"],
+                    "path": "browser/locales/shipped-locales",
+                    "format": "shipped-locales",
+                }
+            ],
+        },
+        {
+            "path": "browser/locales/central-changesets.json",
+            "format": "json",
+            "name": "Firefox l10n changesets",
+            "ignore_config": {
+                "ja": ["macosx64"],
+                "ja-JP-mac": ["linux", "linux64", "win32", "win64"],
+            },
+            "platform_configs": [
+                {
+                    "platforms": ["linux64", "linux", "macosx64", "win32", "win64"],
+                    "path": "browser/locales/all-locales",
+                }
+            ],
+        },
+    ],
+}
diff --git a/testing/mozharness/configs/l10n_bumper/mozilla-beta.py b/testing/mozharness/configs/l10n_bumper/mozilla-beta.py
new file mode 100644
index 0000000000..4ba7add5de
--- /dev/null
+++ b/testing/mozharness/configs/l10n_bumper/mozilla-beta.py
@@ -0,0 +1,87 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import sys
+
+MULTI_REPO = "releases/mozilla-beta"
+EXES = {}
+if sys.platform.startswith("linux"):
+    EXES = {
+        # Get around the https warnings
+        "hg": [
+            "/usr/local/bin/hg",
+            "--config",
+            "web.cacerts=/etc/pki/tls/certs/ca-bundle.crt",
+        ],
+        "hgtool.py": ["/usr/local/bin/hgtool.py"],
+    }
+
+config = {
+    "log_name": "l10n_bumper",
+    "log_type": "multi",
+    "exes": EXES,
+    "gecko_pull_url": "https://hg.mozilla.org/{}".format(MULTI_REPO),
+    "gecko_push_url": "ssh://hg.mozilla.org/{}".format(MULTI_REPO),
+    "hg_user": "L10n Bumper Bot <release+l10nbumper@mozilla.com>",
+    "ssh_key": "~/.ssh/ffxbld_rsa",
+    "ssh_user": "ffxbld",
+    "vcs_share_base": "/builds/hg-shared",
+    "version_path": "browser/config/version.txt",
+    "status_path": ".l10n_bumper_status",
+    "bump_configs": [
+        {
+            "path": "mobile/locales/l10n-changesets.json",
+            "format": "json",
+            "name": "Fennec l10n changesets",
+            "revision_url": "https://l10n.mozilla.org/shipping/l10n-changesets?av=fennec%(MAJOR_VERSION)s",
+            "platform_configs": [
+                {
+                    "platforms": ["android-multilocale"],
+                    "path": "mobile/android/locales/maemo-locales",
+                }
+            ],
+        },
+        {
+            "path": "browser/locales/l10n-changesets.json",
+            "format": "json",
+            "name": "Firefox l10n changesets",
+            "revision_url": "https://l10n.mozilla.org/shipping/l10n-changesets?av=fx%(MAJOR_VERSION)s",
+            "ignore_config": {
+                "ja": ["macosx64", "macosx64-devedition"],
+                "ja-JP-mac": [
+                    "linux",
+                    "linux-devedition",
+                    "linux64",
+                    "linux64-devedition",
+                    "win32",
+                    "win32-devedition",
+                    "win64",
+                    "win64-devedition",
+                    "win64-aarch64",
+                    "win64-aarch64-devedition",
+                ],
+            },
+            "platform_configs": [
+                {
+                    "platforms": [
+                        "linux",
+                        "linux-devedition",
+                        "linux64",
+                        "linux64-devedition",
+                        "macosx64",
+                        "macosx64-devedition",
+                        "win32",
+                        "win32-devedition",
+                        "win64",
+                        "win64-devedition",
+                        "win64-aarch64",
+                        "win64-aarch64-devedition",
+                    ],
+                    "path": "browser/locales/shipped-locales",
+                    "format": "shipped-locales",
+                }
+            ],
+        },
+    ],
+}
diff --git a/testing/mozharness/configs/l10n_bumper/mozilla-central.py b/testing/mozharness/configs/l10n_bumper/mozilla-central.py
new file mode 100644
index 0000000000..b2bcc1b98f
--- /dev/null
+++ b/testing/mozharness/configs/l10n_bumper/mozilla-central.py
@@ -0,0 +1,88 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import sys
+
+MULTI_REPO = "mozilla-central"
+EXES = {}
+if sys.platform.startswith("linux"):
+    EXES = {
+        # Get around the https warnings
+        "hg": [
+            "/usr/local/bin/hg",
+            "--config",
+            "web.cacerts=/etc/pki/tls/certs/ca-bundle.crt",
+        ],
+        "hgtool.py": ["/usr/local/bin/hgtool.py"],
+    }
+
+config = {
+    "log_name": "l10n_bumper",
+    "log_type": "multi",
+    "exes": EXES,
+    "gecko_pull_url": "https://hg.mozilla.org/{}".format(MULTI_REPO),
+    "gecko_push_url": "ssh://hg.mozilla.org/{}".format(MULTI_REPO),
+    "hg_user": "L10n Bumper Bot <release+l10nbumper@mozilla.com>",
+    "ssh_key": "~/.ssh/ffxbld_rsa",
+    "ssh_user": "ffxbld",
+    "vcs_share_base": "/builds/hg-shared",
+    "version_path": "browser/config/version.txt",
+    "status_path": ".l10n_bumper_status",
+    "bump_configs": [
+        {
+            "path": "mobile/locales/l10n-changesets.json",
+            "format": "json",
+            "name": "Fennec l10n changesets",
+            "platform_configs": [
+                {
+                    "platforms": ["android-arm", "android"],
+                    "path": "mobile/android/locales/all-locales",
+                },
+                {
+                    "platforms": ["android-multilocale"],
+                    "path": "mobile/android/locales/maemo-locales",
+                },
+            ],
+        },
+        {
+            "path": "browser/locales/l10n-changesets.json",
+            "format": "json",
+            "name": "Firefox l10n changesets",
+            "ignore_config": {
+                "ja": ["macosx64", "macosx64-devedition"],
+                "ja-JP-mac": [
+                    "linux",
+                    "linux-devedition",
+                    "linux64",
+                    "linux64-devedition",
+                    "win32",
+                    "win32-devedition",
+                    "win64",
+                    "win64-devedition",
+                    "win64-aarch64",
+                    "win64-aarch64-devedition",
+                ],
+            },
+            "platform_configs": [
+                {
+                    "platforms": [
+                        "linux",
+                        "linux-devedition",
+                        "linux64",
+                        "linux64-devedition",
+                        "macosx64",
+                        "macosx64-devedition",
+                        "win32",
+                        "win32-devedition",
+                        "win64",
+                        "win64-devedition",
+                        "win64-aarch64",
+                        "win64-aarch64-devedition",
+                    ],
+                    "path": "browser/locales/all-locales",
+                }
+            ],
+        },
+    ],
+}
diff --git a/testing/mozharness/configs/l10n_bumper/mozilla-esr68.py b/testing/mozharness/configs/l10n_bumper/mozilla-esr68.py
new file mode 100644
index 0000000000..01a7c85e2d
--- /dev/null
+++ b/testing/mozharness/configs/l10n_bumper/mozilla-esr68.py
@@ -0,0 +1,46 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import sys
+
+MULTI_REPO = "releases/mozilla-esr68"
+EXES = {}
+if sys.platform.startswith("linux"):
+    EXES = {
+        # Get around the https warnings
+        "hg": [
+            "/usr/local/bin/hg",
+            "--config",
+            "web.cacerts=/etc/pki/tls/certs/ca-bundle.crt",
+        ],
+        "hgtool.py": ["/usr/local/bin/hgtool.py"],
+    }
+
+config = {
+    "log_name": "l10n_bumper",
+    "log_type": "multi",
+    "exes": EXES,
+    "gecko_pull_url": "https://hg.mozilla.org/{}".format(MULTI_REPO),
+    "gecko_push_url": "ssh://hg.mozilla.org/{}".format(MULTI_REPO),
+    "hg_user": "L10n Bumper Bot <release+l10nbumper@mozilla.com>",
+    "ssh_key": "~/.ssh/ffxbld_rsa",
+    "ssh_user": "ffxbld",
+    "vcs_share_base": "/builds/hg-shared",
+    "version_path": "mobile/android/config/version-files/release/version.txt",
+    "status_path": ".l10n_bumper_status",
+    "bump_configs": [
+        {
+            "path": "mobile/locales/l10n-changesets.json",
+            "format": "json",
+            "name": "Fennec l10n changesets",
+            "revision_url": "https://l10n.mozilla.org/shipping/l10n-changesets?av=fennec%(COMBINED_MAJOR_VERSION)s",
+            "platform_configs": [
+                {
+                    "platforms": ["android-multilocale"],
+                    "path": "mobile/android/locales/maemo-locales",
+                }
+            ],
+        }
+    ],
+}
diff --git a/testing/mozharness/configs/marionette/mac_taskcluster_config.py b/testing/mozharness/configs/marionette/mac_taskcluster_config.py
new file mode 100644
index 0000000000..2ae326512e
--- /dev/null
+++ b/testing/mozharness/configs/marionette/mac_taskcluster_config.py
@@ -0,0 +1,39 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# Configuration over-rides for prod_config.py, for osx
+
+# OS Specifics
+DISABLE_SCREEN_SAVER = False
+ADJUST_MOUSE_AND_SCREEN = False
+
+#####
+config = {
+    "tooltool_cache": "/builds/tooltool_cache",
+    "run_cmd_checks_enabled": True,
+    "preflight_run_cmd_suites": [
+        # NOTE 'enabled' is only here while we have unconsolidated configs
+        {
+            "name": "disable_screen_saver",
+            "cmd": ["xset", "s", "off", "s", "reset"],
+            "architectures": ["32bit", "64bit"],
+            "halt_on_failure": False,
+            "enabled": DISABLE_SCREEN_SAVER,
+        },
+        {
+            "name": "run mouse & screen adjustment script",
+            "cmd": [
+                # when configs are consolidated this python path will only show
+                # for windows.
+                "python",
+                "../scripts/external_tools/mouse_and_screen_resolution.py",
+                "--configuration-file",
+                "../scripts/external_tools/machine-configuration.json",
+            ],
+            "architectures": ["32bit"],
+            "halt_on_failure": True,
+            "enabled": ADJUST_MOUSE_AND_SCREEN,
+        },
+    ],
+}
diff --git a/testing/mozharness/configs/marionette/prod_config.py b/testing/mozharness/configs/marionette/prod_config.py
new file mode 100644
index 0000000000..18fa4e839f
--- /dev/null
+++ b/testing/mozharness/configs/marionette/prod_config.py
@@ -0,0 +1,66 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# This is a template config file for marionette production.
+HG_SHARE_BASE_DIR = "/builds/hg-shared"
+
+# OS Specifics
+DISABLE_SCREEN_SAVER = True
+ADJUST_MOUSE_AND_SCREEN = False
+
+#####
+config = {
+    # marionette options
+    "marionette_address": "localhost:2828",
+    "test_manifest": "unit-tests.toml",
+    "vcs_share_base": HG_SHARE_BASE_DIR,
+    "default_actions": [
+        "clobber",
+        "download-and-extract",
+        "create-virtualenv",
+        "install",
+        "run-tests",
+    ],
+    "tooltool_cache": "/builds/worker/tooltool-cache",
+    "suite_definitions": {
+        "marionette_desktop": {
+            "options": [
+                "-vv",
+                "--log-errorsummary=%(error_summary_file)s",
+                "--log-html=%(html_report_file)s",
+                "--binary=%(binary)s",
+                "--address=%(address)s",
+                "--symbols-path=%(symbols_path)s",
+            ],
+            "run_filename": "",
+            "testsdir": "marionette",
+        }
+    },
+    "run_cmd_checks_enabled": True,
+    "preflight_run_cmd_suites": [
+        # NOTE 'enabled' is only here while we have unconsolidated configs
+        {
+            "name": "disable_screen_saver",
+            "cmd": ["xset", "s", "off", "s", "reset"],
+            "halt_on_failure": False,
+            "architectures": ["32bit", "64bit"],
+            "enabled": DISABLE_SCREEN_SAVER,
+        },
+        {
+            "name": "run mouse & screen adjustment script",
+            "cmd": [
+                # when configs are consolidated this python path will only show
+                # for windows.
+                "python",
+                "../scripts/external_tools/mouse_and_screen_resolution.py",
+                "--configuration-file",
+                "../scripts/external_tools/machine-configuration.json",
+            ],
+            "architectures": ["32bit"],
+            "halt_on_failure": True,
+            "enabled": ADJUST_MOUSE_AND_SCREEN,
+        },
+    ],
+    "structured_output": True,
+}
diff --git a/testing/mozharness/configs/marionette/test_config.py b/testing/mozharness/configs/marionette/test_config.py
new file mode 100644
index 0000000000..f2c6e6bbf8
--- /dev/null
+++ b/testing/mozharness/configs/marionette/test_config.py
@@ -0,0 +1,28 @@
+# This is a template config file for marionette test.
+
+config = {
+    # marionette options
+    "marionette_address": "localhost:2828",
+    "test_manifest": "unit-tests.toml",
+    "default_actions": [
+        "clobber",
+        "download-and-extract",
+        "create-virtualenv",
+        "install",
+        "run-tests",
+    ],
+    "suite_definitions": {
+        "marionette_desktop": {
+            "options": [
+                "-vv",
+                "--log-errorsummary=%(error_summary_file)s",
+                "--log-html=%(html_report_file)s",
+                "--binary=%(binary)s",
+                "--address=%(address)s",
+                "--symbols-path=%(symbols_path)s",
+            ],
+            "run_filename": "",
+            "testsdir": "marionette",
+        },
+    },
+}
diff --git a/testing/mozharness/configs/marionette/windows_config.py b/testing/mozharness/configs/marionette/windows_config.py
new file mode 100644
index 0000000000..e100eb2fb2
--- /dev/null
+++ b/testing/mozharness/configs/marionette/windows_config.py
@@ -0,0 +1,36 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# This is a template config file for marionette production on Windows.
+config = {
+    # marionette options
+    "marionette_address": "localhost:2828",
+    "test_manifest": "unit-tests.toml",
+    "virtualenv_path": "venv",
+    "exes": {
+        "python": "c:/mozilla-build/python27/python",
+        "hg": "c:/mozilla-build/hg/hg",
+    },
+    "default_actions": [
+        "clobber",
+        "download-and-extract",
+        "create-virtualenv",
+        "install",
+        "run-tests",
+    ],
+    "suite_definitions": {
+        "marionette_desktop": {
+            "options": [
+                "-vv",
+                "--log-errorsummary=%(error_summary_file)s",
+                "--log-html=%(html_report_file)s",
+                "--binary=%(binary)s",
+                "--address=%(address)s",
+                "--symbols-path=%(symbols_path)s",
+            ],
+            "run_filename": "",
+            "testsdir": "marionette",
+        },
+    },
+}
diff --git a/testing/mozharness/configs/marionette/windows_taskcluster_config.py b/testing/mozharness/configs/marionette/windows_taskcluster_config.py
new file mode 100644
index 0000000000..a503885c66
--- /dev/null
+++ b/testing/mozharness/configs/marionette/windows_taskcluster_config.py
@@ -0,0 +1,146 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# This is a template config file for marionette production on Windows.
+import os
+import platform
+import sys
+
+# OS Specifics
+DISABLE_SCREEN_SAVER = False
+ADJUST_MOUSE_AND_SCREEN = True
+DESKTOP_VISUALFX_THEME = {
+    "Let Windows choose": 0,
+    "Best appearance": 1,
+    "Best performance": 2,
+    "Custom": 3,
+}.get("Best appearance")
+TASKBAR_AUTOHIDE_REG_PATH = {
+    "Windows 7": "HKCU:SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StuckRects2",
+    "Windows 10": "HKCU:SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StuckRects3",
+}.get("{} {}".format(platform.system(), platform.release()))
+
+#####
+config = {
+    # marionette options
+    "marionette_address": "localhost:2828",
+    "test_manifest": "unit-tests.toml",
+    "virtualenv_path": "venv",
+    "exes": {
+        "python": sys.executable,
+        "hg": os.path.join(os.environ["PROGRAMFILES"], "Mercurial", "hg"),
+    },
+    "default_actions": [
+        "clobber",
+        "download-and-extract",
+        "create-virtualenv",
+        "install",
+        "run-tests",
+    ],
+    "suite_definitions": {
+        "marionette_desktop": {
+            "options": [
+                "-vv",
+                "--log-errorsummary=%(error_summary_file)s",
+                "--log-html=%(html_report_file)s",
+                "--binary=%(binary)s",
+                "--address=%(address)s",
+                "--symbols-path=%(symbols_path)s",
+            ],
+            "run_filename": "",
+            "testsdir": "marionette",
+        },
+    },
+    "run_cmd_checks_enabled": True,
+    "preflight_run_cmd_suites": [
+        {
+            "name": "disable_screen_saver",
+            "cmd": ["xset", "s", "off", "s", "reset"],
+            "architectures": ["32bit", "64bit"],
+            "halt_on_failure": False,
+            "enabled": DISABLE_SCREEN_SAVER,
+        },
+        {
+            "name": "run mouse & screen adjustment script",
+            "cmd": [
+                sys.executable,
+                os.path.join(
+                    os.getcwd(),
+                    "mozharness",
+                    "external_tools",
+                    "mouse_and_screen_resolution.py",
+                ),
+                "--configuration-file",
+                os.path.join(
+                    os.getcwd(),
+                    "mozharness",
+                    "external_tools",
+                    "machine-configuration.json",
+                ),
+            ],
+            "architectures": ["32bit", "64bit"],
+            "halt_on_failure": True,
+            "enabled": ADJUST_MOUSE_AND_SCREEN,
+        },
+        {
+            "name": "disable windows security and maintenance notifications",
+            "cmd": [
+                "powershell",
+                "-command",
+                r"\"&{$p='HKCU:SOFTWARE\Microsoft\Windows\CurrentVersion\Notifications\Settings\Windows.SystemToast.SecurityAndMaintenance';if(!(Test-Path -Path $p)){&New-Item -Path $p -Force}&Set-ItemProperty -Path $p -Name Enabled -Value 0}\"",  # noqa
+            ],
+            "architectures": ["32bit", "64bit"],
+            "halt_on_failure": True,
+            "enabled": (platform.release() == 10),
+        },
+        {
+            "name": "set windows VisualFX",
+            "cmd": [
+                "powershell",
+                "-command",
+                "\"&{{&Set-ItemProperty -Path 'HKCU:Software\Microsoft\Windows\CurrentVersion\Explorer\VisualEffects' -Name VisualFXSetting -Value {}}}\"".format(
+                    DESKTOP_VISUALFX_THEME
+                ),
+            ],
+            "architectures": ["32bit", "64bit"],
+            "halt_on_failure": True,
+            "enabled": True,
+        },
+        {
+            "name": "create scrollbars always show key",
+            "cmd": [
+                "powershell",
+                "-command",
+                "New-ItemProperty -Path 'HKCU:\Control Panel\Accessibility' -Name 'DynamicScrollbars' -Value 0",
+            ],
+            "architectures": ["32bit", "64bit"],
+            "halt_on_failure": False,
+            "enabled": True,
+        },
+        {
+            "name": "hide windows taskbar",
+            "cmd": [
+                "powershell",
+                "-command",
+                "\"&{{$p='{}';$v=(Get-ItemProperty -Path $p).Settings;$v[8]=3;&Set-ItemProperty -Path $p -Name Settings -Value $v}}\"".format(
+                    TASKBAR_AUTOHIDE_REG_PATH
+                ),
+            ],
+            "architectures": ["32bit", "64bit"],
+            "halt_on_failure": True,
+            "enabled": True,
+        },
+        {
+            "name": "restart windows explorer",
+            "cmd": [
+                "powershell",
+                "-command",
+                '"&{&Stop-Process -ProcessName explorer}"',
+            ],
+            "architectures": ["32bit", "64bit"],
+            "halt_on_failure": True,
+            "enabled": True,
+        },
+    ],
+}
diff --git a/testing/mozharness/configs/multi_locale/android-mozharness-build.json b/testing/mozharness/configs/multi_locale/android-mozharness-build.json
new file mode 100644
index 0000000000..178119b048
--- /dev/null
+++ b/testing/mozharness/configs/multi_locale/android-mozharness-build.json
@@ -0,0 +1,11 @@
+{
+  "log_name": "multilocale",
+  "locales_dir": "mobile/android/locales",
+  "ignore_locales": ["en-US", "multi"],
+  "vcs_share_base": "/builds/hg-shared",
+  "hg_l10n_base": "https://hg.mozilla.org/l10n-central",
+  "hg_l10n_tag": "default",
+  "work_dir": "build",
+  "locales_file": "mobile/locales/l10n-changesets.json",
+  "locales_platform": "android-multilocale"
+}
diff --git a/testing/mozharness/configs/openh264/linux32.py b/testing/mozharness/configs/openh264/linux32.py
new file mode 100644
index 0000000000..1955f1fa8c
--- /dev/null
+++ b/testing/mozharness/configs/openh264/linux32.py
@@ -0,0 +1,41 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+import mozharness
+
+external_tools_path = os.path.join(
+    os.path.abspath(os.path.dirname(os.path.dirname(mozharness.__file__))),
+    "external_tools",
+)
+
+config = {
+    "exes": {
+        "gittool.py": [os.path.join(external_tools_path, "gittool.py")],
+        "python3": "python3",
+    },
+    "dump_syms_binary": "{}/dump_syms/dump_syms".format(os.environ["MOZ_FETCHES_DIR"]),
+    "arch": "x86",
+    "operating_system": "linux",
+    "partial_env": {
+        "CXXFLAGS": (
+            "--sysroot {MOZ_FETCHES_DIR}/sysroot-i686-linux-gnu".format(
+                MOZ_FETCHES_DIR=os.environ["MOZ_FETCHES_DIR"]
+            )
+        ),
+        "LDFLAGS": (
+            "--sysroot {MOZ_FETCHES_DIR}/sysroot-i686-linux-gnu".format(
+                MOZ_FETCHES_DIR=os.environ["MOZ_FETCHES_DIR"]
+            )
+        ),
+        "PATH": (
+            "{MOZ_FETCHES_DIR}/clang/bin:"
+            "{MOZ_FETCHES_DIR}/binutils/bin:"
+            "{MOZ_FETCHES_DIR}/nasm:%(PATH)s".format(
+                MOZ_FETCHES_DIR=os.environ["MOZ_FETCHES_DIR"]
+            )
+        ),
+    },
+}
diff --git a/testing/mozharness/configs/openh264/linux64-aarch64.py b/testing/mozharness/configs/openh264/linux64-aarch64.py
new file mode 100644
index 0000000000..beeca3ae73
--- /dev/null
+++ b/testing/mozharness/configs/openh264/linux64-aarch64.py
@@ -0,0 +1,42 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+import mozharness
+
+external_tools_path = os.path.join(
+    os.path.abspath(os.path.dirname(os.path.dirname(mozharness.__file__))),
+    "external_tools",
+)
+
+config = {
+    "exes": {
+        "gittool.py": [os.path.join(external_tools_path, "gittool.py")],
+        "python3": "python3",
+    },
+    "dump_syms_binary": "{}/dump_syms/dump_syms".format(os.environ["MOZ_FETCHES_DIR"]),
+    "arch": "aarch64",
+    "operating_system": "linux",
+    "partial_env": {
+        "CFLAGS": (
+            "-target aarch64-linux-gnu "
+            "--sysroot {MOZ_FETCHES_DIR}/sysroot-aarch64-linux-gnu".format(
+                MOZ_FETCHES_DIR=os.environ["MOZ_FETCHES_DIR"]
+            )
+        ),
+        "LDFLAGS": (
+            "-target aarch64-linux-gnu "
+            "--sysroot {MOZ_FETCHES_DIR}/sysroot-aarch64-linux-gnu".format(
+                MOZ_FETCHES_DIR=os.environ["MOZ_FETCHES_DIR"]
+            )
+        ),
+        "PATH": (
+            "{MOZ_FETCHES_DIR}/clang/bin:"
+            "{MOZ_FETCHES_DIR}/binutils/bin:%(PATH)s".format(
+                MOZ_FETCHES_DIR=os.environ["MOZ_FETCHES_DIR"]
+            )
+        ),
+    },
+}
diff --git a/testing/mozharness/configs/openh264/linux64.py b/testing/mozharness/configs/openh264/linux64.py
new file mode 100644
index 0000000000..bc5aecf015
--- /dev/null
+++ b/testing/mozharness/configs/openh264/linux64.py
@@ -0,0 +1,41 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+import mozharness
+
+external_tools_path = os.path.join(
+    os.path.abspath(os.path.dirname(os.path.dirname(mozharness.__file__))),
+    "external_tools",
+)
+
+config = {
+    "exes": {
+        "gittool.py": [os.path.join(external_tools_path, "gittool.py")],
+        "python3": "python3",
+    },
+    "dump_syms_binary": "{}/dump_syms/dump_syms".format(os.environ["MOZ_FETCHES_DIR"]),
+    "arch": "x64",
+    "operating_system": "linux",
+    "partial_env": {
+        "CXXFLAGS": (
+            "--sysroot {MOZ_FETCHES_DIR}/sysroot-x86_64-linux-gnu".format(
+                MOZ_FETCHES_DIR=os.environ["MOZ_FETCHES_DIR"]
+            )
+        ),
+        "LDFLAGS": (
+            "--sysroot {MOZ_FETCHES_DIR}/sysroot-x86_64-linux-gnu".format(
+                MOZ_FETCHES_DIR=os.environ["MOZ_FETCHES_DIR"]
+            )
+        ),
+        "PATH": (
+            "{MOZ_FETCHES_DIR}/clang/bin:"
+            "{MOZ_FETCHES_DIR}/binutils/bin:"
+            "{MOZ_FETCHES_DIR}/nasm:%(PATH)s".format(
+                MOZ_FETCHES_DIR=os.environ["MOZ_FETCHES_DIR"]
+            )
+        ),
+    },
+}
diff --git a/testing/mozharness/configs/openh264/macosx64-aarch64.py b/testing/mozharness/configs/openh264/macosx64-aarch64.py
new file mode 100644
index 0000000000..829863d456
--- /dev/null
+++ b/testing/mozharness/configs/openh264/macosx64-aarch64.py
@@ -0,0 +1,43 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+import mozharness
+
+external_tools_path = os.path.join(
+    os.path.abspath(os.path.dirname(os.path.dirname(mozharness.__file__))),
+    "external_tools",
+)
+
+config = {
+    "exes": {
+        "gittool.py": [os.path.join(external_tools_path, "gittool.py")],
+        "python3": "python3",
+    },
+    "dump_syms_binary": "{}/dump_syms/dump_syms".format(os.environ["MOZ_FETCHES_DIR"]),
+    "arch": "aarch64",
+    "operating_system": "darwin",
+    "partial_env": {
+        "CFLAGS": (
+            "-target aarch64-apple-darwin -mcpu=apple-a12 "
+            "-isysroot {MOZ_FETCHES_DIR}/MacOSX13.3.sdk "
+            "-mmacosx-version-min=11.0".format(
+                MOZ_FETCHES_DIR=os.environ["MOZ_FETCHES_DIR"]
+            )
+        ),
+        "LDFLAGS": (
+            "-target aarch64-apple-darwin -mcpu=apple-a12 "
+            "-isysroot {MOZ_FETCHES_DIR}/MacOSX13.3.sdk "
+            "-mmacosx-version-min=11.0".format(
+                MOZ_FETCHES_DIR=os.environ["MOZ_FETCHES_DIR"]
+            )
+        ),
+        "PATH": (
+            "{MOZ_FETCHES_DIR}/clang/bin/:{MOZ_FETCHES_DIR}/cctools/bin/:%(PATH)s".format(
+                MOZ_FETCHES_DIR=os.environ["MOZ_FETCHES_DIR"]
+            )
+        ),
+    },
+}
diff --git a/testing/mozharness/configs/openh264/macosx64.py b/testing/mozharness/configs/openh264/macosx64.py
new file mode 100644
index 0000000000..0f4dbd1698
--- /dev/null
+++ b/testing/mozharness/configs/openh264/macosx64.py
@@ -0,0 +1,45 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+import mozharness
+
+external_tools_path = os.path.join(
+    os.path.abspath(os.path.dirname(os.path.dirname(mozharness.__file__))),
+    "external_tools",
+)
+
+config = {
+    "exes": {
+        "gittool.py": [os.path.join(external_tools_path, "gittool.py")],
+        "python3": "python3",
+    },
+    "dump_syms_binary": "{}/dump_syms/dump_syms".format(os.environ["MOZ_FETCHES_DIR"]),
+    "arch": "x64",
+    "operating_system": "darwin",
+    "partial_env": {
+        "CXXFLAGS": (
+            "-target x86_64-apple-darwin "
+            "-isysroot {MOZ_FETCHES_DIR}/MacOSX13.3.sdk "
+            "-mmacosx-version-min=10.12".format(
+                MOZ_FETCHES_DIR=os.environ["MOZ_FETCHES_DIR"]
+            )
+        ),
+        "LDFLAGS": (
+            "-target x86_64-apple-darwin "
+            "-isysroot {MOZ_FETCHES_DIR}/MacOSX13.3.sdk "
+            "-mmacosx-version-min=10.12".format(
+                MOZ_FETCHES_DIR=os.environ["MOZ_FETCHES_DIR"]
+            )
+        ),
+        "PATH": (
+            "{MOZ_FETCHES_DIR}/clang/bin:"
+            "{MOZ_FETCHES_DIR}/cctools/bin:"
+            "{MOZ_FETCHES_DIR}/nasm:%(PATH)s".format(
+                MOZ_FETCHES_DIR=os.environ["MOZ_FETCHES_DIR"]
+            )
+        ),
+    },
+}
diff --git a/testing/mozharness/configs/openh264/tooltool-manifests/win.manifest b/testing/mozharness/configs/openh264/tooltool-manifests/win.manifest
new file mode 100644
index 0000000000..5ec9a8377a
--- /dev/null
+++ b/testing/mozharness/configs/openh264/tooltool-manifests/win.manifest
@@ -0,0 +1,10 @@
+[
+  {
+    "version": "Visual Studio 2017 15.8.4 / SDK 10.0.17134.0",
+    "digest": "ecf1e03f6f98f86775059a43f9e7dc7e326f6643d7c08962d9f614e4f5a65b1ca63fa1cfeb0f1a3c2474bf0d4318dda960b378beb2a44ecf8a91111207f4ece5",
+    "size": 349626009,
+    "algorithm": "sha512",
+    "filename": "vs2017_15.8.4.zip",
+    "unpack": true
+  }
+]
diff --git a/testing/mozharness/configs/openh264/tooltool-manifests/win64-aarch64.manifest b/testing/mozharness/configs/openh264/tooltool-manifests/win64-aarch64.manifest
new file mode 100644
index 0000000000..4989d3a4ee
--- /dev/null
+++ b/testing/mozharness/configs/openh264/tooltool-manifests/win64-aarch64.manifest
@@ -0,0 +1,11 @@
+[
+  {
+    "version": "Visual Studio 2017 15.9.6 / SDK 10.0.17134.0",
+    "size": 490015895,
+    "visibility": "internal",
+    "digest": "91d08703a8ce39f6f53ccecc7c7b6f57e1b571ddb5d1eb4dd9260e52580566c35a4bed39ad366fd60ca60ebf5c06f0f00561bba5cd631826511f2872a3d2dcd5",
+    "algorithm": "sha512",
+    "filename": "vs2017_15.9.6.zip",
+    "unpack": true
+  }
+]
diff --git a/testing/mozharness/configs/openh264/win32.py b/testing/mozharness/configs/openh264/win32.py
new file mode 100644
index 0000000000..6b07072200
--- /dev/null
+++ b/testing/mozharness/configs/openh264/win32.py
@@ -0,0 +1,52 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+import sys
+
+import mozharness
+
+external_tools_path = os.path.join(
+    os.path.abspath(os.path.dirname(os.path.dirname(mozharness.__file__))),
+    "external_tools",
+)
+
+VSPATH = "%(abs_work_dir)s\\vs2017_15.8.4"
+config = {
+    "tooltool_manifest_file": "win.manifest",
+    "exes": {
+        "gittool.py": [sys.executable, os.path.join(external_tools_path, "gittool.py")],
+        "python3": "c:\\mozilla-build\\python\\python3.exe",
+    },
+    "dump_syms_binary": "{}/dump_syms/dump_syms.exe".format(
+        os.environ["MOZ_FETCHES_DIR"]
+    ),
+    "arch": "x86",
+    "partial_env": {
+        "PATH": (
+            "{MOZ_FETCHES_DIR}\\clang\\bin\\;"
+            "{MOZ_FETCHES_DIR}\\nasm;"
+            "{_VSPATH}\\VC\\bin\\Hostx64\\x64;%(PATH)s"
+            # 32-bit redist here for our dump_syms.exe
+            "{_VSPATH}/VC/redist/x86/Microsoft.VC141.CRT;"
+            "{_VSPATH}/SDK/Redist/ucrt/DLLs/x86;"
+            "{_VSPATH}/DIA SDK/bin"
+        ).format(_VSPATH=VSPATH, MOZ_FETCHES_DIR=os.environ["MOZ_FETCHES_DIR"]),
+        "INCLUDES": (
+            "-I{_VSPATH}\\VC\\include "
+            "-I{_VSPATH}\\VC\\atlmfc\\include "
+            "-I{_VSPATH}\\SDK\\Include\\10.0.17134.0\\ucrt "
+            "-I{_VSPATH}\\SDK\\Include\\10.0.17134.0\\shared "
+            "-I{_VSPATH}\\SDK\\Include\\10.0.17134.0\\um "
+            "-I{_VSPATH}\\SDK\\Include\\10.0.17134.0\\winrt "
+        ).format(_VSPATH=VSPATH),
+        "LIB": (
+            "{_VSPATH}/VC/lib/x86;"
+            "{_VSPATH}/VC/atlmfc/lib/x86;"
+            "{_VSPATH}/SDK/lib/10.0.17134.0/ucrt/x86;"
+            "{_VSPATH}/SDK/lib/10.0.17134.0/um/x86;"
+        ).format(_VSPATH=VSPATH),
+        "CFLAGS": ("-m32"),
+    },
+}
diff --git a/testing/mozharness/configs/openh264/win64-aarch64.py b/testing/mozharness/configs/openh264/win64-aarch64.py
new file mode 100644
index 0000000000..5546c4fabc
--- /dev/null
+++ b/testing/mozharness/configs/openh264/win64-aarch64.py
@@ -0,0 +1,53 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+import sys
+
+import mozharness
+
+external_tools_path = os.path.join(
+    os.path.abspath(os.path.dirname(os.path.dirname(mozharness.__file__))),
+    "external_tools",
+)
+
+VSPATH = "%(abs_work_dir)s\\vs2017_15.9.6"
+config = {
+    "tooltool_manifest_file": "win64-aarch64.manifest",
+    "exes": {
+        "gittool.py": [sys.executable, os.path.join(external_tools_path, "gittool.py")],
+        "python3": "c:\\mozilla-build\\python\\python3.exe",
+    },
+    "dump_syms_binary": "{}/dump_syms/dump_syms.exe".format(
+        os.environ["MOZ_FETCHES_DIR"]
+    ),
+    "arch": "aarch64",
+    "partial_env": {
+        "PATH": (
+            "%(abs_work_dir)s\\openh264;"
+            "{MOZ_FETCHES_DIR}\\clang\\bin\\;"
+            "{_VSPATH}\\VC\\bin\\Hostx64\\arm64;"
+            "{_VSPATH}\\VC\\bin\\Hostx64\\x64;"
+            # 32-bit redist here for our dump_syms.exe
+            "{_VSPATH}/VC/redist/x86/Microsoft.VC141.CRT;"
+            "{_VSPATH}/SDK/Redist/ucrt/DLLs/x86;"
+            "{_VSPATH}/DIA SDK/bin;%(PATH)s;"
+        ).format(_VSPATH=VSPATH, MOZ_FETCHES_DIR=os.environ["MOZ_FETCHES_DIR"]),
+        "INCLUDES": (
+            "-I{_VSPATH}\\VC\\include "
+            "-I{_VSPATH}\\VC\\atlmfc\\include "
+            "-I{_VSPATH}\\SDK\\Include\\10.0.17134.0\\ucrt "
+            "-I{_VSPATH}\\SDK\\Include\\10.0.17134.0\\shared "
+            "-I{_VSPATH}\\SDK\\Include\\10.0.17134.0\\um "
+            "-I{_VSPATH}\\SDK\\Include\\10.0.17134.0\\winrt "
+        ).format(_VSPATH=VSPATH),
+        "LIB": (
+            "{_VSPATH}/VC/lib/arm64;"
+            "{_VSPATH}/VC/atlmfc/lib/arm64;"
+            "{_VSPATH}/SDK/lib/10.0.17134.0/ucrt/arm64;"
+            "{_VSPATH}/SDK/lib/10.0.17134.0/um/arm64;"
+        ).format(_VSPATH=VSPATH),
+        "CFLAGS": ("--target=aarch64-windows-msvc"),
+    },
+}
diff --git a/testing/mozharness/configs/openh264/win64.py b/testing/mozharness/configs/openh264/win64.py
new file mode 100644
index 0000000000..c561dbc67a
--- /dev/null
+++ b/testing/mozharness/configs/openh264/win64.py
@@ -0,0 +1,51 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+import sys
+
+import mozharness
+
+external_tools_path = os.path.join(
+    os.path.abspath(os.path.dirname(os.path.dirname(mozharness.__file__))),
+    "external_tools",
+)
+
+VSPATH = "%(abs_work_dir)s\\vs2017_15.8.4"
+config = {
+    "tooltool_manifest_file": "win.manifest",
+    "exes": {
+        "gittool.py": [sys.executable, os.path.join(external_tools_path, "gittool.py")],
+        "python3": "c:\\mozilla-build\\python\\python3.exe",
+    },
+    "dump_syms_binary": "{}/dump_syms/dump_syms.exe".format(
+        os.environ["MOZ_FETCHES_DIR"]
+    ),
+    "arch": "x64",
+    "partial_env": {
+        "PATH": (
+            "{MOZ_FETCHES_DIR}\\clang\\bin\\;"
+            "{MOZ_FETCHES_DIR}\\nasm;"
+            "{_VSPATH}\\VC\\bin\\Hostx64\\x64;%(PATH)s;"
+            # 32-bit redist here for our dump_syms.exe
+            "{_VSPATH}/VC/redist/x86/Microsoft.VC141.CRT;"
+            "{_VSPATH}/SDK/Redist/ucrt/DLLs/x86;"
+            "{_VSPATH}/DIA SDK/bin"
+        ).format(_VSPATH=VSPATH, MOZ_FETCHES_DIR=os.environ["MOZ_FETCHES_DIR"]),
+        "INCLUDES": (
+            "-I{_VSPATH}\\VC\\include "
+            "-I{_VSPATH}\\VC\\atlmfc\\include "
+            "-I{_VSPATH}\\SDK\\Include\\10.0.17134.0\\ucrt "
+            "-I{_VSPATH}\\SDK\\Include\\10.0.17134.0\\shared "
+            "-I{_VSPATH}\\SDK\\Include\\10.0.17134.0\\um "
+            "-I{_VSPATH}\\SDK\\Include\\10.0.17134.0\\winrt "
+        ).format(_VSPATH=VSPATH),
+        "LIB": (
+            "{_VSPATH}/VC/lib/x64;"
+            "{_VSPATH}/VC/atlmfc/lib/x64;"
+            "{_VSPATH}/SDK/lib/10.0.17134.0/ucrt/x64;"
+            "{_VSPATH}/SDK/lib/10.0.17134.0/um/x64;"
+        ).format(_VSPATH=VSPATH),
+    },
+}
diff --git a/testing/mozharness/configs/partner_repacks/release_mozilla-release_desktop.py b/testing/mozharness/configs/partner_repacks/release_mozilla-release_desktop.py
new file mode 100644
index 0000000000..0e7ff90dd8
--- /dev/null
+++ b/testing/mozharness/configs/partner_repacks/release_mozilla-release_desktop.py
@@ -0,0 +1,19 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "appName": "Firefox",
+    "log_name": "partner_repack",
+    "repack_manifests_url": "git@github.com:mozilla-partners/repack-manifests.git",
+    "repo_file": "https://raw.githubusercontent.com/mozilla-releng/git-repo/main/repo",
+    "secret_files": [
+        {
+            "filename": "/builds/partner-github-ssh",
+            "secret_name": "project/releng/gecko/build/level-%(scm-level)s/partner-github-ssh",
+            "min_scm_level": 1,
+            "mode": 0o600,
+        },
+    ],
+    "ssh_key": "/builds/partner-github-ssh",
+}
diff --git a/testing/mozharness/configs/partner_repacks/release_mozilla-release_desktop_EME-free.py b/testing/mozharness/configs/partner_repacks/release_mozilla-release_desktop_EME-free.py
new file mode 100644
index 0000000000..dde2a7a605
--- /dev/null
+++ b/testing/mozharness/configs/partner_repacks/release_mozilla-release_desktop_EME-free.py
@@ -0,0 +1,19 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "appName": "Firefox",
+    "log_name": "partner_repack",
+    "repack_manifests_url": "git@github.com:mozilla-partners/mozilla-EME-free-manifest.git",
+    "repo_file": "https://raw.githubusercontent.com/mozilla-releng/git-repo/main/repo",
+    "secret_files": [
+        {
+            "filename": "/builds/partner-github-ssh",
+            "secret_name": "project/releng/gecko/build/level-%(scm-level)s/partner-github-ssh",
+            "min_scm_level": 1,
+            "mode": 0o600,
+        },
+    ],
+    "ssh_key": "/builds/partner-github-ssh",
+}
diff --git a/testing/mozharness/configs/partner_repacks/staging_release_mozilla-release_desktop.py b/testing/mozharness/configs/partner_repacks/staging_release_mozilla-release_desktop.py
new file mode 100644
index 0000000000..0e7ff90dd8
--- /dev/null
+++ b/testing/mozharness/configs/partner_repacks/staging_release_mozilla-release_desktop.py
@@ -0,0 +1,19 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "appName": "Firefox",
+    "log_name": "partner_repack",
+    "repack_manifests_url": "git@github.com:mozilla-partners/repack-manifests.git",
+    "repo_file": "https://raw.githubusercontent.com/mozilla-releng/git-repo/main/repo",
+    "secret_files": [
+        {
+            "filename": "/builds/partner-github-ssh",
+            "secret_name": "project/releng/gecko/build/level-%(scm-level)s/partner-github-ssh",
+            "min_scm_level": 1,
+            "mode": 0o600,
+        },
+    ],
+    "ssh_key": "/builds/partner-github-ssh",
+}
diff --git a/testing/mozharness/configs/raptor/android_hw_config.py b/testing/mozharness/configs/raptor/android_hw_config.py
new file mode 100644
index 0000000000..81118b497b
--- /dev/null
+++ b/testing/mozharness/configs/raptor/android_hw_config.py
@@ -0,0 +1,27 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "log_name": "raptor",
+    "title": os.uname()[1].lower().split(".")[0],
+    "default_actions": [
+        "clobber",
+        "download-and-extract",
+        "populate-webroot",
+        "create-virtualenv",
+        "install-chrome-android",
+        "install-chromium-distribution",
+        "install",
+        "run-tests",
+    ],
+    "tooltool_cache": "/builds/tooltool_cache",
+    "download_tooltool": True,
+    "hostutils_manifest_path": "testing/config/tooltool-manifests/linux64/hostutils.manifest",
+}
+
+# raptor will pick these up in mitmproxy.py, doesn't use the mozharness config
+os.environ["TOOLTOOLCACHE"] = config["tooltool_cache"]
+os.environ["HOSTUTILS_MANIFEST_PATH"] = config["hostutils_manifest_path"]
diff --git a/testing/mozharness/configs/raptor/linux64_config_taskcluster.py b/testing/mozharness/configs/raptor/linux64_config_taskcluster.py
new file mode 100644
index 0000000000..e3b2870c92
--- /dev/null
+++ b/testing/mozharness/configs/raptor/linux64_config_taskcluster.py
@@ -0,0 +1,32 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+import sys
+
+PYTHON = sys.executable
+VENV_PATH = "%s/build/venv" % os.getcwd()
+
+exes = {
+    "python": PYTHON,
+}
+ABS_WORK_DIR = os.path.join(os.getcwd(), "build")
+INSTALLER_PATH = os.path.join(ABS_WORK_DIR, "installer.tar.bz2")
+
+config = {
+    "log_name": "raptor",
+    "installer_path": INSTALLER_PATH,
+    "virtualenv_path": VENV_PATH,
+    "exes": exes,
+    "title": os.uname()[1].lower().split(".")[0],
+    "default_actions": [
+        "clobber",
+        "download-and-extract",
+        "populate-webroot",
+        "create-virtualenv",
+        "install",
+        "run-tests",
+    ],
+    "tooltool_cache": "/builds/worker/tooltool-cache",
+}
diff --git a/testing/mozharness/configs/raptor/linux_config.py b/testing/mozharness/configs/raptor/linux_config.py
new file mode 100644
index 0000000000..7fffe20bb6
--- /dev/null
+++ b/testing/mozharness/configs/raptor/linux_config.py
@@ -0,0 +1,24 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+VENV_PATH = "%s/build/venv" % os.getcwd()
+
+config = {
+    "log_name": "raptor",
+    "installer_path": "installer.exe",
+    "virtualenv_path": VENV_PATH,
+    "title": os.uname()[1].lower().split(".")[0],
+    "default_actions": [
+        "clobber",
+        "download-and-extract",
+        "populate-webroot",
+        "create-virtualenv",
+        "install-chromium-distribution",
+        "install",
+        "run-tests",
+    ],
+    "tooltool_cache": "/builds/tooltool_cache",
+}
diff --git a/testing/mozharness/configs/raptor/mac_config.py b/testing/mozharness/configs/raptor/mac_config.py
new file mode 100644
index 0000000000..b3d8a0177f
--- /dev/null
+++ b/testing/mozharness/configs/raptor/mac_config.py
@@ -0,0 +1,27 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+VENV_PATH = "%s/build/venv" % os.getcwd()
+
+config = {
+    "log_name": "raptor",
+    "installer_path": "installer.exe",
+    "virtualenv_path": VENV_PATH,
+    "title": os.uname()[1].lower().split(".")[0],
+    "default_actions": [
+        "clobber",
+        "download-and-extract",
+        "populate-webroot",
+        "create-virtualenv",
+        "install-chromium-distribution",
+        "install",
+        "run-tests",
+    ],
+    "run_cmd_checks_enabled": True,
+    "preflight_run_cmd_suites": [],
+    "postflight_run_cmd_suites": [],
+    "tooltool_cache": "/builds/tooltool_cache",
+}
diff --git a/testing/mozharness/configs/raptor/windows_config.py b/testing/mozharness/configs/raptor/windows_config.py
new file mode 100644
index 0000000000..9eed74b696
--- /dev/null
+++ b/testing/mozharness/configs/raptor/windows_config.py
@@ -0,0 +1,77 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+import socket
+import sys
+
+PYTHON = sys.executable
+VENV_PATH = os.path.join(os.getcwd(), "build/venv")
+
+PYWIN32 = "pywin32==306"
+
+config = {
+    "log_name": "raptor",
+    "installer_path": "installer.exe",
+    "virtualenv_path": VENV_PATH,
+    "virtualenv_modules": [PYWIN32, "raptor", "mozinstall"],
+    "exes": {
+        "python": PYTHON,
+        "mozinstall": [
+            "%s/scripts/python" % VENV_PATH,
+            "%s/scripts/mozinstall-script.py" % VENV_PATH,
+        ],
+        "hg": os.path.join(os.environ["PROGRAMFILES"], "Mercurial", "hg"),
+        "tooltool.py": [
+            PYTHON,
+            os.path.join(os.environ["MOZILLABUILD"], "tooltool.py"),
+        ],
+    },
+    "title": socket.gethostname().split(".")[0],
+    "default_actions": [
+        "clobber",
+        "download-and-extract",
+        "populate-webroot",
+        "create-virtualenv",
+        "install-chromium-distribution",
+        "install",
+        "run-tests",
+    ],
+    "tooltool_cache": os.path.join("c:\\", "build", "tooltool_cache"),
+    "python3_manifest": {
+        "win32": "python3.manifest",
+        "win64": "python3_x64.manifest",
+    },
+    "env": {
+        # python3 requires C runtime, found in firefox installation; see bug 1361732
+        "PATH": "%(PATH)s;c:\\slave\\test\\build\\application\\firefox;"
+    },
+    "run_cmd_checks_enabled": True,
+    "preflight_run_cmd_suites": [
+        {
+            "name": "run mouse & screen adjustment script",
+            "cmd": [
+                sys.executable,
+                os.path.join(
+                    os.getcwd(),
+                    "mozharness",
+                    "external_tools",
+                    "mouse_and_screen_resolution.py",
+                ),
+                "--configuration-file",
+                os.path.join(
+                    os.getcwd(),
+                    "mozharness",
+                    "external_tools",
+                    "machine-configuration.json",
+                ),
+                "--platform",
+                "win10-hw",
+            ],
+            "architectures": ["32bit", "64bit"],
+            "halt_on_failure": True,
+            "enabled": True,
+        }
+    ],
+}
diff --git a/testing/mozharness/configs/raptor/windows_vm_config.py b/testing/mozharness/configs/raptor/windows_vm_config.py
new file mode 100644
index 0000000000..7bd5e9da58
--- /dev/null
+++ b/testing/mozharness/configs/raptor/windows_vm_config.py
@@ -0,0 +1,46 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+import socket
+import sys
+
+PYTHON = sys.executable
+VENV_PATH = os.path.join(os.getcwd(), "build/venv")
+
+PYWIN32 = "pywin32==306"
+
+config = {
+    "log_name": "raptor",
+    "installer_path": "installer.exe",
+    "virtualenv_path": VENV_PATH,
+    "virtualenv_modules": [PYWIN32, "raptor", "mozinstall"],
+    "exes": {
+        "python": PYTHON,
+        "mozinstall": [
+            "%s/scripts/python" % VENV_PATH,
+            "%s/scripts/mozinstall-script.py" % VENV_PATH,
+        ],
+        "hg": os.path.join(os.environ["PROGRAMFILES"], "Mercurial", "hg"),
+    },
+    "title": socket.gethostname().split(".")[0],
+    "default_actions": [
+        "clobber",
+        "download-and-extract",
+        "populate-webroot",
+        "create-virtualenv",
+        "install-chromium-distribution",
+        "install",
+        "run-tests",
+    ],
+    "tooltool_cache": os.path.join("c:\\", "build", "tooltool_cache"),
+    "python3_manifest": {
+        "win32": "python3.manifest",
+        "win64": "python3_x64.manifest",
+    },
+    "env": {
+        # python3 requires C runtime, found in firefox installation; see bug 1361732
+        "PATH": "%(PATH)s;c:\\slave\\test\\build\\application\\firefox;"
+    },
+}
diff --git a/testing/mozharness/configs/releases/bouncer_firefox_beta.py b/testing/mozharness/configs/releases/bouncer_firefox_beta.py
new file mode 100644
index 0000000000..fa3ece116c
--- /dev/null
+++ b/testing/mozharness/configs/releases/bouncer_firefox_beta.py
@@ -0,0 +1,152 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# lint_ignore=E501
+config = {
+    "products": {
+        # for installers, stubs, msi (ie not updates) ...
+        # products containing "latest" are for www.mozilla.org via cron-bouncer-check
+        # products using versions are for release automation via release-bouncer-check-firefox
+        "installer": {
+            "product-name": "Firefox-%(version)s",
+            "platforms": [
+                "linux",
+                "linux64",
+                "osx",
+                "win",
+                "win64",
+                "win64-aarch64",
+            ],
+        },
+        "installer-latest": {
+            "product-name": "Firefox-beta-latest",
+            "platforms": [
+                "linux",
+                "linux64",
+                "osx",
+                "win",
+                "win64",
+                "win64-aarch64",
+            ],
+        },
+        "installer-ssl": {
+            "product-name": "Firefox-%(version)s-SSL",
+            "platforms": [
+                "linux",
+                "linux64",
+                "osx",
+                "win",
+                "win64",
+                "win64-aarch64",
+            ],
+        },
+        "installer-latest-ssl": {
+            "product-name": "Firefox-beta-latest-SSL",
+            "platforms": [
+                "linux",
+                "linux64",
+                "osx",
+                "win",
+                "win64",
+                "win64-aarch64",
+            ],
+        },
+        "msi": {
+            "product-name": "Firefox-%(version)s-msi-SSL",
+            "platforms": [
+                "win",
+                "win64",
+            ],
+        },
+        "msi-latest": {
+            "product-name": "Firefox-beta-msi-latest-SSL",
+            "platforms": [
+                "win",
+                "win64",
+            ],
+        },
+        "msix": {
+            "product-name": "Firefox-%(version)s-msix-SSL",
+            "platforms": [
+                "win",
+                "win64",
+            ],
+        },
+        "msix-latest": {
+            "product-name": "Firefox-beta-msix-latest-SSL",
+            "platforms": [
+                "win",
+                "win64",
+            ],
+        },
+        "pkg": {
+            "product-name": "Firefox-%(version)s-pkg-SSL",
+            "platforms": ["osx"],
+        },
+        "pkg-latest": {
+            "product-name": "Firefox-beta-pkg-latest-SSL",
+            "platforms": ["osx"],
+        },
+        "stub-installer": {
+            "product-name": "Firefox-%(version)s-stub",
+            "platforms": [
+                "win",
+                "win64",
+                "win64-aarch64",
+            ],
+        },
+        "stub-installer-latest": {
+            "product-name": "Firefox-beta-stub",
+            "platforms": [
+                "win",
+                "win64",
+                "win64-aarch64",
+            ],
+        },
+        "langpack": {
+            "product-name": "Firefox-%(version)s-langpack-SSL",
+            "platforms": [
+                "linux",
+                "linux64",
+                "osx",
+                "win",
+                "win64",
+            ],
+        },
+        "langpack-latest": {
+            "product-name": "Firefox-beta-langpack-latest-SSL",
+            "platforms": [
+                "linux",
+                "linux64",
+                "osx",
+                "win",
+                "win64",
+            ],
+        },
+        "complete-mar": {
+            "product-name": "Firefox-%(version)s-Complete",
+            "platforms": [
+                "linux",
+                "linux64",
+                "osx",
+                "win",
+                "win64",
+                "win64-aarch64",
+            ],
+        },
+    },
+    "partials": {
+        "releases-dir": {
+            "product-name": "Firefox-%(version)s-Partial-%(prev_version)s",
+            "platforms": [
+                "linux",
+                "linux64",
+                "osx",
+                "win",
+                "win64",
+                "win64-aarch64",
+            ],
+        },
+    },
+}
diff --git a/testing/mozharness/configs/releases/bouncer_firefox_devedition.py b/testing/mozharness/configs/releases/bouncer_firefox_devedition.py
new file mode 100644
index 0000000000..3b736dc74e
--- /dev/null
+++ b/testing/mozharness/configs/releases/bouncer_firefox_devedition.py
@@ -0,0 +1,124 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# lint_ignore=E501
+config = {
+    "products": {
+        # for installers, stubs, msi (ie not updates) ...
+        # products containing "latest" are for www.mozilla.org via cron-bouncer-check
+        # products using versions are for release automation via release-bouncer-check-firefox
+        "installer": {
+            "product-name": "Devedition-%(version)s",
+            "platforms": [
+                "linux",
+                "linux64",
+                "osx",
+                "win",
+                "win64",
+                "win64-aarch64",
+            ],
+        },
+        "installer-latest": {
+            "product-name": "Firefox-devedition-latest",
+            "platforms": [
+                "linux",
+                "linux64",
+                "osx",
+                "win",
+                "win64",
+                "win64-aarch64",
+            ],
+        },
+        "installer-ssl": {
+            "product-name": "Devedition-%(version)s-SSL",
+            "platforms": [
+                "linux",
+                "linux64",
+                "osx",
+                "win",
+                "win64",
+                "win64-aarch64",
+            ],
+        },
+        "installer-latest-ssl": {
+            "product-name": "Firefox-devedition-latest-SSL",
+            "platforms": [
+                "linux",
+                "linux64",
+                "osx",
+                "win",
+                "win64",
+                "win64-aarch64",
+            ],
+        },
+        "msi": {
+            "product-name": "Devedition-%(version)s-msi-SSL",
+            "platforms": [
+                "win",
+                "win64",
+            ],
+        },
+        "msi-latest": {
+            "product-name": "Firefox-devedition-msi-latest-SSL",
+            "platforms": [
+                "win",
+                "win64",
+            ],
+        },
+        "msix": {
+            "product-name": "Devedition-%(version)s-msix-SSL",
+            "platforms": [
+                "win",
+                "win64",
+            ],
+        },
+        "msix-latest": {
+            "product-name": "Firefox-devedition-msix-latest-SSL",
+            "platforms": [
+                "win",
+                "win64",
+            ],
+        },
+        "stub-installer": {
+            "product-name": "Devedition-%(version)s-stub",
+            "platforms": [
+                "win",
+                "win64",
+                "win64-aarch64",
+            ],
+        },
+        "stub-installer-latest": {
+            "product-name": "Firefox-devedition-stub",
+            "platforms": [
+                "win",
+                "win64",
+                "win64-aarch64",
+            ],
+        },
+        "complete-mar": {
+            "product-name": "Devedition-%(version)s-Complete",
+            "platforms": [
+                "linux",
+                "linux64",
+                "osx",
+                "win",
+                "win64",
+                "win64-aarch64",
+            ],
+        },
+    },
+    "partials": {
+        "releases-dir": {
+            "product-name": "Devedition-%(version)s-Partial-%(prev_version)s",
+            "platforms": [
+                "linux",
+                "linux64",
+                "osx",
+                "win",
+                "win64",
+                "win64-aarch64",
+            ],
+        },
+    },
+}
diff --git a/testing/mozharness/configs/releases/bouncer_firefox_esr.py b/testing/mozharness/configs/releases/bouncer_firefox_esr.py
new file mode 100644
index 0000000000..21528c2aac
--- /dev/null
+++ b/testing/mozharness/configs/releases/bouncer_firefox_esr.py
@@ -0,0 +1,186 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# lint_ignore=E501
+config = {
+    "products": {
+        # for installers, stubs, msi (ie not updates) ...
+        # products containing "latest" are for www.mozilla.org via cron-bouncer-check
+        # products using versions are for release automation via release-bouncer-check-firefox
+        "installer": {
+            "product-name": "Firefox-%(version)s",
+            "platforms": [
+                "linux",
+                "linux64",
+                "osx",
+                "win",
+                "win64",
+                "win64-aarch64",
+            ],
+        },
+        "installer-latest": {
+            "product-name": "Firefox-esr-latest",
+            "platforms": [
+                "linux",
+                "linux64",
+                "osx",
+                "win",
+                "win64",
+                "win64-aarch64",
+            ],
+        },
+        "installer-next-latest": {
+            "product-name": "Firefox-esr-next-latest",
+            "platforms": [
+                "linux",
+                "linux64",
+                "osx",
+                "win",
+                "win64",
+                "win64-aarch64",
+            ],
+        },
+        "installer-ssl": {
+            "product-name": "Firefox-%(version)s-SSL",
+            "platforms": [
+                "linux",
+                "linux64",
+                "osx",
+                "win",
+                "win64",
+                "win64-aarch64",
+            ],
+        },
+        "installer-latest-ssl": {
+            "product-name": "Firefox-esr-latest-SSL",
+            "platforms": [
+                "linux",
+                "linux64",
+                "osx",
+                "win",
+                "win64",
+                "win64-aarch64",
+            ],
+        },
+        "installer-next-latest-ssl": {
+            "product-name": "Firefox-esr-next-latest-SSL",
+            "platforms": [
+                "linux",
+                "linux64",
+                "osx",
+                "win",
+                "win64",
+                "win64-aarch64",
+            ],
+        },
+        "msi": {
+            "product-name": "Firefox-%(version)s-msi-SSL",
+            "platforms": [
+                "win",
+                "win64",
+            ],
+        },
+        "msi-latest": {
+            "product-name": "Firefox-esr-msi-latest-SSL",
+            "platforms": [
+                "win",
+                "win64",
+            ],
+        },
+        "msi-next-latest": {
+            "product-name": "Firefox-esr-next-msi-latest-SSL",
+            "platforms": [
+                "win",
+                "win64",
+            ],
+        },
+        "msix": {
+            "product-name": "Firefox-%(version)s-msix-SSL",
+            "platforms": [
+                "win",
+                "win64",
+            ],
+        },
+        "msix-latest": {
+            "product-name": "Firefox-esr-msix-latest-SSL",
+            "platforms": [
+                "win",
+                "win64",
+            ],
+        },
+        "msix-next-latest": {
+            "product-name": "Firefox-esr-next-msix-latest-SSL",
+            "platforms": [
+                "win",
+                "win64",
+            ],
+        },
+        "pkg": {
+            "product-name": "Firefox-%(version)s-pkg-SSL",
+            "platforms": ["osx"],
+        },
+        "pkg-latest": {
+            "product-name": "Firefox-esr-pkg-latest-SSL",
+            "platforms": ["osx"],
+        },
+        "pkg-next-latest": {
+            "product-name": "Firefox-esr-next-pkg-latest-SSL",
+            "platforms": ["osx"],
+        },
+        "langpack": {
+            "product-name": "Firefox-%(version)s-langpack-SSL",
+            "platforms": [
+                "linux",
+                "linux64",
+                "osx",
+                "win",
+                "win64",
+            ],
+        },
+        "langpack-latest": {
+            "product-name": "Firefox-esr-langpack-latest-SSL",
+            "platforms": [
+                "linux",
+                "linux64",
+                "osx",
+                "win",
+                "win64",
+            ],
+        },
+        "langpack-latest-next": {
+            "product-name": "Firefox-esr-next-langpack-latest-SSL",
+            "platforms": [
+                "linux",
+                "linux64",
+                "osx",
+                "win",
+                "win64",
+            ],
+        },
+        "complete-mar": {
+            "product-name": "Firefox-%(version)s-Complete",
+            "platforms": [
+                "linux",
+                "linux64",
+                "osx",
+                "win",
+                "win64",
+                "win64-aarch64",
+            ],
+        },
+    },
+    "partials": {
+        "releases-dir": {
+            "product-name": "Firefox-%(version)s-Partial-%(prev_version)s",
+            "platforms": [
+                "linux",
+                "linux64",
+                "osx",
+                "win",
+                "win64",
+                "win64-aarch64",
+            ],
+        },
+    },
+}
diff --git a/testing/mozharness/configs/releases/bouncer_firefox_nightly.py b/testing/mozharness/configs/releases/bouncer_firefox_nightly.py
new file mode 100644
index 0000000000..09d52fe4a3
--- /dev/null
+++ b/testing/mozharness/configs/releases/bouncer_firefox_nightly.py
@@ -0,0 +1,80 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# lint_ignore=E501
+config = {
+    "products": {
+        "installer-latest": {
+            "product-name": "Firefox-nightly-latest",
+            "platforms": [
+                "linux",
+                "linux64",
+                "osx",
+                "win",
+                "win64",
+                "win64-aarch64",
+            ],
+        },
+        "installer-latest-ssl": {
+            "product-name": "Firefox-nightly-latest-SSL",
+            "platforms": [
+                "linux",
+                "linux64",
+                "osx",
+                "win",
+                "win64",
+                "win64-aarch64",
+            ],
+        },
+        "installer-latest-l10n-ssl": {
+            "product-name": "Firefox-nightly-latest-l10n-SSL",
+            "platforms": [
+                "linux",
+                "linux64",
+                "osx",
+                "win",
+                "win64",
+                "win64-aarch64",
+            ],
+        },
+        "msi-latest": {
+            "product-name": "Firefox-nightly-msi-latest-SSL",
+            "platforms": [
+                "win",
+                "win64",
+            ],
+        },
+        "msi-latest-l10n": {
+            "product-name": "Firefox-nightly-msi-latest-l10n-SSL",
+            "platforms": [
+                "win",
+                "win64",
+            ],
+        },
+        "stub-installer": {
+            "product-name": "Firefox-nightly-stub",
+            "platforms": [
+                "win",
+                "win64",
+                "win64-aarch64",
+            ],
+        },
+        "stub-installer-l10n": {
+            "product-name": "Firefox-nightly-stub-l10n",
+            "platforms": [
+                "win",
+                "win64",
+                "win64-aarch64",
+            ],
+        },
+        "pkg-latest": {
+            "product-name": "Firefox-nightly-pkg-latest-ssl",
+            "platforms": ["osx"],
+        },
+        "pkg-latest-l10n": {
+            "product-name": "Firefox-nightly-pkg-latest-l10n-ssl",
+            "platforms": ["osx"],
+        },
+    },
+}
diff --git a/testing/mozharness/configs/releases/bouncer_firefox_release.py b/testing/mozharness/configs/releases/bouncer_firefox_release.py
new file mode 100644
index 0000000000..0259e4ad57
--- /dev/null
+++ b/testing/mozharness/configs/releases/bouncer_firefox_release.py
@@ -0,0 +1,152 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# lint_ignore=E501
+config = {
+    "products": {
+        # for installers, stubs, msi (ie not updates) ...
+        # products containing "latest" are for www.mozilla.org via cron-bouncer-check
+        # products using versions are for release automation via release-bouncer-check-firefox
+        "installer": {
+            "product-name": "Firefox-%(version)s",
+            "platforms": [
+                "linux",
+                "linux64",
+                "osx",
+                "win",
+                "win64",
+                "win64-aarch64",
+            ],
+        },
+        "installer-latest": {
+            "product-name": "Firefox-latest",
+            "platforms": [
+                "linux",
+                "linux64",
+                "osx",
+                "win",
+                "win64",
+                "win64-aarch64",
+            ],
+        },
+        "installer-ssl": {
+            "product-name": "Firefox-%(version)s-SSL",
+            "platforms": [
+                "linux",
+                "linux64",
+                "osx",
+                "win",
+                "win64",
+                "win64-aarch64",
+            ],
+        },
+        "installer-latest-ssl": {
+            "product-name": "Firefox-latest-SSL",
+            "platforms": [
+                "linux",
+                "linux64",
+                "osx",
+                "win",
+                "win64",
+                "win64-aarch64",
+            ],
+        },
+        "msi": {
+            "product-name": "Firefox-%(version)s-msi-SSL",
+            "platforms": [
+                "win",
+                "win64",
+            ],
+        },
+        "msi-latest": {
+            "product-name": "Firefox-msi-latest-SSL",
+            "platforms": [
+                "win",
+                "win64",
+            ],
+        },
+        "msix": {
+            "product-name": "Firefox-%(version)s-msix-SSL",
+            "platforms": [
+                "win",
+                "win64",
+            ],
+        },
+        "msix-latest": {
+            "product-name": "Firefox-msix-latest-SSL",
+            "platforms": [
+                "win",
+                "win64",
+            ],
+        },
+        "langpack": {
+            "product-name": "Firefox-%(version)s-langpack-SSL",
+            "platforms": [
+                "linux",
+                "linux64",
+                "osx",
+                "win",
+                "win64",
+            ],
+        },
+        "langpack-latest": {
+            "product-name": "Firefox-langpack-latest-SSL",
+            "platforms": [
+                "linux",
+                "linux64",
+                "osx",
+                "win",
+                "win64",
+            ],
+        },
+        "stub-installer": {
+            "product-name": "Firefox-%(version)s-stub",
+            "platforms": [
+                "win",
+                "win64",
+                "win64-aarch64",
+            ],
+        },
+        "stub-installer-latest": {
+            "product-name": "Firefox-stub",
+            "platforms": [
+                "win",
+                "win64",
+                "win64-aarch64",
+            ],
+        },
+        "pkg": {
+            "product-name": "Firefox-%(version)s-pkg-SSL",
+            "platforms": ["osx"],
+        },
+        "pkg-latest": {
+            "product-name": "Firefox-pkg-latest-SSL",
+            "platforms": ["osx"],
+        },
+        "complete-mar": {
+            "product-name": "Firefox-%(version)s-Complete",
+            "platforms": [
+                "linux",
+                "linux64",
+                "osx",
+                "win",
+                "win64",
+                "win64-aarch64",
+            ],
+        },
+    },
+    "partials": {
+        "releases-dir": {
+            "product-name": "Firefox-%(version)s-Partial-%(prev_version)s",
+            "platforms": [
+                "linux",
+                "linux64",
+                "osx",
+                "win",
+                "win64",
+                "win64-aarch64",
+            ],
+        },
+    },
+}
diff --git a/testing/mozharness/configs/releases/dev_postrelease_fennec_beta.py b/testing/mozharness/configs/releases/dev_postrelease_fennec_beta.py
new file mode 100644
index 0000000000..1b0038db75
--- /dev/null
+++ b/testing/mozharness/configs/releases/dev_postrelease_fennec_beta.py
@@ -0,0 +1,24 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    # maple is used for staging mozilla-beta
+    "log_name": "bump_maple",
+    "version_files": [{"file": "browser/config/version_display.txt"}],
+    "repo": {
+        # maple is used for staging mozilla-beta
+        "repo": "https://hg.mozilla.org/projects/maple",
+        "branch": "default",
+        "dest": "maple",
+        "vcs": "hg",
+        "clone_upstream_url": "https://hg.mozilla.org/mozilla-unified",
+    },
+    # maple is used for staging mozilla-beta
+    "push_dest": "ssh://hg.mozilla.org/projects/maple",
+    "ignore_no_changes": True,
+    "ssh_user": "ffxbld",
+    "ssh_key": "~/.ssh/ffxbld_rsa",
+    "ship_it_root": "https://ship-it-dev.allizom.org",
+    "ship_it_username": "ship_it-stage-ffxbld",
+}
diff --git a/testing/mozharness/configs/releases/dev_postrelease_fennec_release.py b/testing/mozharness/configs/releases/dev_postrelease_fennec_release.py
new file mode 100644
index 0000000000..5205ad41cc
--- /dev/null
+++ b/testing/mozharness/configs/releases/dev_postrelease_fennec_release.py
@@ -0,0 +1,26 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "log_name": "bump_release_dev",
+    "version_files": [
+        {"file": "browser/config/version.txt"},
+        {"file": "browser/config/version_display.txt"},
+        {"file": "config/milestone.txt"},
+    ],
+    "repo": {
+        # jamun is used for staging mozilla-release
+        "repo": "https://hg.mozilla.org/projects/jamun",
+        "branch": "default",
+        "dest": "jamun",
+        "vcs": "hg",
+        "clone_upstream_url": "https://hg.mozilla.org/mozilla-unified",
+    },
+    "push_dest": "ssh://hg.mozilla.org/projects/jamun",
+    "ignore_no_changes": True,
+    "ssh_user": "ffxbld",
+    "ssh_key": "~/.ssh/ffxbld_rsa",
+    "ship_it_root": "https://ship-it-dev.allizom.org",
+    "ship_it_username": "ship_it-stage-ffxbld",
+}
diff --git a/testing/mozharness/configs/releases/dev_postrelease_firefox_beta.py b/testing/mozharness/configs/releases/dev_postrelease_firefox_beta.py
new file mode 100644
index 0000000000..ce7ff54bd5
--- /dev/null
+++ b/testing/mozharness/configs/releases/dev_postrelease_firefox_beta.py
@@ -0,0 +1,24 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    # date is used for staging mozilla-beta
+    "log_name": "bump_date",
+    "version_files": [{"file": "browser/config/version_display.txt"}],
+    "repo": {
+        # maple is used for staging mozilla-beta
+        "repo": "https://hg.mozilla.org/projects/jamun",
+        "branch": "default",
+        "dest": "jamun",
+        "vcs": "hg",
+        "clone_upstream_url": "https://hg.mozilla.org/mozilla-unified",
+    },
+    # date is used for staging mozilla-beta
+    "push_dest": "ssh://hg.mozilla.org/projects/jamun",
+    "ignore_no_changes": True,
+    "ssh_user": "ffxbld",
+    "ssh_key": "~/.ssh/ffxbld_rsa",
+    "ship_it_root": "https://ship-it-dev.allizom.org",
+    "ship_it_username": "ship_it-stage-ffxbld",
+}
diff --git a/testing/mozharness/configs/releases/dev_postrelease_firefox_release.py b/testing/mozharness/configs/releases/dev_postrelease_firefox_release.py
new file mode 100644
index 0000000000..5205ad41cc
--- /dev/null
+++ b/testing/mozharness/configs/releases/dev_postrelease_firefox_release.py
@@ -0,0 +1,26 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "log_name": "bump_release_dev",
+    "version_files": [
+        {"file": "browser/config/version.txt"},
+        {"file": "browser/config/version_display.txt"},
+        {"file": "config/milestone.txt"},
+    ],
+    "repo": {
+        # jamun is used for staging mozilla-release
+        "repo": "https://hg.mozilla.org/projects/jamun",
+        "branch": "default",
+        "dest": "jamun",
+        "vcs": "hg",
+        "clone_upstream_url": "https://hg.mozilla.org/mozilla-unified",
+    },
+    "push_dest": "ssh://hg.mozilla.org/projects/jamun",
+    "ignore_no_changes": True,
+    "ssh_user": "ffxbld",
+    "ssh_key": "~/.ssh/ffxbld_rsa",
+    "ship_it_root": "https://ship-it-dev.allizom.org",
+    "ship_it_username": "ship_it-stage-ffxbld",
+}
diff --git a/testing/mozharness/configs/releases/dev_postrelease_firefox_release_birch.py b/testing/mozharness/configs/releases/dev_postrelease_firefox_release_birch.py
new file mode 100644
index 0000000000..47593625f2
--- /dev/null
+++ b/testing/mozharness/configs/releases/dev_postrelease_firefox_release_birch.py
@@ -0,0 +1,26 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "log_name": "bump_release_dev",
+    "version_files": [
+        {"file": "browser/config/version.txt"},
+        {"file": "browser/config/version_display.txt"},
+        {"file": "config/milestone.txt"},
+    ],
+    "repo": {
+        # jamun is used for staging mozilla-release
+        "repo": "https://hg.mozilla.org/projects/birch",
+        "branch": "default",
+        "dest": "birch",
+        "vcs": "hg",
+        "clone_upstream_url": "https://hg.mozilla.org/mozilla-unified",
+    },
+    "push_dest": "ssh://hg.mozilla.org/projects/birch",
+    "ignore_no_changes": True,
+    "ssh_user": "ffxbld",
+    "ssh_key": "~/.ssh/ffxbld_rsa",
+    "ship_it_root": "https://ship-it-dev.allizom.org",
+    "ship_it_username": "ship_it-stage-ffxbld",
+}
diff --git a/testing/mozharness/configs/releases/dev_updates_firefox_beta.py b/testing/mozharness/configs/releases/dev_updates_firefox_beta.py
new file mode 100644
index 0000000000..9c60d1e9ce
--- /dev/null
+++ b/testing/mozharness/configs/releases/dev_updates_firefox_beta.py
@@ -0,0 +1,42 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "log_name": "bump_beta_dev",
+    # TODO: use real repo
+    "repo": {
+        "repo": "https://hg.mozilla.org/users/stage-ffxbld/tools",
+        "branch": "default",
+        "dest": "tools",
+        "vcs": "hg",
+    },
+    "vcs_share_base": "/builds/hg-shared",
+    # TODO: use real repo
+    "push_dest": "ssh://hg.mozilla.org/users/stage-ffxbld/tools",
+    # jamun repo used for staging beta
+    "shipped-locales-url": "https://hg.mozilla.org/projects/jamun/raw-file/{revision}/browser/locales/shipped-locales",
+    "ignore_no_changes": True,
+    "ssh_user": "ffxbld",
+    "ssh_key": "~/.ssh/ffxbld_rsa",
+    "archive_domain": "ftp.stage.mozaws.net",
+    "archive_prefix": "https://ftp.stage.mozaws.net/pub",
+    "previous_archive_prefix": "https://archive.mozilla.org/pub",
+    "download_domain": "download.mozilla.org",
+    "balrog_url": "http://54.90.211.22:9090",
+    "balrog_username": "balrog-stage-ffxbld",
+    "update_channels": {
+        "beta": {
+            "version_regex": r"^(\d+\.\d+(b\d+)?)$",
+            "requires_mirrors": True,
+            # TODO - when we use a real repo, rename this file # s/MozJamun/Mozbeta/
+            "patcher_config": "mozJamun-branch-patcher2.cfg",
+            "update_verify_channel": "beta-localtest",
+            "mar_channel_ids": [],
+            "channel_names": ["beta", "beta-localtest", "beta-cdntest"],
+            "rules_to_update": ["firefox-beta-cdntest", "firefox-beta-localtest"],
+            "publish_rules": [32],
+        }
+    },
+    "balrog_use_dummy_suffix": False,
+}
diff --git a/testing/mozharness/configs/releases/dev_updates_firefox_devedition.py b/testing/mozharness/configs/releases/dev_updates_firefox_devedition.py
new file mode 100644
index 0000000000..2b2406be39
--- /dev/null
+++ b/testing/mozharness/configs/releases/dev_updates_firefox_devedition.py
@@ -0,0 +1,45 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "log_name": "updates_devedition",
+    # TODO: use real repo
+    "repo": {
+        "repo": "https://hg.mozilla.org/users/asasaki_mozilla.com/tools",
+        "branch": "default",
+        "dest": "tools",
+        "vcs": "hg",
+    },
+    "vcs_share_base": "/builds/hg-shared",
+    # TODO: use real repo
+    "push_dest": "ssh://hg.mozilla.org/users/asasaki_mozilla.com/tools",
+    # maple repo used for staging beta
+    "shipped-locales-url": "https://hg.mozilla.org/projects/maple/raw-file/{revision}/browser/locales/shipped-locales",
+    "ignore_no_changes": True,
+    "ssh_user": "ffxbld",
+    "ssh_key": "~/.ssh/ffxbld_rsa",
+    "archive_domain": "ftp.stage.mozaws.net",
+    "archive_prefix": "https://ftp.stage.mozaws.net/pub",
+    "previous_archive_prefix": "https://archive.mozilla.org/pub",
+    "download_domain": "download.mozilla.org",
+    "balrog_url": "https://stage.balrog.nonprod.cloudops.mozgcp.net/",
+    "balrog_username": "balrog-stage-ffxbld",
+    "update_channels": {
+        "aurora": {
+            "version_regex": r"^(\d+\.\d+(b\d+)?)$",
+            "requires_mirrors": True,
+            # TODO - when we use a real repo, rename this file # s/MozJamun/Mozbeta/
+            "patcher_config": "mozDevedition-branch-patcher2.cfg",
+            "patcher_config_product_override": "firefox",
+            "update_verify_channel": "aurora-localtest",
+            "mar_channel_ids": [],
+            "channel_names": ["aurora", "aurora-localtest", "aurora-cdntest"],
+            "rules_to_update": ["devedition-cdntest", "devedition-localtest"],
+            "publish_rules": [10],
+        }
+    },
+    "balrog_use_dummy_suffix": False,
+    "stage_product": "devedition",
+    "bouncer_product": "devedition",
+}
diff --git a/testing/mozharness/configs/releases/dev_updates_firefox_release.py b/testing/mozharness/configs/releases/dev_updates_firefox_release.py
new file mode 100644
index 0000000000..1413ae1031
--- /dev/null
+++ b/testing/mozharness/configs/releases/dev_updates_firefox_release.py
@@ -0,0 +1,55 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "log_name": "updates_release_dev",
+    # TODO: use real repo
+    "repo": {
+        "repo": "https://hg.mozilla.org/users/stage-ffxbld/tools",
+        "branch": "default",
+        "dest": "tools",
+        "vcs": "hg",
+    },
+    "vcs_share_base": "/builds/hg-shared",
+    # TODO: use real repo
+    "push_dest": "ssh://hg.mozilla.org/users/stage-ffxbld/tools",
+    # jamun  repo used for staging release
+    "shipped-locales-url": "https://hg.mozilla.org/projects/jamun/raw-file/{revision}/browser/locales/shipped-locales",
+    "ignore_no_changes": True,
+    "ssh_user": "ffxbld",
+    "ssh_key": "~/.ssh/ffxbld_rsa",
+    "archive_domain": "ftp.stage.mozaws.net",
+    "archive_prefix": "https://ftp.stage.mozaws.net/pub",
+    "previous_archive_prefix": "https://archive.mozilla.org/pub",
+    "download_domain": "download.mozilla.org",
+    "balrog_url": "http://54.90.211.22:9090",
+    "balrog_username": "balrog-stage-ffxbld",
+    "update_channels": {
+        "beta": {
+            "version_regex": r"^(\d+\.\d+(b\d+)?)$",
+            "requires_mirrors": False,
+            "patcher_config": "mozDate-branch-patcher2.cfg",
+            "update_verify_channel": "beta-localtest",
+            "mar_channel_ids": [
+                "firefox-mozilla-beta",
+                "firefox-mozilla-release",
+            ],
+            "channel_names": ["beta", "beta-localtest", "beta-cdntest"],
+            "rules_to_update": ["firefox-beta-cdntest", "firefox-beta-localtest"],
+            "publish_rules": [32],
+            "schedule_asap": True,
+        },
+        "release": {
+            "version_regex": r"^\d+\.\d+(\.\d+)?$",
+            "requires_mirrors": True,
+            "patcher_config": "mozJamun-branch-patcher2.cfg",
+            "update_verify_channel": "release-localtest",
+            "mar_channel_ids": [],
+            "channel_names": ["release", "release-localtest", "release-cdntest"],
+            "rules_to_update": ["firefox-release-cdntest", "firefox-release-localtest"],
+            "publish_rules": [145],
+        },
+    },
+    "balrog_use_dummy_suffix": False,
+}
diff --git a/testing/mozharness/configs/releases/dev_updates_firefox_release_birch.py b/testing/mozharness/configs/releases/dev_updates_firefox_release_birch.py
new file mode 100644
index 0000000000..8ea3ebd76a
--- /dev/null
+++ b/testing/mozharness/configs/releases/dev_updates_firefox_release_birch.py
@@ -0,0 +1,55 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "log_name": "updates_release_dev",
+    # TODO: use real repo
+    "repo": {
+        "repo": "https://hg.mozilla.org/users/bhearsum_mozilla.com/tools",
+        "branch": "default",
+        "dest": "tools",
+        "vcs": "hg",
+    },
+    "vcs_share_base": "/builds/hg-shared",
+    # TODO: use real repo
+    "push_dest": "ssh://hg.mozilla.org/users/bhearsum_mozilla.com/tools",
+    # birch repo used for staging release
+    "shipped-locales-url": "https://hg.mozilla.org/projects/birch/raw-file/{revision}/browser/locales/shipped-locales",
+    "ignore_no_changes": True,
+    "ssh_user": "ffxbld",
+    "ssh_key": "~/.ssh/ffxbld_rsa",
+    "archive_domain": "ftp.stage.mozaws.net",
+    "archive_prefix": "https://ftp.stage.mozaws.net/pub",
+    "previous_archive_prefix": "https://archive.mozilla.org/pub",
+    "download_domain": "download.mozilla.org",
+    "balrog_url": "https://stage.balrog.nonprod.cloudops.mozgcp.net/",
+    "balrog_username": "balrog-stage-ffxbld",
+    "update_channels": {
+        "beta": {
+            "version_regex": r"^(\d+\.\d+(b\d+)?)$",
+            "requires_mirrors": False,
+            "patcher_config": "mozBeta-branch-patcher2.cfg",
+            "update_verify_channel": "beta-localtest",
+            "mar_channel_ids": [
+                "firefox-mozilla-beta",
+                "firefox-mozilla-release",
+            ],
+            "channel_names": ["beta", "beta-localtest", "beta-cdntest"],
+            "rules_to_update": ["firefox-beta-cdntest", "firefox-beta-localtest"],
+            "publish_rules": [32],
+            "schedule_asap": True,
+        },
+        "release": {
+            "version_regex": r"^\d+\.\d+(\.\d+)?$",
+            "requires_mirrors": True,
+            "patcher_config": "mozRelease-branch-patcher2.cfg",
+            "update_verify_channel": "release-localtest",
+            "mar_channel_ids": [],
+            "channel_names": ["release", "release-localtest", "release-cdntest"],
+            "rules_to_update": ["firefox-release-cdntest", "firefox-release-localtest"],
+            "publish_rules": [145],
+        },
+    },
+    "balrog_use_dummy_suffix": False,
+}
diff --git a/testing/mozharness/configs/releases/updates_firefox_beta.py b/testing/mozharness/configs/releases/updates_firefox_beta.py
new file mode 100644
index 0000000000..8e4bfa9e7d
--- /dev/null
+++ b/testing/mozharness/configs/releases/updates_firefox_beta.py
@@ -0,0 +1,38 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "log_name": "updates_beta",
+    "repo": {
+        "repo": "https://hg.mozilla.org/build/tools",
+        "branch": "default",
+        "dest": "tools",
+        "vcs": "hg",
+    },
+    "vcs_share_base": "/builds/hg-shared",
+    "push_dest": "ssh://hg.mozilla.org/build/tools",
+    "shipped-locales-url": "https://hg.mozilla.org/releases/mozilla-beta/raw-file/{revision}/browser/locales/shipped-locales",
+    "ignore_no_changes": True,
+    "ssh_user": "ffxbld",
+    "ssh_key": "~/.ssh/ffxbld_rsa",
+    "archive_domain": "archive.mozilla.org",
+    "archive_prefix": "https://archive.mozilla.org/pub",
+    "previous_archive_prefix": "https://archive.mozilla.org/pub",
+    "download_domain": "download.mozilla.org",
+    "balrog_url": "https://aus5.mozilla.org",
+    "balrog_username": "balrog-ffxbld",
+    "update_channels": {
+        "beta": {
+            "version_regex": r"^(\d+\.\d+(b\d+)?)$",
+            "requires_mirrors": True,
+            "patcher_config": "mozBeta-branch-patcher2.cfg",
+            "update_verify_channel": "beta-localtest",
+            "mar_channel_ids": [],
+            "channel_names": ["beta", "beta-localtest", "beta-cdntest"],
+            "rules_to_update": ["firefox-beta-cdntest", "firefox-beta-localtest"],
+            "publish_rules": [32],
+        },
+    },
+    "balrog_use_dummy_suffix": False,
+}
diff --git a/testing/mozharness/configs/releases/updates_firefox_devedition.py b/testing/mozharness/configs/releases/updates_firefox_devedition.py
new file mode 100644
index 0000000000..f09456b624
--- /dev/null
+++ b/testing/mozharness/configs/releases/updates_firefox_devedition.py
@@ -0,0 +1,42 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "log_name": "updates_devedition",
+    "repo": {
+        "repo": "https://hg.mozilla.org/build/tools",
+        "branch": "default",
+        "dest": "tools",
+        "vcs": "hg",
+    },
+    "vcs_share_base": "/builds/hg-shared",
+    "push_dest": "ssh://hg.mozilla.org/build/tools",
+    "shipped-locales-url": "https://hg.mozilla.org/releases/mozilla-beta/raw-file/{revision}/browser/locales/shipped-locales",
+    "ignore_no_changes": True,
+    "ssh_user": "ffxbld",
+    "ssh_key": "~/.ssh/ffxbld_rsa",
+    "archive_domain": "archive.mozilla.org",
+    "archive_prefix": "https://archive.mozilla.org/pub",
+    "previous_archive_prefix": "https://archive.mozilla.org/pub",
+    "download_domain": "download.mozilla.org",
+    "balrog_url": "https://aus5.mozilla.org",
+    "balrog_username": "balrog-ffxbld",
+    "update_channels": {
+        "aurora": {
+            "version_regex": r"^.*$",
+            "requires_mirrors": True,
+            "patcher_config": "mozDevedition-branch-patcher2.cfg",
+            # Allow to override the patcher config product name
+            "patcher_config_product_override": "firefox",
+            "update_verify_channel": "aurora-localtest",
+            "mar_channel_ids": [],
+            "channel_names": ["aurora", "aurora-localtest", "aurora-cdntest"],
+            "rules_to_update": ["devedition-cdntest", "devedition-localtest"],
+            "publish_rules": [10],
+        },
+    },
+    "balrog_use_dummy_suffix": False,
+    "stage_product": "devedition",
+    "bouncer_product": "devedition",
+}
diff --git a/testing/mozharness/configs/releases/updates_firefox_release.py b/testing/mozharness/configs/releases/updates_firefox_release.py
new file mode 100644
index 0000000000..969b4efadc
--- /dev/null
+++ b/testing/mozharness/configs/releases/updates_firefox_release.py
@@ -0,0 +1,52 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "log_name": "updates_release",
+    "repo": {
+        "repo": "https://hg.mozilla.org/build/tools",
+        "branch": "default",
+        "dest": "tools",
+        "vcs": "hg",
+    },
+    "vcs_share_base": "/builds/hg-shared",
+    "push_dest": "ssh://hg.mozilla.org/build/tools",
+    "shipped-locales-url": "https://hg.mozilla.org/releases/mozilla-release/raw-file/{revision}/browser/locales/shipped-locales",
+    "ignore_no_changes": True,
+    "ssh_user": "ffxbld",
+    "ssh_key": "~/.ssh/ffxbld_rsa",
+    "archive_domain": "archive.mozilla.org",
+    "archive_prefix": "https://archive.mozilla.org/pub",
+    "previous_archive_prefix": "https://archive.mozilla.org/pub",
+    "download_domain": "download.mozilla.org",
+    "balrog_url": "https://aus5.mozilla.org",
+    "balrog_username": "balrog-ffxbld",
+    "update_channels": {
+        "beta": {
+            "version_regex": r"^(\d+\.\d+(b\d+)?)$",
+            "requires_mirrors": False,
+            "patcher_config": "mozBeta-branch-patcher2.cfg",
+            "update_verify_channel": "beta-localtest",
+            "mar_channel_ids": [
+                "firefox-mozilla-beta",
+                "firefox-mozilla-release",
+            ],
+            "channel_names": ["beta", "beta-localtest", "beta-cdntest"],
+            "rules_to_update": ["firefox-beta-cdntest", "firefox-beta-localtest"],
+            "publish_rules": [32],
+            "schedule_asap": True,
+        },
+        "release": {
+            "version_regex": r"^\d+\.\d+(\.\d+)?$",
+            "requires_mirrors": True,
+            "patcher_config": "mozRelease-branch-patcher2.cfg",
+            "update_verify_channel": "release-localtest",
+            "mar_channel_ids": [],
+            "channel_names": ["release", "release-localtest", "release-cdntest"],
+            "rules_to_update": ["firefox-release-cdntest", "firefox-release-localtest"],
+            "publish_rules": [145],
+        },
+    },
+    "balrog_use_dummy_suffix": False,
+}
diff --git a/testing/mozharness/configs/remove_executables.py b/testing/mozharness/configs/remove_executables.py
new file mode 100644
index 0000000000..1377c5825c
--- /dev/null
+++ b/testing/mozharness/configs/remove_executables.py
@@ -0,0 +1,7 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "exes": {},
+}
diff --git a/testing/mozharness/configs/repackage/base.py b/testing/mozharness/configs/repackage/base.py
new file mode 100644
index 0000000000..517ddbb2d7
--- /dev/null
+++ b/testing/mozharness/configs/repackage/base.py
@@ -0,0 +1,13 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "package-name": "firefox",
+    "installer-tag": "browser/installer/windows/app.tag",
+    "stub-installer-tag": "browser/installer/windows/stub.tag",
+    "wsx-stub": "browser/installer/windows/msi/installer.wxs",
+    "fetch-dir": os.environ.get("MOZ_FETCHES_DIR"),
+}
diff --git a/testing/mozharness/configs/repackage/linux32_signed.py b/testing/mozharness/configs/repackage/linux32_signed.py
new file mode 100644
index 0000000000..adbed9537b
--- /dev/null
+++ b/testing/mozharness/configs/repackage/linux32_signed.py
@@ -0,0 +1,14 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+platform = "linux32"
+
+config = {
+    "locale": os.environ.get("LOCALE"),
+    # ToolTool
+    "tooltool_cache": os.environ.get("TOOLTOOL_CACHE"),
+    "run_configure": False,
+}
diff --git a/testing/mozharness/configs/repackage/linux64_signed.py b/testing/mozharness/configs/repackage/linux64_signed.py
new file mode 100644
index 0000000000..d1431456c0
--- /dev/null
+++ b/testing/mozharness/configs/repackage/linux64_signed.py
@@ -0,0 +1,14 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+platform = "linux64"
+
+config = {
+    "locale": os.environ.get("LOCALE"),
+    # ToolTool
+    "tooltool_cache": os.environ.get("TOOLTOOL_CACHE"),
+    "run_configure": False,
+}
diff --git a/testing/mozharness/configs/repackage/osx_partner.py b/testing/mozharness/configs/repackage/osx_partner.py
new file mode 100644
index 0000000000..e8e93c5e8f
--- /dev/null
+++ b/testing/mozharness/configs/repackage/osx_partner.py
@@ -0,0 +1,12 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "src_mozconfig": "browser/config/mozconfigs/macosx64/repack",
+    "repack_id": os.environ.get("REPACK_ID"),
+    # ToolTool
+    "tooltool_cache": os.environ.get("TOOLTOOL_CACHE"),
+}
diff --git a/testing/mozharness/configs/repackage/osx_signed.py b/testing/mozharness/configs/repackage/osx_signed.py
new file mode 100644
index 0000000000..3969ebc70a
--- /dev/null
+++ b/testing/mozharness/configs/repackage/osx_signed.py
@@ -0,0 +1,13 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "src_mozconfig": "browser/config/mozconfigs/macosx64/repack",
+    "locale": os.environ.get("LOCALE"),
+    # ToolTool
+    "tooltool_cache": os.environ.get("TOOLTOOL_CACHE"),
+    "run_configure": False,
+}
diff --git a/testing/mozharness/configs/repackage/win32_partner.py b/testing/mozharness/configs/repackage/win32_partner.py
new file mode 100644
index 0000000000..375f949c3a
--- /dev/null
+++ b/testing/mozharness/configs/repackage/win32_partner.py
@@ -0,0 +1,15 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+platform = "win32"
+
+config = {
+    "repack_id": os.environ.get("REPACK_ID"),
+    "run_configure": False,
+    "env": {
+        "PATH": "%(abs_input_dir)s/upx/bin:%(PATH)s",
+    },
+}
diff --git a/testing/mozharness/configs/repackage/win32_sfx_stub.py b/testing/mozharness/configs/repackage/win32_sfx_stub.py
new file mode 100644
index 0000000000..7b098b7281
--- /dev/null
+++ b/testing/mozharness/configs/repackage/win32_sfx_stub.py
@@ -0,0 +1,7 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "sfx-stub": "other-licenses/7zstub/firefox/7zSD.Win32.sfx",
+}
diff --git a/testing/mozharness/configs/repackage/win32_signed.py b/testing/mozharness/configs/repackage/win32_signed.py
new file mode 100644
index 0000000000..1095a8ff01
--- /dev/null
+++ b/testing/mozharness/configs/repackage/win32_signed.py
@@ -0,0 +1,15 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+platform = "win32"
+
+config = {
+    "locale": os.environ.get("LOCALE"),
+    "run_configure": False,
+    "env": {
+        "PATH": "%(abs_input_dir)s/upx/bin:%(PATH)s",
+    },
+}
diff --git a/testing/mozharness/configs/repackage/win64-aarch64_sfx_stub.py b/testing/mozharness/configs/repackage/win64-aarch64_sfx_stub.py
new file mode 100644
index 0000000000..0d8634d3a9
--- /dev/null
+++ b/testing/mozharness/configs/repackage/win64-aarch64_sfx_stub.py
@@ -0,0 +1,7 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "sfx-stub": "other-licenses/7zstub/firefox/7zSD.ARM64.sfx",
+}
diff --git a/testing/mozharness/configs/repackage/win64_partner.py b/testing/mozharness/configs/repackage/win64_partner.py
new file mode 100644
index 0000000000..d5aa55e728
--- /dev/null
+++ b/testing/mozharness/configs/repackage/win64_partner.py
@@ -0,0 +1,15 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+platform = "win64"
+
+config = {
+    "repack_id": os.environ.get("REPACK_ID"),
+    "run_configure": False,
+    "env": {
+        "PATH": "%(abs_input_dir)s/upx/bin:%(PATH)s",
+    },
+}
diff --git a/testing/mozharness/configs/repackage/win64_signed.py b/testing/mozharness/configs/repackage/win64_signed.py
new file mode 100644
index 0000000000..3b0a23ef04
--- /dev/null
+++ b/testing/mozharness/configs/repackage/win64_signed.py
@@ -0,0 +1,15 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+platform = "win64"
+
+config = {
+    "locale": os.environ.get("LOCALE"),
+    "run_configure": False,
+    "env": {
+        "PATH": "%(abs_input_dir)s/upx/bin:%(PATH)s",
+    },
+}
diff --git a/testing/mozharness/configs/servo/mac.py b/testing/mozharness/configs/servo/mac.py
new file mode 100644
index 0000000000..6058abdc20
--- /dev/null
+++ b/testing/mozharness/configs/servo/mac.py
@@ -0,0 +1,7 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "concurrency": 6,
+}
diff --git a/testing/mozharness/configs/single_locale/devedition.py b/testing/mozharness/configs/single_locale/devedition.py
new file mode 100644
index 0000000000..aef519b9d1
--- /dev/null
+++ b/testing/mozharness/configs/single_locale/devedition.py
@@ -0,0 +1,9 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "app_name": "browser",
+    "mozconfig_variant": "l10n-mozconfig-devedition",
+    "locales_dir": "browser/locales",
+}
diff --git a/testing/mozharness/configs/single_locale/firefox.py b/testing/mozharness/configs/single_locale/firefox.py
new file mode 100644
index 0000000000..c679ecebba
--- /dev/null
+++ b/testing/mozharness/configs/single_locale/firefox.py
@@ -0,0 +1,9 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "app_name": "browser",
+    "mozconfig_variant": "l10n-mozconfig",
+    "locales_dir": "browser/locales",
+}
diff --git a/testing/mozharness/configs/single_locale/linux32.py b/testing/mozharness/configs/single_locale/linux32.py
new file mode 100644
index 0000000000..1a1d073862
--- /dev/null
+++ b/testing/mozharness/configs/single_locale/linux32.py
@@ -0,0 +1,11 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "mozconfig_platform": "linux32",
+    "log_name": "single_locale",
+    "vcs_share_base": "/builds/hg-shared",
+    # l10n
+    "ignore_locales": ["en-US", "ja-JP-mac"],
+}
diff --git a/testing/mozharness/configs/single_locale/linux64.py b/testing/mozharness/configs/single_locale/linux64.py
new file mode 100644
index 0000000000..d54a67b857
--- /dev/null
+++ b/testing/mozharness/configs/single_locale/linux64.py
@@ -0,0 +1,10 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "mozconfig_platform": "linux64",
+    "vcs_share_base": "/builds/hg-shared",
+    # l10n
+    "ignore_locales": ["en-US", "ja-JP-mac"],
+}
diff --git a/testing/mozharness/configs/single_locale/macosx64.py b/testing/mozharness/configs/single_locale/macosx64.py
new file mode 100644
index 0000000000..07c1f07221
--- /dev/null
+++ b/testing/mozharness/configs/single_locale/macosx64.py
@@ -0,0 +1,12 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "mozconfig_platform": "macosx64",
+    "upload_env_extra": {
+        "MOZ_PKG_PLATFORM": "mac",
+    },
+    # l10n
+    "ignore_locales": ["en-US", "ja"],
+}
diff --git a/testing/mozharness/configs/single_locale/tc_android-arm.py b/testing/mozharness/configs/single_locale/tc_android-arm.py
new file mode 100644
index 0000000000..85a8ff45f5
--- /dev/null
+++ b/testing/mozharness/configs/single_locale/tc_android-arm.py
@@ -0,0 +1,35 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "locales_dir": "mobile/android/locales",
+    "ignore_locales": ["en-US"],
+    "repack_env": {
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+    },
+    "vcs_share_base": "/builds/hg-shared",
+    "mozconfig": "src/mobile/android/config/mozconfigs/android-arm/l10n-nightly",
+    "tooltool_config": {
+        "manifest": "mobile/android/config/tooltool-manifests/android/releng.manifest",
+        "output_dir": "%(abs_work_dir)s/src",
+    },
+    "secret_files": [
+        {
+            "filename": "/builds/gls-gapi.data",
+            "secret_name": "project/releng/gecko/build/level-%(scm-level)s/gls-gapi.data",
+            "min_scm_level": 1,
+        },
+        {
+            "filename": "/builds/sb-gapi.data",
+            "secret_name": "project/releng/gecko/build/level-%(scm-level)s/sb-gapi.data",
+            "min_scm_level": 1,
+        },
+        {
+            "filename": "/builds/mozilla-fennec-geoloc-api.key",
+            "secret_name": "project/releng/gecko/build/level-%(scm-level)s/mozilla-fennec-geoloc-api.key",
+            "min_scm_level": 2,
+            "default": "try-build-has-no-secrets",
+        },
+    ],
+}
diff --git a/testing/mozharness/configs/single_locale/tc_common.py b/testing/mozharness/configs/single_locale/tc_common.py
new file mode 100644
index 0000000000..029283b163
--- /dev/null
+++ b/testing/mozharness/configs/single_locale/tc_common.py
@@ -0,0 +1,11 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "simple_name_move": True,
+    "vcs_share_base": "/builds/hg-shared",
+    "upload_env": {
+        "UPLOAD_PATH": "/builds/worker/artifacts/",
+    },
+}
diff --git a/testing/mozharness/configs/single_locale/tc_linux32.py b/testing/mozharness/configs/single_locale/tc_linux32.py
new file mode 100644
index 0000000000..4ae7528473
--- /dev/null
+++ b/testing/mozharness/configs/single_locale/tc_linux32.py
@@ -0,0 +1,16 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "bootstrap_env": {
+        "NO_MERCURIAL_SETUP_CHECK": "1",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "EN_US_BINARY_URL": os.environ["EN_US_BINARY_URL"],
+        "DIST": "%(abs_obj_dir)s",
+        "L10NBASEDIR": "../../l10n",
+        "TOOLTOOL_CACHE": os.environ.get("TOOLTOOL_CACHE"),
+    },
+}
diff --git a/testing/mozharness/configs/single_locale/tc_linux_common.py b/testing/mozharness/configs/single_locale/tc_linux_common.py
new file mode 100644
index 0000000000..4ae7528473
--- /dev/null
+++ b/testing/mozharness/configs/single_locale/tc_linux_common.py
@@ -0,0 +1,16 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "bootstrap_env": {
+        "NO_MERCURIAL_SETUP_CHECK": "1",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "EN_US_BINARY_URL": os.environ["EN_US_BINARY_URL"],
+        "DIST": "%(abs_obj_dir)s",
+        "L10NBASEDIR": "../../l10n",
+        "TOOLTOOL_CACHE": os.environ.get("TOOLTOOL_CACHE"),
+    },
+}
diff --git a/testing/mozharness/configs/single_locale/tc_macosx64.py b/testing/mozharness/configs/single_locale/tc_macosx64.py
new file mode 100644
index 0000000000..4ae7528473
--- /dev/null
+++ b/testing/mozharness/configs/single_locale/tc_macosx64.py
@@ -0,0 +1,16 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "bootstrap_env": {
+        "NO_MERCURIAL_SETUP_CHECK": "1",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "EN_US_BINARY_URL": os.environ["EN_US_BINARY_URL"],
+        "DIST": "%(abs_obj_dir)s",
+        "L10NBASEDIR": "../../l10n",
+        "TOOLTOOL_CACHE": os.environ.get("TOOLTOOL_CACHE"),
+    },
+}
diff --git a/testing/mozharness/configs/single_locale/tc_win32.py b/testing/mozharness/configs/single_locale/tc_win32.py
new file mode 100644
index 0000000000..34bcde89bc
--- /dev/null
+++ b/testing/mozharness/configs/single_locale/tc_win32.py
@@ -0,0 +1,17 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "bootstrap_env": {
+        "NO_MERCURIAL_SETUP_CHECK": "1",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "EN_US_BINARY_URL": os.environ["EN_US_BINARY_URL"],
+        "DIST": "%(abs_obj_dir)s",
+        "L10NBASEDIR": "../../l10n",
+        "TOOLTOOL_CACHE": os.environ.get("TOOLTOOL_CACHE"),
+        "EN_US_PACKAGE_NAME": "target.zip",
+    },
+}
diff --git a/testing/mozharness/configs/single_locale/tc_win64.py b/testing/mozharness/configs/single_locale/tc_win64.py
new file mode 100644
index 0000000000..34bcde89bc
--- /dev/null
+++ b/testing/mozharness/configs/single_locale/tc_win64.py
@@ -0,0 +1,17 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+config = {
+    "bootstrap_env": {
+        "NO_MERCURIAL_SETUP_CHECK": "1",
+        "MOZ_OBJDIR": "%(abs_obj_dir)s",
+        "EN_US_BINARY_URL": os.environ["EN_US_BINARY_URL"],
+        "DIST": "%(abs_obj_dir)s",
+        "L10NBASEDIR": "../../l10n",
+        "TOOLTOOL_CACHE": os.environ.get("TOOLTOOL_CACHE"),
+        "EN_US_PACKAGE_NAME": "target.zip",
+    },
+}
diff --git a/testing/mozharness/configs/single_locale/win32.py b/testing/mozharness/configs/single_locale/win32.py
new file mode 100644
index 0000000000..e00275792c
--- /dev/null
+++ b/testing/mozharness/configs/single_locale/win32.py
@@ -0,0 +1,10 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "mozconfig_platform": "win32",
+    "log_name": "single_locale",
+    # l10n
+    "ignore_locales": ["en-US", "ja-JP-mac"],
+}
diff --git a/testing/mozharness/configs/single_locale/win64-aarch64.py b/testing/mozharness/configs/single_locale/win64-aarch64.py
new file mode 100644
index 0000000000..5846f01b89
--- /dev/null
+++ b/testing/mozharness/configs/single_locale/win64-aarch64.py
@@ -0,0 +1,9 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "mozconfig_platform": "win64-aarch64",
+    # l10n
+    "ignore_locales": ["en-US", "ja-JP-mac"],
+}
diff --git a/testing/mozharness/configs/single_locale/win64.py b/testing/mozharness/configs/single_locale/win64.py
new file mode 100644
index 0000000000..a3061add60
--- /dev/null
+++ b/testing/mozharness/configs/single_locale/win64.py
@@ -0,0 +1,9 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "mozconfig_platform": "win64",
+    # l10n
+    "ignore_locales": ["en-US", "ja-JP-mac"],
+}
diff --git a/testing/mozharness/configs/talos/linux64_config_taskcluster.py b/testing/mozharness/configs/talos/linux64_config_taskcluster.py
new file mode 100644
index 0000000000..4fe2861d8f
--- /dev/null
+++ b/testing/mozharness/configs/talos/linux64_config_taskcluster.py
@@ -0,0 +1,32 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+import sys
+
+PYTHON = sys.executable
+VENV_PATH = "%s/build/venv" % os.getcwd()
+
+exes = {
+    "python": PYTHON,
+}
+ABS_WORK_DIR = os.path.join(os.getcwd(), "build")
+INSTALLER_PATH = os.path.join(ABS_WORK_DIR, "installer.tar.bz2")
+
+config = {
+    "log_name": "talos",
+    "installer_path": INSTALLER_PATH,
+    "virtualenv_path": VENV_PATH,
+    "exes": exes,
+    "title": os.uname()[1].lower().split(".")[0],
+    "default_actions": [
+        "clobber",
+        "download-and-extract",
+        "populate-webroot",
+        "create-virtualenv",
+        "install",
+        "run-tests",
+    ],
+    "tooltool_cache": "/builds/worker/tooltool-cache",
+}
diff --git a/testing/mozharness/configs/talos/linux_config.py b/testing/mozharness/configs/talos/linux_config.py
new file mode 100644
index 0000000000..c26fa4f8e5
--- /dev/null
+++ b/testing/mozharness/configs/talos/linux_config.py
@@ -0,0 +1,23 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+VENV_PATH = "%s/build/venv" % os.getcwd()
+
+config = {
+    "log_name": "talos",
+    "installer_path": "installer.exe",
+    "virtualenv_path": VENV_PATH,
+    "title": os.uname()[1].lower().split(".")[0],
+    "default_actions": [
+        "clobber",
+        "download-and-extract",
+        "populate-webroot",
+        "create-virtualenv",
+        "install",
+        "run-tests",
+    ],
+    "tooltool_cache": "/builds/tooltool_cache",
+}
diff --git a/testing/mozharness/configs/talos/mac_config.py b/testing/mozharness/configs/talos/mac_config.py
new file mode 100644
index 0000000000..a8a5f9b87d
--- /dev/null
+++ b/testing/mozharness/configs/talos/mac_config.py
@@ -0,0 +1,26 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+VENV_PATH = "%s/build/venv" % os.getcwd()
+
+config = {
+    "log_name": "talos",
+    "installer_path": "installer.exe",
+    "virtualenv_path": VENV_PATH,
+    "title": os.uname()[1].lower().split(".")[0],
+    "default_actions": [
+        "clobber",
+        "download-and-extract",
+        "populate-webroot",
+        "create-virtualenv",
+        "install",
+        "run-tests",
+    ],
+    "run_cmd_checks_enabled": True,
+    "preflight_run_cmd_suites": [],
+    "postflight_run_cmd_suites": [],
+    "tooltool_cache": "/builds/tooltool_cache",
+}
diff --git a/testing/mozharness/configs/talos/windows_config.py b/testing/mozharness/configs/talos/windows_config.py
new file mode 100644
index 0000000000..6511a9a4fc
--- /dev/null
+++ b/testing/mozharness/configs/talos/windows_config.py
@@ -0,0 +1,65 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+import platform
+import socket
+import sys
+
+PYTHON = sys.executable
+VENV_PATH = os.path.join(os.getcwd(), "build/venv")
+
+config = {
+    "log_name": "talos",
+    "installer_path": "installer.exe",
+    "virtualenv_path": VENV_PATH,
+    "exes": {
+        "python": PYTHON,
+        "hg": os.path.join(os.environ["PROGRAMFILES"], "Mercurial", "hg"),
+        "tooltool.py": [
+            PYTHON,
+            os.path.join(os.environ["MOZILLABUILD"], "tooltool.py"),
+        ],
+    },
+    "title": socket.gethostname().split(".")[0],
+    "default_actions": [
+        "clobber",
+        "download-and-extract",
+        "populate-webroot",
+        "create-virtualenv",
+        "install",
+        "run-tests",
+    ],
+    "tooltool_cache": os.path.join("c:\\", "build", "tooltool_cache"),
+    "run_cmd_checks_enabled": True,
+    "preflight_run_cmd_suites": [
+        {
+            "name": "run mouse & screen adjustment script",
+            "cmd": [
+                sys.executable,
+                os.path.join(
+                    os.getcwd(),
+                    "mozharness",
+                    "external_tools",
+                    "mouse_and_screen_resolution.py",
+                ),
+                "--configuration-file",
+                os.path.join(
+                    os.getcwd(),
+                    "mozharness",
+                    "external_tools",
+                    "machine-configuration.json",
+                ),
+                "--platform=win10-hw"
+                if (platform.uname().version == "10.0.19045")
+                else "--platform=win11-hw"
+                if (platform.uname().version == "10.0.22621")
+                else "--platform=win7",
+            ],
+            "architectures": ["32bit", "64bit"],
+            "halt_on_failure": True,
+            "enabled": True,
+        }
+    ],
+}
diff --git a/testing/mozharness/configs/talos/windows_taskcluster_config.py b/testing/mozharness/configs/talos/windows_taskcluster_config.py
new file mode 100644
index 0000000000..d9ab7505ab
--- /dev/null
+++ b/testing/mozharness/configs/talos/windows_taskcluster_config.py
@@ -0,0 +1,28 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+import socket
+import sys
+
+PYTHON = sys.executable
+VENV_PATH = os.path.join(os.getcwd(), "venv")
+
+config = {
+    "log_name": "talos",
+    "installer_path": "installer.exe",
+    "virtualenv_path": VENV_PATH,
+    "exes": {
+        "python": PYTHON,
+        "hg": os.path.join(os.environ["PROGRAMFILES"], "Mercurial", "hg"),
+    },
+    "title": socket.gethostname().split(".")[0],
+    "default_actions": [
+        "populate-webroot",
+        "create-virtualenv",
+        "install",
+        "run-tests",
+    ],
+    "tooltool_cache": os.path.join("Y:\\", "tooltool-cache"),
+}
diff --git a/testing/mozharness/configs/talos/windows_vm_config.py b/testing/mozharness/configs/talos/windows_vm_config.py
new file mode 100644
index 0000000000..3e4f364b3e
--- /dev/null
+++ b/testing/mozharness/configs/talos/windows_vm_config.py
@@ -0,0 +1,30 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+import socket
+import sys
+
+PYTHON = sys.executable
+VENV_PATH = os.path.join(os.getcwd(), "build/venv")
+
+config = {
+    "log_name": "talos",
+    "installer_path": "installer.exe",
+    "virtualenv_path": VENV_PATH,
+    "exes": {
+        "python": PYTHON,
+        "hg": os.path.join(os.environ["PROGRAMFILES"], "Mercurial", "hg"),
+    },
+    "title": socket.gethostname().split(".")[0],
+    "default_actions": [
+        "clobber",
+        "download-and-extract",
+        "populate-webroot",
+        "create-virtualenv",
+        "install",
+        "run-tests",
+    ],
+    "tooltool_cache": os.path.join("c:\\", "build", "tooltool_cache"),
+}
diff --git a/testing/mozharness/configs/taskcluster_nightly.py b/testing/mozharness/configs/taskcluster_nightly.py
new file mode 100644
index 0000000000..596bf2f94e
--- /dev/null
+++ b/testing/mozharness/configs/taskcluster_nightly.py
@@ -0,0 +1,8 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+config = {
+    "nightly_build": True,
+    "taskcluster_nightly": True,
+}
diff --git a/testing/mozharness/configs/test/example_config1.json b/testing/mozharness/configs/test/example_config1.json
new file mode 100644
index 0000000000..2c8b9d8430
--- /dev/null
+++ b/testing/mozharness/configs/test/example_config1.json
@@ -0,0 +1,5 @@
+{
+  "beverage": "fizzy drink",
+  "long_sleep_time": 1800,
+  "random_config_key1": "spectacular"
+}
diff --git a/testing/mozharness/configs/test/example_config2.py b/testing/mozharness/configs/test/example_config2.py
new file mode 100644
index 0000000000..958543b60e
--- /dev/null
+++ b/testing/mozharness/configs/test/example_config2.py
@@ -0,0 +1,5 @@
+config = {
+    "beverage": "cider",
+    "long_sleep_time": 300,
+    "random_config_key2": "wunderbar",
+}
diff --git a/testing/mozharness/configs/test/test.illegal_suffix b/testing/mozharness/configs/test/test.illegal_suffix
new file mode 100644
index 0000000000..7d9a4d96d6
--- /dev/null
+++ b/testing/mozharness/configs/test/test.illegal_suffix
@@ -0,0 +1,20 @@
+{
+  "log_name": "test",
+  "log_dir": "test_logs",
+  "log_to_console": false,
+  "key1": "value1",
+  "key2": "value2",
+  "section1": {
+
+    "subsection1": {
+      "key1": "value1",
+      "key2": "value2"
+    },
+
+    "subsection2": {
+      "key1": "value1",
+      "key2": "value2"
+    }
+
+  }
+}
diff --git a/testing/mozharness/configs/test/test.json b/testing/mozharness/configs/test/test.json
new file mode 100644
index 0000000000..659bcb0704
--- /dev/null
+++ b/testing/mozharness/configs/test/test.json
@@ -0,0 +1,18 @@
+{
+  "log_name": "test",
+  "log_dir": "test_logs",
+  "log_to_console": false,
+  "key1": "value1",
+  "key2": "value2",
+  "section1": {
+    "subsection1": {
+      "key1": "value1",
+      "key2": "value2"
+    },
+
+    "subsection2": {
+      "key1": "value1",
+      "key2": "value2"
+    }
+  }
+}
diff --git a/testing/mozharness/configs/test/test.py b/testing/mozharness/configs/test/test.py
new file mode 100644
index 0000000000..d06c2f130a
--- /dev/null
+++ b/testing/mozharness/configs/test/test.py
@@ -0,0 +1,13 @@
+#!/usr/bin/env python
+config = {
+    "log_name": "test",
+    "log_dir": "test_logs",
+    "log_to_console": False,
+    "key1": "value1",
+    "key2": "value2",
+    "section1": {
+        "subsection1": {"key1": "value1", "key2": "value2"},
+        "subsection2": {"key1": "value1", "key2": "value2"},
+    },
+    "opt_override": "some stuff",
+}
diff --git a/testing/mozharness/configs/test/test_malformed.json b/testing/mozharness/configs/test/test_malformed.json
new file mode 100644
index 0000000000..260be45b88
--- /dev/null
+++ b/testing/mozharness/configs/test/test_malformed.json
@@ -0,0 +1,20 @@
+{
+  "log_name": "test",
+  "log_dir": "test_logs",
+  "log_to_console": false,
+  "key1": "value1",
+  "key2": "value2",
+  "section1": {
+
+    "subsection1": {
+      "key1": "value1",
+      "key2": "value2"
+    },
+
+    "subsection2": {
+      "key1": "value1",
+      "key2": "value2"
+    },
+
+  }
+}
diff --git a/testing/mozharness/configs/test/test_malformed.py b/testing/mozharness/configs/test/test_malformed.py
new file mode 100644
index 0000000000..e7ccefd15f
--- /dev/null
+++ b/testing/mozharness/configs/test/test_malformed.py
@@ -0,0 +1,22 @@
+#!/usr/bin/env python
+config = {
+  "log_name": "test",
+  "log_dir": "test_logs",
+  "log_to_console": False,
+  "key1": "value1",
+  "key2": "value2",
+  "section1": {
+
+    "subsection1": {
+      "key1": "value1",
+      "key2": "value2"
+    },
+
+a;sldkfjas;dfkljasdf;kjasdf;ljkadsflkjsdfkweoi
+    "subsection2": {
+      "key1": "value1",
+      "key2": "value2"
+    },
+
+  },
+}
diff --git a/testing/mozharness/configs/test/test_optional.py b/testing/mozharness/configs/test/test_optional.py
new file mode 100644
index 0000000000..4eb13b3dfb
--- /dev/null
+++ b/testing/mozharness/configs/test/test_optional.py
@@ -0,0 +1,4 @@
+#!/usr/bin/env python
+config = {
+    "opt_override": "new stuff",
+}
diff --git a/testing/mozharness/configs/test/test_override.py b/testing/mozharness/configs/test/test_override.py
new file mode 100644
index 0000000000..356207d547
--- /dev/null
+++ b/testing/mozharness/configs/test/test_override.py
@@ -0,0 +1,7 @@
+#!/usr/bin/env python
+config = {
+    "override_string": "TODO",
+    "override_list": ["to", "do"],
+    "override_dict": {"to": "do"},
+    "keep_string": "don't change me",
+}
diff --git a/testing/mozharness/configs/test/test_override2.py b/testing/mozharness/configs/test/test_override2.py
new file mode 100644
index 0000000000..561a170358
--- /dev/null
+++ b/testing/mozharness/configs/test/test_override2.py
@@ -0,0 +1,6 @@
+#!/usr/bin/env python
+config = {
+    "override_string": "yay",
+    "override_list": ["yay", "worked"],
+    "override_dict": {"yay": "worked"},
+}
diff --git a/testing/mozharness/configs/unittests/linux_unittest.py b/testing/mozharness/configs/unittests/linux_unittest.py
new file mode 100644
index 0000000000..801f57eb14
--- /dev/null
+++ b/testing/mozharness/configs/unittests/linux_unittest.py
@@ -0,0 +1,291 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+import platform
+
+# OS Specifics
+ABS_WORK_DIR = os.path.join(os.getcwd(), "build")
+BINARY_PATH = os.path.join(ABS_WORK_DIR, "application", "firefox", "firefox-bin")
+INSTALLER_PATH = os.path.join(ABS_WORK_DIR, "installer.tar.bz2")
+XPCSHELL_NAME = "xpcshell"
+PLUGIN_CONTAINER_NAME = "plugin-container"
+HTTP3SERVER_NAME = "http3server"
+EXE_SUFFIX = ""
+DISABLE_SCREEN_SAVER = True
+ADJUST_MOUSE_AND_SCREEN = False
+
+# Note: keep these Valgrind .sup file names consistent with those
+# in testing/mochitest/mochitest_options.py.
+VALGRIND_SUPP_DIR = os.path.join(os.getcwd(), "build/tests/mochitest")
+NODEJS_PATH = None
+if "MOZ_FETCHES_DIR" in os.environ:
+    NODEJS_PATH = os.path.join(os.environ["MOZ_FETCHES_DIR"], "node/bin/node")
+
+VALGRIND_SUPP_CROSS_ARCH = os.path.join(VALGRIND_SUPP_DIR, "cross-architecture.sup")
+VALGRIND_SUPP_ARCH = None
+
+if platform.architecture()[0] == "64bit":
+    VALGRIND_SUPP_ARCH = os.path.join(VALGRIND_SUPP_DIR, "x86_64-pc-linux-gnu.sup")
+else:
+    VALGRIND_SUPP_ARCH = os.path.join(VALGRIND_SUPP_DIR, "i386-pc-linux-gnu.sup")
+
+#####
+config = {
+    ###
+    "virtualenv_modules": ["six==1.13.0", "vcversioner==2.16.0.0"],
+    "installer_path": INSTALLER_PATH,
+    "binary_path": BINARY_PATH,
+    "xpcshell_name": XPCSHELL_NAME,
+    "plugin_container_name": PLUGIN_CONTAINER_NAME,
+    "http3server_name": HTTP3SERVER_NAME,
+    "exe_suffix": EXE_SUFFIX,
+    "run_file_names": {
+        "mochitest": "runtests.py",
+        "reftest": "runreftest.py",
+        "xpcshell": "runxpcshelltests.py",
+        "cppunittest": "runcppunittests.py",
+        "gtest": "rungtests.py",
+        "jittest": "jit_test.py",
+    },
+    "minimum_tests_zip_dirs": [
+        "bin/*",
+        "certs/*",
+        "config/*",
+        "mach",
+        "marionette/*",
+        "modules/*",
+        "mozbase/*",
+        "tools/*",
+        "mozpack/*",
+        "mozbuild/*",
+    ],
+    "suite_definitions": {
+        "cppunittest": {
+            "options": [
+                "--symbols-path=%(symbols_path)s",
+                "--utility-path=tests/bin",
+                "--xre-path=%(abs_app_dir)s",
+            ],
+            "run_filename": "runcppunittests.py",
+            "testsdir": "cppunittest",
+        },
+        "jittest": {
+            "options": [
+                "tests/bin/js",
+                "--no-slow",
+                "--no-progress",
+                "--format=automation",
+                "--jitflags=all",
+                "--timeout=970",  # Keep in sync with run_timeout below.
+            ],
+            "run_filename": "jit_test.py",
+            "testsdir": "jit-test/jit-test",
+            "run_timeout": 1000,  # Keep in sync with --timeout above.
+        },
+        "mochitest": {
+            "options": [
+                "--appname=%(binary_path)s",
+                "--utility-path=tests/bin",
+                "--extra-profile-file=tests/bin/plugins",
+                "--symbols-path=%(symbols_path)s",
+                "--certificate-path=tests/certs",
+                "--setpref=webgl.force-enabled=true",
+                "--quiet",
+                "--log-errorsummary=%(error_summary_file)s",
+                "--use-test-media-devices",
+                "--screenshot-on-fail",
+                "--cleanup-crashes",
+                "--marionette-startup-timeout=180",
+                "--sandbox-read-whitelist=%(abs_work_dir)s",
+            ],
+            "run_filename": "runtests.py",
+            "testsdir": "mochitest",
+        },
+        "reftest": {
+            "options": [
+                "--appname=%(binary_path)s",
+                "--utility-path=tests/bin",
+                "--extra-profile-file=tests/bin/plugins",
+                "--symbols-path=%(symbols_path)s",
+                "--log-errorsummary=%(error_summary_file)s",
+                "--cleanup-crashes",
+                "--marionette-startup-timeout=180",
+                "--sandbox-read-whitelist=%(abs_work_dir)s",
+            ],
+            "run_filename": "runreftest.py",
+            "testsdir": "reftest",
+        },
+        "xpcshell": {
+            "options": [
+                "--self-test",
+                "--symbols-path=%(symbols_path)s",
+                "--log-errorsummary=%(error_summary_file)s",
+                "--utility-path=tests/bin",
+            ],
+            "run_filename": "runxpcshelltests.py",
+            "testsdir": "xpcshell",
+        },
+        "gtest": {
+            "options": [
+                "--xre-path=%(abs_res_dir)s",
+                "--cwd=%(gtest_dir)s",
+                "--symbols-path=%(symbols_path)s",
+                "--utility-path=tests/bin",
+                "%(binary_path)s",
+            ],
+            "run_filename": "rungtests.py",
+        },
+    },
+    # local mochi suites
+    "all_mochitest_suites": {
+        "mochitest-valgrind-plain": [
+            "--valgrind=/usr/bin/valgrind",
+            "--valgrind-supp-files="
+            + VALGRIND_SUPP_ARCH
+            + ","
+            + VALGRIND_SUPP_CROSS_ARCH,
+            "--timeout=900",
+            "--max-timeouts=50",
+        ],
+        "mochitest-plain": ["--chunk-by-dir=4"],
+        "mochitest-plain-gpu": ["--subsuite=gpu"],
+        "mochitest-plain-coverage": ["--chunk-by-dir=4", "--timeout=1200"],
+        "mochitest-media": ["--subsuite=media"],
+        "mochitest-chrome": ["--flavor=chrome", "--chunk-by-dir=4", "--disable-e10s"],
+        "mochitest-chrome-gpu": ["--flavor=chrome", "--subsuite=gpu", "--disable-e10s"],
+        "mochitest-browser-chrome": ["--flavor=browser", "--chunk-by-runtime"],
+        "mochitest-browser-chrome-coverage": [
+            "--flavor=browser",
+            "--chunk-by-runtime",
+            "--timeout=1200",
+        ],
+        "mochitest-browser-screenshots": [
+            "--flavor=browser",
+            "--subsuite=screenshots",
+        ],
+        "mochitest-webgl1-core": ["--subsuite=webgl1-core"],
+        "mochitest-webgl1-ext": ["--subsuite=webgl1-ext"],
+        "mochitest-webgl2-core": ["--subsuite=webgl2-core"],
+        "mochitest-webgl2-ext": ["--subsuite=webgl2-ext"],
+        "mochitest-webgl2-deqp": ["--subsuite=webgl2-deqp"],
+        "mochitest-webgpu": ["--subsuite=webgpu"],
+        "mochitest-devtools-chrome": [
+            "--flavor=browser",
+            "--subsuite=devtools",
+            "--chunk-by-runtime",
+        ],
+        "mochitest-devtools-chrome-coverage": [
+            "--flavor=browser",
+            "--subsuite=devtools",
+            "--chunk-by-runtime",
+            "--timeout=1200",
+        ],
+        "mochitest-browser-a11y": ["--flavor=browser", "--subsuite=a11y"],
+        "mochitest-browser-media": ["--flavor=browser", "--subsuite=media-bc"],
+        "mochitest-a11y": ["--flavor=a11y", "--disable-e10s"],
+        "mochitest-remote": ["--flavor=browser", "--subsuite=remote"],
+    },
+    # local reftest suites
+    "all_reftest_suites": {
+        "crashtest": {
+            "options": ["--suite=crashtest", "--topsrcdir=tests/reftest/tests"],
+            "tests": ["tests/reftest/tests/testing/crashtest/crashtests.list"],
+        },
+        "jsreftest": {
+            "options": [
+                "--extra-profile-file=tests/jsreftest/tests/js/src/tests/user.js",
+                "--suite=jstestbrowser",
+                "--topsrcdir=tests/jsreftest/tests",
+            ],
+            "tests": ["tests/jsreftest/tests/js/src/tests/jstests.list"],
+        },
+        "reftest": {
+            "options": [
+                "--suite=reftest",
+                "--setpref=layers.acceleration.force-enabled=true",
+                "--topsrcdir=tests/reftest/tests",
+            ],
+            "tests": ["tests/reftest/tests/layout/reftests/reftest.list"],
+        },
+        "reftest-no-accel": {
+            "options": [
+                "--suite=reftest",
+                "--setpref=layers.acceleration.disabled=true",
+                "--topsrcdir=tests/reftest/tests",
+            ],
+            "tests": ["tests/reftest/tests/layout/reftests/reftest.list"],
+        },
+        "reftest-snapshot": {
+            "options": [
+                "--suite=reftest",
+                "--setpref=reftest.use-draw-snapshot=true",
+                "--topsrcdir=tests/reftest/tests",
+            ],
+            "tests": ["tests/reftest/tests/layout/reftests/reftest.list"],
+        },
+    },
+    "all_xpcshell_suites": {
+        "xpcshell": {
+            "options": [
+                "--xpcshell=%(abs_app_dir)s/" + XPCSHELL_NAME,
+                "--http3server=%(abs_app_dir)s/" + HTTP3SERVER_NAME,
+                "--manifest=tests/xpcshell/tests/xpcshell.toml",
+            ],
+            "tests": [],
+        },
+        "xpcshell-coverage": {
+            "options": [
+                "--xpcshell=%(abs_app_dir)s/" + XPCSHELL_NAME,
+                "--http3server=%(abs_app_dir)s/" + HTTP3SERVER_NAME,
+                "--manifest=tests/xpcshell/tests/xpcshell.toml",
+                "--sequential",
+            ],
+            "tests": [],
+        },
+    },
+    "all_cppunittest_suites": {"cppunittest": {"tests": ["tests/cppunittest"]}},
+    "all_gtest_suites": {"gtest": []},
+    "all_jittest_suites": {
+        "jittest": [],
+        "jittest1": ["--total-chunks=2", "--this-chunk=1"],
+        "jittest2": ["--total-chunks=2", "--this-chunk=2"],
+    },
+    "run_cmd_checks_enabled": True,
+    "preflight_run_cmd_suites": [
+        # NOTE 'enabled' is only here while we have unconsolidated configs
+        {
+            "name": "disable_screen_saver",
+            "cmd": ["xset", "s", "off", "s", "reset"],
+            "halt_on_failure": False,
+            "architectures": ["32bit", "64bit"],
+            "enabled": DISABLE_SCREEN_SAVER,
+        },
+        {
+            "name": "run mouse & screen adjustment script",
+            "cmd": [
+                # when configs are consolidated this python path will only show
+                # for windows.
+                "python",
+                "../scripts/external_tools/mouse_and_screen_resolution.py",
+                "--configuration-file",
+                "../scripts/external_tools/machine-configuration.json",
+            ],
+            "architectures": ["32bit"],
+            "halt_on_failure": True,
+            "enabled": ADJUST_MOUSE_AND_SCREEN,
+        },
+    ],
+    "vcs_output_timeout": 1000,
+    "minidump_save_path": "%(abs_work_dir)s/../minidumps",
+    "unstructured_flavors": {
+        "xpcshell": [],
+        "gtest": [],
+        "cppunittest": [],
+        "jittest": [],
+    },
+    "tooltool_cache": "/builds/worker/tooltool-cache",
+    "nodejs_path": NODEJS_PATH,
+    # "log_format": "%(levelname)8s - %(message)s",
+}
diff --git a/testing/mozharness/configs/unittests/mac_unittest.py b/testing/mozharness/configs/unittests/mac_unittest.py
new file mode 100644
index 0000000000..63c0922f82
--- /dev/null
+++ b/testing/mozharness/configs/unittests/mac_unittest.py
@@ -0,0 +1,228 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+
+# OS Specifics
+INSTALLER_PATH = os.path.join(os.getcwd(), "installer.dmg")
+NODEJS_PATH = None
+if "MOZ_FETCHES_DIR" in os.environ:
+    NODEJS_PATH = os.path.join(os.environ["MOZ_FETCHES_DIR"], "node/bin/node")
+
+XPCSHELL_NAME = "xpcshell"
+HTTP3SERVER_NAME = "http3server"
+EXE_SUFFIX = ""
+DISABLE_SCREEN_SAVER = False
+ADJUST_MOUSE_AND_SCREEN = False
+#####
+config = {
+    "virtualenv_modules": ["six==1.13.0", "vcversioner==2.16.0.0"],
+    ###
+    "installer_path": INSTALLER_PATH,
+    "xpcshell_name": XPCSHELL_NAME,
+    "http3server_name": HTTP3SERVER_NAME,
+    "exe_suffix": EXE_SUFFIX,
+    "run_file_names": {
+        "mochitest": "runtests.py",
+        "reftest": "runreftest.py",
+        "xpcshell": "runxpcshelltests.py",
+        "cppunittest": "runcppunittests.py",
+        "gtest": "rungtests.py",
+        "jittest": "jit_test.py",
+    },
+    "minimum_tests_zip_dirs": [
+        "bin/*",
+        "certs/*",
+        "config/*",
+        "mach",
+        "marionette/*",
+        "modules/*",
+        "mozbase/*",
+        "tools/*",
+    ],
+    "suite_definitions": {
+        "cppunittest": {
+            "options": [
+                "--symbols-path=%(symbols_path)s",
+                "--utility-path=tests/bin",
+                "--xre-path=%(abs_res_dir)s",
+            ],
+            "run_filename": "runcppunittests.py",
+            "testsdir": "cppunittest",
+        },
+        "jittest": {
+            "options": [
+                "tests/bin/js",
+                "--no-slow",
+                "--no-progress",
+                "--format=automation",
+                "--jitflags=all",
+                "--timeout=970",  # Keep in sync with run_timeout below.
+            ],
+            "run_filename": "jit_test.py",
+            "testsdir": "jit-test/jit-test",
+            "run_timeout": 1000,  # Keep in sync with --timeout above.
+        },
+        "mochitest": {
+            "options": [
+                "--appname=%(binary_path)s",
+                "--utility-path=tests/bin",
+                "--extra-profile-file=tests/bin/plugins",
+                "--symbols-path=%(symbols_path)s",
+                "--certificate-path=tests/certs",
+                "--quiet",
+                "--log-errorsummary=%(error_summary_file)s",
+                "--screenshot-on-fail",
+                "--cleanup-crashes",
+                "--marionette-startup-timeout=180",
+                "--sandbox-read-whitelist=%(abs_work_dir)s",
+            ],
+            "run_filename": "runtests.py",
+            "testsdir": "mochitest",
+        },
+        "reftest": {
+            "options": [
+                "--appname=%(binary_path)s",
+                "--utility-path=tests/bin",
+                "--extra-profile-file=tests/bin/plugins",
+                "--symbols-path=%(symbols_path)s",
+                "--log-errorsummary=%(error_summary_file)s",
+                "--cleanup-crashes",
+                "--marionette-startup-timeout=180",
+                "--sandbox-read-whitelist=%(abs_work_dir)s",
+            ],
+            "run_filename": "runreftest.py",
+            "testsdir": "reftest",
+        },
+        "xpcshell": {
+            "options": [
+                "--self-test",
+                "--symbols-path=%(symbols_path)s",
+                "--log-errorsummary=%(error_summary_file)s",
+                "--utility-path=tests/bin",
+            ],
+            "run_filename": "runxpcshelltests.py",
+            "testsdir": "xpcshell",
+        },
+        "gtest": {
+            "options": [
+                "--xre-path=%(abs_res_dir)s",
+                "--cwd=%(gtest_dir)s",
+                "--symbols-path=%(symbols_path)s",
+                "--utility-path=tests/bin",
+                "%(binary_path)s",
+            ],
+            "run_filename": "rungtests.py",
+        },
+    },
+    # local mochi suites
+    "all_mochitest_suites": {
+        "mochitest-plain": ["--chunk-by-dir=4"],
+        "mochitest-plain-gpu": ["--subsuite=gpu"],
+        "mochitest-media": ["--subsuite=media"],
+        "mochitest-chrome": ["--flavor=chrome", "--chunk-by-dir=4", "--disable-e10s"],
+        "mochitest-chrome-gpu": ["--flavor=chrome", "--subsuite=gpu", "--disable-e10s"],
+        "mochitest-browser-chrome": ["--flavor=browser", "--chunk-by-runtime"],
+        "mochitest-browser-screenshots": [
+            "--flavor=browser",
+            "--subsuite=screenshots",
+        ],
+        "mochitest-webgl1-core": ["--subsuite=webgl1-core"],
+        "mochitest-webgl1-ext": ["--subsuite=webgl1-ext"],
+        "mochitest-webgl2-core": ["--subsuite=webgl2-core"],
+        "mochitest-webgl2-ext": ["--subsuite=webgl2-ext"],
+        "mochitest-webgl2-deqp": ["--subsuite=webgl2-deqp"],
+        "mochitest-webgpu": ["--subsuite=webgpu"],
+        "mochitest-devtools-chrome": [
+            "--flavor=browser",
+            "--subsuite=devtools",
+            "--chunk-by-runtime",
+        ],
+        "mochitest-browser-a11y": ["--flavor=browser", "--subsuite=a11y"],
+        "mochitest-browser-media": ["--flavor=browser", "--subsuite=media-bc"],
+        "mochitest-a11y": ["--flavor=a11y", "--disable-e10s"],
+        "mochitest-remote": ["--flavor=browser", "--subsuite=remote"],
+    },
+    # local reftest suites
+    "all_reftest_suites": {
+        "crashtest": {
+            "options": ["--suite=crashtest", "--topsrcdir=tests/reftest/tests"],
+            "tests": ["tests/reftest/tests/testing/crashtest/crashtests.list"],
+        },
+        "jsreftest": {
+            "options": [
+                "--extra-profile-file=tests/jsreftest/tests/js/src/tests/user.js",
+                "--suite=jstestbrowser",
+                "--topsrcdir=tests/jsreftest/tests",
+            ],
+            "tests": ["tests/jsreftest/tests/js/src/tests/jstests.list"],
+        },
+        "reftest": {
+            "options": ["--suite=reftest", "--topsrcdir=tests/reftest/tests"],
+            "tests": ["tests/reftest/tests/layout/reftests/reftest.list"],
+        },
+    },
+    "all_xpcshell_suites": {
+        "xpcshell": {
+            "options": [
+                "--xpcshell=%(abs_app_dir)s/" + XPCSHELL_NAME,
+                "--http3server=%(abs_app_dir)s/" + HTTP3SERVER_NAME,
+                "--manifest=tests/xpcshell/tests/xpcshell.toml",
+            ],
+            "tests": [],
+        },
+    },
+    "all_cppunittest_suites": {"cppunittest": ["tests/cppunittest"]},
+    "all_gtest_suites": {"gtest": []},
+    "all_jittest_suites": {"jittest": [], "jittest-chunked": []},
+    "run_cmd_checks_enabled": True,
+    "preflight_run_cmd_suites": [
+        # NOTE 'enabled' is only here while we have unconsolidated configs
+        {
+            "name": "disable_screen_saver",
+            "cmd": ["xset", "s", "off", "s", "reset"],
+            "architectures": ["32bit", "64bit"],
+            "halt_on_failure": False,
+            "enabled": DISABLE_SCREEN_SAVER,
+        },
+        {
+            "name": "disable_dock",
+            "cmd": ["defaults", "write", "com.apple.dock", "autohide", "-bool", "true"],
+            "architectures": ["64bit"],
+            "halt_on_failure": True,
+            "enabled": True,
+        },
+        {
+            "name": "kill_dock",
+            "cmd": ["killall", "Dock"],
+            "architectures": ["64bit"],
+            "halt_on_failure": True,
+            "enabled": True,
+        },
+        {
+            "name": "run mouse & screen adjustment script",
+            "cmd": [
+                # when configs are consolidated this python path will only show
+                # for windows.
+                "python",
+                "../scripts/external_tools/mouse_and_screen_resolution.py",
+                "--configuration-file",
+                "../scripts/external_tools/machine-configuration.json",
+            ],
+            "architectures": ["32bit"],
+            "halt_on_failure": True,
+            "enabled": ADJUST_MOUSE_AND_SCREEN,
+        },
+    ],
+    "vcs_output_timeout": 1000,
+    "minidump_save_path": "%(abs_work_dir)s/../minidumps",
+    "unstructured_flavors": {
+        "xpcshell": [],
+        "gtest": [],
+        "cppunittest": [],
+        "jittest": [],
+    },
+    "tooltool_cache": "/builds/tooltool_cache",
+    "nodejs_path": NODEJS_PATH,
+}
diff --git a/testing/mozharness/configs/unittests/win_unittest.py b/testing/mozharness/configs/unittests/win_unittest.py
new file mode 100644
index 0000000000..d34acbeca6
--- /dev/null
+++ b/testing/mozharness/configs/unittests/win_unittest.py
@@ -0,0 +1,338 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+import platform
+import sys
+
+# OS Specifics
+ABS_WORK_DIR = os.path.join(os.getcwd(), "build")
+BINARY_PATH = os.path.join(ABS_WORK_DIR, "firefox", "firefox.exe")
+INSTALLER_PATH = os.path.join(ABS_WORK_DIR, "installer.zip")
+NODEJS_PATH = None
+if "MOZ_FETCHES_DIR" in os.environ:
+    NODEJS_PATH = os.path.join(os.environ["MOZ_FETCHES_DIR"], "node/node.exe")
+
+REQUIRE_GPU = False
+if "REQUIRE_GPU" in os.environ:
+    REQUIRE_GPU = os.environ["REQUIRE_GPU"] == "1"
+
+PYWIN32 = "pywin32==306"
+
+XPCSHELL_NAME = "xpcshell.exe"
+EXE_SUFFIX = ".exe"
+DISABLE_SCREEN_SAVER = False
+ADJUST_MOUSE_AND_SCREEN = True
+DESKTOP_VISUALFX_THEME = {
+    "Let Windows choose": 0,
+    "Best appearance": 1,
+    "Best performance": 2,
+    "Custom": 3,
+}.get("Best appearance")
+TASKBAR_AUTOHIDE_REG_PATH = {
+    "Windows 7": r"HKCU:SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StuckRects2",
+    "Windows 10": r"HKCU:SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StuckRects3",
+}.get("{} {}".format(platform.system(), platform.release()))
+#####
+config = {
+    "exes": {
+        "python": sys.executable,
+        "hg": os.path.join(os.environ.get("PROGRAMFILES", ""), "Mercurial", "hg"),
+    },
+    ###
+    "installer_path": INSTALLER_PATH,
+    "binary_path": BINARY_PATH,
+    "xpcshell_name": XPCSHELL_NAME,
+    "virtualenv_modules": [PYWIN32, "six==1.13.0", "vcversioner==2.16.0.0"],
+    "virtualenv_path": "venv",
+    "exe_suffix": EXE_SUFFIX,
+    "run_file_names": {
+        "mochitest": "runtests.py",
+        "reftest": "runreftest.py",
+        "xpcshell": "runxpcshelltests.py",
+        "cppunittest": "runcppunittests.py",
+        "gtest": "rungtests.py",
+        "jittest": "jit_test.py",
+    },
+    "minimum_tests_zip_dirs": [
+        "bin/*",
+        "certs/*",
+        "config/*",
+        "mach",
+        "marionette/*",
+        "modules/*",
+        "mozbase/*",
+        "tools/*",
+        "mozpack/*",
+        "mozbuild/*",
+    ],
+    "suite_definitions": {
+        "cppunittest": {
+            "options": [
+                "--symbols-path=%(symbols_path)s",
+                "--utility-path=tests/bin",
+                "--xre-path=%(abs_app_dir)s",
+            ],
+            "run_filename": "runcppunittests.py",
+            "testsdir": "cppunittest",
+        },
+        "jittest": {
+            "options": [
+                "tests/bin/js",
+                "--no-slow",
+                "--no-progress",
+                "--format=automation",
+                "--jitflags=all",
+                "--timeout=970",  # Keep in sync with run_timeout below.
+            ],
+            "run_filename": "jit_test.py",
+            "testsdir": "jit-test/jit-test",
+            "run_timeout": 1000,  # Keep in sync with --timeout above.
+        },
+        "mochitest": {
+            "options": [
+                "--appname=%(binary_path)s",
+                "--utility-path=tests/bin",
+                "--extra-profile-file=tests/bin/plugins",
+                "--symbols-path=%(symbols_path)s",
+                "--certificate-path=tests/certs",
+                "--quiet",
+                "--log-errorsummary=%(error_summary_file)s",
+                "--screenshot-on-fail",
+                "--cleanup-crashes",
+                "--marionette-startup-timeout=180",
+            ],
+            "run_filename": "runtests.py",
+            "testsdir": "mochitest",
+        },
+        "reftest": {
+            "options": [
+                "--appname=%(binary_path)s",
+                "--utility-path=tests/bin",
+                "--extra-profile-file=tests/bin/plugins",
+                "--symbols-path=%(symbols_path)s",
+                "--log-errorsummary=%(error_summary_file)s",
+                "--cleanup-crashes",
+                "--marionette-startup-timeout=180",
+                "--sandbox-read-whitelist=%(abs_work_dir)s",
+            ],
+            "run_filename": "runreftest.py",
+            "testsdir": "reftest",
+        },
+        "xpcshell": {
+            "options": [
+                "--self-test",
+                "--symbols-path=%(symbols_path)s",
+                "--log-errorsummary=%(error_summary_file)s",
+                "--utility-path=tests/bin",
+                "--manifest=tests/xpcshell/tests/xpcshell.toml",
+            ],
+            "run_filename": "runxpcshelltests.py",
+            "testsdir": "xpcshell",
+        },
+        "gtest": {
+            "options": [
+                "--xre-path=%(abs_res_dir)s",
+                "--cwd=%(gtest_dir)s",
+                "--symbols-path=%(symbols_path)s",
+                "--utility-path=tests/bin",
+                "%(binary_path)s",
+            ],
+            "run_filename": "rungtests.py",
+        },
+    },
+    # local mochi suites
+    "all_mochitest_suites": {
+        "mochitest-plain": ["--chunk-by-dir=4"],
+        "mochitest-plain-gpu": ["--subsuite=gpu"],
+        "mochitest-media": ["--subsuite=media"],
+        "mochitest-chrome": ["--flavor=chrome", "--chunk-by-dir=4", "--disable-e10s"],
+        "mochitest-chrome-gpu": ["--flavor=chrome", "--subsuite=gpu", "--disable-e10s"],
+        "mochitest-browser-chrome": ["--flavor=browser", "--chunk-by-runtime"],
+        "mochitest-browser-screenshots": [
+            "--flavor=browser",
+            "--subsuite=screenshots",
+        ],
+        "mochitest-webgl1-core": ["--subsuite=webgl1-core"],
+        "mochitest-webgl1-ext": ["--subsuite=webgl1-ext"],
+        "mochitest-webgl2-core": ["--subsuite=webgl2-core"],
+        "mochitest-webgl2-ext": ["--subsuite=webgl2-ext"],
+        "mochitest-webgl2-deqp": ["--subsuite=webgl2-deqp"],
+        "mochitest-webgpu": ["--subsuite=webgpu"],
+        "mochitest-devtools-chrome": [
+            "--flavor=browser",
+            "--subsuite=devtools",
+            "--chunk-by-runtime",
+        ],
+        "mochitest-browser-a11y": ["--flavor=browser", "--subsuite=a11y"],
+        "mochitest-browser-media": ["--flavor=browser", "--subsuite=media-bc"],
+        "mochitest-a11y": ["--flavor=a11y", "--disable-e10s"],
+        "mochitest-remote": ["--flavor=browser", "--subsuite=remote"],
+    },
+    # local reftest suites
+    "all_reftest_suites": {
+        "crashtest": {
+            "options": ["--suite=crashtest", "--topsrcdir=tests/reftest/tests"],
+            "tests": ["tests/reftest/tests/testing/crashtest/crashtests.list"],
+        },
+        "jsreftest": {
+            "options": [
+                "--extra-profile-file=tests/jsreftest/tests/js/src/tests/user.js",
+                "--suite=jstestbrowser",
+                "--topsrcdir=tests/jsreftest/tests",
+            ],
+            "tests": ["tests/jsreftest/tests/js/src/tests/jstests.list"],
+        },
+        "reftest": {
+            "options": ["--suite=reftest", "--topsrcdir=tests/reftest/tests"],
+            "tests": ["tests/reftest/tests/layout/reftests/reftest.list"],
+        },
+        "reftest-no-accel": {
+            "options": [
+                "--suite=reftest",
+                "--setpref=layers.acceleration.disabled=true",
+                "--topsrcdir=tests/reftest/tests",
+            ],
+            "tests": ["tests/reftest/tests/layout/reftests/reftest.list"],
+        },
+    },
+    "all_xpcshell_suites": {
+        "xpcshell": {
+            "options": [
+                "--xpcshell=%(abs_app_dir)s/" + XPCSHELL_NAME,
+            ],
+            "tests": [],
+        },
+        "xpcshell-msix": {
+            "options": [
+                "--app-binary=%(binary_path)s",
+                "--app-path=%(install_dir)s",
+                "--xre-path=%(install_dir)s",
+            ],
+            "tests": [],
+        },
+    },
+    "all_cppunittest_suites": {"cppunittest": ["tests/cppunittest"]},
+    "all_gtest_suites": {"gtest": []},
+    "all_jittest_suites": {
+        "jittest": [],
+        "jittest-chunked": [],
+    },
+    "run_cmd_checks_enabled": True,
+    "preflight_run_cmd_suites": [
+        {
+            "name": "disable_screen_saver",
+            "cmd": ["xset", "s", "off", "s", "reset"],
+            "architectures": ["32bit", "64bit"],
+            "halt_on_failure": False,
+            "enabled": DISABLE_SCREEN_SAVER,
+        },
+        {
+            "name": "run mouse & screen adjustment script",
+            "cmd": [
+                sys.executable,
+                os.path.join(
+                    os.getcwd(),
+                    "mozharness",
+                    "external_tools",
+                    "mouse_and_screen_resolution.py",
+                ),
+                "--configuration-file",
+                os.path.join(
+                    os.getcwd(),
+                    "mozharness",
+                    "external_tools",
+                    "machine-configuration.json",
+                ),
+                "--platform=win10-vm"
+                if REQUIRE_GPU and (platform.uname().version == "10.0.19045")
+                else "--platform=win11-hw"
+                if REQUIRE_GPU and (platform.uname().version == "10.0.22621")
+                else "--platform=win7",
+            ],
+            "architectures": ["32bit", "64bit"],
+            "halt_on_failure": True,
+            "enabled": ADJUST_MOUSE_AND_SCREEN,
+        },
+        {
+            "name": "disable windows security and maintenance notifications",
+            "cmd": [
+                "powershell",
+                "-command",
+                "\"&{$p='HKCU:SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Notifications\\Settings\\Windows.SystemToast.SecurityAndMaintenance';if(!(Test-Path -Path $p)){&New-Item -Path $p -Force}&Set-ItemProperty -Path $p -Name Enabled -Value 0}\"",  # noqa
+            ],
+            "architectures": ["32bit", "64bit"],
+            "halt_on_failure": True,
+            "enabled": (platform.release() == "10"),
+        },
+        {
+            "name": "set windows VisualFX",
+            "cmd": [
+                "powershell",
+                "-command",
+                "\"&{{&Set-ItemProperty -Path 'HKCU:Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\VisualEffects' -Name VisualFXSetting -Value {}}}\"".format(
+                    DESKTOP_VISUALFX_THEME
+                ),
+            ],
+            "architectures": ["32bit", "64bit"],
+            "halt_on_failure": True,
+            "enabled": True,
+        },
+        {
+            "name": "create scrollbars always show key",
+            "cmd": [
+                "powershell",
+                "-command",
+                "New-ItemProperty -Path 'HKCU:\\Control Panel\\Accessibility' -Name 'DynamicScrollbars' -Value 0",
+            ],
+            "architectures": ["32bit", "64bit"],
+            "halt_on_failure": False,
+            "enabled": True,
+        },
+        {
+            "name": "hide windows taskbar",
+            "cmd": [
+                "powershell",
+                "-command",
+                "\"&{{$p='{}';$v=(Get-ItemProperty -Path $p).Settings;$v[8]=3;&Set-ItemProperty -Path $p -Name Settings -Value $v}}\"".format(
+                    TASKBAR_AUTOHIDE_REG_PATH
+                ),
+            ],
+            "architectures": ["32bit", "64bit"],
+            "halt_on_failure": True,
+            "enabled": True,
+        },
+        {
+            "name": "restart windows explorer",
+            "cmd": [
+                "powershell",
+                "-command",
+                '"&{&Stop-Process -ProcessName explorer}"',
+            ],
+            "architectures": ["32bit", "64bit"],
+            "halt_on_failure": True,
+            "enabled": True,
+        },
+        {
+            "name": "prepare chrome profile",
+            "cmd": [
+                "powershell",
+                "-command",
+                "if (test-path ${env:ProgramFiles(x86)}\\Google\\Chrome\\Application\\chrome.exe) {start chrome; Start-Sleep -s 30; taskkill /F /IM chrome.exe /T}",
+            ],
+            "architectures": ["32bit", "64bit"],
+            "halt_on_failure": True,
+            "enabled": True,
+        },
+    ],
+    "vcs_output_timeout": 1000,
+    "minidump_save_path": "%(abs_work_dir)s/../minidumps",
+    "unstructured_flavors": {
+        "xpcshell": [],
+        "gtest": [],
+        "cppunittest": [],
+        "jittest": [],
+    },
+    "nodejs_path": NODEJS_PATH,
+}
diff --git a/testing/mozharness/configs/web_platform_tests/prod_config.py b/testing/mozharness/configs/web_platform_tests/prod_config.py
new file mode 100644
index 0000000000..ee3f192b68
--- /dev/null
+++ b/testing/mozharness/configs/web_platform_tests/prod_config.py
@@ -0,0 +1,50 @@
+# ***** BEGIN LICENSE BLOCK *****
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this file,
+# You can obtain one at http://mozilla.org/MPL/2.0/.
+# ***** END LICENSE BLOCK *****
+
+import os
+
+# OS Specifics
+DISABLE_SCREEN_SAVER = True
+ADJUST_MOUSE_AND_SCREEN = False
+#####
+
+config = {
+    "options": [
+        "--prefs-root=%(test_path)s/prefs",
+        "--config=%(test_path)s/wptrunner.ini",
+        "--ca-cert-path=%(test_path)s/tests/tools/certs/cacert.pem",
+        "--host-key-path=%(test_path)s/tests/tools/certs/web-platform.test.key",
+        "--host-cert-path=%(test_path)s/tests/tools/certs/web-platform.test.pem",
+        "--certutil-binary=%(test_install_path)s/bin/certutil",
+    ],
+    "geckodriver": os.path.join("%(abs_fetches_dir)s", "geckodriver"),
+    "per_test_category": "web-platform",
+    "run_cmd_checks_enabled": True,
+    "preflight_run_cmd_suites": [
+        # NOTE 'enabled' is only here while we have unconsolidated configs
+        {
+            "name": "disable_screen_saver",
+            "cmd": ["xset", "s", "off", "s", "reset"],
+            "halt_on_failure": False,
+            "architectures": ["32bit", "64bit"],
+            "enabled": DISABLE_SCREEN_SAVER,
+        },
+        {
+            "name": "run mouse & screen adjustment script",
+            "cmd": [
+                # when configs are consolidated this python path will only show
+                # for windows.
+                "python",
+                "../scripts/external_tools/mouse_and_screen_resolution.py",
+                "--configuration-file",
+                "../scripts/external_tools/machine-configuration.json",
+            ],
+            "architectures": ["32bit"],
+            "halt_on_failure": True,
+            "enabled": ADJUST_MOUSE_AND_SCREEN,
+        },
+    ],
+}
diff --git a/testing/mozharness/configs/web_platform_tests/prod_config_android.py b/testing/mozharness/configs/web_platform_tests/prod_config_android.py
new file mode 100644
index 0000000000..f1644d26fd
--- /dev/null
+++ b/testing/mozharness/configs/web_platform_tests/prod_config_android.py
@@ -0,0 +1,25 @@
+# ***** BEGIN LICENSE BLOCK *****
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this file,
+# You can obtain one at http://mozilla.org/MPL/2.0/.
+# ***** END LICENSE BLOCK *****
+import os
+
+config = {
+    "options": [
+        "--prefs-root=%(test_path)s/prefs",
+        "--config=%(test_path)s/wptrunner.ini",
+        "--ca-cert-path=%(test_path)s/tests/tools/certs/cacert.pem",
+        "--host-key-path=%(test_path)s/tests/tools/certs/web-platform.test.key",
+        "--host-cert-path=%(test_path)s/tests/tools/certs/web-platform.test.pem",
+        "--certutil-binary=%(xre_path)s/certutil",
+        "--product=firefox_android",
+    ],
+    "binary_path": "/tmp",
+    "geckodriver": "%(abs_fetches_dir)s/geckodriver",
+    "hostutils_manifest_path": "testing/config/tooltool-manifests/linux64/hostutils.manifest",
+    "log_tbpl_level": "info",
+    "log_raw_level": "info",
+    "per_test_category": "web-platform",
+    "tooltool_cache": os.environ.get("TOOLTOOL_CACHE"),
+}
diff --git a/testing/mozharness/configs/web_platform_tests/prod_config_mac.py b/testing/mozharness/configs/web_platform_tests/prod_config_mac.py
new file mode 100644
index 0000000000..17a0133003
--- /dev/null
+++ b/testing/mozharness/configs/web_platform_tests/prod_config_mac.py
@@ -0,0 +1,50 @@
+# ***** BEGIN LICENSE BLOCK *****
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this file,
+# You can obtain one at http://mozilla.org/MPL/2.0/.
+# ***** END LICENSE BLOCK *****
+
+import os
+
+# OS Specifics
+DISABLE_SCREEN_SAVER = False
+ADJUST_MOUSE_AND_SCREEN = False
+#####
+
+config = {
+    "options": [
+        "--prefs-root=%(test_path)s/prefs",
+        "--config=%(test_path)s/wptrunner.ini",
+        "--ca-cert-path=%(test_path)s/tests/tools/certs/cacert.pem",
+        "--host-key-path=%(test_path)s/tests/tools/certs/web-platform.test.key",
+        "--host-cert-path=%(test_path)s/tests/tools/certs/web-platform.test.pem",
+        "--certutil-binary=%(test_install_path)s/bin/certutil",
+    ],
+    "geckodriver": os.path.join("%(abs_fetches_dir)s", "geckodriver"),
+    "per_test_category": "web-platform",
+    "run_cmd_checks_enabled": True,
+    "preflight_run_cmd_suites": [
+        # NOTE 'enabled' is only here while we have unconsolidated configs
+        {
+            "name": "disable_screen_saver",
+            "cmd": ["xset", "s", "off", "s", "reset"],
+            "halt_on_failure": False,
+            "architectures": ["32bit", "64bit"],
+            "enabled": DISABLE_SCREEN_SAVER,
+        },
+        {
+            "name": "run mouse & screen adjustment script",
+            "cmd": [
+                # when configs are consolidated this python path will only show
+                # for windows.
+                "python",
+                "../scripts/external_tools/mouse_and_screen_resolution.py",
+                "--configuration-file",
+                "../scripts/external_tools/machine-configuration.json",
+            ],
+            "architectures": ["32bit"],
+            "halt_on_failure": True,
+            "enabled": ADJUST_MOUSE_AND_SCREEN,
+        },
+    ],
+}
diff --git a/testing/mozharness/configs/web_platform_tests/prod_config_windows.py b/testing/mozharness/configs/web_platform_tests/prod_config_windows.py
new file mode 100644
index 0000000000..738671d01f
--- /dev/null
+++ b/testing/mozharness/configs/web_platform_tests/prod_config_windows.py
@@ -0,0 +1,58 @@
+# ***** BEGIN LICENSE BLOCK *****
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this file,
+# You can obtain one at http://mozilla.org/MPL/2.0/.
+# ***** END LICENSE BLOCK *****
+
+# This is a template config file for web-platform-tests test.
+
+import os
+import sys
+
+# OS Specifics
+DISABLE_SCREEN_SAVER = False
+ADJUST_MOUSE_AND_SCREEN = True
+#####
+
+
+config = {
+    "options": [
+        "--prefs-root=%(test_path)s\\prefs",
+        "--config=%(test_path)s\\wptrunner.ini",
+        "--ca-cert-path=%(test_path)s\\tests\\tools\\certs\\cacert.pem",
+        "--host-key-path=%(test_path)s\\tests\\tools\\certs\\web-platform.test.key",
+        "--host-cert-path=%(test_path)s\\tests\\tools\\certs\\web-platform.test.pem",
+        "--certutil-binary=%(test_install_path)s\\bin\\certutil.exe",
+    ],
+    "exes": {
+        "python": sys.executable,
+        "hg": "c:\\mozilla-build\\hg\\hg",
+    },
+    "geckodriver": os.path.join("%(abs_fetches_dir)s", "geckodriver.exe"),
+    "per_test_category": "web-platform",
+    "run_cmd_checks_enabled": True,
+    "preflight_run_cmd_suites": [
+        # NOTE 'enabled' is only here while we have unconsolidated configs
+        {
+            "name": "disable_screen_saver",
+            "cmd": ["xset", "s", "off", "s", "reset"],
+            "architectures": ["32bit", "64bit"],
+            "halt_on_failure": False,
+            "enabled": DISABLE_SCREEN_SAVER,
+        },
+        {
+            "name": "run mouse & screen adjustment script",
+            "cmd": [
+                # when configs are consolidated this python path will only show
+                # for windows.
+                sys.executable,
+                "..\\scripts\\external_tools\\mouse_and_screen_resolution.py",
+                "--configuration-file",
+                "..\\scripts\\external_tools\\machine-configuration.json",
+            ],
+            "architectures": ["32bit"],
+            "halt_on_failure": True,
+            "enabled": ADJUST_MOUSE_AND_SCREEN,
+        },
+    ],
+}
diff --git a/testing/mozharness/configs/web_platform_tests/prod_config_windows_taskcluster.py b/testing/mozharness/configs/web_platform_tests/prod_config_windows_taskcluster.py
new file mode 100644
index 0000000000..7e84f69be4
--- /dev/null
+++ b/testing/mozharness/configs/web_platform_tests/prod_config_windows_taskcluster.py
@@ -0,0 +1,134 @@
+# ***** BEGIN LICENSE BLOCK *****
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this file,
+# You can obtain one at http://mozilla.org/MPL/2.0/.
+# ***** END LICENSE BLOCK *****
+
+# This is a template config file for web-platform-tests test.
+
+import os
+import platform
+import sys
+
+# OS Specifics
+DISABLE_SCREEN_SAVER = False
+ADJUST_MOUSE_AND_SCREEN = True
+DESKTOP_VISUALFX_THEME = {
+    "Let Windows choose": 0,
+    "Best appearance": 1,
+    "Best performance": 2,
+    "Custom": 3,
+}.get("Best appearance")
+TASKBAR_AUTOHIDE_REG_PATH = {
+    "Windows 7": "HKCU:SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StuckRects2",
+    "Windows 10": "HKCU:SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StuckRects3",
+}.get("{} {}".format(platform.system(), platform.release()))
+#####
+
+config = {
+    "options": [
+        "--prefs-root=%(test_path)s\\prefs",
+        "--config=%(test_path)s\\wptrunner.ini",
+        "--ca-cert-path=%(test_path)s\\tests\\tools\\certs\\cacert.pem",
+        "--host-key-path=%(test_path)s\\tests\\tools\\certs\\web-platform.test.key",
+        "--host-cert-path=%(test_path)s\\tests\\tools\\certs\\web-platform.test.pem",
+        "--certutil-binary=%(test_install_path)s\\bin\\certutil.exe",
+    ],
+    "exes": {
+        "python": sys.executable,
+        "hg": os.path.join(os.environ["PROGRAMFILES"], "Mercurial", "hg"),
+    },
+    "run_cmd_checks_enabled": True,
+    "preflight_run_cmd_suites": [
+        {
+            "name": "disable_screen_saver",
+            "cmd": ["xset", "s", "off", "s", "reset"],
+            "architectures": ["32bit", "64bit"],
+            "halt_on_failure": False,
+            "enabled": DISABLE_SCREEN_SAVER,
+        },
+        {
+            "name": "run mouse & screen adjustment script",
+            "cmd": [
+                sys.executable,
+                os.path.join(
+                    os.getcwd(),
+                    "mozharness",
+                    "external_tools",
+                    "mouse_and_screen_resolution.py",
+                ),
+                "--configuration-file",
+                os.path.join(
+                    os.getcwd(),
+                    "mozharness",
+                    "external_tools",
+                    "machine-configuration.json",
+                ),
+            ],
+            "architectures": ["32bit", "64bit"],
+            "halt_on_failure": True,
+            "enabled": ADJUST_MOUSE_AND_SCREEN,
+        },
+        {
+            "name": "disable windows security and maintenance notifications",
+            "cmd": [
+                "powershell",
+                "-command",
+                r"\"&{$p='HKCU:SOFTWARE\Microsoft\Windows\CurrentVersion\Notifications\Settings\Windows.SystemToast.SecurityAndMaintenance';if(!(Test-Path -Path $p)){&New-Item -Path $p -Force}&Set-ItemProperty -Path $p -Name Enabled -Value 0}\"",  # noqa
+            ],
+            "architectures": ["32bit", "64bit"],
+            "halt_on_failure": True,
+            "enabled": (platform.release() == 10),
+        },
+        {
+            "name": "set windows VisualFX",
+            "cmd": [
+                "powershell",
+                "-command",
+                "\"&{{&Set-ItemProperty -Path 'HKCU:Software\Microsoft\Windows\CurrentVersion\Explorer\VisualEffects' -Name VisualFXSetting -Value {}}}\"".format(
+                    DESKTOP_VISUALFX_THEME
+                ),
+            ],
+            "architectures": ["32bit", "64bit"],
+            "halt_on_failure": True,
+            "enabled": True,
+        },
+        {
+            "name": "create scrollbars always show key",
+            "cmd": [
+                "powershell",
+                "-command",
+                "New-ItemProperty -Path 'HKCU:\Control Panel\Accessibility' -Name 'DynamicScrollbars' -Value 0",
+            ],
+            "architectures": ["32bit", "64bit"],
+            "halt_on_failure": False,
+            "enabled": True,
+        },
+        {
+            "name": "hide windows taskbar",
+            "cmd": [
+                "powershell",
+                "-command",
+                "\"&{{$p='{}';$v=(Get-ItemProperty -Path $p).Settings;$v[8]=3;&Set-ItemProperty -Path $p -Name Settings -Value $v}}\"".format(
+                    TASKBAR_AUTOHIDE_REG_PATH
+                ),
+            ],
+            "architectures": ["32bit", "64bit"],
+            "halt_on_failure": True,
+            "enabled": True,
+        },
+        {
+            "name": "restart windows explorer",
+            "cmd": [
+                "powershell",
+                "-command",
+                '"&{&Stop-Process -ProcessName explorer}"',
+            ],
+            "architectures": ["32bit", "64bit"],
+            "halt_on_failure": True,
+            "enabled": True,
+        },
+    ],
+    "geckodriver": os.path.join("%(abs_fetches_dir)s", "geckodriver.exe"),
+    "per_test_category": "web-platform",
+}
diff --git a/testing/mozharness/configs/web_platform_tests/test_config.py b/testing/mozharness/configs/web_platform_tests/test_config.py
new file mode 100644
index 0000000000..a9787185a7
--- /dev/null
+++ b/testing/mozharness/configs/web_platform_tests/test_config.py
@@ -0,0 +1,24 @@
+# ***** BEGIN LICENSE BLOCK *****
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this file,
+# You can obtain one at http://mozilla.org/MPL/2.0/.
+# ***** END LICENSE BLOCK *****
+
+config = {
+    "options": [
+        "--prefs-root=%(test_path)s/prefs",
+        "--config=%(test_path)s/wptrunner.ini",
+        "--ca-cert-path=%(test_path)s/tests/tools/certs/cacert.pem",
+        "--host-key-path=%(test_path)s/tests/tools/certs/web-platform.test.key",
+        "--host-cert-path=%(test_path)s/tests/tools/certs/web-platform.test.pem",
+        "--certutil-binary=%(test_install_path)s/bin/certutil",
+    ],
+    "default_actions": [
+        "clobber",
+        "download-and-extract",
+        "create-virtualenv",
+        "pull",
+        "install",
+        "run-tests",
+    ],
+}
diff --git a/testing/mozharness/configs/web_platform_tests/test_config_windows.py b/testing/mozharness/configs/web_platform_tests/test_config_windows.py
new file mode 100644
index 0000000000..6822769bec
--- /dev/null
+++ b/testing/mozharness/configs/web_platform_tests/test_config_windows.py
@@ -0,0 +1,30 @@
+# ***** BEGIN LICENSE BLOCK *****
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this file,
+# You can obtain one at http://mozilla.org/MPL/2.0/.
+# ***** END LICENSE BLOCK *****
+
+import sys
+
+config = {
+    "options": [
+        "--prefs-root=%(test_path)s\\prefs",
+        "--config=%(test_path)s\\wptrunner.ini",
+        "--ca-cert-path=%(test_path)s\\tests\\tools\\certs\\cacert.pem",
+        "--host-key-path=%(test_path)s\\tests\\tools\\certs\\web-platform.test.key",
+        "--host-cert-path=%(test_path)s\\tests\\tools\\certs\\web-platform.test.pem",
+        "--certutil-binary=%(test_install_path)s\\bin\\certutil.exe",
+    ],
+    "exes": {
+        "python": sys.executable,
+        "hg": "c:\\mozilla-build\\hg\\hg",
+    },
+    "default_actions": [
+        "clobber",
+        "download-and-extract",
+        "create-virtualenv",
+        "pull",
+        "install",
+        "run-tests",
+    ],
+}