1 files changed, 49 insertions, 0 deletions
diff --git a/taskcluster/taskgraph/actions/scriptworker_canary.py b/taskcluster/taskgraph/actions/scriptworker_canary.py
new file mode 100644
index 0000000000..6af2c0ffc7
--- /dev/null
+++ b/taskcluster/taskgraph/actions/scriptworker_canary.py
@@ -0,0 +1,49 @@
+# -*- coding: utf-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/.
+
+from __future__ import absolute_import, print_function, unicode_literals
+
+from taskgraph.decision import taskgraph_decision
+from taskgraph.parameters import Parameters
+
+from .registry import register_callback_action
+
+
+@register_callback_action(
+    title="Push scriptworker canaries.",
+    name="scriptworker-canary",
+    symbol="scriptworker-canary",
+    description="Trigger scriptworker-canary pushes for the given scriptworkers.",
+    schema={
+        "type": "object",
+        "properties": {
+            "scriptworkers": {
+                "type": "array",
+                "description": "List of scriptworker types to run canaries for.",
+                "items": {"type": "string"},
+            },
+        },
+    },
+    order=1000,
+    permission="scriptworker-canary",
+    context=[],
+)
+def scriptworker_canary(parameters, graph_config, input, task_group_id, task_id):
+    scriptworkers = input["scriptworkers"]
+
+    # make parameters read-write
+    parameters = dict(parameters)
+
+    parameters["target_tasks_method"] = "scriptworker_canary"
+    parameters["try_task_config"] = {
+        "scriptworker-canary-workers": scriptworkers,
+    }
+    parameters["tasks_for"] = "action"
+
+    # make parameters read-only
+    parameters = Parameters(**parameters)
+
+    taskgraph_decision({"root": graph_config.root_dir}, parameters=parameters)