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Diffstat (limited to '')
| -rw-r--r-- | tools/browsertime/mach_commands.py | 689 |
1 files changed, 689 insertions, 0 deletions
diff --git a/tools/browsertime/mach_commands.py b/tools/browsertime/mach_commands.py new file mode 100644 index 0000000000..68e9e3d5e7 --- /dev/null +++ b/tools/browsertime/mach_commands.py @@ -0,0 +1,689 @@ +# 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/. + +r"""Make it easy to install and run [browsertime](https://github.com/sitespeedio/browsertime). + +Browsertime is a harness for running performance tests, similar to +Mozilla's Raptor testing framework. Browsertime is written in Node.js +and uses Selenium WebDriver to drive multiple browsers including +Chrome, Chrome for Android, Firefox, and (pending the resolution of +[Bug 1525126](https://bugzilla.mozilla.org/show_bug.cgi?id=1525126) +and similar tickets) Firefox for Android and GeckoView-based vehicles. + +Right now a custom version of browsertime and the underlying +geckodriver binary are needed to support GeckoView-based vehicles; +this module accommodates those in-progress custom versions. + +To get started, run +``` +./mach browsertime --setup [--clobber] +``` +This will populate `tools/browsertime/node_modules`. + +To invoke browsertime, run +``` +./mach browsertime [ARGS] +``` +All arguments are passed through to browsertime. +""" + +import argparse +import collections +import contextlib +import json +import logging +import os +import platform +import re +import stat +import subprocess +import sys +import time + +import mozpack.path as mozpath +from mach.decorators import Command, CommandArgument +from mozbuild.base import BinaryNotFoundException, MachCommandBase +from mozbuild.util import mkdir +from six import StringIO + +AUTOMATION = "MOZ_AUTOMATION" in os.environ +BROWSERTIME_ROOT = os.path.dirname(__file__) + +PILLOW_VERSION = "8.4.0" # version 8.4.0 currently supports python 3.6 to 3.10 +PYSSIM_VERSION = "0.4" +SCIPY_VERSION = "1.2.3" +NUMPY_VERSION = "1.16.1" +OPENCV_VERSION = "4.5.4.60" + +py3_minor = sys.version_info.minor +if py3_minor > 7: + SCIPY_VERSION = "1.7.3" + NUMPY_VERSION = "1.22.0" + PILLOW_VERSION = "9.0.0" + +MIN_NODE_VERSION = "16.0.0" + +IS_APPLE_SILICON = sys.platform.startswith( + "darwin" +) and platform.processor().startswith("arm") + + +@contextlib.contextmanager +def silence(): + oldout, olderr = sys.stdout, sys.stderr + try: + sys.stdout, sys.stderr = StringIO(), StringIO() + yield + finally: + sys.stdout, sys.stderr = oldout, olderr + + +def node_path(command_context): + import platform + + from mozbuild.nodeutil import find_node_executable + from packaging.version import Version + + state_dir = command_context._mach_context.state_dir + cache_path = os.path.join(state_dir, "browsertime", "node-16") + + NODE_FAILURE_MSG = ( + "Could not locate a node binary that is at least version {}. ".format( + MIN_NODE_VERSION + ) + + "Please run `./mach raptor --browsertime -t amazon` to install it " + + "from the Taskcluster Toolchain artifacts." + ) + + # Check standard locations first + node_exe = find_node_executable(min_version=Version(MIN_NODE_VERSION)) + if node_exe and (node_exe[0] is not None): + return os.path.abspath(node_exe[0]) + if not os.path.exists(cache_path): + raise Exception(NODE_FAILURE_MSG) + + # Check the browsertime-specific node location next + node_name = "node" + if platform.system() == "Windows": + node_name = "node.exe" + node_exe_path = os.path.join( + state_dir, + "browsertime", + "node-16", + "node", + ) + else: + node_exe_path = os.path.join( + state_dir, + "browsertime", + "node-16", + "node", + "bin", + ) + + node_exe = os.path.join(node_exe_path, node_name) + if not os.path.exists(node_exe): + raise Exception(NODE_FAILURE_MSG) + + return os.path.abspath(node_exe) + + +def package_path(): + """The path to the `browsertime` directory. + + Override the default with the `BROWSERTIME` environment variable.""" + override = os.environ.get("BROWSERTIME", None) + if override: + return override + + return mozpath.join(BROWSERTIME_ROOT, "node_modules", "browsertime") + + +def browsertime_path(): + """The path to the `browsertime.js` script.""" + # On Windows, invoking `node_modules/.bin/browsertime{.cmd}` + # doesn't work when invoked as an argument to our specific + # binary. Since we want our version of node, invoke the + # actual script directly. + return mozpath.join(package_path(), "bin", "browsertime.js") + + +def visualmetrics_path(): + """The path to the `visualmetrics.py` script.""" + return mozpath.join(package_path(), "browsertime", "visualmetrics-portable.py") + + +def host_platform(): + is_64bits = sys.maxsize > 2 ** 32 + + if sys.platform.startswith("win"): + if is_64bits: + return "win64" + elif sys.platform.startswith("linux"): + if is_64bits: + return "linux64" + elif sys.platform.startswith("darwin"): + return "darwin" + + raise ValueError("sys.platform is not yet supported: {}".format(sys.platform)) + + +# Map from `host_platform()` to a `fetch`-like syntax. +host_fetches = { + "darwin": { + "ffmpeg": { + "type": "static-url", + "url": "https://github.com/mozilla/perf-automation/releases/download/FFMPEG-v4.4.1/ffmpeg-macos.zip", # noqa + # An extension to `fetch` syntax. + "path": "ffmpeg-macos", + }, + }, + "linux64": { + "ffmpeg": { + "type": "static-url", + "url": "https://github.com/mozilla/perf-automation/releases/download/FFMPEG-v4.4.1/ffmpeg-4.4.1-i686-static.tar.xz", # noqa + # An extension to `fetch` syntax. + "path": "ffmpeg-4.4.1-i686-static", + }, + }, + "win64": { + "ffmpeg": { + "type": "static-url", + "url": "https://github.com/mozilla/perf-automation/releases/download/FFMPEG-v4.4.1/ffmpeg-4.4.1-full_build.zip", # noqa + # An extension to `fetch` syntax. + "path": "ffmpeg-4.4.1-full_build", + }, + }, +} + + +def artifact_cache_path(command_context): + r"""Downloaded artifacts will be kept here.""" + # The convention is $MOZBUILD_STATE_PATH/cache/$FEATURE. + return mozpath.join(command_context._mach_context.state_dir, "cache", "browsertime") + + +def state_path(command_context): + r"""Unpacked artifacts will be kept here.""" + # The convention is $MOZBUILD_STATE_PATH/$FEATURE. + return mozpath.join(command_context._mach_context.state_dir, "browsertime") + + +def setup_prerequisites(command_context): + r"""Install browsertime and visualmetrics.py prerequisites.""" + + from mozbuild.action.tooltool import unpack_file + from mozbuild.artifact_cache import ArtifactCache + + # Download the visualmetrics-portable.py requirements. + artifact_cache = ArtifactCache( + artifact_cache_path(command_context), + log=command_context.log, + skip_cache=False, + ) + + fetches = host_fetches[host_platform()] + for tool, fetch in sorted(fetches.items()): + archive = artifact_cache.fetch(fetch["url"]) + # TODO: assert type, verify sha256 (and size?). + + if fetch.get("unpack", True): + cwd = os.getcwd() + try: + mkdir(state_path(command_context)) + os.chdir(state_path(command_context)) + command_context.log( + logging.INFO, + "browsertime", + {"path": archive}, + "Unpacking temporary location {path}", + ) + + unpack_file(archive) + + # Make sure the expected path exists after extraction + path = os.path.join(state_path(command_context), fetch.get("path")) + if not os.path.exists(path): + raise Exception("Cannot find an extracted directory: %s" % path) + + try: + # Some archives provide binaries that don't have the + # executable bit set so we need to set it here + for root, dirs, files in os.walk(path): + for edir in dirs: + loc_to_change = os.path.join(root, edir) + st = os.stat(loc_to_change) + os.chmod(loc_to_change, st.st_mode | stat.S_IEXEC) + for efile in files: + loc_to_change = os.path.join(root, efile) + st = os.stat(loc_to_change) + os.chmod(loc_to_change, st.st_mode | stat.S_IEXEC) + except Exception as e: + raise Exception( + "Could not set executable bit in %s, error: %s" % (path, str(e)) + ) + finally: + os.chdir(cwd) + + +def setup_browsertime( + command_context, + should_clobber=False, + new_upstream_url="", + install_vismet_reqs=False, +): + r"""Install browsertime and visualmetrics.py prerequisites and the Node.js package.""" + + sys.path.append(mozpath.join(command_context.topsrcdir, "tools", "lint", "eslint")) + import setup_helper + + if not new_upstream_url: + setup_prerequisites(command_context) + + if new_upstream_url: + package_json_path = os.path.join(BROWSERTIME_ROOT, "package.json") + + command_context.log( + logging.INFO, + "browsertime", + { + "new_upstream_url": new_upstream_url, + "package_json_path": package_json_path, + }, + "Updating browsertime node module version in {package_json_path} " + "to {new_upstream_url}", + ) + + if not re.search("/tarball/[a-f0-9]{40}$", new_upstream_url): + raise ValueError( + "New upstream URL does not end with /tarball/[a-f0-9]{40}: '%s'" + % new_upstream_url + ) + + with open(package_json_path) as f: + existing_body = json.loads( + f.read(), object_pairs_hook=collections.OrderedDict + ) + + existing_body["devDependencies"]["browsertime"] = new_upstream_url + + updated_body = json.dumps(existing_body) + + with open(package_json_path, "w") as f: + f.write(updated_body) + + # Install the browsertime Node.js requirements. + if not setup_helper.check_node_executables_valid(): + return 1 + + # To use a custom `geckodriver`, set + # os.environ[b"GECKODRIVER_BASE_URL"] = bytes(url) + # to an endpoint with binaries named like + # https://github.com/sitespeedio/geckodriver/blob/master/install.js#L31. + if AUTOMATION: + os.environ["CHROMEDRIVER_SKIP_DOWNLOAD"] = "true" + os.environ["GECKODRIVER_SKIP_DOWNLOAD"] = "true" + + if install_vismet_reqs: + # Hide this behind a flag so we don't install them by default in Raptor + command_context.log( + logging.INFO, "browsertime", {}, "Installing python requirements" + ) + activate_browsertime_virtualenv(command_context) + + command_context.log( + logging.INFO, + "browsertime", + {"package_json": mozpath.join(BROWSERTIME_ROOT, "package.json")}, + "Installing browsertime node module from {package_json}", + ) + + # Add the mozbuild Node binary path to the OS environment in Apple Silicon. + # During the browesertime installation, it seems installation of sitespeed.io + # sub dependencies look for a global Node rather than the mozbuild Node binary. + # Normally `--scripts-prepend-node-path` should prevent this but it seems to still + # look for a system Node in the environment. This logic ensures the same Node is used. + node_dir = os.path.dirname(node_path(command_context)) + if IS_APPLE_SILICON and node_dir not in os.environ["PATH"]: + os.environ["PATH"] += os.pathsep + node_dir + + status = setup_helper.package_setup( + BROWSERTIME_ROOT, + "browsertime", + should_update=new_upstream_url != "", + should_clobber=should_clobber, + no_optional=new_upstream_url or AUTOMATION, + ) + + if status: + return status + if new_upstream_url or AUTOMATION: + return 0 + if install_vismet_reqs: + return check(command_context) + + return 0 + + +def node(command_context, args): + r"""Invoke node (interactively) with the given arguments.""" + return command_context.run_process( + [node_path(command_context)] + args, + append_env=append_env(command_context), + pass_thru=True, # Allow user to run Node interactively. + ensure_exit_code=False, # Don't throw on non-zero exit code. + cwd=mozpath.join(command_context.topsrcdir), + ) + + +def append_env(command_context, append_path=True): + fetches = host_fetches[host_platform()] + + # Ensure that `ffmpeg` is found and added to the environment + path = os.environ.get("PATH", "").split(os.pathsep) if append_path else [] + path_to_ffmpeg = mozpath.join( + state_path(command_context), fetches["ffmpeg"]["path"] + ) + + path.insert( + 0, + path_to_ffmpeg + if host_platform().startswith("linux") + else mozpath.join(path_to_ffmpeg, "bin"), + ) # noqa + + # Ensure that bare `node` and `npm` in scripts, including post-install + # scripts, finds the binary we're invoking with. Without this, it's + # easy for compiled extensions to get mismatched versions of the Node.js + # extension API. + node_dir = os.path.dirname(node_path(command_context)) + path = [node_dir] + path + + append_env = { + "PATH": os.pathsep.join(path), + # Bug 1560193: The JS library browsertime uses to execute commands + # (execa) will muck up the PATH variable and put the directory that + # node is in first in path. If this is globally-installed node, + # that means `/usr/bin` will be inserted first which means that we + # will get `/usr/bin/python` for `python`. + # + # Our fork of browsertime supports a `PYTHON` environment variable + # that points to the exact python executable to use. + "PYTHON": command_context.virtualenv_manager.python_path, + } + + return append_env + + +def _need_install(command_context, package): + from pip._internal.req.constructors import install_req_from_line + + req = install_req_from_line(package) + req.check_if_exists(use_user_site=False) + if req.satisfied_by is None: + return True + venv_site_lib = os.path.abspath( + os.path.join(command_context.virtualenv_manager.bin_path, "..", "lib") + ) + site_packages = os.path.abspath(req.satisfied_by.location) + return not site_packages.startswith(venv_site_lib) + + +def activate_browsertime_virtualenv(command_context, *args, **kwargs): + r"""Activates virtualenv. + + This function will also install Pillow and pyssim if needed. + It will raise an error in case the install failed. + """ + # TODO: Remove `./mach browsertime` completely, as a follow up to Bug 1758990 + MachCommandBase.activate_virtualenv(command_context, *args, **kwargs) + + # installing Python deps on the fly + for dep in ( + "Pillow==%s" % PILLOW_VERSION, + "pyssim==%s" % PYSSIM_VERSION, + "scipy==%s" % SCIPY_VERSION, + "numpy==%s" % NUMPY_VERSION, + "opencv-python==%s" % OPENCV_VERSION, + ): + if _need_install(command_context, dep): + subprocess.check_call( + [ + command_context.virtualenv_manager.python_path, + "-m", + "pip", + "install", + dep, + ] + ) + + +def check(command_context): + r"""Run `visualmetrics.py --check`.""" + command_context.activate_virtualenv() + + args = ["--check"] + status = command_context.run_process( + [command_context.virtualenv_manager.python_path, visualmetrics_path()] + args, + # For --check, don't allow user's path to interfere with path testing except on Linux + append_env=append_env( + command_context, append_path=host_platform().startswith("linux") + ), + pass_thru=True, + ensure_exit_code=False, # Don't throw on non-zero exit code. + cwd=mozpath.join(command_context.topsrcdir), + ) + + sys.stdout.flush() + sys.stderr.flush() + + if status: + return status + + # Avoid logging the command (and, on Windows, the environment). + command_context.log_manager.terminal_handler.setLevel(logging.CRITICAL) + print("browsertime version:", end=" ") + + sys.stdout.flush() + sys.stderr.flush() + + return node(command_context, [browsertime_path()] + ["--version"]) + + +def extra_default_args(command_context, args=[]): + # Add Mozilla-specific default arguments. This is tricky because browsertime is quite + # loose about arguments; repeat arguments are generally accepted but then produce + # difficult to interpret type errors. + + def extract_browser_name(args): + "Extracts the browser name if any" + # These are BT arguments, it's BT job to check them + # here we just want to extract the browser name + res = re.findall("(--browser|-b)[= ]([\w]+)", " ".join(args)) + if res == []: + return None + return res[0][-1] + + def matches(args, *flags): + "Return True if any argument matches any of the given flags (maybe with an argument)." + for flag in flags: + if flag in args or any(arg.startswith(flag + "=") for arg in args): + return True + return False + + extra_args = [] + + # Default to Firefox. Override with `-b ...` or `--browser=...`. + specifies_browser = matches(args, "-b", "--browser") + if not specifies_browser: + extra_args.extend(("-b", "firefox")) + + # Default to not collect HAR. Override with `--skipHar=false`. + specifies_har = matches(args, "--har", "--skipHar", "--gzipHar") + if not specifies_har: + extra_args.append("--skipHar") + + if not matches(args, "--android"): + # If --firefox.binaryPath is not specified, default to the objdir binary + # Note: --firefox.release is not a real browsertime option, but it will + # silently ignore it instead and default to a release installation. + specifies_binaryPath = matches( + args, + "--firefox.binaryPath", + "--firefox.release", + "--firefox.nightly", + "--firefox.beta", + "--firefox.developer", + ) + + if not specifies_binaryPath: + specifies_binaryPath = extract_browser_name(args) == "chrome" + + if not specifies_binaryPath: + try: + extra_args.extend( + ("--firefox.binaryPath", command_context.get_binary_path()) + ) + except BinaryNotFoundException as e: + command_context.log( + logging.ERROR, + "browsertime", + {"error": str(e)}, + "ERROR: {error}", + ) + command_context.log( + logging.INFO, + "browsertime", + {}, + "Please run |./mach build| " + "or specify a Firefox binary with --firefox.binaryPath.", + ) + return 1 + + if extra_args: + command_context.log( + logging.DEBUG, + "browsertime", + {"extra_args": extra_args}, + "Running browsertime with extra default arguments: {extra_args}", + ) + + return extra_args + + +def _verify_node_install(command_context): + # check if Node is installed + sys.path.append(mozpath.join(command_context.topsrcdir, "tools", "lint", "eslint")) + import setup_helper + + with silence(): + node_valid = setup_helper.check_node_executables_valid() + if not node_valid: + print("Can't find Node. did you run ./mach bootstrap ?") + return False + + # check if the browsertime package has been deployed correctly + # for this we just check for the browsertime directory presence + if not os.path.exists(browsertime_path()): + print("Could not find browsertime.js, try ./mach browsertime --setup") + print("If that still fails, try ./mach browsertime --setup --clobber") + return False + + return True + + +@Command( + "browsertime", + category="testing", + description="Run [browsertime](https://github.com/sitespeedio/browsertime) " + "performance tests.", +) +@CommandArgument( + "--verbose", + action="store_true", + help="Verbose output for what commands the build is running.", +) +@CommandArgument("--update-upstream-url", default="") +@CommandArgument("--setup", default=False, action="store_true") +@CommandArgument("--clobber", default=False, action="store_true") +@CommandArgument( + "--skip-cache", + default=False, + action="store_true", + help="Skip all local caches to force re-fetching remote artifacts.", +) +@CommandArgument("--check-browsertime", default=False, action="store_true") +@CommandArgument( + "--install-vismet-reqs", + default=False, + action="store_true", + help="Add this flag to get the visual metrics requirements installed.", +) +@CommandArgument( + "--browsertime-help", + default=False, + action="store_true", + help="Show the browsertime help message.", +) +@CommandArgument("args", nargs=argparse.REMAINDER) +def browsertime( + command_context, + args, + verbose=False, + update_upstream_url="", + setup=False, + clobber=False, + skip_cache=False, + check_browsertime=False, + browsertime_help=False, + install_vismet_reqs=False, +): + command_context._set_log_level(verbose) + + # Output a message before going further to make sure the + # user knows that this tool is unsupported by the perftest + # team and point them to our supported tools. Pause a bit to + # make sure the user sees this message. + command_context.log( + logging.INFO, + "browsertime", + {}, + "[INFO] This command should be used for browsertime setup only.\n" + "If you are looking to run performance tests on your patch, use " + "`./mach raptor --browsertime` instead.\n\nYou can get visual-metrics " + "by using the --browsertime-video and --browsertime-visualmetrics. " + "Here is a sample command for raptor-browsertime: \n\t`./mach raptor " + "--browsertime -t amazon --browsertime-video --browsertime-visualmetrics`\n\n" + "See this wiki page for more information if needed: " + "https://wiki.mozilla.org/TestEngineering/Performance/Raptor/Browsertime\n\n", + ) + time.sleep(5) + + if update_upstream_url: + return setup_browsertime( + command_context, + new_upstream_url=update_upstream_url, + install_vismet_reqs=install_vismet_reqs, + ) + elif setup: + return setup_browsertime( + command_context, + should_clobber=clobber, + install_vismet_reqs=install_vismet_reqs, + ) + else: + if not _verify_node_install(command_context): + return 1 + + if check_browsertime: + return check(command_context) + + if browsertime_help: + args.append("--help") + + activate_browsertime_virtualenv(command_context) + default_args = extra_default_args(command_context, args) + if default_args == 1: + return 1 + return node(command_context, [browsertime_path()] + default_args + args) |