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# 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/.
"""
Support for running toolchain-building jobs via dedicated scripts
"""
from __future__ import absolute_import, print_function, unicode_literals
from mozbuild.shellutil import quote as shell_quote
from six import text_type
from taskgraph.util.schema import Schema
from voluptuous import Optional, Required, Any
from taskgraph.transforms.job import (
configure_taskdesc_for_run,
run_job_using,
)
from taskgraph.transforms.job.common import (
docker_worker_add_artifacts,
generic_worker_add_artifacts,
)
from taskgraph.util.hash import hash_paths
from taskgraph.util.attributes import RELEASE_PROJECTS
from taskgraph import GECKO
import taskgraph
CACHE_TYPE = "toolchains.v3"
toolchain_run_schema = Schema(
{
Required("using"): "toolchain-script",
# The script (in taskcluster/scripts/misc) to run.
# Python scripts are invoked with `mach python` so vendored libraries
# are available.
Required("script"): text_type,
# Arguments to pass to the script.
Optional("arguments"): [text_type],
# If not false, tooltool downloads will be enabled via relengAPIProxy
# for either just public files, or all files. Not supported on Windows
Required("tooltool-downloads"): Any(
False,
"public",
"internal",
),
# Sparse profile to give to checkout using `run-task`. If given,
# a filename in `build/sparse-profiles`. Defaults to
# "toolchain-build", i.e., to
# `build/sparse-profiles/toolchain-build`. If `None`, instructs
# `run-task` to not use a sparse profile at all.
Required("sparse-profile"): Any(text_type, None),
# Paths/patterns pointing to files that influence the outcome of a
# toolchain build.
Optional("resources"): [text_type],
# Path to the artifact produced by the toolchain job
Required("toolchain-artifact"): text_type,
Optional(
"toolchain-alias",
description="An alias that can be used instead of the real toolchain job name in "
"fetch stanzas for jobs.",
): text_type,
# Base work directory used to set up the task.
Optional("workdir"): text_type,
}
)
def get_digest_data(config, run, taskdesc):
files = list(run.pop("resources", []))
# The script
files.append("taskcluster/scripts/misc/{}".format(run["script"]))
# Tooltool manifest if any is defined:
tooltool_manifest = taskdesc["worker"]["env"].get("TOOLTOOL_MANIFEST")
if tooltool_manifest:
files.append(tooltool_manifest)
# Accumulate dependency hashes for index generation.
data = [hash_paths(GECKO, files)]
data.append(taskdesc["attributes"]["toolchain-artifact"])
# If the task uses an in-tree docker image, we want it to influence
# the index path as well. Ideally, the content of the docker image itself
# should have an influence, but at the moment, we can't get that
# information here. So use the docker image name as a proxy. Not a lot of
# changes to docker images actually have an impact on the resulting
# toolchain artifact, so we'll just rely on such important changes to be
# accompanied with a docker image name change.
image = taskdesc["worker"].get("docker-image", {}).get("in-tree")
if image:
data.append(image)
# Likewise script arguments should influence the index.
args = run.get("arguments")
if args:
data.extend(args)
if taskdesc["attributes"].get("rebuild-on-release"):
# Add whether this is a release branch or not
data.append(str(config.params["project"] in RELEASE_PROJECTS))
return data
toolchain_defaults = {
"tooltool-downloads": False,
"sparse-profile": "toolchain-build",
}
@run_job_using(
"docker-worker",
"toolchain-script",
schema=toolchain_run_schema,
defaults=toolchain_defaults,
)
def docker_worker_toolchain(config, job, taskdesc):
run = job["run"]
worker = taskdesc["worker"] = job["worker"]
worker["chain-of-trust"] = True
# If the task doesn't have a docker-image, set a default
worker.setdefault("docker-image", {"in-tree": "deb8-toolchain-build"})
# Allow the job to specify where artifacts come from, but add
# public/build if it's not there already.
artifacts = worker.setdefault("artifacts", [])
if not artifacts:
docker_worker_add_artifacts(config, job, taskdesc)
# Toolchain checkouts don't live under {workdir}/checkouts
workspace = "{workdir}/workspace/build".format(**run)
gecko_path = "{}/src".format(workspace)
env = worker.setdefault("env", {})
env.update(
{
"MOZ_BUILD_DATE": config.params["moz_build_date"],
"MOZ_SCM_LEVEL": config.params["level"],
"GECKO_PATH": gecko_path,
}
)
attributes = taskdesc.setdefault("attributes", {})
attributes["toolchain-artifact"] = run.pop("toolchain-artifact")
if "toolchain-alias" in run:
attributes["toolchain-alias"] = run.pop("toolchain-alias")
if not taskgraph.fast:
name = taskdesc["label"].replace("{}-".format(config.kind), "", 1)
taskdesc["cache"] = {
"type": CACHE_TYPE,
"name": name,
"digest-data": get_digest_data(config, run, taskdesc),
}
run["using"] = "run-task"
run["cwd"] = run["workdir"]
run["command"] = [
"workspace/build/src/taskcluster/scripts/misc/{}".format(run.pop("script"))
] + run.pop("arguments", [])
configure_taskdesc_for_run(config, job, taskdesc, worker["implementation"])
@run_job_using(
"generic-worker",
"toolchain-script",
schema=toolchain_run_schema,
defaults=toolchain_defaults,
)
def generic_worker_toolchain(config, job, taskdesc):
run = job["run"]
worker = taskdesc["worker"] = job["worker"]
worker["chain-of-trust"] = True
# Allow the job to specify where artifacts come from, but add
# public/build if it's not there already.
artifacts = worker.setdefault("artifacts", [])
if not artifacts:
generic_worker_add_artifacts(config, job, taskdesc)
if job["worker"]["os"] == "windows":
# There were no caches on generic-worker before bug 1519472, and they cause
# all sorts of problems with Windows toolchain tasks, disable them until
# tasks are ready.
run["use-caches"] = False
env = worker.setdefault("env", {})
env.update(
{
"MOZ_BUILD_DATE": config.params["moz_build_date"],
"MOZ_SCM_LEVEL": config.params["level"],
}
)
# Use `mach` to invoke python scripts so in-tree libraries are available.
if run["script"].endswith(".py"):
raise NotImplementedError(
"Python toolchain scripts aren't supported on generic-worker"
)
attributes = taskdesc.setdefault("attributes", {})
attributes["toolchain-artifact"] = run.pop("toolchain-artifact")
if "toolchain-alias" in run:
attributes["toolchain-alias"] = run.pop("toolchain-alias")
if not taskgraph.fast:
name = taskdesc["label"].replace("{}-".format(config.kind), "", 1)
taskdesc["cache"] = {
"type": CACHE_TYPE,
"name": name,
"digest-data": get_digest_data(config, run, taskdesc),
}
run["using"] = "run-task"
args = run.pop("arguments", "")
if args:
args = " " + shell_quote(*args)
if job["worker"]["os"] == "windows":
gecko_path = "%GECKO_PATH%"
else:
gecko_path = "$GECKO_PATH"
run["command"] = "{}/taskcluster/scripts/misc/{}{}".format(
gecko_path, run.pop("script"), args
)
configure_taskdesc_for_run(config, job, taskdesc, worker["implementation"])
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