mirror of
https://github.com/mozilla/gecko-dev.git
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508 lines
17 KiB
Python
508 lines
17 KiB
Python
# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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import json
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import logging
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import os
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import shutil
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import sys
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import time
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from collections import defaultdict
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import yaml
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from redo import retry
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from taskgraph import create
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from taskgraph.create import create_tasks
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# TODO: Let standalone taskgraph generate parameters instead of calling internals
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from taskgraph.decision import (
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_determine_more_accurate_base_ref,
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_determine_more_accurate_base_rev,
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_get_env_prefix,
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)
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from taskgraph.generator import TaskGraphGenerator
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from taskgraph.parameters import Parameters
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from taskgraph.taskgraph import TaskGraph
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from taskgraph.util.python_path import find_object
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from taskgraph.util.taskcluster import get_artifact
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from taskgraph.util.vcs import get_repository
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from taskgraph.util.yaml import load_yaml
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from . import GECKO
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from .actions import render_actions_json
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from .files_changed import get_changed_files
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from .parameters import get_app_version, get_version
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from .try_option_syntax import parse_message
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from .util.backstop import BACKSTOP_INDEX, is_backstop
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from .util.bugbug import push_schedules
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from .util.chunking import resolver
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from .util.hg import get_hg_commit_message, get_hg_revision_branch
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from .util.partials import populate_release_history
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from .util.taskcluster import insert_index
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from .util.taskgraph import find_decision_task, find_existing_tasks_from_previous_kinds
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logger = logging.getLogger(__name__)
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ARTIFACTS_DIR = "artifacts"
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# For each project, this gives a set of parameters specific to the project.
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# See `taskcluster/docs/parameters.rst` for information on parameters.
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PER_PROJECT_PARAMETERS = {
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"try": {
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"enable_always_target": True,
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"target_tasks_method": "try_tasks",
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"release_type": "nightly",
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},
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"kaios-try": {
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"target_tasks_method": "try_tasks",
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},
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"ash": {
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"target_tasks_method": "default",
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},
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"cedar": {
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"target_tasks_method": "default",
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},
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"holly": {
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"enable_always_target": True,
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"target_tasks_method": "holly_tasks",
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},
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"oak": {
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"target_tasks_method": "default",
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"release_type": "nightly-oak",
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},
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"graphics": {
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"target_tasks_method": "graphics_tasks",
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},
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"autoland": {
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"optimize_strategies": "gecko_taskgraph.optimize:project.autoland",
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"target_tasks_method": "autoland_tasks",
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"test_manifest_loader": "bugbug", # Remove this line to disable "manifest scheduling".
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},
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"mozilla-central": {
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"target_tasks_method": "mozilla_central_tasks",
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"release_type": "nightly",
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},
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"mozilla-beta": {
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"target_tasks_method": "mozilla_beta_tasks",
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"release_type": "beta",
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},
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"mozilla-release": {
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"target_tasks_method": "mozilla_release_tasks",
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"release_type": "release",
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},
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"mozilla-esr128": {
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"target_tasks_method": "mozilla_esr128_tasks",
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"release_type": "esr128",
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},
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"pine": {
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"target_tasks_method": "pine_tasks",
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"release_type": "nightly-pine",
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},
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"cypress": {
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"target_tasks_method": "cypress_tasks",
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},
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"larch": {
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"target_tasks_method": "larch_tasks",
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"release_type": "nightly-larch",
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},
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"kaios": {
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"target_tasks_method": "kaios_tasks",
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},
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"toolchains": {
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"target_tasks_method": "mozilla_central_tasks",
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},
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# the default parameters are used for projects that do not match above.
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"default": {
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"target_tasks_method": "default",
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},
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}
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def full_task_graph_to_runnable_jobs(full_task_json):
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runnable_jobs = {}
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for label, node in full_task_json.items():
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if not ("extra" in node["task"] and "treeherder" in node["task"]["extra"]):
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continue
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th = node["task"]["extra"]["treeherder"]
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runnable_jobs[label] = {"symbol": th["symbol"]}
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for i in ("groupName", "groupSymbol", "collection"):
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if i in th:
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runnable_jobs[label][i] = th[i]
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if th.get("machine", {}).get("platform"):
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runnable_jobs[label]["platform"] = th["machine"]["platform"]
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return runnable_jobs
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def full_task_graph_to_manifests_by_task(full_task_json):
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manifests_by_task = defaultdict(list)
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for label, node in full_task_json.items():
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manifests = node["attributes"].get("test_manifests")
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if not manifests:
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continue
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manifests_by_task[label].extend(manifests)
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return manifests_by_task
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def try_syntax_from_message(message):
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"""
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Parse the try syntax out of a commit message, returning '' if none is
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found.
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"""
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try_idx = message.find("try:")
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if try_idx == -1:
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return ""
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return message[try_idx:].split("\n", 1)[0]
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def taskgraph_decision(options, parameters=None):
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"""
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Run the decision task. This function implements `mach taskgraph decision`,
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and is responsible for
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* processing decision task command-line options into parameters
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* running task-graph generation exactly the same way the other `mach
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taskgraph` commands do
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* generating a set of artifacts to memorialize the graph
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* calling TaskCluster APIs to create the graph
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"""
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parameters = parameters or (
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lambda graph_config: get_decision_parameters(graph_config, options)
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)
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decision_task_id = os.environ["TASK_ID"]
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# create a TaskGraphGenerator instance
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tgg = TaskGraphGenerator(
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root_dir=options.get("root"),
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parameters=parameters,
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decision_task_id=decision_task_id,
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write_artifacts=True,
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)
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if not create.testing:
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# set additional index paths for the decision task
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set_decision_indexes(decision_task_id, tgg.parameters, tgg.graph_config)
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# write out the parameters used to generate this graph
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write_artifact("parameters.yml", dict(**tgg.parameters))
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# write out the public/actions.json file
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write_artifact(
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"actions.json",
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render_actions_json(tgg.parameters, tgg.graph_config, decision_task_id),
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)
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# write out the full graph for reference
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full_task_json = tgg.full_task_graph.to_json()
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write_artifact("full-task-graph.json", full_task_json)
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# write out the public/runnable-jobs.json file
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write_artifact(
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"runnable-jobs.json", full_task_graph_to_runnable_jobs(full_task_json)
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)
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# write out the public/manifests-by-task.json file
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write_artifact(
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"manifests-by-task.json.gz",
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full_task_graph_to_manifests_by_task(full_task_json),
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)
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# write out the public/tests-by-manifest.json file
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write_artifact("tests-by-manifest.json.gz", resolver.tests_by_manifest)
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# this is just a test to check whether the from_json() function is working
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_, _ = TaskGraph.from_json(full_task_json)
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# write out the target task set to allow reproducing this as input
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write_artifact("target-tasks.json", list(tgg.target_task_set.tasks.keys()))
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# write out the optimized task graph to describe what will actually happen,
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# and the map of labels to taskids
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write_artifact("task-graph.json", tgg.morphed_task_graph.to_json())
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write_artifact("label-to-taskid.json", tgg.label_to_taskid)
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# write bugbug scheduling information if it was invoked
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if len(push_schedules) > 0:
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write_artifact("bugbug-push-schedules.json", push_schedules.popitem()[1])
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# cache run-task & misc/fetch-content
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scripts_root_dir = os.path.join(GECKO, "taskcluster/scripts")
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run_task_file_path = os.path.join(scripts_root_dir, "run-task")
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fetch_content_file_path = os.path.join(scripts_root_dir, "misc/fetch-content")
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shutil.copy2(run_task_file_path, ARTIFACTS_DIR)
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shutil.copy2(fetch_content_file_path, ARTIFACTS_DIR)
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# actually create the graph
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create_tasks(
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tgg.graph_config,
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tgg.morphed_task_graph,
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tgg.label_to_taskid,
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tgg.parameters,
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decision_task_id=decision_task_id,
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)
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def get_decision_parameters(graph_config, options):
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"""
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Load parameters from the command-line options for 'taskgraph decision'.
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This also applies per-project parameters, based on the given project.
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"""
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product_dir = graph_config["product-dir"]
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parameters = {
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n: options[n]
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for n in [
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"base_repository",
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"base_ref",
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"base_rev",
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"head_repository",
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"head_rev",
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"head_ref",
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"head_tag",
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"project",
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"pushlog_id",
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"pushdate",
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"owner",
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"level",
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"repository_type",
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"target_tasks_method",
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"tasks_for",
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]
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if n in options
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}
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commit_message = get_hg_commit_message(os.path.join(GECKO, product_dir))
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repo_path = os.getcwd()
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repo = get_repository(repo_path)
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parameters["base_ref"] = _determine_more_accurate_base_ref(
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repo,
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candidate_base_ref=options.get("base_ref"),
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head_ref=options.get("head_ref"),
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base_rev=options.get("base_rev"),
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)
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parameters["base_rev"] = _determine_more_accurate_base_rev(
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repo,
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base_ref=parameters["base_ref"],
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candidate_base_rev=options.get("base_rev"),
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head_rev=options.get("head_rev"),
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env_prefix=_get_env_prefix(graph_config),
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)
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# Define default filter list, as most configurations shouldn't need
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# custom filters.
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parameters["filters"] = [
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"target_tasks_method",
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]
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parameters["enable_always_target"] = ["docker-image"]
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parameters["existing_tasks"] = {}
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parameters["do_not_optimize"] = []
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parameters["build_number"] = 1
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parameters["version"] = get_version(product_dir)
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parameters["app_version"] = get_app_version(product_dir)
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parameters["message"] = try_syntax_from_message(commit_message)
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parameters["hg_branch"] = get_hg_revision_branch(
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GECKO, revision=parameters["head_rev"]
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)
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parameters["files_changed"] = sorted(
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get_changed_files(parameters["head_repository"], parameters["head_rev"])
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)
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parameters["next_version"] = None
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parameters["optimize_strategies"] = None
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parameters["optimize_target_tasks"] = True
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parameters["phabricator_diff"] = None
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parameters["release_type"] = ""
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parameters["release_eta"] = ""
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parameters["release_enable_partner_repack"] = False
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parameters["release_enable_partner_attribution"] = False
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parameters["release_partners"] = []
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parameters["release_partner_config"] = {}
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parameters["release_partner_build_number"] = 1
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parameters["release_enable_emefree"] = False
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parameters["release_product"] = None
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parameters["required_signoffs"] = []
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parameters["signoff_urls"] = {}
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parameters["test_manifest_loader"] = "default"
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parameters["try_mode"] = None
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parameters["try_task_config"] = {}
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parameters["try_options"] = None
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# owner must be an email, but sometimes (e.g., for ffxbld) it is not, in which
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# case, fake it
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if "@" not in parameters["owner"]:
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parameters["owner"] += "@noreply.mozilla.org"
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# use the pushdate as build_date if given, else use current time
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parameters["build_date"] = parameters["pushdate"] or int(time.time())
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# moz_build_date is the build identifier based on build_date
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parameters["moz_build_date"] = time.strftime(
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"%Y%m%d%H%M%S", time.gmtime(parameters["build_date"])
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)
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project = parameters["project"]
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try:
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parameters.update(PER_PROJECT_PARAMETERS[project])
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except KeyError:
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logger.warning(
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"using default project parameters; add {} to "
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"PER_PROJECT_PARAMETERS in {} to customize behavior "
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"for this project".format(project, __file__)
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)
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parameters.update(PER_PROJECT_PARAMETERS["default"])
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# `target_tasks_method` has higher precedence than `project` parameters
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if options.get("target_tasks_method"):
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parameters["target_tasks_method"] = options["target_tasks_method"]
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# ..but can be overridden by the commit message: if it contains the special
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# string "DONTBUILD" and this is an on-push decision task, then use the
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# special 'nothing' target task method.
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if "DONTBUILD" in commit_message and options["tasks_for"] == "hg-push":
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parameters["target_tasks_method"] = "nothing"
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if options.get("include_push_tasks"):
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get_existing_tasks(options.get("rebuild_kinds", []), parameters, graph_config)
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# If the target method is nightly, we should build partials. This means
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# knowing what has been released previously.
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# An empty release_history is fine, it just means no partials will be built
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parameters.setdefault("release_history", dict())
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if "nightly" in parameters.get("target_tasks_method", ""):
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parameters["release_history"] = populate_release_history("Firefox", project)
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if options.get("try_task_config_file"):
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task_config_file = os.path.abspath(options.get("try_task_config_file"))
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else:
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# if try_task_config.json is present, load it
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task_config_file = os.path.join(os.getcwd(), "try_task_config.json")
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# load try settings
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if "try" in project and options["tasks_for"] == "hg-push":
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set_try_config(parameters, task_config_file)
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if options.get("optimize_target_tasks") is not None:
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parameters["optimize_target_tasks"] = options["optimize_target_tasks"]
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# Determine if this should be a backstop push.
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parameters["backstop"] = is_backstop(parameters)
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if "decision-parameters" in graph_config["taskgraph"]:
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find_object(graph_config["taskgraph"]["decision-parameters"])(
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graph_config, parameters
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)
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result = Parameters(**parameters)
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result.check()
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return result
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def get_existing_tasks(rebuild_kinds, parameters, graph_config):
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"""
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Find the decision task corresponding to the on-push graph, and return
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a mapping of labels to task-ids from it. This will skip the kinds specificed
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by `rebuild_kinds`.
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"""
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try:
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decision_task = retry(
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find_decision_task,
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args=(parameters, graph_config),
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attempts=4,
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sleeptime=5 * 60,
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)
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except Exception:
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logger.exception("Didn't find existing push task.")
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sys.exit(1)
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_, task_graph = TaskGraph.from_json(
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get_artifact(decision_task, "public/full-task-graph.json")
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)
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parameters["existing_tasks"] = find_existing_tasks_from_previous_kinds(
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task_graph, [decision_task], rebuild_kinds
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)
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def set_try_config(parameters, task_config_file):
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if os.path.isfile(task_config_file):
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logger.info(f"using try tasks from {task_config_file}")
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with open(task_config_file) as fh:
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task_config = json.load(fh)
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task_config_version = task_config.pop("version", 1)
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if task_config_version == 1:
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parameters["try_mode"] = "try_task_config"
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parameters["try_task_config"] = task_config
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elif task_config_version == 2:
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parameters.update(task_config["parameters"])
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parameters["try_mode"] = "try_task_config"
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else:
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raise Exception(
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f"Unknown `try_task_config.json` version: {task_config_version}"
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)
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if "try:" in parameters["message"]:
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parameters["try_mode"] = "try_option_syntax"
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parameters.update(parse_message(parameters["message"]))
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else:
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parameters["try_options"] = None
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def set_decision_indexes(decision_task_id, params, graph_config):
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index_paths = []
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if params["backstop"]:
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# When two Decision tasks run at nearly the same time, it's possible
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# they both end up being backstops if the second checks the backstop
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# index before the first inserts it. Insert this index first to reduce
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# the chances of that happening.
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index_paths.insert(0, BACKSTOP_INDEX)
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subs = params.copy()
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subs["trust-domain"] = graph_config["trust-domain"]
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for index_path in index_paths:
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insert_index(index_path.format(**subs), decision_task_id, use_proxy=True)
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def write_artifact(filename, data):
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logger.info(f"writing artifact file `{filename}`")
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if not os.path.isdir(ARTIFACTS_DIR):
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os.mkdir(ARTIFACTS_DIR)
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path = os.path.join(ARTIFACTS_DIR, filename)
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if filename.endswith(".yml"):
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with open(path, "w") as f:
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yaml.safe_dump(data, f, allow_unicode=True, default_flow_style=False)
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elif filename.endswith(".json"):
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with open(path, "w") as f:
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json.dump(data, f, sort_keys=True, indent=2, separators=(",", ": "))
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elif filename.endswith(".json.gz"):
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import gzip
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with gzip.open(path, "wb") as f:
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f.write(json.dumps(data).encode("utf-8"))
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else:
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raise TypeError(f"Don't know how to write to {filename}")
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def read_artifact(filename):
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path = os.path.join(ARTIFACTS_DIR, filename)
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if filename.endswith(".yml"):
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return load_yaml(path, filename)
|
|
if filename.endswith(".json"):
|
|
with open(path) as f:
|
|
return json.load(f)
|
|
if filename.endswith(".json.gz"):
|
|
import gzip
|
|
|
|
with gzip.open(path, "rb") as f:
|
|
return json.load(f.decode("utf-8"))
|
|
else:
|
|
raise TypeError(f"Don't know how to read {filename}")
|
|
|
|
|
|
def rename_artifact(src, dest):
|
|
os.rename(os.path.join(ARTIFACTS_DIR, src), os.path.join(ARTIFACTS_DIR, dest))
|