зеркало из https://github.com/mozilla/gecko-dev.git
143 строки
6.1 KiB
Python
143 строки
6.1 KiB
Python
# -*- 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
|
|
|
|
import copy
|
|
import logging
|
|
import requests
|
|
import os
|
|
|
|
from requests.exceptions import HTTPError
|
|
|
|
from taskgraph import create
|
|
from taskgraph.decision import write_artifact
|
|
from taskgraph.taskgraph import TaskGraph
|
|
from taskgraph.optimize import optimize_task_graph
|
|
from taskgraph.util.taskcluster import get_session, find_task_id, get_artifact, list_tasks
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
PUSHLOG_TMPL = '{}/json-pushes?version=2&changeset={}&tipsonly=1&full=1'
|
|
|
|
|
|
def find_decision_task(parameters, graph_config):
|
|
"""Given the parameters for this action, find the taskId of the decision
|
|
task"""
|
|
return find_task_id('{}.v2.{}.pushlog-id.{}.decision'.format(
|
|
graph_config['trust-domain'],
|
|
parameters['project'],
|
|
parameters['pushlog_id']))
|
|
|
|
|
|
def find_hg_revision_pushlog_id(parameters, graph_config, revision):
|
|
"""Given the parameters for this action and a revision, find the
|
|
pushlog_id of the revision."""
|
|
|
|
repo_param = '{}head_repository'.format(graph_config['project-repo-param-prefix'])
|
|
pushlog_url = PUSHLOG_TMPL.format(parameters[repo_param], revision)
|
|
r = requests.get(pushlog_url)
|
|
r.raise_for_status()
|
|
pushes = r.json()['pushes'].keys()
|
|
if len(pushes) != 1:
|
|
raise RuntimeError(
|
|
"Unable to find a single pushlog_id for {} revision {}: {}".format(
|
|
parameters['head_repository'], revision, pushes
|
|
)
|
|
)
|
|
return pushes[0]
|
|
|
|
|
|
def find_existing_tasks_from_previous_kinds(full_task_graph, previous_graph_ids,
|
|
rebuild_kinds):
|
|
"""Given a list of previous decision/action taskIds and kinds to ignore
|
|
from the previous graphs, return a dictionary of labels-to-taskids to use
|
|
as ``existing_tasks`` in the optimization step."""
|
|
existing_tasks = {}
|
|
for previous_graph_id in previous_graph_ids:
|
|
label_to_taskid = get_artifact(previous_graph_id, "public/label-to-taskid.json")
|
|
kind_labels = set(t.label for t in full_task_graph.tasks.itervalues()
|
|
if t.attributes['kind'] not in rebuild_kinds)
|
|
for label in set(label_to_taskid.keys()).intersection(kind_labels):
|
|
existing_tasks[label] = label_to_taskid[label]
|
|
return existing_tasks
|
|
|
|
|
|
def fetch_graph_and_labels(parameters, graph_config):
|
|
decision_task_id = find_decision_task(parameters, graph_config)
|
|
|
|
# First grab the graph and labels generated during the initial decision task
|
|
full_task_graph = get_artifact(decision_task_id, "public/full-task-graph.json")
|
|
_, full_task_graph = TaskGraph.from_json(full_task_graph)
|
|
label_to_taskid = get_artifact(decision_task_id, "public/label-to-taskid.json")
|
|
|
|
# Now fetch any modifications made by action tasks and swap out new tasks
|
|
# for old ones
|
|
namespace = '{}.v2.{}.pushlog-id.{}.actions'.format(
|
|
graph_config['trust-domain'],
|
|
parameters['project'],
|
|
parameters['pushlog_id'])
|
|
for action in list_tasks(namespace):
|
|
try:
|
|
run_label_to_id = get_artifact(action, "public/label-to-taskid.json")
|
|
label_to_taskid.update(run_label_to_id)
|
|
except HTTPError as e:
|
|
logger.info('Skipping {} due to missing artifact! Error: {}'.format(action, e))
|
|
continue
|
|
|
|
return (decision_task_id, full_task_graph, label_to_taskid)
|
|
|
|
|
|
def create_task_from_def(task_id, task_def, level):
|
|
"""Create a new task from a definition rather than from a label
|
|
that is already in the full-task-graph. The task definition will
|
|
have {relative-datestamp': '..'} rendered just like in a decision task.
|
|
Use this for entirely new tasks or ones that change internals of the task.
|
|
It is useful if you want to "edit" the full_task_graph and then hand
|
|
it to this function. No dependencies will be scheduled. You must handle
|
|
this yourself. Seeing how create_tasks handles it might prove helpful."""
|
|
task_def['schedulerId'] = 'gecko-level-{}'.format(level)
|
|
label = task_def['metadata']['name']
|
|
session = get_session()
|
|
create.create_task(session, task_id, label, task_def)
|
|
|
|
|
|
def update_parent(task, graph):
|
|
task.task.setdefault('extra', {})['parent'] = os.environ.get('TASK_ID', '')
|
|
return task
|
|
|
|
|
|
def create_tasks(to_run, full_task_graph, label_to_taskid,
|
|
params, decision_task_id=None, suffix=''):
|
|
"""Create new tasks. The task definition will have {relative-datestamp':
|
|
'..'} rendered just like in a decision task. Action callbacks should use
|
|
this function to create new tasks,
|
|
allowing easy debugging with `mach taskgraph action-callback --test`.
|
|
This builds up all required tasks to run in order to run the tasks requested.
|
|
|
|
If you wish to create the tasks in a new group, leave out decision_task_id."""
|
|
if suffix != '':
|
|
suffix = '-{}'.format(suffix)
|
|
to_run = set(to_run)
|
|
|
|
# Copy to avoid side-effects later
|
|
full_task_graph = copy.deepcopy(full_task_graph)
|
|
label_to_taskid = label_to_taskid.copy()
|
|
|
|
target_graph = full_task_graph.graph.transitive_closure(to_run)
|
|
target_task_graph = TaskGraph(
|
|
{l: full_task_graph[l] for l in target_graph.nodes},
|
|
target_graph)
|
|
target_task_graph.for_each_task(update_parent)
|
|
optimized_task_graph, label_to_taskid = optimize_task_graph(target_task_graph,
|
|
params,
|
|
to_run,
|
|
label_to_taskid)
|
|
write_artifact('task-graph{}.json'.format(suffix), optimized_task_graph.to_json())
|
|
write_artifact('label-to-taskid{}.json'.format(suffix), label_to_taskid)
|
|
write_artifact('to-run{}.json'.format(suffix), list(to_run))
|
|
create.create_tasks(optimized_task_graph, label_to_taskid, params, decision_task_id)
|