69 lines
2.6 KiB
Python
69 lines
2.6 KiB
Python
# -*- coding: utf-8 -*-
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# 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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from __future__ import absolute_import, print_function, unicode_literals
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import json
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import logging
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import requests
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import yaml
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from .create import create_tasks
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from .decision import write_artifact
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from .optimize import optimize_task_graph
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from .taskgraph import TaskGraph
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logger = logging.getLogger(__name__)
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TASKCLUSTER_QUEUE_URL = "https://queue.taskcluster.net/v1/task/"
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def taskgraph_action(options):
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"""
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Run the action task. This function implements `mach taskgraph action-task`,
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and is responsible for
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* creating taskgraph of tasks asked for in parameters with respect to
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a given gecko decision task and schedule these jobs.
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"""
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decision_task_id = options['decision_id']
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# read in the full graph for reference
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full_task_json = get_artifact(decision_task_id, "public/full-task-graph.json")
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decision_params = get_artifact(decision_task_id, "public/parameters.yml")
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all_tasks, full_task_graph = TaskGraph.from_json(full_task_json)
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target_tasks = set(options['task_labels'].split(','))
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target_graph = full_task_graph.graph.transitive_closure(target_tasks)
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target_task_graph = TaskGraph(
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{l: all_tasks[l] for l in target_graph.nodes},
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target_graph)
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existing_tasks = get_artifact(decision_task_id, "public/label-to-taskid.json")
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# We don't want to optimize target tasks since they have been requested by user
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# Hence we put `target_tasks under` `do_not_optimize`
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optimized_graph, label_to_taskid = optimize_task_graph(target_task_graph=target_task_graph,
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params=decision_params,
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do_not_optimize=target_tasks,
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existing_tasks=existing_tasks)
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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', optimized_graph.to_json())
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write_artifact('label-to-taskid.json', label_to_taskid)
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# actually create the graph
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create_tasks(optimized_graph, label_to_taskid, decision_params)
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def get_artifact(task_id, path):
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url = TASKCLUSTER_QUEUE_URL + task_id + "/artifacts/" + path
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resp = requests.get(url=url)
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if path.endswith('.json'):
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artifact = json.loads(resp.text)
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elif path.endswith('.yml'):
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artifact = yaml.load(resp.text)
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return artifact
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