fune/taskcluster/taskgraph/util/taskgraph.py

40 lines
1.5 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/.
"""
Tools for interacting with existing taskgraphs.
"""
from __future__ import absolute_import, print_function, unicode_literals
from taskgraph.util.taskcluster import (
find_task_id,
get_artifact,
)
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_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