Bug 1379171 - Add an add-all-talos action r=dustin

MozReview-Commit-ID: GdLagQfUjeJ

--HG--
extra : rebase_source : 9d6cab8c84d9fd60e79ade3e86cb060b84667a76

taskcluster/taskgraph/actions/add_talos.py

@@ -0,0 +1,39 @@
+# -*- 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 logging
+
+from .registry import register_callback_action
+from .util import create_tasks, find_decision_task
+from taskgraph.util.taskcluster import get_artifact
+from taskgraph.taskgraph import TaskGraph
+
+logger = logging.getLogger(__name__)
+
+
+@register_callback_action(
+    name='run-all-talos',
+    title='Run All Talos Tests',
+    symbol='raT',
+    description="Add all Talos tasks to a push.",
+    order=100,  # Useful for sheriffs, but not top of the list
+    context=[],
+)
+def add_all_talos(parameters, input, task_group_id, task_id, task):
+    decision_task_id = find_decision_task(parameters)
+
+    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")
+
+    to_run = [label
+              for label, entry
+              in full_task_graph.tasks.iteritems() if 'talos_try_name' in entry.attributes]
+
+    create_tasks(to_run, full_task_graph, label_to_taskid, parameters, decision_task_id)
+    logger.info('Scheduled {} talos tasks'.format(len(to_run)))