Bug 1568232 - Run raptor cold page-load test job on fenix and refbrow. r=perftest-reviewers,davehunt

Run fenix and refbrow raptor cold page-load tests once a day, through cron, at 3 AM.

Differential Revision: https://phabricator.services.mozilla.com/D39485

--HG--
extra : moz-landing-system : lando

.cron.yml

@@ -193,3 +193,20 @@ jobs:
               # No default branch
               mozilla-central:
                   - {weekday: 'Monday', hour: 10, minute: 0}
+
+    - name: raptor-tp6m
+      job:
+          type: decision-task
+          treeherder-symbol: tp6m
+          target-tasks-method: raptor_tp6m
+          include-push-tasks: true
+      run-on-projects:
+          - mozilla-central
+      when:
+          - {weekday: 'Monday', hour: 3, minute: 0}
+          - {weekday: 'Tuesday', hour: 3, minute: 0}
+          - {weekday: 'Wednesday', hour: 3, minute: 0}
+          - {weekday: 'Thursday', hour: 3, minute: 0}
+          - {weekday: 'Friday', hour: 3, minute: 0}
+          - {weekday: 'Saturday', hour: 3, minute: 0}
+          - {weekday: 'Sunday', hour: 3, minute: 0}

taskcluster/taskgraph/target_tasks.py

@@ -759,3 +759,26 @@ def target_tasks_codereview(full_task_graph, parameters, graph_config):
 def target_tasks_nothing(full_task_graph, parameters, graph_config):
     """Select nothing, for DONTBUILD pushes"""
     return []
+
+
+@_target_task('raptor_tp6m')
+def target_tasks_raptor_tp6m(full_task_graph, parameters, graph_config):
+    """
+    Select tasks required for running raptor cold page-load tests on fenix and refbrow
+    """
+    def filter(task):
+        platform = task.attributes.get('build_platform')
+        attributes = task.attributes
+
+        if platform and 'android' not in platform:
+            return False
+        if attributes.get('unittest_suite') != 'raptor':
+            return False
+        try_name = attributes.get('raptor_try_name')
+        if '-cold' in try_name and 'pgo' in platform:
+            if '-1-refbrow-' in try_name:
+                return True
+            if '-1-fenix-' in try_name:
+                return True
+
+    return [l for l, t in full_task_graph.tasks.iteritems() if filter(t)]