Bug 1519374 - Use mobile-X-b-fenix in lieu of gecko-focus

.taskcluster.yml

@@ -24,8 +24,8 @@ tasks:
           else: mobile-1-decision
         build_worker_type:
           $if: event.repository.html_url == 'https://github.com/mozilla-mobile/fenix'
-          then: gecko-focus
-          else: android-components-g
+          then: mobile-3-b-fenix
+          else: mobile-1-b-fenix
       in:
         taskId: ${decision_task_id}
         taskGroupId: ${decision_task_id}  # Must be explicit because of Chain of Trust
@@ -65,12 +65,13 @@ tasks:
             taskclusterProxy: true
             chainOfTrust: true
           env:
-            TASK_ID: ${decision_task_id}
-            SCHEDULER_ID: ${scheduler_id}
-            MOBILE_HEAD_REPOSITORY: ${repository}
+            BUILD_WORKER_TYPE: ${build_worker_type}
             MOBILE_HEAD_BRANCH: ${event.release.target_commitish}
+            MOBILE_HEAD_REPOSITORY: ${repository}
             MOBILE_HEAD_REV: ${event.release.tag_name}
             MOBILE_TRIGGERED_BY: ${event.sender.login}
+            SCHEDULER_ID: ${scheduler_id}
+            TASK_ID: ${decision_task_id}
           command:
             - /bin/bash
             - --login

automation/taskcluster/decision_task_nightly.py

@@ -24,7 +24,8 @@ BUILDER = lib.tasks.TaskBuilder(
     task_id=TASK_ID,
     owner="fenix-eng-notifications@mozilla.com",
     source='{}/raw/{}/.taskcluster.yml'.format(GITHUB_HTTP_REPOSITORY, HEAD_REV),
-    scheduler_id=SCHEDULER_ID
+    scheduler_id=SCHEDULER_ID,
+    build_worker_type=os.environ.get('BUILD_WORKER_TYPE'),
 )
 
 
@@ -50,7 +51,6 @@ def generate_build_task(apks, is_staging):
             "taskclusterProxy": True
         },
         artifacts=artifacts,
-        worker_type='android-components-g' if is_staging else 'gecko-focus',
         scopes=[
             "secrets:get:{}".format(sentry_secret)
         ]

automation/taskcluster/lib/tasks.py

@@ -8,19 +8,20 @@ import taskcluster
 
 
 class TaskBuilder(object):
-    def __init__(self, task_id, owner, source, scheduler_id):
+    def __init__(self, task_id, owner, source, scheduler_id, build_worker_type):
         self.task_id = task_id
         self.owner = owner
         self.source = source
         self.scheduler_id = scheduler_id
+        self.build_worker_type = build_worker_type
 
-    def build_task(self, name, description, command, artifacts, features, worker_type, scopes=[]):
+    def build_task(self, name, description, command, artifacts, features, scopes=[]):
         created = datetime.datetime.now()
         expires = taskcluster.fromNow('1 year')
         deadline = taskcluster.fromNow('1 day')
 
         return {
-            "workerType": worker_type,
+            "workerType": self.build_worker_type,
             "taskGroupId": self.task_id,
             "schedulerId": self.scheduler_id,
             "expires": taskcluster.stringDate(expires),