Bug 1111980 - Part 7 Add mach command for building decision tasks r=garndt

--HG--
extra : rebase_source : d45fbfbbcaf6afa3b987df7df74e64067adaff89
extra : source : f32829f565b047a5bcbacea5d297f5897f250d81

testing/taskcluster/mach_commands.py

@@ -21,6 +21,7 @@ from mach.decorators import (
 
 from taskcluster_graph.commit_parser import parse_commit
 from taskcluster_graph.slugid import slugid
+from taskcluster_graph.slugidjar import SlugidJar
 from taskcluster_graph.from_now import json_time_from_now, current_json_time
 from taskcluster_graph.templates import Templates
 
@@ -83,6 +84,39 @@ def docker_image(name):
 def get_task(task_id):
     return json.load(urllib2.urlopen("https://queue.taskcluster.net/v1/task/" + task_id))
 
+@CommandProvider
+class DecisionTask(object):
+    @Command('taskcluster-decision', category="ci",
+        description="Build a decision task")
+    @CommandArgument('--project',
+        required=True,
+        help='Treeherder project name')
+    @CommandArgument('--revision',
+        required=True,
+        help='Revision for this project')
+    @CommandArgument('--comment',
+        required=True,
+        help='Commit message for this revision')
+    @CommandArgument('--owner',
+        required=True,
+        help='email address of who owns this graph')
+    @CommandArgument('task', help="Path to decision task to run.")
+    def run_task(self, **params):
+        templates = Templates(ROOT)
+        # Template parameters used when expanding the graph
+        parameters = {
+            'source': 'http://todo.com/soon',
+            'project': params['project'],
+            'comment': params['comment'],
+            'revision': params['revision'],
+            'owner': params['owner'],
+            'as_slugid': SlugidJar(),
+            'from_now': json_time_from_now,
+            'now': datetime.datetime.now().isoformat()
+        }
+        task = templates.load(params['task'], parameters)
+        print(json.dumps(task, indent=4))
+
 @CommandProvider
 class TryGraph(object):
     @Command('taskcluster-trygraph', category="ci",

testing/taskcluster/tasks/decision/try.yml

@@ -1,3 +1,4 @@
+---
 metadata:
   name: 'Task graph used to build try jobs'
   description: |
@@ -26,20 +27,20 @@ scopes:
   - "docker-worker:cache:sources-gaia"
   - "docker-worker:cache:build-emulator-ics-debug"
 tasks:
-  - taskId: '{{#as_slugid }}decision task{{/as_slugid}}'
+  - taskId: '{{#as_slugid}}decision task{{/as_slugid}}'
     task:
       created: '{{now}}'
-      deadline: '{{#from_now }}1 day{{#/from_now}}'
+      deadline: '{{#from_now}}1 day{{/from_now}}'
       metadata:
-        source: '{{source}}'
-        owner: '{{owner}}'
+        source: {{source}}
+        owner: {{owner}}
         name: Initial decision task for try
         description: |
           This is the single most important task as it decides how all other tasks
           get built.
 
-      workerType: gecko-decision
-      provisionerId: aws-provisioner
+      workerType: "gecko-decision"
+      provisionerId: "aws-provisioner"
 
       scopes:
         - "docker-worker:cache:tc-vcs-public-sources"