add job event replay awx-manage command

* awx-manage replay_job_event --job_id <id>

awx/main/management/commands/replay_job_events.py

@@ -0,0 +1,54 @@
+# Copyright (c) 2015 Ansible, Inc.
+# All Rights Reserved
+
+import sys
+from optparse import make_option
+
+from django.core.management.base import NoArgsCommand
+
+from awx.main.models import (
+    UnifiedJob,
+    Job,
+    AdHocCommand,
+)
+from awx.main.consumers import emit_channel_notification
+from awx.api.serializers import (
+    JobEventWebSocketSerializer,
+    AdHocCommandEventWebSocketSerializer,
+)
+
+
+class Command(NoArgsCommand):
+
+    help = 'Replay job events over websockets'
+
+    option_list = NoArgsCommand.option_list + (
+        make_option('--job_id', dest='job_id', type='int', metavar='j',
+                    help='Id of the job to replay (job or adhoc)'),
+    )
+
+    def replay_job_events(self, job_id):
+        try:
+            unified_job = UnifiedJob.objects.get(id=job_id)
+        except UnifiedJob.DoesNotExist:
+            print("UnifiedJob {} not found.".format(job_id))
+            sys.exit(1)
+
+        job = unified_job.get_real_instance()
+        job_events = job.job_events.order_by('created')
+        serializer = None
+        if type(job) is Job:
+            serializer = JobEventWebSocketSerializer
+        elif type(job) is AdHocCommand:
+            serializer = AdHocCommandEventWebSocketSerializer
+        else:
+            print("Job is of type {} and replay is not yet supported.".format(type(job)))
+            sys.exit(1)
+
+        for je in job_events:
+            je_serialized = serializer(je).data
+            emit_channel_notification('{}-{}'.format(je_serialized['group_name'], job.id), je_serialized)
+
+    def handle_noargs(self, **options):
+        self.job_id = options.get('job_id')
+        self.replay_job_events(self.job_id)