Purge event res dict if it is over a certain size

Also purge/update some old settings values

awx/lib/tower_display_callback/events.py

@@ -173,7 +173,9 @@ class EventContext(object):
                 if event_data.get(key, False):
                     event = key
                     break
-
+        max_res = int(os.getenv("MAX_EVENT_RES", 700000))
+        if event not in ('playbook_on_stats',) and "res" in event_data and len(str(event_data['res'])) > max_res:
+            event_data['res'] = {}
         event_dict = dict(event=event, event_data=event_data)
         for key in event_data.keys():
             if key in ('job_id', 'ad_hoc_command_id', 'uuid', 'parent_uuid', 'created', 'artifact_data'):

awx/main/tasks.py

@@ -809,6 +809,7 @@ class RunJob(BaseTask):
         env['REST_API_URL'] = settings.INTERNAL_API_URL
         env['REST_API_TOKEN'] = job.task_auth_token or ''
         env['TOWER_HOST'] = settings.TOWER_URL_BASE
+        env['MAX_EVENT_RES'] = settings.MAX_EVENT_RES_DATA
         env['CALLBACK_QUEUE'] = settings.CALLBACK_QUEUE
         env['CALLBACK_CONNECTION'] = settings.BROKER_URL
         if getattr(settings, 'JOB_CALLBACK_DEBUG', False):

awx/settings/defaults.py

@@ -150,7 +150,11 @@ ALLOWED_HOSTS = []
 REMOTE_HOST_HEADERS = ['REMOTE_ADDR', 'REMOTE_HOST']
 
 # Note: This setting may be overridden by database settings.
-STDOUT_MAX_BYTES_DISPLAY = 1048576
+STDOUT_MAX_BYTES_DISPLAY = 10485760
+
+# The maximum size of the ansible callback event's res data structure
+# beyond this limit and the value will be removed
+MAX_EVENT_RES_DATA = 700000
 
 # Note: This setting may be overridden by database settings.
 EVENT_STDOUT_MAX_BYTES_DISPLAY = 1024
@@ -522,17 +526,6 @@ ANSIBLE_FORCE_COLOR = True
 # the celery task.
 AWX_TASK_ENV = {}
 
-# Maximum number of job events processed by the callback receiver worker process
-# before it recycles
-JOB_EVENT_RECYCLE_THRESHOLD = 3000
-
-# Number of workers used to proecess job events in parallel
-JOB_EVENT_WORKERS = 4
-
-# Maximum number of job events that can be waiting on a single worker queue before
-# it can be skipped as too busy
-JOB_EVENT_MAX_QUEUE_SIZE = 100
-
 # Flag to enable/disable updating hosts M2M when saving job events.
 CAPTURE_JOB_EVENT_HOSTS = False