add a per-request GUID and log as it travels through background services

see: https://github.com/ansible/awx/issues/9329

awx/main/dispatch/worker/callback.py

@@ -9,6 +9,7 @@ from django.conf import settings
 from django.utils.timezone import now as tz_now
 from django.db import DatabaseError, OperationalError, connection as django_connection
 from django.db.utils import InterfaceError, InternalError
+from django_guid.middleware import GuidMiddleware
 
 import psutil
 
@@ -152,6 +153,8 @@ class CallbackBrokerWorker(BaseWorker):
 
                 if body.get('event') == 'EOF':
                     try:
+                        if 'guid' in body:
+                            GuidMiddleware.set_guid(body['guid'])
                         final_counter = body.get('final_counter', 0)
                         logger.info('Event processing is finished for Job {}, sending notifications'.format(job_identifier))
                         # EOF events are sent when stdout for the running task is
@@ -176,6 +179,8 @@ class CallbackBrokerWorker(BaseWorker):
                             handle_success_and_failure_notifications.apply_async([uj.id])
                     except Exception:
                         logger.exception('Worker failed to emit notifications: Job {}'.format(job_identifier))
+                    finally:
+                        GuidMiddleware.set_guid('')
                     return
 
                 event = cls.create_from_data(**body)