introduce new parent task class in order to log exceptions

awx/main/tasks.py

@@ -74,6 +74,12 @@ Try upgrading OpenSSH or providing your private key in an different format. \
 logger = logging.getLogger('awx.main.tasks')
 
 
+class LogErrorsTask(Task):
+    def on_failure(self, exc, task_id, args, kwargs, einfo):
+        logger.exception('Task {} encountered exception.'.format(self.name), exc_info=exc)
+        super(LogErrorsTask, self).on_failure(exc, task_id, args, kwargs, einfo)
+
+
 @celeryd_init.connect
 def celery_startup(conf=None, **kwargs):
     # Re-init all schedules
@@ -86,8 +92,8 @@ def celery_startup(conf=None, **kwargs):
             from awx.main.signals import disable_activity_stream
             with disable_activity_stream():
                 sch.save()
-        except Exception as e:
-            logger.error("Failed to rebuild schedule {}: {}".format(sch, e))
+        except:
+            logger.exception("Failed to rebuild schedule {}.".format(sch))
 
 
 @worker_process_init.connect
@@ -96,7 +102,7 @@ def task_set_logger_pre_run(*args, **kwargs):
     configure_external_logger(settings, is_startup=False)
 
 
-@task(queue='tower_broadcast_all', bind=True)
+@task(queue='tower_broadcast_all', bind=True, base=LogErrorsTask)
 def handle_setting_changes(self, setting_keys):
     orig_len = len(setting_keys)
     for i in range(orig_len):
@@ -113,7 +119,7 @@ def handle_setting_changes(self, setting_keys):
             break
 
 
-@task(queue='tower')
+@task(queue='tower', base=LogErrorsTask)
 def send_notifications(notification_list, job_id=None):
     if not isinstance(notification_list, list):
         raise TypeError("notification_list should be of type list")
@@ -137,7 +143,7 @@ def send_notifications(notification_list, job_id=None):
             notification.save()
 
 
-@task(bind=True, queue='tower')
+@task(bind=True, queue='tower', base=LogErrorsTask)
 def run_administrative_checks(self):
     logger.warn("Running administrative checks.")
     if not settings.TOWER_ADMIN_ALERTS:
@@ -159,13 +165,13 @@ def run_administrative_checks(self):
                   fail_silently=True)
 
 
-@task(bind=True, queue='tower')
+@task(bind=True, queue='tower', base=LogErrorsTask)
 def cleanup_authtokens(self):
     logger.warn("Cleaning up expired authtokens.")
     AuthToken.objects.filter(expires__lt=now()).delete()
 
 
-@task(bind=True)
+@task(bind=True, base=LogErrorsTask)
 def purge_old_stdout_files(self):
     nowtime = time.time()
     for f in os.listdir(settings.JOBOUTPUT_ROOT):
@@ -174,7 +180,7 @@ def purge_old_stdout_files(self):
             logger.info("Removing {}".format(os.path.join(settings.JOBOUTPUT_ROOT,f)))
 
 
-@task(bind=True)
+@task(bind=True, base=LogErrorsTask)
 def cluster_node_heartbeat(self):
     logger.debug("Cluster node heartbeat task.")
     nowtime = now()
@@ -206,7 +212,7 @@ def cluster_node_heartbeat(self):
             raise RuntimeError("Shutting down.")
 
 
-@task(bind=True)
+@task(bind=True, base=LogErrorsTask)
 def tower_isolated_heartbeat(self):
     local_hostname = settings.CLUSTER_HOST_ID
     logger.debug("Controlling node checking for any isolated management tasks.")
@@ -230,7 +236,7 @@ def tower_isolated_heartbeat(self):
         isolated_manager.IsolatedManager.health_check(isolated_instance_qs)
 
 
-@task(bind=True, queue='tower')
+@task(bind=True, queue='tower', base=LogErrorsTask)
 def tower_periodic_scheduler(self):
     run_now = now()
     state = TowerScheduleState.get_solo()
@@ -280,7 +286,7 @@ def _send_notification_templates(instance, status_str):
                                      job_id=instance.id)
 
 
-@task(bind=True, queue='tower')
+@task(bind=True, queue='tower', base=LogErrorsTask)
 def handle_work_success(self, result, task_actual):
     try:
         instance = UnifiedJob.get_instance_by_type(task_actual['type'], task_actual['id'])
@@ -296,7 +302,7 @@ def handle_work_success(self, result, task_actual):
     run_job_complete.delay(instance.id)
 
 
-@task(bind=True, queue='tower')
+@task(bind=True, queue='tower', base=LogErrorsTask)
 def handle_work_error(self, task_id, subtasks=None):
     print('Executing error task id %s, subtasks: %s' %
           (str(self.request.id), str(subtasks)))
@@ -336,7 +342,7 @@ def handle_work_error(self, task_id, subtasks=None):
         pass
 
 
-@task(queue='tower')
+@task(queue='tower', base=LogErrorsTask)
 def update_inventory_computed_fields(inventory_id, should_update_hosts=True):
     '''
     Signal handler and wrapper around inventory.update_computed_fields to
@@ -350,7 +356,7 @@ def update_inventory_computed_fields(inventory_id, should_update_hosts=True):
     i.update_computed_fields(update_hosts=should_update_hosts)
 
 
-@task(queue='tower')
+@task(queue='tower', base=LogErrorsTask)
 def update_host_smart_inventory_memberships():
     try:
         with transaction.atomic():
@@ -366,7 +372,7 @@ def update_host_smart_inventory_memberships():
         return
 
 
-@task(queue='tower')
+@task(queue='tower', base=LogErrorsTask)
 def delete_inventory(inventory_id):
     with ignore_inventory_computed_fields(), \
             ignore_inventory_group_removal():
@@ -401,7 +407,7 @@ def with_path_cleanup(f):
     return _wrapped
 
 
-class BaseTask(Task):
+class BaseTask(LogErrorsTask):
     name = None
     model = None
     abstract = True