Specify queue name to make sure we only receive tasks destined for this did finder

Author: BenGalewsky

src/servicex_did_finder_lib/did_finder_app.py

@@ -101,6 +101,7 @@ def do_lookup(self, did: str, dataset_id: int, endpoint: str, user_did_finder: U
 
             acc.send_on(did_info.file_count)
         except Exception:
+            # noinspection PyTypeChecker
             self.logger.error(
                 f"Error processing DID {did}",
                 extra={"dataset_id": dataset_id},
@@ -144,7 +145,9 @@ def __init__(self, did_finder_name: str,
 
         initialize_root_logger(self.name)
 
-        self.app = Celery(f"did_finder_{self.name}", broker_url=self.parsed_args['rabbit_uri'])
+        self.app = Celery(f"did_finder_{self.name}",
+                          broker_url=self.parsed_args['rabbit_uri'],
+                          broker_connection_retry_on_startup=True)
 
         # Cache the args in the App so they are accessible to the tasks
         self.app.did_finder_args = self.parsed_args
@@ -170,7 +173,11 @@ def wrapper(*args, **kwargs):
         return decorator
 
     def start(self):
-        self.app.worker_main(argv=['worker', '--loglevel=INFO'])
+        self.app.worker_main(argv=['worker',
+                                   '--loglevel=INFO',
+                                   '-Q', f'did_finder_{self.name}',
+                                   '-n', f'{self.name}@%h'
+                                   ])
 
     @classmethod
     def add_did_finder_cnd_arguments(cls, parser: argparse.ArgumentParser):

tests/servicex_did_finder_lib_tests/test_did_finder_app.py

@@ -119,5 +119,10 @@ def test_did_finder_app(mocker, monkeypatch):
         celery.return_value = mock_celery_app
         app = DIDFinderApp(did_finder_name="pytest", parsed_args=None)
         app.start()
-        celery.assert_called_with("did_finder_pytest", broker_url="my-rabbit")
-        mock_celery_app.worker_main.assert_called_with(argv=['worker', '--loglevel=INFO'])
+        celery.assert_called_with("did_finder_pytest",
+                                  broker_connection_retry_on_startup=True,
+                                  broker_url="my-rabbit")
+        mock_celery_app.worker_main.assert_called_with(argv=['worker',
+                                                             '--loglevel=INFO',
+                                                             '-Q', 'did_finder_pytest',
+                                                             '-n', 'pytest@%h'])