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Hi,
I’ve deployed Kolla-Ansible (Victoria) and after using it for some time I have errors from Vitrage service:

2021-03-18 13:30:19.873 7 ERROR vitrage.entity_graph.graph_init [-] Got Exception for event {'vitrage_entity_type': 'consistency', 'vitrage_datasource_action': 'update', 'vitrage_sample_date': '2021-03-18T13:30:19Z', 'vitrage_event_type': 'delete_entity', 'vitrage_id': 'a19330f1-49c1-4a97-9787-c80b645f51a6', 'id': '93c1df77-dbb5-4ba7-9b7d-16fad97169f1', 'vitrage_type': 'cinder.volume', 'vitrage_category': 'RESOURCE', 'is_real_vitrage_id': True}: KeyError: 'vitrage_is_placeholder'
2021-03-18 13:30:19.873 7 ERROR vitrage.entity_graph.graph_init Traceback (most recent call last):
2021-03-18 13:30:19.873 7 ERROR vitrage.entity_graph.graph_init   File "/var/lib/kolla/venv/lib/python3.8/site-packages/vitrage/entity_graph/graph_init.py", line 146, in do_work
2021-03-18 13:30:19.873 7 ERROR vitrage.entity_graph.graph_init     return do_work_func(event)
2021-03-18 13:30:19.873 7 ERROR vitrage.entity_graph.graph_init   File "/var/lib/kolla/venv/lib/python3.8/site-packages/vitrage/entity_graph/graph_init.py", line 111, in process_event
2021-03-18 13:30:19.873 7 ERROR vitrage.entity_graph.graph_init     self.processor.process_event(event)
2021-03-18 13:30:19.873 7 ERROR vitrage.entity_graph.graph_init   File "/var/lib/kolla/venv/lib/python3.8/site-packages/vitrage/entity_graph/processor/processor.py", line 63, in process_event
2021-03-18 13:30:19.873 7 ERROR vitrage.entity_graph.graph_init     self.actions[entity.action](entity.vertex, entity.neighbors)
2021-03-18 13:30:19.873 7 ERROR vitrage.entity_graph.graph_init   File "/var/lib/kolla/venv/lib/python3.8/site-packages/vitrage/entity_graph/processor/processor.py", line 149, in delete_entity
2021-03-18 13:30:19.873 7 ERROR vitrage.entity_graph.graph_init     PUtils.delete_placeholder_vertex(self.entity_graph, vertex)
2021-03-18 13:30:19.873 7 ERROR vitrage.entity_graph.graph_init   File "/var/lib/kolla/venv/lib/python3.8/site-packages/vitrage/entity_graph/processor/processor_utils.py", line 68, in delete_placeholder_vertex
2021-03-18 13:30:19.873 7 ERROR vitrage.entity_graph.graph_init     if not vertex[VProps.VITRAGE_IS_PLACEHOLDER]:
2021-03-18 13:30:19.873 7 ERROR vitrage.entity_graph.graph_init   File "/var/lib/kolla/venv/lib/python3.8/site-packages/vitrage/graph/driver/elements.py", line 24, in __getitem__
2021-03-18 13:30:19.873 7 ERROR vitrage.entity_graph.graph_init     return self.properties[key]
2021-03-18 13:30:19.873 7 ERROR vitrage.entity_graph.graph_init KeyError: 'vitrage_is_placeholder'
2021-03-18 13:30:19.873 7 ERROR vitrage.entity_graph.graph_init

As I can see in Horizon, there are some old volumes , which in Cinder database have proper (DELETED/DETACHED) status, but they’re still visible on Entity Graph, and as in error message above - cannot be deleted by vitrage-graph. How to delete such entities?

Best regards,
Adam Tomas