Schema crash on deleting RI with connection on other RI

[Édouard Thuleau]

When a RI connected to another RIs is deleted, the schema can crash when it tries to clear the RIs connection:

Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/schema_transformer/to_bgp.py", line 3662, in launch_arc
    transformer.process_poll_result(result)
  File "/usr/lib/python2.7/dist-packages/schema_transformer/to_bgp.py", line 3493, in process_poll_result
    service_chain.destroy()
  File "/usr/lib/python2.7/dist-packages/schema_transformer/to_bgp.py", line 1773, in destroy
    vn1_obj.delete_routing_instance(service_ri1)
  File "/usr/lib/python2.7/dist-packages/schema_transformer/to_bgp.py", line 634, in delete_routing_instance
    ri2.delete_connection(ri)
  File "/usr/lib/python2.7/dist-packages/schema_transformer/to_bgp.py", line 1396, in delete_connection
    _vnc_lib.routing_instance_update(self.obj)
  File "/usr/lib/python2.7/dist-packages/vnc_api/gen/vnc_api_client_gen.py", line 5347, in routing_instance_update
    self.ref_update('routing-instance', obj.uuid, ref_name, ref[0], list(ref[1]), 'DELETE')
  File "/usr/lib/python2.7/dist-packages/vnc_api/vnc_api.py", line 390, in ref_update
    content = self._request_server(rest.OP_POST, uri, data=json_body)
  File "/usr/lib/python2.7/dist-packages/vnc_api/vnc_api.py", line 364, in _request_server
    % (op, url, data, content))
NoIdError: Unknown id: Error: oper 1 url /ref-update body {"ref-type": "routing-instance", "uuid": "87824586-a47f-41be-bd3d-eea159c9f6fe", "ref-fq-name": ["default-domain", "TENANT_NAME", "snat-si-left_2e7ae472-6e87-417f-9bba-a104a8c69d8e", "service-79e3c66e-ef7e-4e72-b953-cdff067392b4-default-domain_TENANT_NAME_si_87b5560b-cfc0-4678-8770-2b493cd315d3_42ab7c94-5740-49e6-bd3f-40309389143d"], "ref-uuid": "14b5cdf1-678a-4e90-8ba3-84cd98b7d416", "operation": "DELETE", "type": "routing-instance", "attr": null} response Unknown id: ['87824586-a47f-41be-bd3d-eea159c9f6fe']

[OpenContrail Admin (ci-admin-f)]

Review in progress for https://review.opencontrail.org/12422
Submitter: Édouard Thuleau (<email address hidden>)

[Édouard Thuleau (ethuleau)]

Another crash with 1.10 release:

Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/schema_transformer/to_bgp.py", line 3662, in launch_arc
    transformer.process_poll_result(result)
  File "/usr/lib/python2.7/dist-packages/schema_transformer/to_bgp.py", line 3493, in process_poll_result
    service_chain.destroy()
  File "/usr/lib/python2.7/dist-packages/schema_transformer/to_bgp.py", line 1773, in destroy
    vn1_obj.delete_routing_instance(service_ri1)
  File "/usr/lib/python2.7/dist-packages/schema_transformer/to_bgp.py", line 670, in delete_routing_instance
    _vnc_lib.routing_instance_delete(ri.obj.get_fq_name())
  File "/usr/lib/python2.7/dist-packages/vnc_api/gen/vnc_api_client_gen.py", line 5423, in routing_instance_delete
    content = self._request_server(rest.OP_DELETE, uri)
  File "/usr/lib/python2.7/dist-packages/vnc_api/vnc_api.py", line 364, in _request_server
    % (op, url, data, content))
NoIdError: Unknown id: Error: oper 4 url /routing-instance/5e3adfa3-1fdc-4355-a300-edf3f25298b8 body None response ID 5e3adfa3-1fdc-4355-a300-edf3f25298b8 does not exist