[trusty/mitaka] identity-service-relation-changed hook sometimes fails on fresh deployments

[Aurelien Lourot]

Seen at least twice on OSCI:
- with identity-service relation to cinder [0]
- with identity-service relation to swift-proxy [1]

2020-06-08 15:31:42 DEBUG identity-service-relation-changed Traceback (most recent call last):
2020-06-08 15:31:42 DEBUG identity-service-relation-changed File "/var/lib/juju/agents/unit-keystone-2/charm/hooks/manager.py", line 697, in <module>
2020-06-08 15:31:42 DEBUG identity-service-relation-changed spec['charm_credentials']))
2020-06-08 15:31:42 DEBUG identity-service-relation-changed File "/var/lib/juju/agents/unit-keystone-2/charm/hooks/manager.py", line 625, in get_manager
2020-06-08 15:31:42 DEBUG identity-service-relation-changed api_local_endpoint, charm_credentials, api_version)
2020-06-08 15:31:42 DEBUG identity-service-relation-changed File "/var/lib/juju/agents/unit-keystone-2/charm/hooks/manager.py", line 106, in _retry_on_exception_inner_2
2020-06-08 15:31:42 DEBUG identity-service-relation-changed return f(*args, **kwargs)
2020-06-08 15:31:42 DEBUG identity-service-relation-changed File "/var/lib/juju/agents/unit-keystone-2/charm/hooks/manager.py", line 157, in get_keystone_manager
2020-06-08 15:31:42 DEBUG identity-service-relation-changed for svc in manager.api.services.list():
2020-06-08 15:31:42 DEBUG identity-service-relation-changed File "/usr/lib/python2.7/dist-packages/keystoneclient/v2_0/services.py", line 32, in list
2020-06-08 15:31:42 DEBUG identity-service-relation-changed return self._list("/OS-KSADM/services", "OS-KSADM:services")
2020-06-08 15:31:42 DEBUG identity-service-relation-changed File "/usr/lib/python2.7/dist-packages/keystoneclient/base.py", line 124, in _list
2020-06-08 15:31:42 DEBUG identity-service-relation-changed resp, body = self.client.get(url, **kwargs)
2020-06-08 15:31:42 DEBUG identity-service-relation-changed File "/usr/lib/python2.7/dist-packages/keystoneauth1/adapter.py", line 173, in get
2020-06-08 15:31:42 DEBUG identity-service-relation-changed return self.request(url, 'GET', **kwargs)
2020-06-08 15:31:42 DEBUG identity-service-relation-changed File "/usr/lib/python2.7/dist-packages/keystoneauth1/adapter.py", line 331, in request
2020-06-08 15:31:42 DEBUG identity-service-relation-changed resp = super(LegacyJsonAdapter, self).request(*args, **kwargs)
2020-06-08 15:31:42 DEBUG identity-service-relation-changed File "/usr/lib/python2.7/dist-packages/keystoneauth1/adapter.py", line 98, in request
2020-06-08 15:31:42 DEBUG identity-service-relation-changed return self.session.request(url, method, **kwargs)
2020-06-08 15:31:42 DEBUG identity-service-relation-changed File "/usr/lib/python2.7/dist-packages/positional/__init__.py", line 94, in inner
2020-06-08 15:31:42 DEBUG identity-service-relation-changed return func(*args, **kwargs)
2020-06-08 15:31:42 DEBUG identity-service-relation-changed File "/usr/lib/python2.7/dist-packages/keystoneauth1/session.py", line 370, in request
2020-06-08 15:31:42 DEBUG identity-service-relation-changed auth_headers = self.get_auth_headers(auth)
2020-06-08 15:31:42 DEBUG identity-service-relation-changed File "/usr/lib/python2.7/dist-packages/keystoneauth1/session.py", line 624, in get_auth_headers
2020-06-08 15:31:42 DEBUG identity-service-relation-changed return auth.get_headers(self, **kwargs)
2020-06-08 15:31:42 DEBUG identity-service-relation-changed File "/usr/lib/python2.7/dist-packages/keystoneauth1/plugin.py", line 84, in get_headers
2020-06-08 15:31:42 DEBUG identity-service-relation-changed token = self.get_token(session)
2020-06-08 15:31:42 DEBUG identity-service-relation-changed File "/usr/lib/python2.7/dist-packages/keystoneauth1/identity/base.py", line 90, in get_token
2020-06-08 15:31:42 DEBUG identity-service-relation-changed return self.get_access(session).auth_token
2020-06-08 15:31:42 DEBUG identity-service-relation-changed File "/usr/lib/python2.7/dist-packages/keystoneauth1/identity/base.py", line 136, in get_access
2020-06-08 15:31:42 DEBUG identity-service-relation-changed self.auth_ref = self.get_auth_ref(session)
2020-06-08 15:31:42 DEBUG identity-service-relation-changed File "/usr/lib/python2.7/dist-packages/keystoneauth1/identity/v2.py", line 65, in get_auth_ref
2020-06-08 15:31:42 DEBUG identity-service-relation-changed authenticated=False, log=False)
2020-06-08 15:31:42 DEBUG identity-service-relation-changed File "/usr/lib/python2.7/dist-packages/keystoneauth1/session.py", line 572, in post
2020-06-08 15:31:42 DEBUG identity-service-relation-changed return self.request(url, 'POST', **kwargs)
2020-06-08 15:31:42 DEBUG identity-service-relation-changed File "/usr/lib/python2.7/dist-packages/positional/__init__.py", line 94, in inner
2020-06-08 15:31:42 DEBUG identity-service-relation-changed return func(*args, **kwargs)
2020-06-08 15:31:42 DEBUG identity-service-relation-changed File "/usr/lib/python2.7/dist-packages/keystoneauth1/session.py", line 452, in request
2020-06-08 15:31:42 DEBUG identity-service-relation-changed resp = send(**kwargs)
2020-06-08 15:31:42 DEBUG identity-service-relation-changed File "/usr/lib/python2.7/dist-packages/keystoneauth1/session.py", line 496, in _send_request
2020-06-08 15:31:42 DEBUG identity-service-relation-changed raise exceptions.ConnectFailure(msg)
2020-06-08 15:31:42 DEBUG identity-service-relation-changed ConnectFailure: Unable to establish connection to http://localhost:35347/v2.0/tokens

0: http://osci:8080/job/mojo_runner/22751
1: http://osci:8080/job/mojo_runner/22775

[Alex Kavanagh (ajkavanagh)]

Triaged: won't fix. Reason: trusty is now EOL.