Hi all, I ran into this issue when Congress or Horizon attempts to get information from Nova. Same thing happened on multiple devstack attempts. But I want to make sure it's not something specific to my environment. Could someone try to reproduce it? Thanks! Nova client version: 6.0.0 Here¹s a bug report I filed for horizon and nova: https://bugs.launchpad.net/nova/+bug/1626216 Here¹s the error trace I get in congress-datasources.log: 2016-09-21 13:14:25.478 ERROR congress.datasources.datasource_driver [-] Datasource driver raised exception 2016-09-21 13:14:25.478 TRACE congress.datasources.datasource_driver Traceback (most recent call last): 2016-09-21 13:14:25.478 TRACE congress.datasources.datasource_driver File "/opt/stack/congress/congress/datasources/datasource_driver.py", line 1384, in poll 2016-09-21 13:14:25.478 TRACE congress.datasources.datasource_driver self.update_from_datasource() # sets self.state 2016-09-21 13:14:25.478 TRACE congress.datasources.datasource_driver File "/opt/stack/congress/congress/datasources/datasource_driver.py", line 1371, in update_from_datasource 2016-09-21 13:14:25.478 TRACE congress.datasources.datasource_driver self.update_methods[registered_table]() 2016-09-21 13:14:25.478 TRACE congress.datasources.datasource_driver File "/opt/stack/congress/congress/datasources/nova_driver.py", line 207, in <lambda> 2016-09-21 13:14:25.478 TRACE congress.datasources.datasource_driver self.nova_client.flavors.list()) 2016-09-21 13:14:25.478 TRACE congress.datasources.datasource_driver File "/usr/local/lib/python2.7/dist-packages/novaclient/v2/flavors.py", line 132, in list 2016-09-21 13:14:25.478 TRACE congress.datasources.datasource_driver return self._list("/flavors%s%s" % (detail, query_string), "flavors") 2016-09-21 13:14:25.478 TRACE congress.datasources.datasource_driver File "/usr/local/lib/python2.7/dist-packages/novaclient/base.py", line 249, in _list 2016-09-21 13:14:25.478 TRACE congress.datasources.datasource_driver resp, body = self.api.client.get(url) 2016-09-21 13:14:25.478 TRACE congress.datasources.datasource_driver File "/usr/local/lib/python2.7/dist-packages/keystoneauth1/adapter.py", line 187, in get 2016-09-21 13:14:25.478 TRACE congress.datasources.datasource_driver return self.request(url, 'GET', **kwargs) 2016-09-21 13:14:25.478 TRACE congress.datasources.datasource_driver File "/usr/local/lib/python2.7/dist-packages/novaclient/client.py", line 107, in request 2016-09-21 13:14:25.478 TRACE congress.datasources.datasource_driver **kwargs) 2016-09-21 13:14:25.478 TRACE congress.datasources.datasource_driver File "/usr/local/lib/python2.7/dist-packages/keystoneauth1/adapter.py", line 344, in request 2016-09-21 13:14:25.478 TRACE congress.datasources.datasource_driver resp = super(LegacyJsonAdapter, self).request(*args, **kwargs) 2016-09-21 13:14:25.478 TRACE congress.datasources.datasource_driver File "/usr/local/lib/python2.7/dist-packages/keystoneauth1/adapter.py", line 112, in request 2016-09-21 13:14:25.478 TRACE congress.datasources.datasource_driver return self.session.request(url, method, **kwargs) 2016-09-21 13:14:25.478 TRACE congress.datasources.datasource_driver File "/usr/local/lib/python2.7/dist-packages/positional/__init__.py", line 101, in inner 2016-09-21 13:14:25.478 TRACE congress.datasources.datasource_driver return wrapped(*args, **kwargs) 2016-09-21 13:14:25.478 TRACE congress.datasources.datasource_driver File "/usr/local/lib/python2.7/dist-packages/keystoneauth1/session.py", line 555, in request 2016-09-21 13:14:25.478 TRACE congress.datasources.datasource_driver resp = send(**kwargs) 2016-09-21 13:14:25.478 TRACE congress.datasources.datasource_driver File "/usr/local/lib/python2.7/dist-packages/keystoneauth1/session.py", line 599, in _send_request 2016-09-21 13:14:25.478 TRACE congress.datasources.datasource_driver raise exceptions.ConnectFailure(msg) 2016-09-21 13:14:25.478 TRACE congress.datasources.datasource_driver ConnectFailure: Unable to establish connection to http://192.168.218.145:8774/v2.1/flavors/detail 2016-09-21 13:14:25.478 TRACE congress.datasources.datasource_driver 2016-09-21 13:14:25.503 INFO congress.datasources.datasource_driver [-] nova:: finished polling
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