centos8 periodic master jobs failing tempest 'no more ip addresses'

[Marios Andreou]

At [1][2] the centos8 periodic standalone-full-tempest-scenario-master and ovb-1ctlr_2comp-featureset020-master (possibly others too) are failing during tempest tests execution with trace like:

        Traceback (most recent call last):
          File "/usr/lib/python3.6/site-packages/neutron_tempest_plugin/scenario/test_ports.py", line 71, in test_previously_used_port
            self.port)
          File "/usr/lib/python3.6/site-packages/neutron_tempest_plugin/scenario/test_ports.py", line 64, in _create_instance_with_port
            fips.append(self.create_floatingip(port=port))
          File "/usr/lib/python3.6/site-packages/neutron_tempest_plugin/api/base.py", line 634, in create_floatingip
            **kwargs)['floatingip']
          File "/usr/lib/python3.6/site-packages/neutron_tempest_plugin/services/network/json/network_client.py", line 972, in create_floatingip
            resp, body = self.post(uri, body)
          File "/usr/lib/python3.6/site-packages/tempest/lib/common/rest_client.py", line 298, in post
            return self.request('POST', url, extra_headers, headers, body, chunked)
          File "/usr/lib/python3.6/site-packages/tempest/lib/common/rest_client.py", line 702, in request
            self._error_checker(resp, resp_body)
          File "/usr/lib/python3.6/site-packages/tempest/lib/common/rest_client.py", line 823, in _error_checker
            raise exceptions.Conflict(resp_body, resp=resp)
        tempest.lib.exceptions.Conflict: Conflict with state of target resource
        Details: {'type': 'IpAddressGenerationFailure', 'message': 'No more IP addresses available on network 2309d220-59b5-445f-8157-ab962046518b.', 'detail': ''}

This is blocker for centos8 master promotion. Not sure yet if this is related to [3] - they share the 'conflict with state of target' but the rest of the error is different.

[1] https://logserver.rdoproject.org/openstack-periodic-integration-main/opendev.org/openstack/tripleo-ci/master/periodic-tripleo-ci-centos-8-standalone-full-tempest-scenario-master/883e204/logs/undercloud/var/log/tempest/stestr_results.html.gz
[2] https://logserver.rdoproject.org/openstack-periodic-integration-main/opendev.org/openstack/tripleo-ci/master/periodic-tripleo-ci-centos-8-ovb-1ctlr_2comp-featureset020-master/2dc0d42/logs/undercloud/var/log/tempest/stestr_results.html.gz
[3] https://bugs.launchpad.net/tripleo/+bug/1889529

[Marios Andreou (marios-b)]

duplicate there https://bugs.launchpad.net/tripleo/+bug/1888511

[Marios Andreou (marios-b)]

I am not sure yet if this is _done_ (in which case I don't know how/what fixed it), or if it will still appear/is happening sporadically.

Since the bug was filed we had a master promotion and I can't find examples of this so I think it is fix released... looking at [1] (jobs reference in the description) can't find examples of this today.

However I can't mark fix-released as it is duplicate will comment on original too

[1] https://review.rdoproject.org/zuul/builds?job_name=periodic-tripleo-ci-centos-8-standalone-full-tempest-scenario-master&job_name=periodic-tripleo-ci-centos-8-ovb-1ctlr_2comp-featureset020-master