IMO this is actually a Neutron bug and Tempest reveals a race.
We should add a waiter for the update to verify it's really a race.
** Also affects: neutron
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1412325
Title:
test_subnet_details failed due to MismatchError
Status in OpenStack Neutron (virtual network service):
New
Status in Tempest:
In Progress
Bug description:
A new test test_subnet_details failed on the gate for Nova like the
following:
http://logs.openstack.org/92/144092/3/check/check-tempest-dsvm-
neutron-full/6bcefe8/logs/testr_results.html.gz
Traceback (most recent call last):
File "tempest/test.py", line 112, in wrapper
return f(self, *func_args, **func_kwargs)
File "tempest/scenario/test_network_basic_ops.py", line 486, in
test_subnet_details
self._check_dns_server(ssh_client, [alt_dns_server])
File "tempest/scenario/test_network_basic_ops.py", line 437, in
_check_dns_server
trgt_serv=dns_servers))
File "/usr/local/lib/python2.7/dist-packages/testtools/testcase.py", line
348, in assertEqual
self.assertThat(observed, matcher, message)
File "/usr/local/lib/python2.7/dist-packages/testtools/testcase.py", line
433, in assertThat
raise mismatch_error
MismatchError: set(['9.8.7.6']) != set(['1.2.3.4']): Looking for servers:
['9.8.7.6']. Retrieved DNS nameservers: ['1.2.3.4'] From host: 172.24.4.98.
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