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[Bug 1442377] [NEW] Intermittent ipset_manager test failures in Kilo

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Public bug reported:

It was brought to my attention that there is an intermittent
ipset_manager test failure in the latest Kilo code, most likely caused
by https://review.openstack.org/#/c/170328/

This is one from http://logs.openstack.org/46/149546/39/check/gate-
neutron-python27/f903ce3/console.html :

2015-04-09 18:15:35.721 | ==============================
2015-04-09 18:15:35.721 | Failed 1 tests - output below:
2015-04-09 18:15:35.721 | ==============================
2015-04-09 18:15:35.721 | 
2015-04-09 18:15:35.722 | neutron.tests.unit.agent.linux.test_ipset_manager.IpsetManagerTestCaseHashArgs.test_set_members_adding_more_than_5
2015-04-09 18:15:35.722 | ------------------------------------------------------------------------------------------------------------------
2015-04-09 18:15:35.722 | 
2015-04-09 18:15:35.722 | Captured traceback:
2015-04-09 18:15:35.722 | ~~~~~~~~~~~~~~~~~~~
2015-04-09 18:15:35.722 |     Traceback (most recent call last):
2015-04-09 18:15:35.722 |       File "neutron/tests/unit/agent/linux/test_ipset_manager.py", line 135, in test_set_members_adding_more_than_5
2015-04-09 18:15:35.723 |         self.verify_mock_calls()
2015-04-09 18:15:35.723 |       File "neutron/tests/unit/agent/linux/test_ipset_manager.py", line 43, in verify_mock_calls
2015-04-09 18:15:35.723 |         self.execute.assert_has_calls(self.expected_calls, any_order=False)
2015-04-09 18:15:35.723 |       File "/home/jenkins/workspace/gate-neutron-python27/.tox/py27/local/lib/python2.7/site-packages/mock.py", line 863, in assert_has_calls
2015-04-09 18:15:35.723 |         'Actual: %r' % (calls, self.mock_calls)
2015-04-09 18:15:35.723 |     AssertionError: Calls not found.
2015-04-09 18:15:35.724 |     Expected: [call(['ipset', 'create', '-exist', 'IPv4fake_sgid', 'hash:ip', 'family', 'inet', 'hashsize', '2048', 'maxelem', '131072'], run_as_root=True, process_input=None), call(['ipset', 'restore', '-exist'], run_as_root=True, process_input='create IPv4fake_sgid-new hash:ip family inet hashsize 2048 maxelem 131072\nadd IPv4fake_sgid-new 10.0.0.1'), call(['ipset', 'swap', 'IPv4fake_sgid-new', 'IPv4fake_sgid'], run_as_root=True, process_input=None), call(['ipset', 'destroy', 'IPv4fake_sgid-new'], run_as_root=True, process_input=None), call(['ipset', 'restore', '-exist'], run_as_root=True, process_input='create IPv4fake_sgid-new hash:ip family inet hashsize 2048 maxelem 131072\nadd IPv4fake_sgid-new 10.0.0.1\nadd IPv4fake_sgid-new 10.0.0.2\nadd IPv4fake_sgid-new 10.0.0.3'), call(['ipset', 'swap', 'IPv4fake_sgid-new', 'IPv4fake_sgid'], run_as_root=True, process_input=None), call(['ipset', 'destroy', 'IPv4fake_sgid-new'], run_as_root=True, process_input=None)]
2015-04-09 18:15:35.724 |     Actual: [call(['ipset', 'create', '-exist', 'IPv4fake_sgid', 'hash:ip', 'family', 'inet', 'hashsize', '2048', 'maxelem', '131072'], run_as_root=True, process_input=None),
2015-04-09 18:15:35.724 |      call(['ipset', 'restore', '-exist'], run_as_root=True, process_input='create IPv4fake_sgid-new hash:ip family inet hashsize 2048 maxelem 131072\nadd IPv4fake_sgid-new 10.0.0.1'),
2015-04-09 18:15:35.724 |      call(['ipset', 'swap', 'IPv4fake_sgid-new', 'IPv4fake_sgid'], run_as_root=True, process_input=None),
2015-04-09 18:15:35.724 |      call(['ipset', 'destroy', 'IPv4fake_sgid-new'], run_as_root=True, process_input=None),
2015-04-09 18:15:35.724 |      call(['ipset', 'add', '-exist', 'IPv4fake_sgid', '10.0.0.3'], run_as_root=True, process_input=None),
2015-04-09 18:15:35.725 |      call(['ipset', 'add', '-exist', 'IPv4fake_sgid', '10.0.0.2'], run_as_root=True, process_input=None)]

I think the fix for this is to just move the self.ipset initializations
from the base class into the sub-classes so they operate on their own
data independently of each other.  Patch forthcoming.

** Affects: neutron
     Importance: Undecided
     Assignee: Brian Haley (brian-haley)
         Status: In Progress

** Changed in: neutron
     Assignee: (unassigned) => Brian Haley (brian-haley)

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https://bugs.launchpad.net/bugs/1442377

Title:
  Intermittent ipset_manager test failures in Kilo

Status in OpenStack Neutron (virtual network service):
  In Progress

Bug description:
  It was brought to my attention that there is an intermittent
  ipset_manager test failure in the latest Kilo code, most likely caused
  by https://review.openstack.org/#/c/170328/

  This is one from http://logs.openstack.org/46/149546/39/check/gate-
  neutron-python27/f903ce3/console.html :

  2015-04-09 18:15:35.721 | ==============================
  2015-04-09 18:15:35.721 | Failed 1 tests - output below:
  2015-04-09 18:15:35.721 | ==============================
  2015-04-09 18:15:35.721 | 
  2015-04-09 18:15:35.722 | neutron.tests.unit.agent.linux.test_ipset_manager.IpsetManagerTestCaseHashArgs.test_set_members_adding_more_than_5
  2015-04-09 18:15:35.722 | ------------------------------------------------------------------------------------------------------------------
  2015-04-09 18:15:35.722 | 
  2015-04-09 18:15:35.722 | Captured traceback:
  2015-04-09 18:15:35.722 | ~~~~~~~~~~~~~~~~~~~
  2015-04-09 18:15:35.722 |     Traceback (most recent call last):
  2015-04-09 18:15:35.722 |       File "neutron/tests/unit/agent/linux/test_ipset_manager.py", line 135, in test_set_members_adding_more_than_5
  2015-04-09 18:15:35.723 |         self.verify_mock_calls()
  2015-04-09 18:15:35.723 |       File "neutron/tests/unit/agent/linux/test_ipset_manager.py", line 43, in verify_mock_calls
  2015-04-09 18:15:35.723 |         self.execute.assert_has_calls(self.expected_calls, any_order=False)
  2015-04-09 18:15:35.723 |       File "/home/jenkins/workspace/gate-neutron-python27/.tox/py27/local/lib/python2.7/site-packages/mock.py", line 863, in assert_has_calls
  2015-04-09 18:15:35.723 |         'Actual: %r' % (calls, self.mock_calls)
  2015-04-09 18:15:35.723 |     AssertionError: Calls not found.
  2015-04-09 18:15:35.724 |     Expected: [call(['ipset', 'create', '-exist', 'IPv4fake_sgid', 'hash:ip', 'family', 'inet', 'hashsize', '2048', 'maxelem', '131072'], run_as_root=True, process_input=None), call(['ipset', 'restore', '-exist'], run_as_root=True, process_input='create IPv4fake_sgid-new hash:ip family inet hashsize 2048 maxelem 131072\nadd IPv4fake_sgid-new 10.0.0.1'), call(['ipset', 'swap', 'IPv4fake_sgid-new', 'IPv4fake_sgid'], run_as_root=True, process_input=None), call(['ipset', 'destroy', 'IPv4fake_sgid-new'], run_as_root=True, process_input=None), call(['ipset', 'restore', '-exist'], run_as_root=True, process_input='create IPv4fake_sgid-new hash:ip family inet hashsize 2048 maxelem 131072\nadd IPv4fake_sgid-new 10.0.0.1\nadd IPv4fake_sgid-new 10.0.0.2\nadd IPv4fake_sgid-new 10.0.0.3'), call(['ipset', 'swap', 'IPv4fake_sgid-new', 'IPv4fake_sgid'], run_as_root=True, process_input=None), call(['ipset', 'destroy', 'IPv4fake_sgid-new'], run_as_root=True, process_input=None)]
  2015-04-09 18:15:35.724 |     Actual: [call(['ipset', 'create', '-exist', 'IPv4fake_sgid', 'hash:ip', 'family', 'inet', 'hashsize', '2048', 'maxelem', '131072'], run_as_root=True, process_input=None),
  2015-04-09 18:15:35.724 |      call(['ipset', 'restore', '-exist'], run_as_root=True, process_input='create IPv4fake_sgid-new hash:ip family inet hashsize 2048 maxelem 131072\nadd IPv4fake_sgid-new 10.0.0.1'),
  2015-04-09 18:15:35.724 |      call(['ipset', 'swap', 'IPv4fake_sgid-new', 'IPv4fake_sgid'], run_as_root=True, process_input=None),
  2015-04-09 18:15:35.724 |      call(['ipset', 'destroy', 'IPv4fake_sgid-new'], run_as_root=True, process_input=None),
  2015-04-09 18:15:35.724 |      call(['ipset', 'add', '-exist', 'IPv4fake_sgid', '10.0.0.3'], run_as_root=True, process_input=None),
  2015-04-09 18:15:35.725 |      call(['ipset', 'add', '-exist', 'IPv4fake_sgid', '10.0.0.2'], run_as_root=True, process_input=None)]

  I think the fix for this is to just move the self.ipset
  initializations from the base class into the sub-classes so they
  operate on their own data independently of each other.  Patch
  forthcoming.

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