[system tests] Test separate_keystone_service_add_delete_node failed on assertionseparate_keystone_service_add_delete_node command

[Tatyanka]

https://product-ci.infra.mirantis.net/job/7.0.system_test.ubuntu.plugins.thread_keystone_separate_services/6/testReport/junit/(root)/separate_keystone_service_add_delete_node/separate_keystone_service_add_delete_node/

test failed with
Hosts on node node-9 differ from others
Traceback (most recent call last):
  File "/usr/lib/python2.7/unittest/case.py", line 331, in run
    testMethod()
  File "/usr/lib/python2.7/unittest/case.py", line 1043, in runTest
    self._testFunc()
  File "/home/jenkins/venv-nailgun-tests-2.9/local/lib/python2.7/site-packages/proboscis/case.py", line 296, in testng_method_mistake_capture_func
    compatability.capture_type_error(s_func)
  File "/home/jenkins/venv-nailgun-tests-2.9/local/lib/python2.7/site-packages/proboscis/compatability/exceptions_2_6.py", line 27, in capture_type_error
    func()
  File "/home/jenkins/venv-nailgun-tests-2.9/local/lib/python2.7/site-packages/proboscis/case.py", line 350, in func
    func(test_case.state.get_state())
  File "/home/jenkins/workspace/7.0.system_test.ubuntu.plugins.thread_keystone_separate_services/fuelweb_test/helpers/decorators.py", line 80, in wrapper
    result = func(*args, **kwargs)
  File "/home/jenkins/workspace/7.0.system_test.ubuntu.plugins.thread_keystone_separate_services/fuelweb_test/tests/tests_separate_services/test_separate_keystone.py", line 253, in separate_keystone_service_add_delete_node
    cmd='hiera memcache_roles')
  File "/home/jenkins/workspace/7.0.system_test.ubuntu.plugins.thread_keystone_separate_services/fuelweb_test/helpers/checkers.py", line 1175, in check_hiera_hosts
    ' others'.format(node['hostname']))
  File "/home/jenkins/venv-nailgun-tests-2.9/local/lib/python2.7/site-packages/proboscis/asserts.py", line 163, in assert_true
    raise ASSERTION_ERROR(message)
AssertionError: Hosts on node node-9 differ from others

It is not clear should memcache run on controller or not, and looks like we need to know what should retrurn hiera memcache_roles for each role

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/227325

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/227325
Committed: https://git.openstack.org/cgit/stackforge/fuel-qa/commit/?id=8e4de22fec7c8c60b94664ec080b21260bb212c0
Submitter: Jenkins
Branch: master

commit 8e4de22fec7c8c60b94664ec080b21260bb212c0
Author: asledzinskiy <email address hidden>
Date: Thu Sep 24 17:01:44 2015 +0300

    Fix separate keystone add node test

    - Memcache is running on keystone and controller nodes
    so hiera memcache_roles output is different for these
    nodes and we need to check them separately

    Change-Id: I23735d6f1dff391606b11bae91113a5c3b505fee
    Closes-Bug: #1496039

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/7.0
Review: https://review.openstack.org/227719

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/227719
Committed: https://git.openstack.org/cgit/stackforge/fuel-qa/commit/?id=e0e4d7b8b7b2d1705b53eabf71977df0879be4a9
Submitter: Jenkins
Branch: stable/7.0

commit e0e4d7b8b7b2d1705b53eabf71977df0879be4a9
Author: asledzinskiy <email address hidden>
Date: Thu Sep 24 17:01:44 2015 +0300

    Fix separate keystone add node test

    - Memcache is running on keystone and controller nodes
    so hiera memcache_roles output is different for these
    nodes and we need to check them separately

    Change-Id: I23735d6f1dff391606b11bae91113a5c3b505fee
    Closes-Bug: #1496039
    (cherry picked from commit 8e4de22fec7c8c60b94664ec080b21260bb212c0)