116 lines
3.8 KiB
Python
116 lines
3.8 KiB
Python
# Copyright 2016 Canonical Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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import sys
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from mock import patch, call, MagicMock
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from test_utils import (
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CharmTestCase,
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RESTART_MAP,
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)
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os.environ['JUJU_UNIT_NAME'] = 'cinder'
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# python-apt is not installed as part of test-requirements but is imported by
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# some charmhelpers modules so create a fake import.
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mock_apt = MagicMock()
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sys.modules['apt'] = mock_apt
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mock_apt.apt_pkg = MagicMock()
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with patch('cinder_utils.register_configs') as register_configs:
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with patch('cinder_utils.restart_map') as restart_map:
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restart_map.return_value = RESTART_MAP
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import cinder_hooks as hooks
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hooks.hooks._config_save = False
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TO_PATCH = [
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# cinder_utils
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'determine_packages',
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'juju_log',
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'lsb_release',
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'migrate_database',
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'configure_lvm_storage',
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'register_configs',
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'service_enabled',
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'CONFIGS',
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'CLUSTER_RES',
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# charmhelpers.core.hookenv
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'config',
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'relation_set',
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'relation_get',
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'relation_ids',
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'service_name',
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# charmhelpers.core.host
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'apt_install',
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'apt_update',
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# charmhelpers.contrib.openstack.openstack_utils
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'configure_installation_source',
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# charmhelpers.contrib.hahelpers.cluster_utils
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'is_elected_leader',
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# charmhelpers.contrib.network.ip
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'get_relation_ip',
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]
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class TestClusterHooks(CharmTestCase):
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def setUp(self):
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super(TestClusterHooks, self).setUp(hooks, TO_PATCH)
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self.config.side_effect = self.test_config.get
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@patch.object(hooks, 'check_local_db_actions_complete',
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lambda *args, **kwargs: None)
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@patch('charmhelpers.core.host.service')
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@patch('charmhelpers.core.host.path_hash')
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def test_cluster_hook(self, path_hash, service):
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'Ensure API restart before haproxy on cluster changed'
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# set first hash lookup on all files
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side_effects = []
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# set first hash lookup on all configs in restart_on_change
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[side_effects.append('foo') for f in RESTART_MAP.keys()]
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# set second hash lookup on all configs in restart_on_change
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[side_effects.append('bar') for f in RESTART_MAP.keys()]
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path_hash.side_effect = side_effects
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hooks.hooks.execute(['hooks/cluster-relation-changed'])
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ex = [
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call('stop', 'cinder-api'),
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call('start', 'cinder-api'),
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call('stop', 'cinder-volume'),
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call('start', 'cinder-volume'),
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call('stop', 'cinder-scheduler'),
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call('start', 'cinder-scheduler'),
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call('stop', 'haproxy'),
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call('start', 'haproxy'),
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call('stop', 'apache2'),
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call('start', 'apache2'),
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]
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self.assertEqual(ex, service.call_args_list)
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@patch.object(hooks, 'identity_joined')
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def test_ha_changed_clustered(self, joined):
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self.relation_get.return_value = True
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self.relation_ids.return_value = ['identity:0']
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hooks.hooks.execute(['hooks/ha-relation-changed'])
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joined.assert_called_with(rid='identity:0')
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def test_ha_changed_not_clustered(self):
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'Ensure ha_changed exits early if not yet clustered'
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self.relation_get.return_value = None
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hooks.hooks.execute(['hooks/ha-relation-changed'])
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self.assertTrue(self.juju_log.called)
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