259 lines
		
	
	
		
			9.1 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			259 lines
		
	
	
		
			9.1 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
from mock import call, patch, MagicMock
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from unit_tests.test_utils import CharmTestCase
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import hooks.nova_compute_utils as utils
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_reg = utils.register_configs
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_map = utils.restart_map
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utils.register_configs = MagicMock()
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utils.restart_map = MagicMock()
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import hooks.nova_compute_relations as relations
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utils.register_configs = _reg
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utils.restart_map = _map
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TO_PATCH = [
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    # charmhelpers.core.hookenv
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    'Hooks',
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    'config',
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    'log',
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    'relation_ids',
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    'relation_set',
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    'service_name',
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    'unit_get',
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    # charmhelpers.core.host
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    'apt_install',
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    'apt_update',
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    'filter_installed_packages',
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    'restart_on_change',
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    #charmhelpers.contrib.openstack.utils
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    'configure_installation_source',
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    'openstack_upgrade_available',
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    # nova_compute_utils
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    #'PACKAGES',
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    'restart_map',
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    'determine_packages',
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    'import_authorized_keys',
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    'import_keystone_ca_cert',
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    'initialize_ssh_keys',
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    'migration_enabled',
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    'do_openstack_upgrade',
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    'quantum_attribute',
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    'quantum_enabled',
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    'quantum_plugin',
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    'public_ssh_key',
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    'register_configs',
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    # misc_utils
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    'ensure_ceph_keyring',
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]
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def fake_filter(packages):
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    return packages
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class NovaComputeRelationsTests(CharmTestCase):
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    def setUp(self):
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        super(NovaComputeRelationsTests, self).setUp(relations,
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                                                     TO_PATCH)
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        self.config.side_effect = self.test_config.get
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        self.filter_installed_packages.side_effect = fake_filter
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    def test_install_hook(self):
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        repo = 'cloud:precise-grizzly'
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        self.test_config.set('openstack-origin', repo)
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        self.determine_packages.return_value = ['foo', 'bar']
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        relations.install()
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        self.configure_installation_source.assert_called_with(repo)
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        self.assertTrue(self.apt_update.called)
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        self.apt_install.assert_called_with(['foo', 'bar'], fatal=True)
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    def test_config_changed_with_upgrade(self):
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        self.openstack_upgrade_available.return_value = True
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        relations.config_changed()
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        self.assertTrue(self.do_openstack_upgrade.called)
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    @patch.object(relations, 'compute_joined')
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    def test_config_changed_with_migration(self, compute_joined):
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        self.migration_enabled.return_value = True
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        self.test_config.set('migration-auth-type', 'ssh')
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        self.relation_ids.return_value = [
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            'cloud-compute:0',
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            'cloud-compute:1'
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        ]
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        relations.config_changed()
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        ex = [
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            call('cloud-compute:0'),
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            call('cloud-compute:1'),
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        ]
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        self.assertEquals(ex, compute_joined.call_args_list)
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    @patch.object(relations, 'compute_joined')
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    def test_config_changed_no_upgrade_no_migration(self, compute_joined):
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        self.openstack_upgrade_available.return_value = False
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        self.migration_enabled.return_value = False
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        relations.config_changed()
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        self.assertFalse(self.do_openstack_upgrade.called)
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        self.assertFalse(compute_joined.called)
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    def test_amqp_joined(self):
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        relations.amqp_joined()
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        self.relation_set.assert_called_with(username='nova', vhost='nova')
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    @patch.object(relations, 'CONFIGS')
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    def test_amqp_changed_missing_relation_data(self, configs):
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        configs.complete_contexts = MagicMock()
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        configs.complete_contexts.return_value = []
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        relations.amqp_changed()
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        self.log.assert_called_with(
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            'amqp relation incomplete. Peer not ready?'
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        )
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    def _amqp_test(self, configs, quantum=False):
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        configs.complete_contexts = MagicMock()
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        configs.complete_contexts.return_value = ['amqp']
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        configs.write = MagicMock()
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        self.quantum_enabled.return_value = quantum
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        relations.amqp_changed()
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    @patch.object(relations, 'CONFIGS')
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    def test_amqp_changed_with_data_no_quantum(self, configs):
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        self._amqp_test(configs, quantum=False)
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        self.assertEquals([call('/etc/nova/nova.conf')],
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                          configs.write.call_args_list)
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    @patch.object(relations, 'CONFIGS')
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    def test_amqp_changed_with_data_and_quantum(self, configs):
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        self._amqp_test(configs, quantum=True)
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        self.assertEquals([call('/etc/nova/nova.conf'),
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                           call('/etc/quantum/quantum.conf')],
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                          configs.write.call_args_list)
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    def test_db_joined(self):
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        self.unit_get.return_value = 'nova.foohost.com'
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        relations.db_joined()
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        self.relation_set.assert_called_with(database='nova', username='nova',
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                                             hostname='nova.foohost.com')
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        self.unit_get.assert_called_with('private-address')
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    @patch.object(relations, 'CONFIGS')
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    def test_db_changed_missing_relation_data(self, configs):
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        configs.complete_contexts = MagicMock()
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        configs.complete_contexts.return_value = []
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        relations.db_changed()
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        self.log.assert_called_with(
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            'shared-db relation incomplete. Peer not ready?'
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        )
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    def _shared_db_test(self, configs, quantum=False):
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        configs.complete_contexts = MagicMock()
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        configs.complete_contexts.return_value = ['shared-db']
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        configs.write = MagicMock()
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        self.quantum_enabled.return_value = quantum
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        relations.db_changed()
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    @patch.object(relations, 'CONFIGS')
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    def test_db_changed_with_data_no_quantum(self, configs):
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        self._shared_db_test(configs, quantum=False)
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        self.assertEquals([call('/etc/nova/nova.conf')],
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                          configs.write.call_args_list)
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    @patch.object(relations, 'CONFIGS')
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    def test_db_changed_with_data_and_quantum(self, configs):
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        self.quantum_attribute.return_value = '/etc/quantum/plugin.conf'
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        self._shared_db_test(configs, quantum=True)
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        ex = [call('/etc/nova/nova.conf'), call('/etc/quantum/plugin.conf')]
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        self.assertEquals(ex, configs.write.call_args_list)
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    @patch.object(relations, 'CONFIGS')
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    def test_image_service_missing_relation_data(self, configs):
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        configs.complete_contexts = MagicMock()
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        configs.complete_contexts.return_value = []
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        relations.image_service_changed()
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        self.log.assert_called_with(
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            'image-service relation incomplete. Peer not ready?'
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        )
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    @patch.object(relations, 'CONFIGS')
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    def test_image_service_with_relation_data(self, configs):
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        configs.complete_contexts = MagicMock()
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        configs.write = MagicMock()
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        configs.complete_contexts.return_value = ['image-service']
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        relations.image_service_changed()
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        configs.write.assert_called_with('/etc/nova/nova.conf')
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    def test_compute_joined_no_migration(self):
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        self.migration_enabled.return_value = False
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        relations.compute_joined()
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        self.assertFalse(self.relation_set.called)
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    def test_compute_joined_with_ssh_migration(self):
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        self.migration_enabled.return_value = True
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        self.test_config.set('migration-auth-type', 'ssh')
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        self.public_ssh_key.return_value = 'foo'
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        relations.compute_joined()
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        self.relation_set.assert_called_with(
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            relation_id=None,
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            ssh_public_key='foo',
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            migration_auth_type='ssh'
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        )
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        relations.compute_joined(rid='cloud-compute:2')
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        self.relation_set.assert_called_with(
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            relation_id='cloud-compute:2',
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            ssh_public_key='foo',
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            migration_auth_type='ssh'
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        )
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    def test_compute_changed(self):
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        relations.compute_changed()
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        expected_funcs = [
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            self.import_authorized_keys,
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            self.import_keystone_ca_cert,
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        ]
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        for func in expected_funcs:
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            self.assertTrue(func.called)
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    @patch('os.mkdir')
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    @patch('os.path.isdir')
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    def test_ceph_joined(self, isdir, mkdir):
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        isdir.return_value = False
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        relations.ceph_joined()
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        mkdir.assert_called_with('/etc/ceph')
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        self.apt_install.assert_called_with(['ceph-common'])
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    @patch.object(relations, 'CONFIGS')
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    def test_ceph_changed_missing_relation_data(self, configs):
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        configs.complete_contexts = MagicMock()
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        configs.complete_contexts.return_value = []
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        relations.ceph_changed()
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        self.log.assert_called_with(
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            'ceph relation incomplete. Peer not ready?'
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        )
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    @patch.object(relations, 'CONFIGS')
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    def test_ceph_changed_no_keyring(self, configs):
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        configs.complete_contexts = MagicMock()
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        configs.complete_contexts.return_value = ['ceph']
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        self.ensure_ceph_keyring.return_value = False
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        relations.ceph_changed()
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        self.log.assert_called_with(
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            'Could not create ceph keyring: peer not ready?'
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        )
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    @patch.object(relations, 'CONFIGS')
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    def test_ceph_changed_with_key_and_relation_data(self, configs):
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        configs.complete_contexts = MagicMock()
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        configs.complete_contexts.return_value = ['ceph']
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        configs.write = MagicMock()
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        self.ensure_ceph_keyring.return_value = True
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        relations.ceph_changed()
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        ex = [
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            call('/etc/ceph/ceph.conf'),
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            call('/etc/ceph/secret.xml'),
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            call('/etc/nova/nova.conf'),
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        ]
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        self.assertEquals(ex, configs.write.call_args_list)
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