charm-keystone/unit_tests/test_keystone_hooks.py

1325 lines
58 KiB
Python

# Copyright 2016 Canonical Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import os
import uuid
import yaml
import sys
from mock import call, patch, MagicMock
from test_utils import CharmTestCase
# python-apt is not installed as part of test-requirements but is imported by
# some charmhelpers modules so create a fake import.
sys.modules['apt'] = MagicMock()
os.environ['JUJU_UNIT_NAME'] = 'keystone'
with patch('charmhelpers.core.hookenv.config') as config, \
patch('charmhelpers.contrib.openstack.'
'utils.snap_install_requested') as snap_install_requested:
snap_install_requested.return_value = False
config.return_value = 'keystone'
import keystone_utils as utils
_reg = utils.register_configs
_map = utils.restart_map
utils.register_configs = MagicMock()
utils.restart_map = MagicMock()
with patch('charmhelpers.contrib.hardening.harden.harden') as mock_dec:
mock_dec.side_effect = (lambda *dargs, **dkwargs: lambda f:
lambda *args, **kwargs: f(*args, **kwargs))
with patch('keystone_utils.run_in_apache') as mock_run_in_apache:
import keystone_hooks as hooks
from charmhelpers.contrib import unison
utils.register_configs = _reg
utils.restart_map = _map
TO_PATCH = [
# charmhelpers.core.hookenv
'Hooks',
'config',
'is_relation_made',
'log',
'local_unit',
'filter_installed_packages',
'relation_ids',
'relation_set',
'relation_get',
'related_units',
'peer_echo',
'get_relation_ip',
'open_port',
'is_leader',
# charmhelpers.core.host
'apt_install',
'apt_update',
'service_restart',
# charmhelpers.contrib.openstack.utils
'configure_installation_source',
'git_install_requested',
'snap_install_requested',
# charmhelpers.contrib.openstack.ip
'resolve_address',
# charmhelpers.contrib.openstack.ha.utils
'update_dns_ha_resource_params',
'expect_ha',
# charmhelpers.contrib.hahelpers.cluster_utils
'is_elected_leader',
'get_hacluster_config',
'is_clustered',
# keystone_utils
'restart_map',
'register_configs',
'do_openstack_upgrade_reexec',
'openstack_upgrade_available',
'save_script_rc',
'migrate_database',
'ensure_initial_admin',
'add_service_to_keystone',
'synchronize_ca_if_changed',
'update_nrpe_config',
'ensure_ssl_dirs',
'is_db_ready',
'keystone_service',
'create_or_show_domain',
'get_api_version',
# other
'check_call',
'execd_preinstall',
'mkdir',
'os',
# ip
'get_iface_for_address',
'get_netmask_for_address',
'git_install',
'is_service_present',
'delete_service_entry',
'os_release',
'service_pause',
'disable_unused_apache_sites',
'run_in_apache',
# unitdata
'unitdata',
]
class KeystoneRelationTests(CharmTestCase):
def setUp(self):
super(KeystoneRelationTests, self).setUp(hooks, TO_PATCH)
self.config.side_effect = self.test_config.get
self.ssh_user = 'juju_keystone'
self.snap_install_requested.return_value = False
@patch.object(utils, 'os_release')
@patch.object(utils, 'git_install_requested')
@patch.object(unison, 'ensure_user')
@patch.object(hooks, 'service_stop', lambda *args: None)
@patch.object(hooks, 'service_start', lambda *args: None)
def test_install_hook(self, ensure_user, git_requested, os_release):
os_release.return_value = 'havana'
git_requested.return_value = False
self.run_in_apache.return_value = False
repo = 'cloud:precise-grizzly'
self.test_config.set('openstack-origin', repo)
hooks.install()
self.assertTrue(self.execd_preinstall.called)
self.configure_installation_source.assert_called_with(repo)
ensure_user.assert_called_with(user=self.ssh_user, group='keystone')
self.assertTrue(self.apt_update.called)
self.apt_install.assert_called_with(
['apache2', 'haproxy', 'keystone', 'openssl', 'pwgen',
'python-keystoneclient', 'python-mysqldb', 'python-psycopg2',
'python-six', 'unison', 'uuid'], fatal=True)
self.git_install.assert_called_with(None)
self.disable_unused_apache_sites.assert_not_called()
@patch.object(utils, 'os_release')
@patch.object(utils, 'git_install_requested')
@patch.object(unison, 'ensure_user')
@patch.object(hooks, 'service_stop', lambda *args: None)
@patch.object(hooks, 'service_start', lambda *args: None)
def test_install_hook_apache2(self, ensure_user,
git_requested, os_release):
os_release.return_value = 'havana'
git_requested.return_value = False
self.run_in_apache.return_value = True
repo = 'cloud:xenial-newton'
self.test_config.set('openstack-origin', repo)
self.os.path.exists.return_value = True
hooks.install()
self.assertTrue(self.execd_preinstall.called)
self.configure_installation_source.assert_called_with(repo)
ensure_user.assert_called_with(user=self.ssh_user, group='keystone')
self.assertTrue(self.apt_update.called)
self.apt_install.assert_called_with(
['apache2', 'haproxy', 'keystone', 'openssl', 'pwgen',
'python-keystoneclient', 'python-mysqldb', 'python-psycopg2',
'python-six', 'unison', 'uuid'], fatal=True)
self.git_install.assert_called_with(None)
self.disable_unused_apache_sites.assert_called_with()
@patch.object(utils, 'os_release')
@patch.object(utils, 'git_install_requested')
@patch.object(unison, 'ensure_user')
@patch.object(hooks, 'service_stop', lambda *args: None)
@patch.object(hooks, 'service_start', lambda *args: None)
def test_install_hook_git(self, ensure_user, git_requested, os_release):
os_release.return_value = 'havana'
git_requested.return_value = True
repo = 'cloud:trusty-juno'
openstack_origin_git = {
'repositories': [
{'name': 'requirements',
'repository': 'git://git.openstack.org/openstack/requirements', # noqa
'branch': 'stable/juno'},
{'name': 'keystone',
'repository': 'git://git.openstack.org/openstack/keystone',
'branch': 'stable/juno'}
],
'directory': '/mnt/openstack-git',
}
projects_yaml = yaml.dump(openstack_origin_git)
self.test_config.set('openstack-origin', repo)
self.test_config.set('openstack-origin-git', projects_yaml)
hooks.install()
self.assertTrue(self.execd_preinstall.called)
self.configure_installation_source.assert_called_with(repo)
ensure_user.assert_called_with(user=self.ssh_user, group='keystone')
self.assertTrue(self.apt_update.called)
self.apt_install.assert_called_with(
['apache2', 'haproxy', 'libffi-dev', 'libmysqlclient-dev',
'libssl-dev', 'libxml2-dev', 'libxslt1-dev', 'libyaml-dev',
'openssl', 'pwgen', 'python-dev', 'python-keystoneclient',
'python-mysqldb', 'python-pip', 'python-psycopg2',
'python-setuptools', 'python-six', 'unison', 'uuid',
'zlib1g-dev'], fatal=True)
self.git_install.assert_called_with(projects_yaml)
mod_ch_openstack_utils = 'charmhelpers.contrib.openstack.utils'
@patch.object(utils, 'os_release')
@patch.object(hooks, 'config')
@patch('%s.config' % (mod_ch_openstack_utils))
@patch('%s.relation_set' % (mod_ch_openstack_utils))
@patch('%s.relation_ids' % (mod_ch_openstack_utils))
@patch('%s.get_ipv6_addr' % (mod_ch_openstack_utils))
@patch('%s.sync_db_with_multi_ipv6_addresses' % (mod_ch_openstack_utils))
def test_db_joined(self, mock_sync_db_with_multi, mock_get_ipv6_addr,
mock_relation_ids, mock_relation_set, mock_config,
mock_hooks_config, os_release):
cfg_dict = {'prefer-ipv6': False,
'database': 'keystone',
'database-user': 'keystone',
'vip': None}
class mock_cls_config():
def __call__(self, key):
return cfg_dict[key]
cfg = mock_cls_config()
mock_hooks_config.side_effect = cfg
mock_config.side_effect = cfg
self.get_relation_ip.return_value = '192.168.20.1'
self.is_relation_made.return_value = False
hooks.db_joined()
self.relation_set.assert_called_with(database='keystone',
username='keystone',
hostname='192.168.20.1')
def test_postgresql_db_joined(self):
self.is_relation_made.return_value = False
hooks.pgsql_db_joined()
self.relation_set.assert_called_with(database='keystone'),
def test_db_joined_with_postgresql(self):
self.is_relation_made.return_value = True
with self.assertRaises(Exception) as context:
hooks.db_joined()
self.assertEqual(
context.exception.message,
'Attempting to associate a mysql database when there '
'is already associated a postgresql one')
def test_postgresql_joined_with_db(self):
self.is_relation_made.return_value = True
with self.assertRaises(Exception) as context:
hooks.pgsql_db_joined()
self.assertEqual(
context.exception.message,
'Attempting to associate a postgresql database when there '
'is already associated a mysql one')
@patch('keystone_utils.log')
@patch('keystone_utils.ensure_ssl_cert_master')
@patch.object(hooks, 'CONFIGS')
def test_db_changed_missing_relation_data(self, configs,
mock_ensure_ssl_cert_master,
mock_log):
mock_ensure_ssl_cert_master.return_value = False
configs.complete_contexts = MagicMock()
configs.complete_contexts.return_value = []
hooks.db_changed()
self.log.assert_called_with(
'shared-db relation incomplete. Peer not ready?'
)
@patch('keystone_utils.log')
@patch('keystone_utils.ensure_ssl_cert_master')
@patch.object(hooks, 'CONFIGS')
def test_postgresql_db_changed_missing_relation_data(self, configs,
mock_ensure_leader,
mock_log):
mock_ensure_leader.return_value = False
configs.complete_contexts = MagicMock()
configs.complete_contexts.return_value = []
hooks.pgsql_db_changed()
self.log.assert_called_with(
'pgsql-db relation incomplete. Peer not ready?'
)
def _shared_db_test(self, configs, unit_name):
self.relation_get.return_value = 'keystone/0 keystone/3'
self.local_unit.return_value = unit_name
configs.complete_contexts = MagicMock()
configs.complete_contexts.return_value = ['shared-db']
configs.write = MagicMock()
hooks.db_changed()
def _postgresql_db_test(self, configs):
configs.complete_contexts = MagicMock()
configs.complete_contexts.return_value = ['pgsql-db']
configs.write = MagicMock()
hooks.pgsql_db_changed()
@patch.object(hooks, 'leader_init_db_if_ready')
@patch('keystone_utils.ensure_ssl_cert_master')
@patch.object(hooks, 'CONFIGS')
def test_db_changed(self, configs,
mock_ensure_ssl_cert_master,
leader_init):
self.os_release.return_value = 'havana'
mock_ensure_ssl_cert_master.return_value = False
self._shared_db_test(configs, 'keystone/3')
self.assertEqual([call('/etc/keystone/keystone.conf')],
configs.write.call_args_list)
self.assertTrue(leader_init.called)
@patch.object(hooks, 'leader_init_db_if_ready')
@patch('keystone_utils.ensure_ssl_cert_master')
@patch.object(hooks, 'CONFIGS')
def test_postgresql_db_changed(self, configs,
mock_ensure_ssl_cert_master,
leader_init):
self.os_release.return_value = 'havana'
mock_ensure_ssl_cert_master.return_value = False
self._postgresql_db_test(configs)
self.assertEqual([call('/etc/keystone/keystone.conf')],
configs.write.call_args_list)
self.assertTrue(leader_init.called)
@patch.object(hooks, 'update_all_domain_backends')
@patch.object(hooks, 'update_all_identity_relation_units')
@patch.object(hooks, 'run_in_apache')
@patch.object(hooks, 'is_db_initialised')
@patch.object(hooks, 'git_install_requested')
@patch('keystone_utils.log')
@patch('keystone_utils.ensure_ssl_cert_master')
@patch('keystone_utils.ensure_ssl_dirs')
@patch.object(hooks, 'ensure_permissions')
@patch.object(hooks, 'ensure_pki_cert_paths')
@patch.object(hooks, 'ensure_pki_dir_permissions')
@patch.object(hooks, 'ensure_ssl_dir')
@patch.object(hooks, 'is_ssl_cert_master')
@patch.object(hooks, 'send_ssl_sync_request')
@patch.object(hooks, 'peer_units')
@patch.object(hooks, 'admin_relation_changed')
@patch.object(hooks, 'cluster_joined')
@patch.object(unison, 'ensure_user')
@patch.object(unison, 'get_homedir')
@patch.object(hooks, 'CONFIGS')
@patch.object(hooks, 'identity_changed')
@patch.object(hooks, 'configure_https')
def test_config_changed_no_upgrade_leader(self, configure_https,
identity_changed,
configs, get_homedir,
ensure_user,
mock_cluster_joined,
admin_relation_changed,
mock_peer_units,
mock_send_ssl_sync_request,
mock_is_ssl_cert_master,
mock_ensure_ssl_dir,
mock_ensure_pki_cert_paths,
mock_ensure_permissions,
mock_ensure_pki_dir_permissions,
mock_ensure_ssl_dirs,
mock_ensure_ssl_cert_master,
mock_log, git_requested,
mock_is_db_initialised,
mock_run_in_apache,
update,
mock_update_domains):
def fake_relation_ids(relation):
rids = {'cluster': ['cluster:1'],
'identity-service': ['identity-service:0']}
return rids.get(relation, [])
self.os_release.return_value = 'mitaka'
self.relation_ids.side_effect = fake_relation_ids
mock_run_in_apache.return_value = False
git_requested.return_value = False
mock_is_ssl_cert_master.return_value = True
mock_is_db_initialised.return_value = True
self.is_db_ready.return_value = True
self.openstack_upgrade_available.return_value = False
self.is_elected_leader.return_value = True
# avoid having to mock syncer
mock_ensure_ssl_cert_master.return_value = False
mock_peer_units.return_value = []
self.related_units.return_value = ['unit/0']
hooks.config_changed()
ensure_user.assert_called_with(user=self.ssh_user, group='keystone')
get_homedir.assert_called_with(self.ssh_user)
self.save_script_rc.assert_called_with()
configure_https.assert_called_with()
self.assertTrue(configs.write_all.called)
self.open_port.assert_called_with(5000)
self.assertTrue(mock_cluster_joined.called)
self.assertTrue(update.called)
self.assertTrue(mock_update_domains.called)
@patch.object(hooks, 'update_all_domain_backends')
@patch.object(hooks, 'update_all_identity_relation_units')
@patch.object(hooks, 'run_in_apache')
@patch.object(hooks, 'git_install_requested')
@patch('keystone_utils.log')
@patch('keystone_utils.ensure_ssl_cert_master')
@patch('keystone_utils.ensure_ssl_dirs')
@patch.object(hooks, 'ensure_permissions')
@patch.object(hooks, 'ensure_pki_cert_paths')
@patch.object(hooks, 'ensure_pki_dir_permissions')
@patch.object(hooks, 'ensure_ssl_dir')
@patch.object(hooks, 'peer_units')
@patch.object(hooks, 'is_ssl_cert_master')
@patch.object(hooks, 'cluster_joined')
@patch.object(unison, 'ensure_user')
@patch.object(unison, 'get_homedir')
@patch.object(hooks, 'CONFIGS')
@patch.object(hooks, 'identity_changed')
@patch.object(hooks, 'configure_https')
def test_config_changed_no_upgrade_not_leader(self, configure_https,
identity_changed,
configs, get_homedir,
ensure_user,
mock_cluster_joined,
mock_is_ssl_cert_master,
mock_peer_units,
mock_ensure_ssl_dir,
mock_ensure_permissions,
mock_ensure_pki_cert_paths,
mock_ensure_pki_permissions,
ensure_ssl_dirs,
mock_ensure_ssl_cert_master,
mock_log, git_requested,
mock_run_in_apache, update,
mock_update_domains):
def fake_relation_ids(relation):
rids = {}
return rids.get(relation, [])
self.os_release.return_value = 'mitaka'
self.relation_ids.side_effect = fake_relation_ids
mock_run_in_apache.return_value = False
git_requested.return_value = False
mock_is_ssl_cert_master.return_value = True
mock_peer_units.return_value = []
self.openstack_upgrade_available.return_value = False
self.is_elected_leader.return_value = False
mock_ensure_ssl_cert_master.return_value = False
hooks.config_changed()
ensure_user.assert_called_with(user=self.ssh_user, group='keystone')
get_homedir.assert_called_with(self.ssh_user)
self.assertFalse(mock_cluster_joined.called)
self.save_script_rc.assert_called_with()
configure_https.assert_called_with()
self.assertTrue(configs.write_all.called)
self.assertFalse(self.migrate_database.called)
self.assertTrue(update.called)
self.assertTrue(mock_update_domains.called)
@patch.object(hooks, 'update_all_domain_backends')
@patch.object(hooks, 'update_all_identity_relation_units')
@patch.object(hooks, 'run_in_apache')
@patch.object(hooks, 'is_db_initialised')
@patch.object(hooks, 'git_install_requested')
@patch('keystone_utils.log')
@patch('keystone_utils.ensure_ssl_cert_master')
@patch('keystone_utils.ensure_ssl_dirs')
@patch.object(hooks, 'ensure_permissions')
@patch.object(hooks, 'ensure_pki_cert_paths')
@patch.object(hooks, 'ensure_pki_dir_permissions')
@patch.object(hooks, 'ensure_ssl_dir')
@patch.object(hooks, 'is_ssl_cert_master')
@patch.object(hooks, 'send_ssl_sync_request')
@patch.object(hooks, 'peer_units')
@patch.object(hooks, 'admin_relation_changed')
@patch.object(hooks, 'cluster_joined')
@patch.object(unison, 'ensure_user')
@patch.object(unison, 'get_homedir')
@patch.object(hooks, 'CONFIGS')
@patch.object(hooks, 'identity_changed')
@patch.object(hooks, 'configure_https')
def test_config_changed_with_openstack_upgrade(self, configure_https,
identity_changed,
configs, get_homedir,
ensure_user, cluster_joined,
admin_relation_changed,
mock_peer_units,
mock_send_ssl_sync_request,
mock_is_ssl_cert_master,
mock_ensure_ssl_dir,
mock_ensure_permissions,
mock_ensure_pki_cert_paths,
mock_ensure_pki_permissions,
mock_ensure_ssl_dirs,
mock_ensure_ssl_cert_master,
mock_log, git_requested,
mock_is_db_initialised,
mock_run_in_apache,
update,
mock_update_domains):
def fake_relation_ids(relation):
rids = {'identity-service': ['identity-service:0']}
return rids.get(relation, [])
self.os_release.return_value = 'mitaka'
self.relation_ids.side_effect = fake_relation_ids
mock_run_in_apache.return_value = False
git_requested.return_value = False
mock_is_ssl_cert_master.return_value = True
self.is_db_ready.return_value = True
mock_is_db_initialised.return_value = True
self.openstack_upgrade_available.return_value = True
self.is_elected_leader.return_value = True
# avoid having to mock syncer
mock_ensure_ssl_cert_master.return_value = False
mock_peer_units.return_value = []
self.related_units.return_value = ['unit/0']
hooks.config_changed()
ensure_user.assert_called_with(user=self.ssh_user, group='keystone')
get_homedir.assert_called_with(self.ssh_user)
self.assertTrue(self.do_openstack_upgrade_reexec.called)
self.save_script_rc.assert_called_with()
configure_https.assert_called_with()
self.assertTrue(configs.write_all.called)
self.assertTrue(update.called)
self.assertTrue(mock_update_domains.called)
@patch.object(hooks, 'update_all_domain_backends')
@patch.object(hooks, 'update_all_identity_relation_units')
@patch.object(hooks, 'run_in_apache')
@patch.object(hooks, 'initialise_pki')
@patch.object(hooks, 'git_install_requested')
@patch.object(hooks, 'config_value_changed')
@patch('keystone_utils.log')
@patch('keystone_utils.ensure_ssl_cert_master')
@patch.object(hooks, 'ensure_ssl_dir')
@patch.object(hooks, 'send_ssl_sync_request')
@patch.object(hooks, 'is_db_initialised')
@patch.object(hooks, 'is_db_ready')
@patch.object(hooks, 'peer_units')
@patch.object(hooks, 'admin_relation_changed')
@patch.object(hooks, 'cluster_joined')
@patch.object(unison, 'ensure_user')
@patch.object(unison, 'get_homedir')
@patch.object(hooks, 'CONFIGS')
@patch.object(hooks, 'identity_changed')
@patch.object(hooks, 'configure_https')
def test_config_changed_git_updated(self, configure_https,
identity_changed,
configs, get_homedir, ensure_user,
cluster_joined, admin_relation_changed,
mock_peer_units,
mock_is_db_ready,
mock_is_db_initialised,
mock_send_ssl_sync_request,
mock_ensure_ssl_dir,
mock_ensure_ssl_cert_master,
mock_log, config_val_changed,
git_requested,
mock_initialise_pki,
mock_run_in_apache,
update,
mock_update_domains):
mock_run_in_apache.return_value = False
git_requested.return_value = True
mock_ensure_ssl_cert_master.return_value = False
self.openstack_upgrade_available.return_value = False
self.is_elected_leader.return_value = True
mock_peer_units.return_value = []
self.relation_ids.return_value = ['identity-service:0']
self.related_units.return_value = ['unit/0']
repo = 'cloud:trusty-juno'
openstack_origin_git = {
'repositories': [
{'name': 'requirements',
'repository': 'git://git.openstack.org/openstack/requirements', # noqa
'branch': 'stable/juno'},
{'name': 'keystone',
'repository': 'git://git.openstack.org/openstack/keystone',
'branch': 'stable/juno'}
],
'directory': '/mnt/openstack-git',
}
projects_yaml = yaml.dump(openstack_origin_git)
self.test_config.set('openstack-origin', repo)
self.test_config.set('openstack-origin-git', projects_yaml)
hooks.config_changed()
self.git_install.assert_called_with(projects_yaml)
self.assertFalse(self.openstack_upgrade_available.called)
self.assertFalse(self.do_openstack_upgrade_reexec.called)
self.assertTrue(update.called)
self.assertTrue(mock_update_domains.called)
@patch.object(hooks, 'run_in_apache')
@patch.object(hooks, 'initialise_pki')
@patch.object(hooks, 'is_db_initialised')
@patch.object(hooks, 'git_install_requested')
@patch.object(hooks, 'config_value_changed')
@patch.object(hooks, 'ensure_ssl_dir')
@patch.object(hooks, 'configure_https')
@patch.object(hooks, 'is_ssl_cert_master')
@patch.object(hooks, 'peer_units')
@patch.object(unison, 'get_homedir')
@patch.object(unison, 'ensure_user')
@patch('keystone_utils.ensure_ssl_cert_master')
def test_config_changed_with_openstack_upgrade_action(self,
ensure_ssl_cert,
ensure_user,
get_home,
peer_units, is_ssl,
config_https,
ensure_ssl_dir,
config_value_changed,
git_requested,
mock_db_init,
mock_initialise_pki,
mock_run_in_apache):
mock_run_in_apache.return_value = False
ensure_ssl_cert.return_value = False
peer_units.return_value = []
git_requested.return_value = False
self.openstack_upgrade_available.return_value = True
self.test_config.set('action-managed-upgrade', True)
hooks.config_changed()
self.assertFalse(self.do_openstack_upgrade_reexec.called)
@patch.object(hooks, 'is_db_initialised')
@patch('keystone_utils.log')
@patch('keystone_utils.ensure_ssl_cert_master')
@patch.object(hooks, 'hashlib')
@patch.object(hooks, 'send_notifications')
def test_identity_changed_leader(self, mock_send_notifications,
mock_hashlib, mock_ensure_ssl_cert_master,
mock_log, mock_is_db_initialised):
self.expect_ha.return_value = False
mock_is_db_initialised.return_value = True
self.is_db_ready.return_value = True
self.is_service_present.return_value = True
mock_ensure_ssl_cert_master.return_value = False
hooks.identity_changed(
relation_id='identity-service:0',
remote_unit='unit/0')
self.add_service_to_keystone.assert_called_with(
'identity-service:0',
'unit/0')
self.delete_service_entry.assert_called_with(
'quantum',
'network')
@patch.object(hooks, 'is_db_initialised')
@patch('keystone_utils.log')
@patch('keystone_utils.ensure_ssl_cert_master')
@patch.object(hooks, 'hashlib')
@patch.object(hooks, 'send_notifications')
def test_identity_changed_leader_no_neutron(self, mock_send_notifications,
mock_hashlib,
mock_ensure_ssl_cert_master,
mock_log,
mock_is_db_initialised):
self.expect_ha.return_value = False
mock_is_db_initialised.return_value = True
self.is_db_ready.return_value = True
self.is_service_present.return_value = False
mock_ensure_ssl_cert_master.return_value = False
hooks.identity_changed(
relation_id='identity-service:0',
remote_unit='unit/0')
self.assertFalse(self.delete_service_entry.called)
@patch.object(hooks, 'local_unit')
@patch('keystone_utils.log')
@patch('keystone_utils.ensure_ssl_cert_master')
def test_identity_changed_no_leader(self, mock_ensure_ssl_cert_master,
mock_log, mock_local_unit):
mock_ensure_ssl_cert_master.return_value = False
mock_local_unit.return_value = 'unit/0'
self.is_elected_leader.return_value = False
hooks.identity_changed(
relation_id='identity-service:0',
remote_unit='unit/0')
self.assertFalse(self.add_service_to_keystone.called)
self.log.assert_called_with(
'Deferring identity_changed() to service leader.')
@patch.object(hooks, 'send_ssl_sync_request')
@patch.object(hooks, 'local_unit')
@patch.object(hooks, 'peer_units')
@patch.object(unison, 'ssh_authorized_peers')
def test_cluster_joined(self, ssh_authorized_peers, mock_peer_units,
mock_local_unit, mock_send_ssl_sync_request):
mock_local_unit.return_value = 'unit/0'
mock_peer_units.return_value = ['unit/0']
hooks.cluster_joined()
ssh_authorized_peers.assert_called_with(
user=self.ssh_user, group='juju_keystone',
peer_interface='cluster', ensure_local_user=True)
self.assertTrue(mock_send_ssl_sync_request.called)
mock_send_ssl_sync_request.reset_mock()
hooks.cluster_joined(rid='foo:1', ssl_sync_request=True)
self.assertTrue(mock_send_ssl_sync_request.called)
mock_send_ssl_sync_request.reset_mock()
hooks.cluster_joined(rid='foo:1', ssl_sync_request=False)
self.assertFalse(mock_send_ssl_sync_request.called)
@patch.object(hooks, 'initialise_pki')
@patch.object(hooks, 'update_all_identity_relation_units')
@patch.object(hooks, 'get_ssl_sync_request_units')
@patch.object(hooks, 'is_ssl_cert_master')
@patch.object(hooks, 'peer_units')
@patch('keystone_utils.relation_ids')
@patch('keystone_utils.config')
@patch('keystone_utils.log')
@patch('keystone_utils.ensure_ssl_cert_master')
@patch('keystone_utils.synchronize_ca')
@patch.object(hooks, 'check_peer_actions')
@patch.object(unison, 'ssh_authorized_peers')
@patch.object(hooks, 'CONFIGS')
def test_cluster_changed(self, configs, ssh_authorized_peers,
check_peer_actions, mock_synchronize_ca,
mock_ensure_ssl_cert_master,
mock_log, mock_config, mock_relation_ids,
mock_peer_units,
mock_is_ssl_cert_master,
mock_get_ssl_sync_request_units,
mock_update_all_identity_relation_units,
mock_initialise_pki):
relation_settings = {'foo_passwd': '123',
'identity-service:16_foo': 'bar'}
mock_is_ssl_cert_master.return_value = False
mock_peer_units.return_value = ['unit/0']
mock_ensure_ssl_cert_master.return_value = False
mock_relation_ids.return_value = []
self.is_elected_leader.return_value = False
def fake_rel_get(attribute=None, *args, **kwargs):
if not attribute:
return relation_settings
return relation_settings.get(attribute)
self.relation_get.side_effect = fake_rel_get
mock_config.return_value = None
hooks.cluster_changed()
whitelist = ['_passwd', 'identity-service:', 'ssl-cert-master',
'db-initialised', 'ssl-cert-available-updates']
self.peer_echo.assert_called_with(force=True, includes=whitelist)
ssh_authorized_peers.assert_called_with(
user=self.ssh_user, group='juju_keystone',
peer_interface='cluster', ensure_local_user=True)
self.assertFalse(mock_synchronize_ca.called)
self.assertTrue(configs.write_all.called)
@patch.object(hooks.CONFIGS, 'write')
def test_leader_elected(self, mock_write):
hooks.leader_elected()
mock_write.assert_has_calls([call(utils.TOKEN_FLUSH_CRON_FILE)])
@patch.object(hooks, 'update_all_identity_relation_units')
@patch.object(hooks.CONFIGS, 'write')
def test_leader_settings_changed(self, mock_write, update):
self.relation_ids.return_value = ['identity:1']
self.related_units.return_value = ['keystone/1']
hooks.leader_settings_changed()
mock_write.assert_has_calls([call(utils.TOKEN_FLUSH_CRON_FILE)])
self.assertTrue(update.called)
def test_ha_joined(self):
self.get_hacluster_config.return_value = {
'vip': '10.10.10.10',
'ha-bindiface': 'em0',
'ha-mcastport': '8080'
}
self.get_iface_for_address.return_value = 'em1'
self.get_netmask_for_address.return_value = '255.255.255.0'
hooks.ha_joined()
args = {
'relation_id': None,
'corosync_bindiface': 'em0',
'corosync_mcastport': '8080',
'init_services': {'res_ks_haproxy': 'haproxy'},
'resources': {'res_ks_em1_vip': 'ocf:heartbeat:IPaddr2',
'res_ks_haproxy': 'lsb:haproxy'},
'resource_params': {
'res_ks_em1_vip': 'params ip="10.10.10.10"'
' cidr_netmask="255.255.255.0" nic="em1"',
'res_ks_haproxy': 'op monitor interval="5s"'},
'clones': {'cl_ks_haproxy': 'res_ks_haproxy'}
}
self.relation_set.assert_called_with(**args)
def test_ha_joined_duplicate_vip_key(self):
self.get_hacluster_config.return_value = {
'vip': '10.10.10.10 10.10.10.10',
'ha-bindiface': 'em0',
'ha-mcastport': '8080'
}
self.get_iface_for_address.return_value = 'em1'
self.get_netmask_for_address.return_value = '255.255.255.0'
hooks.ha_joined()
args = {
'relation_id': None,
'corosync_bindiface': 'em0',
'corosync_mcastport': '8080',
'init_services': {'res_ks_haproxy': 'haproxy'},
'resources': {'res_ks_em1_vip': 'ocf:heartbeat:IPaddr2',
'res_ks_haproxy': 'lsb:haproxy'},
'resource_params': {
'res_ks_em1_vip': 'params ip="10.10.10.10"'
' cidr_netmask="255.255.255.0" nic="em1"',
'res_ks_haproxy': 'op monitor interval="5s"'},
'clones': {'cl_ks_haproxy': 'res_ks_haproxy'}
}
self.relation_set.assert_called_with(**args)
def test_ha_joined_dual_stack_vips(self):
self.get_hacluster_config.return_value = {
'vip': '10.10.10.10 2001:db8::abc',
'ha-bindiface': 'em0',
'ha-mcastport': '8080'
}
self.get_iface_for_address.return_value = 'em1'
self.get_netmask_for_address.return_value = '255.255.255.0'
hooks.ha_joined()
args = {
'relation_id': None,
'corosync_bindiface': 'em0',
'corosync_mcastport': '8080',
'init_services': {'res_ks_haproxy': 'haproxy'},
'resources': {'res_ks_em1_vip': 'ocf:heartbeat:IPaddr2',
'res_ks_em1_vip_ipv6addr': 'ocf:heartbeat:IPv6addr',
'res_ks_haproxy': 'lsb:haproxy'},
'resource_params': {
'res_ks_em1_vip': 'params ip="10.10.10.10"'
' cidr_netmask="255.255.255.0" nic="em1"',
'res_ks_em1_vip_ipv6addr': 'params ipv6addr="2001:db8::abc"'
' cidr_netmask="255.255.255.0" nic="em1"',
'res_ks_haproxy': 'op monitor interval="5s"'},
'clones': {'cl_ks_haproxy': 'res_ks_haproxy'}
}
self.relation_set.assert_called_with(**args)
def test_ha_joined_no_bound_ip(self):
self.get_hacluster_config.return_value = {
'vip': '10.10.10.10',
'ha-bindiface': 'em0',
'ha-mcastport': '8080'
}
self.test_config.set('vip_iface', 'eth120')
self.test_config.set('vip_cidr', '21')
self.get_iface_for_address.return_value = None
self.get_netmask_for_address.return_value = None
hooks.ha_joined()
args = {
'relation_id': None,
'corosync_bindiface': 'em0',
'corosync_mcastport': '8080',
'init_services': {'res_ks_haproxy': 'haproxy'},
'resources': {'res_ks_eth120_vip': 'ocf:heartbeat:IPaddr2',
'res_ks_haproxy': 'lsb:haproxy'},
'resource_params': {
'res_ks_eth120_vip': 'params ip="10.10.10.10"'
' cidr_netmask="21" nic="eth120"',
'res_ks_haproxy': 'op monitor interval="5s"'},
'clones': {'cl_ks_haproxy': 'res_ks_haproxy'}
}
self.relation_set.assert_called_with(**args)
def test_ha_joined_with_ipv6(self):
self.test_config.set('prefer-ipv6', True)
self.get_hacluster_config.return_value = {
'vip': '2001:db8:1::1',
'ha-bindiface': 'em0',
'ha-mcastport': '8080'
}
self.get_iface_for_address.return_value = 'em1'
self.get_netmask_for_address.return_value = '64'
hooks.ha_joined()
args = {
'relation_id': None,
'corosync_bindiface': 'em0',
'corosync_mcastport': '8080',
'init_services': {'res_ks_haproxy': 'haproxy'},
'resources': {'res_ks_em1_vip': 'ocf:heartbeat:IPv6addr',
'res_ks_haproxy': 'lsb:haproxy'},
'resource_params': {
'res_ks_em1_vip': 'params ipv6addr="2001:db8:1::1"'
' cidr_netmask="64" nic="em1"',
'res_ks_haproxy': 'op monitor interval="5s"'},
'clones': {'cl_ks_haproxy': 'res_ks_haproxy'}
}
self.relation_set.assert_called_with(**args)
def test_ha_joined_dns_ha(self):
def _fake_update(resources, resource_params, relation_id=None):
resources.update({'res_keystone_public_hostname': 'ocf:maas:dns'})
resource_params.update({'res_keystone_public_hostname':
'params fqdn="keystone.maas" '
'ip_address="10.0.0.1"'})
self.test_config.set('dns-ha', True)
self.get_hacluster_config.return_value = {
'vip': None,
'ha-bindiface': 'em0',
'ha-mcastport': '8080',
'os-admin-hostname': None,
'os-internal-hostname': None,
'os-public-hostname': 'keystone.maas',
}
args = {
'relation_id': None,
'corosync_bindiface': 'em0',
'corosync_mcastport': '8080',
'init_services': {'res_ks_haproxy': 'haproxy'},
'resources': {'res_keystone_public_hostname': 'ocf:maas:dns',
'res_ks_haproxy': 'lsb:haproxy'},
'resource_params': {
'res_keystone_public_hostname': 'params fqdn="keystone.maas" '
'ip_address="10.0.0.1"',
'res_ks_haproxy': 'op monitor interval="5s"'},
'clones': {'cl_ks_haproxy': 'res_ks_haproxy'}
}
self.update_dns_ha_resource_params.side_effect = _fake_update
hooks.ha_joined()
self.assertTrue(self.update_dns_ha_resource_params.called)
self.relation_set.assert_called_with(**args)
@patch('keystone_utils.log')
@patch('keystone_utils.ensure_ssl_cert_master')
@patch('keystone_utils.synchronize_ca')
@patch.object(hooks, 'CONFIGS')
def test_ha_relation_changed_not_clustered_not_leader(self, configs,
mock_synchronize_ca,
mock_is_master,
mock_log):
mock_is_master.return_value = False
self.relation_get.return_value = False
self.is_elected_leader.return_value = False
hooks.ha_changed()
self.assertTrue(configs.write_all.called)
self.assertFalse(mock_synchronize_ca.called)
@patch.object(hooks, 'is_ssl_cert_master')
@patch.object(hooks, 'update_all_identity_relation_units_force_sync')
@patch.object(hooks, 'is_db_initialised')
@patch('keystone_utils.log')
@patch('keystone_utils.ensure_ssl_cert_master')
@patch.object(hooks, 'identity_changed')
@patch.object(hooks, 'CONFIGS')
def test_ha_relation_changed_clustered_leader(self, configs,
identity_changed,
mock_ensure_ssl_cert_master,
mock_log,
mock_is_db_initialised,
update, cert_master):
mock_is_db_initialised.return_value = True
self.is_db_ready.return_value = True
mock_ensure_ssl_cert_master.return_value = False
self.relation_get.return_value = True
self.is_elected_leader.return_value = True
self.relation_ids.return_value = ['identity-service:0']
self.related_units.return_value = ['unit/0']
cert_master.return_value = True
hooks.ha_changed()
self.assertTrue(configs.write_all.called)
self.assertTrue(update.called)
@patch('keystone_utils.log')
@patch('keystone_utils.ensure_ssl_cert_master')
@patch.object(hooks, 'CONFIGS')
def test_configure_https_enable(self, configs, mock_ensure_ssl_cert_master,
mock_log):
mock_ensure_ssl_cert_master.return_value = False
configs.complete_contexts = MagicMock()
configs.complete_contexts.return_value = ['https']
configs.write = MagicMock()
hooks.configure_https()
self.assertTrue(configs.write_all.called)
cmd = ['a2ensite', 'openstack_https_frontend']
self.check_call.assert_called_with(cmd)
@patch('keystone_utils.log')
@patch('keystone_utils.ensure_ssl_cert_master')
@patch.object(hooks, 'CONFIGS')
def test_configure_https_disable(self, configs,
mock_ensure_ssl_cert_master,
mock_log):
mock_ensure_ssl_cert_master.return_value = False
configs.complete_contexts = MagicMock()
configs.complete_contexts.return_value = ['']
configs.write = MagicMock()
hooks.configure_https()
self.assertTrue(configs.write_all.called)
cmd = ['a2dissite', 'openstack_https_frontend']
self.check_call.assert_called_with(cmd)
@patch.object(hooks, 'update_all_identity_relation_units')
@patch.object(utils, 'os_release')
@patch.object(utils, 'git_install_requested')
@patch.object(hooks, 'is_db_ready')
@patch.object(hooks, 'is_db_initialised')
@patch('keystone_utils.log')
@patch('keystone_utils.relation_ids')
@patch('keystone_utils.is_elected_leader')
@patch('keystone_utils.ensure_ssl_cert_master')
@patch('keystone_utils.update_hash_from_path')
@patch('keystone_utils.synchronize_ca')
@patch.object(unison, 'ssh_authorized_peers')
def test_upgrade_charm_leader(self, ssh_authorized_peers,
mock_synchronize_ca,
mock_update_hash_from_path,
mock_ensure_ssl_cert_master,
mock_is_elected_leader,
mock_relation_ids,
mock_log,
mock_is_db_initialised,
mock_is_db_ready,
git_requested,
os_release,
update):
os_release.return_value = 'havana'
mock_is_db_initialised.return_value = True
mock_is_db_ready.return_value = True
mock_is_elected_leader.return_value = False
mock_relation_ids.return_value = []
mock_ensure_ssl_cert_master.return_value = True
# Ensure always returns diff
mock_update_hash_from_path.side_effect = \
lambda hash, *args, **kwargs: hash.update(str(uuid.uuid4()))
self.is_elected_leader.return_value = True
self.filter_installed_packages.return_value = []
git_requested.return_value = False
hooks.upgrade_charm()
self.assertTrue(self.apt_install.called)
ssh_authorized_peers.assert_called_with(
user=self.ssh_user, group='juju_keystone',
peer_interface='cluster', ensure_local_user=True)
self.assertTrue(mock_synchronize_ca.called)
self.assertTrue(update.called)
@patch.object(hooks, 'update_all_identity_relation_units')
@patch.object(hooks, 'is_db_initialised')
def test_leader_init_db_if_ready(self, is_db_initialized,
update):
""" Verify leader initilaizes db """
self.is_elected_leader.return_value = True
is_db_initialized.return_value = False
self.is_db_ready.return_value = True
hooks.leader_init_db_if_ready()
self.is_db_ready.assert_called_with(use_current_context=False)
self.migrate_database.assert_called_with()
update.assert_called_with(check_db_ready=False)
@patch.object(hooks, 'update_all_identity_relation_units')
def test_leader_init_db_not_leader(self, update):
""" Verify non-leader does not initilaize db """
self.is_elected_leader.return_value = False
hooks.leader_init_db_if_ready()
self.is_elected_leader.assert_called_with('grp_ks_vips')
self.log.assert_called_with("Not leader - skipping db init",
level='DEBUG')
self.assertFalse(self.migrate_database.called)
self.assertFalse(update.called)
@patch.object(hooks, 'update_all_identity_relation_units')
@patch.object(hooks, 'is_db_initialised')
def test_leader_init_db_not_initilaized(self, is_db_initialized, update):
""" Verify leader does not initilaize db when already initialized """
self.is_elected_leader.return_value = True
is_db_initialized.return_value = True
hooks.leader_init_db_if_ready()
self.log.assert_called_with('Database already initialised - skipping '
'db init', level='DEBUG')
self.assertFalse(self.migrate_database.called)
self.assertTrue(update.called)
@patch.object(hooks, 'update_all_identity_relation_units')
@patch.object(hooks, 'is_db_initialised')
def test_leader_init_db_not_ready(self, is_db_initialized, update):
""" Verify leader does not initilaize db when db not ready """
self.is_elected_leader.return_value = True
is_db_initialized.return_value = False
self.is_db_ready.return_value = False
hooks.leader_init_db_if_ready()
self.is_db_ready.assert_called_with(use_current_context=False)
self.log.assert_called_with('Allowed_units list provided and this '
'unit not present', level='INFO')
self.assertFalse(self.migrate_database.called)
self.assertFalse(update.called)
@patch.object(hooks, 'admin_relation_changed')
@patch.object(hooks, 'identity_credentials_changed')
@patch.object(hooks, 'identity_changed')
@patch.object(hooks, 'is_db_initialised')
@patch.object(hooks, 'CONFIGS')
def test_update_all_identity_relation_units(self, configs,
is_db_initialized,
identity_changed,
identity_credentials_changed,
admin_relation_changed):
""" Verify all identity relations are updated """
is_db_initialized.return_value = True
self.relation_ids.return_value = ['identity-relation:0']
self.related_units.return_value = ['unit/0']
log_calls = [call('Firing identity_changed hook for all related '
'services.'),
call('Firing admin_relation_changed hook for all related '
'services.'),
call('Firing identity_credentials_changed hook for all '
'related services.')]
hooks.update_all_identity_relation_units(check_db_ready=False)
self.assertTrue(configs.write_all.called)
identity_changed.assert_called_with(
relation_id='identity-relation:0',
remote_unit='unit/0')
identity_credentials_changed.assert_called_with(
relation_id='identity-relation:0',
remote_unit='unit/0')
admin_relation_changed.assert_called_with('identity-relation:0')
self.log.assert_has_calls(log_calls, any_order=True)
@patch.object(hooks, 'CONFIGS')
def test_update_all_db_not_ready(self, configs):
""" Verify update identity relations when DB is not ready """
self.is_db_ready.return_value = False
hooks.update_all_identity_relation_units(check_db_ready=True)
self.assertTrue(configs.write_all.called)
self.assertTrue(self.is_db_ready.called)
self.log.assert_called_with('Allowed_units list provided and this '
'unit not present', level='INFO')
self.assertFalse(self.relation_ids.called)
@patch.object(hooks, 'is_db_initialised')
@patch.object(hooks, 'CONFIGS')
def test_update_all_db_not_initializd(self, configs, is_db_initialized):
""" Verify update identity relations when DB is not initialized """
is_db_initialized.return_value = False
hooks.update_all_identity_relation_units(check_db_ready=False)
self.assertTrue(configs.write_all.called)
self.assertFalse(self.is_db_ready.called)
self.log.assert_called_with('Database not yet initialised - '
'deferring identity-relation updates',
level='INFO')
self.assertFalse(self.relation_ids.called)
@patch.object(hooks, 'is_db_initialised')
@patch.object(hooks, 'CONFIGS')
def test_update_all_leader(self, configs, is_db_initialized):
""" Verify update identity relations when the leader"""
self.is_elected_leader.return_value = True
is_db_initialized.return_value = True
hooks.update_all_identity_relation_units(check_db_ready=False)
self.assertTrue(configs.write_all.called)
self.assertTrue(self.ensure_initial_admin.called)
# Still updates relations
self.assertTrue(self.relation_ids.called)
@patch.object(hooks, 'is_db_initialised')
@patch.object(hooks, 'CONFIGS')
def test_update_all_not_leader(self, configs, is_db_initialized):
""" Verify update identity relations when not the leader"""
self.is_elected_leader.return_value = False
is_db_initialized.return_value = True
hooks.update_all_identity_relation_units(check_db_ready=False)
self.assertTrue(configs.write_all.called)
self.assertFalse(self.ensure_initial_admin.called)
# Still updates relations
self.assertTrue(self.relation_ids.called)
@patch.object(hooks, 'update_all_identity_relation_units')
@patch.object(utils, 'os_release')
@patch.object(utils, 'git_install_requested')
@patch('keystone_utils.log')
@patch('keystone_utils.relation_ids')
@patch('keystone_utils.ensure_ssl_cert_master')
@patch('keystone_utils.update_hash_from_path')
@patch.object(unison, 'ssh_authorized_peers')
def test_upgrade_charm_not_leader(self, ssh_authorized_peers,
mock_update_hash_from_path,
mock_ensure_ssl_cert_master,
mock_relation_ids,
mock_log, git_requested,
os_release, update):
os_release.return_value = 'havana'
mock_relation_ids.return_value = []
mock_ensure_ssl_cert_master.return_value = False
# Ensure always returns diff
mock_update_hash_from_path.side_effect = \
lambda hash, *args, **kwargs: hash.update(str(uuid.uuid4()))
self.is_elected_leader.return_value = False
self.filter_installed_packages.return_value = []
git_requested.return_value = False
hooks.upgrade_charm()
self.assertTrue(self.apt_install.called)
ssh_authorized_peers.assert_called_with(
user=self.ssh_user, group='juju_keystone',
peer_interface='cluster', ensure_local_user=True)
self.assertTrue(self.log.called)
self.assertFalse(update.called)
def test_domain_backend_changed_v2(self):
self.get_api_version.return_value = 2
hooks.domain_backend_changed()
self.assertTrue(self.get_api_version.called)
self.assertFalse(self.relation_get.called)
def test_domain_backend_changed_incomplete(self):
self.get_api_version.return_value = 3
self.relation_get.return_value = None
hooks.domain_backend_changed()
self.assertTrue(self.get_api_version.called)
self.relation_get.assert_called_with(
attribute='domain-name',
unit=None,
rid=None
)
self.assertFalse(self.is_leader.called)
@patch.object(hooks, 'is_unit_paused_set')
@patch.object(hooks, 'is_db_initialised')
def test_domain_backend_changed_complete(self,
is_db_initialised,
is_unit_paused_set):
self.get_api_version.return_value = 3
self.relation_get.side_effect = ['mydomain', 'nonce2']
self.is_leader.return_value = True
self.is_db_ready.return_value = True
is_db_initialised.return_value = True
mock_kv = MagicMock()
mock_kv.get.return_value = None
self.unitdata.kv.return_value = mock_kv
is_unit_paused_set.return_value = False
self.keystone_service.return_value = 'apache2'
hooks.domain_backend_changed()
self.assertTrue(self.get_api_version.called)
self.relation_get.assert_has_calls([
call(attribute='domain-name',
unit=None,
rid=None),
call(attribute='restart-nonce',
unit=None,
rid=None),
])
self.create_or_show_domain.assert_called_with('mydomain')
self.service_restart.assert_called_with('apache2')
mock_kv.set.assert_called_with('domain-restart-nonce-mydomain',
'nonce2')
self.assertTrue(mock_kv.flush.called)
@patch.object(hooks, 'is_unit_paused_set')
@patch.object(hooks, 'is_db_initialised')
def test_domain_backend_changed_complete_follower(self,
is_db_initialised,
is_unit_paused_set):
self.get_api_version.return_value = 3
self.relation_get.side_effect = ['mydomain', 'nonce2']
self.is_leader.return_value = False
self.is_db_ready.return_value = True
is_db_initialised.return_value = True
mock_kv = MagicMock()
mock_kv.get.return_value = None
self.unitdata.kv.return_value = mock_kv
is_unit_paused_set.return_value = False
self.keystone_service.return_value = 'apache2'
hooks.domain_backend_changed()
self.assertTrue(self.get_api_version.called)
self.relation_get.assert_has_calls([
call(attribute='domain-name',
unit=None,
rid=None),
call(attribute='restart-nonce',
unit=None,
rid=None),
])
# Only lead unit will create the domain
self.assertFalse(self.create_or_show_domain.called)
self.service_restart.assert_called_with('apache2')
mock_kv.set.assert_called_with('domain-restart-nonce-mydomain',
'nonce2')
self.assertTrue(mock_kv.flush.called)