Juju Charm - Ironic Conductor
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# Copyright 2020 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 mock
from charm.openstack.ironic import ironic
import reactive.ironic_handlers as handlers
import charms_openstack.test_utils as test_utils
class TestRegisteredHooks(test_utils.TestRegisteredHooks):
def test_hooks(self):
defaults = [
'charm.installed',
'config.changed',
'update-status',
'upgrade-charm',
]
hook_set = {
'when': {
'render': ('shared-db.available',
'ironic-api.available',
'identity-credentials.available',
'amqp.available',),
'request_keystone_credentials': (
'identity-credentials.connected',),
'request_amqp_access': (
'amqp.connected',),
'request_database_access': (
'shared-db.connected',),
},
'hook': {
'upgrade_charm': ('upgrade-charm',),
},
}
# test that the hooks were registered via the
# reactive.ironic_handlers
self.registered_hooks_test_helper(handlers, hook_set, defaults)
class TestIronicHandlers(test_utils.PatchHelper):
def setUp(self):
super().setUp()
self.patch_release(ironic.IronicConductorCharm.release)
self.ironic_charm = mock.MagicMock()
self.patch_object(handlers.charm, 'provide_charm_instance',
new=mock.MagicMock())
self.provide_charm_instance().__enter__.return_value = \
self.ironic_charm
self.provide_charm_instance().__exit__.return_value = None
def test_request_keystone_credentials(self):
keystone = mock.MagicMock()
handlers.request_keystone_credentials(keystone)
keystone.request_credentials.assert_called_once_with(
self.ironic_charm.name,
region=self.ironic_charm.region)
self.ironic_charm.assess_status.assert_called_once_with()
def test_render(self):
self.patch('charms.reactive.set_state', 'set_state')
self.patch_object(handlers.charm, 'optional_interfaces')
self.optional_interfaces.return_value = ('fake', 'interface', 'list')
handlers.render('arg1', 'arg2')
self.ironic_charm.render_with_interfaces.assert_called_once_with(
('fake', 'interface', 'list'))
self.optional_interfaces.assert_called_once_with(
('arg1', 'arg2'))
self.ironic_charm.configure_tls.assert_called_once_with()
self.ironic_charm.assess_status.assert_called_once_with()
self.set_state.assert_called_once_with('config.complete')
def test_request_amqp_access(self):
amqp = mock.MagicMock()
config = {
'rabbit-user': 'ironic',
'rabbit-vhost': 'openstack',
}
self.ironic_charm.get_amqp_credentials.return_value = list(
config.values())
handlers.request_amqp_access(amqp)
amqp.request_access.assert_called_once_with(
username=config['rabbit-user'],
vhost=config['rabbit-vhost'])
self.ironic_charm.assess_status.assert_called_once_with()
def test_request_database_access(self):
database = mock.MagicMock()
dbs = [
{
"database": "ironic",
"username": "ironic",
},
{
"database": "second_db",
"username": "second_user",
}
]
self.ironic_charm.get_database_setup.return_value = dbs
calls = [mock.call(**i) for i in dbs]
handlers.request_database_access(database)
database.configure.assert_has_calls(calls, any_order=True)
self.ironic_charm.assess_status.assert_called_once_with()