Juju Charm - Neutron API
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from mock import MagicMock, patch, call
from test_utils import CharmTestCase
with patch('charmhelpers.core.hookenv.config') as config:
config.return_value = 'neutron'
import neutron_api_utils as utils
_reg = utils.register_configs
_map = utils.restart_map
utils.register_configs = MagicMock()
utils.restart_map = MagicMock()
import neutron_api_hooks as hooks
utils.register_configs = _reg
utils.restart_map = _map
TO_PATCH = [
'api_port',
'apt_update',
'apt_install',
'canonical_url',
'config',
'CONFIGS',
'configure_installation_source',
'determine_endpoints',
'determine_packages',
'determine_ports',
'do_openstack_upgrade',
'execd_preinstall',
'is_leader',
'is_relation_made',
'log',
'neutron_plugin_attribute',
'open_port',
'openstack_upgrade_available',
'relation_get',
'relation_ids',
'relation_set',
'unit_get',
]
NEUTRON_CONF_DIR = "/etc/neutron"
NEUTRON_CONF = '%s/neutron.conf' % NEUTRON_CONF_DIR
from random import randrange
class NeutronAPIHooksTests(CharmTestCase):
def setUp(self):
super(NeutronAPIHooksTests, self).setUp(hooks, TO_PATCH)
self.config.side_effect = self.test_config.get
self.relation_get.side_effect = self.test_relation.get
self.test_config.set('openstack-origin', 'distro')
self.test_config.set('neutron-plugin', 'ovs')
def _fake_relids(self, rel_name):
return [randrange(100) for _count in range(2)]
def _call_hook(self, hookname):
hooks.hooks.execute([
'hooks/{}'.format(hookname)])
def test_install_hook(self):
_pkgs = ['foo', 'bar']
_ports = [80, 81, 82]
_port_calls = [call(port) for port in _ports]
self.determine_packages.return_value = _pkgs
self.determine_ports.return_value = _ports
self._call_hook('install')
self.configure_installation_source.assert_called_with(
'distro'
)
self.apt_update.assert_called_with()
self.apt_install.assert_has_calls([
call(_pkgs, fatal=True),
])
self.open_port.assert_has_calls(_port_calls)
self.assertTrue(self.execd_preinstall.called)
def test_config_changed(self):
self.openstack_upgrade_available.return_value = True
self.relation_ids.side_effect = self._fake_relids
_n_api_rel_joined = self.patch('neutron_api_relation_joined')
_n_plugin_api_rel_joined =\
self.patch('neutron_plugin_api_relation_joined')
_amqp_rel_joined = self.patch('amqp_joined')
_id_rel_joined = self.patch('identity_joined')
self._call_hook('config-changed')
self.assertTrue(_n_api_rel_joined.called)
self.assertTrue(_n_plugin_api_rel_joined.called)
self.assertTrue(_amqp_rel_joined.called)
self.assertTrue(_id_rel_joined.called)
self.assertTrue(self.CONFIGS.write_all.called)
self.assertTrue(self.do_openstack_upgrade.called)
def test_amqp_joined(self):
self._call_hook('amqp-relation-joined')
self.relation_set.assert_called_with(
username='neutron',
vhost='openstack',
relation_id=None
)
def test_amqp_changed(self):
self.CONFIGS.complete_contexts.return_value = ['amqp']
self._call_hook('amqp-relation-changed')
self.assertTrue(self.CONFIGS.write.called_with(NEUTRON_CONF))
def test_amqp_departed(self):
self._call_hook('amqp-relation-departed')
self.assertTrue(self.CONFIGS.write.called_with(NEUTRON_CONF))
def test_db_joined(self):
self.is_relation_made.return_value = False
self.unit_get.return_value = 'myhostname'
self._call_hook('shared-db-relation-joined')
self.relation_set.assert_called_with(
username='neutron',
database='neutron',
hostname='myhostname',
)
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_db_joined(self):
self.unit_get.return_value = 'myhostname'
self.is_relation_made.return_value = False
self._call_hook('pgsql-db-relation-joined')
self.relation_set.assert_called_with(
database='neutron',
)
def test_postgresql_joined_with_db(self):
self.is_relation_made.return_value = True
with self.assertRaises(Exception) as context:
hooks.pgsql_neutron_db_joined()
self.assertEqual(context.exception.message,
'Attempting to associate a postgresql database when'
' there is already associated a mysql one')
def test_shared_db_changed(self):
self.CONFIGS.complete_contexts.return_value = ['shared-db']
self._call_hook('shared-db-relation-changed')
self.assertTrue(self.CONFIGS.write_all.called)
def test_shared_db_changed_partial_ctxt(self):
self.CONFIGS.complete_contexts.return_value = []
self._call_hook('shared-db-relation-changed')
self.assertFalse(self.CONFIGS.write_all.called)
def test_pgsql_db_changed(self):
self._call_hook('pgsql-db-relation-changed')
self.assertTrue(self.CONFIGS.write.called)
def test_amqp_broken(self):
self._call_hook('amqp-relation-broken')
self.assertTrue(self.CONFIGS.write_all.called)
def test_identity_joined(self):
_neutron_url = 'http://127.0.0.1:1234'
_endpoints = {
'quantum_service': 'quantum',
'quantum_region': 'region1',
'quantum_public_url': _neutron_url,
'quantum_admin_url': _neutron_url,
'quantum_internal_url': _neutron_url,
}
self.determine_endpoints.return_value = _endpoints
self._call_hook('identity-service-relation-joined')
self.relation_set.assert_called_with(
relation_id=None,
**_endpoints
)
def test_identity_changed_partial_ctxt(self):
self.CONFIGS.complete_contexts.return_value = []
_api_rel_joined = self.patch('neutron_api_relation_joined')
self.relation_ids.side_effect = self._fake_relids
self._call_hook('identity-service-relation-changed')
self.assertFalse(_api_rel_joined.called)
def test_identity_changed(self):
self.CONFIGS.complete_contexts.return_value = ['identity-service']
_api_rel_joined = self.patch('neutron_api_relation_joined')
self.relation_ids.side_effect = self._fake_relids
self._call_hook('identity-service-relation-changed')
self.assertTrue(self.CONFIGS.write.called_with(NEUTRON_CONF))
self.assertTrue(_api_rel_joined.called)
def test_neutron_api_relation_no_id_joined(self):
host = 'http://127.0.0.1'
port = 1234
_id_rel_joined = self.patch('identity_joined')
self.relation_ids.side_effect = self._fake_relids
self.canonical_url.return_value = host
self.api_port.return_value = port
self.is_relation_made = False
neutron_url = '%s:%s' % (host, port)
_relation_data = {
'neutron-plugin': 'ovs',
'neutron-url': neutron_url,
'neutron-security-groups': 'no',
}
self._call_hook('neutron-api-relation-joined')
self.relation_set.assert_called_with(
relation_id=None,
**_relation_data
)
self.assertTrue(_id_rel_joined.called)
self.test_config.set('neutron-security-groups', True)
self._call_hook('neutron-api-relation-joined')
_relation_data['neutron-security-groups'] = 'yes'
self.relation_set.assert_called_with(
relation_id=None,
**_relation_data
)
def test_neutron_api_relation_joined(self):
host = 'http://127.0.0.1'
port = 1234
self.canonical_url.return_value = host
self.api_port.return_value = port
self.is_relation_made = True
neutron_url = '%s:%s' % (host, port)
_relation_data = {
'neutron-plugin': 'ovs',
'neutron-url': neutron_url,
'neutron-security-groups': 'no',
}
self._call_hook('neutron-api-relation-joined')
self.relation_set.assert_called_with(
relation_id=None,
**_relation_data
)
def test_neutron_api_relation_changed(self):
self._call_hook('neutron-api-relation-changed')
self.assertTrue(self.CONFIGS.write.called_with(NEUTRON_CONF))
def test_neutron_plugin_api_relation_joined(self):
_relation_data = {
'neutron-security-groups': False,
}
self._call_hook('neutron-plugin-api-relation-joined')
self.relation_set.assert_called_with(
relation_id=None,
**_relation_data
)
def test_cluster_changed(self):
self._call_hook('cluster-relation-changed')
self.assertTrue(self.CONFIGS.write_all.called)
@patch.object(hooks, 'get_hacluster_config')
def test_ha_joined(self, _get_ha_config):
_ha_config = {
'vip': '10.0.0.1',
'vip_cidr': '24',
'vip_iface': 'eth0',
'ha-bindiface': 'eth1',
'ha-mcastport': '5405',
}
vip_params = 'params ip="%s" cidr_netmask="%s" nic="%s"' % \
(_ha_config['vip'], _ha_config['vip_cidr'],
_ha_config['vip_iface'])
_get_ha_config.return_value = _ha_config
_relation_data = {
'init_services': {'res_neutron_haproxy': 'haproxy'},
'corosync_bindiface': _ha_config['ha-bindiface'],
'corosync_mcastport': _ha_config['ha-mcastport'],
'resources': {
'res_neutron_vip': 'ocf:heartbeat:IPaddr2',
'res_neutron_haproxy': 'lsb:haproxy'
},
'resource_params': {
'res_neutron_vip': vip_params,
'res_neutron_haproxy': 'op monitor interval="5s"'
},
'clones': {'cl_nova_haproxy': 'res_neutron_haproxy'}
}
self._call_hook('ha-relation-joined')
self.relation_set.assert_called_with(
**_relation_data
)
def test_ha_changed(self):
self.test_relation.set({
'clustered': 'true',
})
self.is_leader.return_value = True
self.relation_ids.side_effect = self._fake_relids
_n_api_rel_joined = self.patch('neutron_api_relation_joined')
_id_rel_joined = self.patch('identity_joined')
self._call_hook('ha-relation-changed')
self.assertTrue(_n_api_rel_joined.called)
self.assertTrue(_id_rel_joined.called)
def test_ha_changed_not_leader(self):
self.test_relation.set({
'clustered': 'true',
})
self.is_leader.return_value = False
self.relation_ids.side_effect = self._fake_relids
_n_api_rel_joined = self.patch('neutron_api_relation_joined')
_id_rel_joined = self.patch('identity_joined')
self._call_hook('ha-relation-changed')
self.assertFalse(_n_api_rel_joined.called)
self.assertFalse(_id_rel_joined.called)
def test_ha_changed_not_clustered(self):
self.test_relation.set({
'clustered': None,
})
self.is_leader.return_value = False
self.relation_ids.side_effect = self._fake_relids
_n_api_rel_joined = self.patch('neutron_api_relation_joined')
_id_rel_joined = self.patch('identity_joined')
self._call_hook('ha-relation-changed')
self.assertFalse(_n_api_rel_joined.called)
self.assertFalse(_id_rel_joined.called)