def test_instance_failover(self):
"""Test masakari managed guest migration."""
# Launch guest
self.assertTrue(
zaza.openstack.configure.hacluster.check_all_nodes_online(
'masakari'))
vm_name = 'zaza-test-instance-failover'
self.ensure_guest(vm_name)
# Locate hypervisor hosting guest and shut it down
current_hypervisor, unit_name = self.get_guests_compute_info(vm_name)
zaza.openstack.configure.masakari.simulate_compute_host_failure(
unit_name, model_name=self.model_name)
# Wait for instance move
logging.info('Waiting for guest to move away from {}'.format(
current_hypervisor))
# wait_for_server_migration will throw an exception if migration fails
openstack_utils.wait_for_server_migration(self.nova_client, vm_name,
current_hypervisor)
# Bring things back
zaza.openstack.configure.masakari.simulate_compute_host_recovery(
unit_name, model_name=self.model_name)
openstack_utils.enable_all_nova_services(self.nova_client)
zaza.openstack.configure.masakari.enable_hosts()
def tearDown(cls):
"""Bring hypervisors and services back up."""
logging.info('Running teardown')
for unit in zaza.model.get_units('nova-compute',
model_name=cls.model_name):
zaza.openstack.configure.masakari.simulate_compute_host_recovery(
unit.entity_id, model_name=cls.model_name)
openstack_utils.enable_all_nova_services(cls.nova_client)
zaza.openstack.configure.masakari.enable_hosts()
def test_enable_all_nova_services(self):
novaclient = mock.MagicMock()
svc_mock1 = mock.MagicMock()
svc_mock1.status = 'disabled'
svc_mock1.binary = 'nova-compute'
svc_mock1.host = 'juju-bb659c-zaza-ad7c662d7f1d-13'
svc_mock2 = mock.MagicMock()
svc_mock2.status = 'enabled'
svc_mock2.binary = 'nova-compute'
svc_mock2.host = 'juju-bb659c-zaza-ad7c662d7f1d-14'
svc_mock3 = mock.MagicMock()
svc_mock3.status = 'disabled'
svc_mock3.binary = 'nova-compute'
svc_mock3.host = 'juju-bb659c-zaza-ad7c662d7f1d-15'
novaclient.services.list.return_value = [
svc_mock1, svc_mock2, svc_mock3
]
openstack_utils.enable_all_nova_services(novaclient)
expected_calls = [
mock.call('juju-bb659c-zaza-ad7c662d7f1d-13', 'nova-compute'),
mock.call('juju-bb659c-zaza-ad7c662d7f1d-15', 'nova-compute')
]
novaclient.services.enable.assert_has_calls(expected_calls)