def tearDown(cls):
"""Remove test resources."""
logging.info('Running teardown')
cache_wait = False
for alarm in cls.aodh_client.alarm.list():
if alarm['name'].startswith(cls.RESOURCE_PREFIX):
cache_wait = True
logging.info('Removing Alarm {}'.format(alarm['name']))
telemetry_utils.delete_alarm(cls.aodh_client,
alarm['name'],
cache_wait=False)
if cache_wait:
logging.info('Waiting for alarm cache to clear')
telemetry_utils.alarm_cache_wait()
def resource_cleanup(cls):
"""Remove test resources."""
logging.info('Running teardown')
for alarm in cls.aodh_client.alarm.list():
if alarm['name'].startswith(cls.RESOURCE_PREFIX):
logging.info('Removing Alarm {}'.format(alarm['name']))
telemetry_utils.delete_alarm(
cls.aodh_client,
alarm['name'],
cache_wait=False)
for server in cls.nova_client.servers.list():
if server.name.startswith(cls.RESOURCE_PREFIX):
logging.info('Removing server {}'.format(server.name))
openstack_utils.delete_resource(
cls.nova_client.servers,
server.id,
msg="server")
def test_alarm_on_power_off(self):
"""Test server alarm is triggered when server is powered off."""
server_name = '{}-server'.format(self.RESOURCE_PREFIX)
alarm_name = '{}_instance_off'.format(self.RESOURCE_PREFIX)
try:
server = self.nova_client.servers.find(name=server_name)
logging.info("Found existing server {}".format(server_name))
except novaclient.exceptions.NotFound:
logging.info("Launching new server {}".format(server_name))
server = zaza.openstack.configure.guest.launch_instance(
glance_setup.LTS_IMAGE_NAME,
vm_name=server_name)
assert server.status == 'ACTIVE', "Server {} not active".format(
server.name)
logging.info('Deleting alarm {} if it exists'.format(alarm_name))
telemetry_utils.delete_alarm(
self.aodh_client,
alarm_name,
cache_wait=True)
logging.info('Creating alarm {}'.format(alarm_name))
alarm_info = telemetry_utils.create_server_power_off_alarm(
self.aodh_client,
alarm_name,
server.id)
alarm_state = telemetry_utils.get_alarm_state(
self.aodh_client,
alarm_info['alarm_id'])
logging.info('Alarm in state {}'.format(alarm_state))
# Until data is collected alarm come up in an 'insufficient data'
# state.
self.assertEqual(alarm_state, 'insufficient data')
logging.info('Stopping server {}'.format(server.name))
server.stop()
telemetry_utils.block_until_alarm_state(
self.aodh_client,
alarm_info['alarm_id'])