def test_waiting_for_status_completed(
mocker, node, node_fqdn, state, delay, attempts, result_attempt):
controller = mock.Mock()
timeout_calls = []
check_instances_exist_side_effects = []
check_instances_exist_calls = []
for idx in range(1, min(attempts, result_attempt) + 1):
if idx < result_attempt:
timeout_calls.append(mock.call(delay))
check_instances_exist_side_effects.append(idx != result_attempt)
check_instances_exist_calls.append(
mock.call(controller, node_fqdn, state))
mock_patch_is_nova_state = mocker.patch(
"octane.util.nova.do_nova_instances_exist",
side_effect=check_instances_exist_side_effects)
mock_sleep = mocker.patch("time.sleep")
if result_attempt > attempts:
with pytest.raises(nova.WaiterException):
nova.waiting_for_status_completed(
controller, node_fqdn, state, attempts, delay)
else:
nova.waiting_for_status_completed(
controller, node_fqdn, state, attempts, delay)
assert timeout_calls == mock_sleep.call_args_list
assert check_instances_exist_calls == \
mock_patch_is_nova_state.call_args_list
def shutoff_vms(self):
controller = env_util.get_one_controller(self.env)
node_fqdn = node_util.get_nova_node_handle(self.node)
if nova.do_nova_instances_exist(controller, node_fqdn, "ERROR"):
raise Exception(
"There are instances in ERROR state on {hostname},"
"please fix this problem and start upgrade_node "
"command again".format(hostname=node_fqdn))
for instance_id in nova.get_active_instances(controller, node_fqdn):
nova.run_nova_cmd(
["nova", "stop", instance_id], controller, output=False)
nova.waiting_for_status_completed(controller, node_fqdn, "ACTIVE")
def evacuate_host(self):
controller = env_util.get_one_controller(self.env)
enabled_computes, disabled_computes = nova.get_compute_lists(
controller)
node_fqdn = node_util.get_nova_node_handle(self.node)
if [node_fqdn] == enabled_computes:
raise Exception("You try to disable last enabled nova-compute "
"service on {hostname} in cluster. "
"This leads to disable host evacuation. "
"Fix this problem and run unpgrade-node "
"command again".format(hostname=node_fqdn))
if nova.do_nova_instances_exist(controller, node_fqdn, "ERROR"):
raise Exception(
"There are instances in ERROR state on {hostname},"
"please fix this problem and start upgrade_node "
"command again".format(hostname=node_fqdn))
if node_fqdn in disabled_computes:
LOG.warn("Node {0} already disabled".format(node_fqdn))
else:
nova.run_nova_cmd(
["nova", "service-disable", node_fqdn, "nova-compute"],
controller, False)
for instance_id in nova.get_active_instances(controller, node_fqdn):
nova.run_nova_cmd(
["nova", "live-migration", instance_id], controller, False)
nova.waiting_for_status_completed(
controller, node_fqdn, "MIGRATING")
if nova.do_nova_instances_exist(controller, node_fqdn):
raise Exception(
"There are instances on {hostname} after host-evacuation, "
"please fix this problem and start upgrade_node "
"command again".format(hostname=node_fqdn))
