ironic/ironic_tempest_plugin/common/waiters.py
wangxiyuan 23013a9d44 Change misc to test_utils for tempest test
tempest.lib.common.utils.misc.find_test_caller has been moved into
the tempest.lib.common.utils.test_utils module. Calling the
find_test_caller function with its old location is deprecated in Newton.

Change-Id: If8219363aa597326b431b436c85914db5018452a
2017-02-10 10:06:14 +08:00

71 lines
2.7 KiB
Python

# All Rights Reserved.
#
# 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 time
from tempest.lib.common.utils import test_utils
from tempest.lib import exceptions as lib_exc
def wait_for_bm_node_status(client, node_id, attr, status, timeout=None,
interval=None):
"""Waits for a baremetal node attribute to reach given status.
:param client: an instance of tempest plugin BaremetalClient.
:param node_id: identifier of the node.
:param attr: node's API-visible attribute to check status of.
:param status: desired status.
:param timeout: the timeout after which the check is considered as failed.
Defaults to client.build_timeout.
:param interval: an interval between show_node calls for status check.
Defaults to client.build_interval.
The client should have a show_node(node_id) method to get the node.
"""
if timeout is None:
timeout = client.build_timeout
if interval is None:
interval = client.build_interval
if timeout < 0 or interval < 0:
raise lib_exc.InvalidConfiguration(
'timeout and interval should be >= 0 or None, current values are: '
'%(timeout)s, %(interval)s respectively.' % dict(timeout=timeout,
interval=interval)
)
start = int(time.time())
_, node = client.show_node(node_id)
while node[attr] != status:
status_curr = node[attr]
if status_curr == status:
return
if int(time.time()) - start >= timeout:
message = ('Node %(node_id)s failed to reach %(attr)s=%(status)s '
'within the required time (%(timeout)s s).' %
{'node_id': node_id,
'attr': attr,
'status': status,
'timeout': client.build_timeout})
message += ' Current state of %s: %s.' % (attr, status_curr)
caller = test_utils.find_test_caller()
if caller:
message = '(%s) %s' % (caller, message)
raise lib_exc.TimeoutException(message)
time.sleep(interval)
_, node = client.show_node(node_id)