123 lines
5.1 KiB
Python
123 lines
5.1 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import time
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from tempest import config
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from tempest import exceptions
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from tempest.openstack.common import log as logging
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CONF = config.CONF
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LOG = logging.getLogger(__name__)
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# NOTE(afazekas): This function needs to know a token and a subject.
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def wait_for_server_status(client, server_id, status, ready_wait=True,
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extra_timeout=0, raise_on_error=True):
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"""Waits for a server to reach a given status."""
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def _get_task_state(body):
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if client.service == CONF.compute.catalog_v3_type:
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task_state = body.get("os-extended-status:task_state", None)
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else:
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task_state = body.get('OS-EXT-STS:task_state', None)
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return task_state
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# NOTE(afazekas): UNKNOWN status possible on ERROR
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# or in a very early stage.
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resp, body = client.get_server(server_id)
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old_status = server_status = body['status']
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old_task_state = task_state = _get_task_state(body)
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start_time = int(time.time())
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timeout = client.build_timeout + extra_timeout
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while True:
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# NOTE(afazekas): Now the BUILD status only reached
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# between the UNKNOWN->ACTIVE transition.
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# TODO(afazekas): enumerate and validate the stable status set
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if status == 'BUILD' and server_status != 'UNKNOWN':
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return
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if server_status == status:
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if ready_wait:
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if status == 'BUILD':
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return
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# NOTE(afazekas): The instance is in "ready for action state"
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# when no task in progress
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# NOTE(afazekas): Converted to string bacuse of the XML
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# responses
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if str(task_state) == "None":
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# without state api extension 3 sec usually enough
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time.sleep(CONF.compute.ready_wait)
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return
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else:
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return
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time.sleep(client.build_interval)
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resp, body = client.get_server(server_id)
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server_status = body['status']
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task_state = _get_task_state(body)
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if (server_status != old_status) or (task_state != old_task_state):
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LOG.info('State transition "%s" ==> "%s" after %d second wait',
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'/'.join((old_status, str(old_task_state))),
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'/'.join((server_status, str(task_state))),
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time.time() - start_time)
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if (server_status == 'ERROR') and raise_on_error:
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raise exceptions.BuildErrorException(server_id=server_id)
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timed_out = int(time.time()) - start_time >= timeout
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if timed_out:
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expected_task_state = 'None' if ready_wait else 'n/a'
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message = ('Server %(server_id)s failed to reach %(status)s '
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'status and task state "%(expected_task_state)s" '
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'within the required time (%(timeout)s s).' %
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{'server_id': server_id,
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'status': status,
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'expected_task_state': expected_task_state,
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'timeout': timeout})
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message += ' Current status: %s.' % server_status
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message += ' Current task state: %s.' % task_state
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raise exceptions.TimeoutException(message)
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old_status = server_status
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old_task_state = task_state
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def wait_for_image_status(client, image_id, status):
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"""Waits for an image to reach a given status.
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The client should have a get_image(image_id) method to get the image.
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The client should also have build_interval and build_timeout attributes.
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"""
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resp, image = client.get_image(image_id)
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start = int(time.time())
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while image['status'] != status:
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time.sleep(client.build_interval)
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resp, image = client.get_image(image_id)
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if image['status'] == 'ERROR':
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raise exceptions.AddImageException(image_id=image_id)
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# check the status again to avoid a false negative where we hit
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# the timeout at the same time that the image reached the expected
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# status
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if image['status'] == status:
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return
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if int(time.time()) - start >= client.build_timeout:
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message = ('Image %(image_id)s failed to reach %(status)s '
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'status within the required time (%(timeout)s s).' %
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{'image_id': image_id,
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'status': status,
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'timeout': client.build_timeout})
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message += ' Current status: %s.' % image['status']
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raise exceptions.TimeoutException(message)
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