66 lines
2.6 KiB
Python
66 lines
2.6 KiB
Python
# Copyright 2011 Quanta Research Cambridge, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Describe follow-up actions using `PendingAction` class to verify
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that nova API calls such as create/delete are completed"""
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import logging
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import time
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class PendingAction(object):
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"""
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Initialize and describe actions to verify that a Nova API call
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is successful.
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"""
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def __init__(self, nova_manager, state, target_server, timeout=600):
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"""
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`nova_manager` : Manager object.
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`state` : externally maintained data structure about
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state of VMs or other persistent objects in
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the nova cluster
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`target_server` : server that actions were performed on
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`target_server` : time before we declare a TimeoutException
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`pargs` : positional arguments
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`kargs` : keyword arguments
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"""
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self._manager = nova_manager
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self._state = state
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self._target = target_server
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self._logger = logging.getLogger(self.__class__.__name__)
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self._start_time = time.time()
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self._timeout = timeout
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def _check_for_status(self, state_string):
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"""Check to see if the machine has transitioned states"""
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t = time.time() # for debugging
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target = self._target
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_resp, body = self._manager.servers_client.get_server(target['id'])
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if body['status'] != state_string:
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# grab the actual state as we think it is
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temp_obj = self._state.get_instances()[target['id']]
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self._logger.debug("machine %s in state %s" %
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(target['id'], temp_obj[1]))
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self._logger.debug('%s, time: %d' % (temp_obj[1], time.time() - t))
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return temp_obj[1]
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self._logger.debug('%s, time: %d' % (state_string, time.time() - t))
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return state_string
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def retry(self):
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"""Invoked by user of this class to verify completion of"""
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"""previous TestCase actions"""
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return False
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