trove/reddwarf/instance/tasks.py
2012-05-08 15:29:27 -05:00

66 lines
1.8 KiB
Python

# Copyright 2012 OpenStack LLC.
# 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.
"""
Common instance status code used across Reddwarf API.
"""
class InstanceTask(object):
"""
Stores the different kind of tasks being performed by an instance.
"""
#TODO(tim.simpson): Figure out someway to migrate this to the TaskManager
# once that revs up.
_lookup = {}
def __init__(self, code, db_text):
self._code = int(code)
self._db_text = db_text
InstanceTask._lookup[self._code] = self
@property
def api_status(self):
return self._api_status
@property
def code(self):
return self._code
@property
def db_text(self):
return self._db_text
def __eq__(self, other):
if not isinstance(other, InstanceTask):
return False
return self._db_text == other._db_text
@classmethod
def from_code(cls, code):
if code not in cls._lookup:
return None
return cls._lookup[code]
class InstanceTasks(object):
NONE = InstanceTask(0x01, 'NONE')
DELETING = InstanceTask(0x02, 'DELETING')
REBOOTING = InstanceTask(0x03, 'REBOOTING')
RESIZING = InstanceTask(0x04, 'RESIZING')
# Dissuade further additions at run-time.
InstanceTask.__init__ = None