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# Copyright 2012 OpenStack Foundation
# 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 Trove 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, action, db_text, is_error=False):
self._code = int(code)
self._action = action
self._db_text = db_text
self._is_error = is_error
InstanceTask._lookup[self._code] = self
@property
def action(self):
return self._action
@property
def code(self):
return self._code
@property
def db_text(self):
return self._db_text
@property
def is_error(self):
return self._is_error
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]
def __str__(self):
return "(%d %s %s)" % (self._code, self._action, self._db_text)
def __repr__(self):
return "InstanceTask.%s (%s)" % (self._action, self._db_text)
class InstanceTasks(object):
NONE = InstanceTask(0x01, 'NONE', 'No tasks for the instance.')
DELETING = InstanceTask(0x02, 'DELETING', 'Deleting the instance.')
REBOOTING = InstanceTask(0x03, 'REBOOTING', 'Rebooting the instance.')
RESIZING = InstanceTask(0x04, 'RESIZING', 'Resizing the instance.')
BUILDING = InstanceTask(0x05, 'BUILDING', 'The instance is building.')
MIGRATING = InstanceTask(0x06, 'MIGRATING', 'Migrating the instance.')
RESTART_REQUIRED = InstanceTask(0x07, 'RESTART_REQUIRED',
'Instance requires a restart.')
BUILDING_ERROR_DNS = InstanceTask(0x50, 'BUILDING', 'Build error: DNS.',
is_error=True)
BUILDING_ERROR_SERVER = InstanceTask(0x51, 'BUILDING',
'Build error: Server.',
is_error=True)
BUILDING_ERROR_VOLUME = InstanceTask(0x52, 'BUILDING',
'Build error: Volume.',
is_error=True)
BUILDING_ERROR_TIMEOUT_GA = InstanceTask(0x54, 'ERROR',
'Build error: '
'guestagent timeout.',
is_error=True)
BUILDING_ERROR_SEC_GROUP = InstanceTask(0x53, 'BUILDING',
'Build error: Security group '
'or rule.',
is_error=True)
# Dissuade further additions at run-time.
InstanceTask.__init__ = None
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