OpenStack Orchestration (Heat)
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heat/heat/engine/support.py

71 lines
2.6 KiB

#
# 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.
from heat.common.i18n import _
SUPPORT_STATUSES = (UNKNOWN, SUPPORTED, DEPRECATED, UNSUPPORTED, HIDDEN
) = ('UNKNOWN', 'SUPPORTED', 'DEPRECATED', 'UNSUPPORTED',
'HIDDEN')
class SupportStatus(object):
def __init__(self, status=SUPPORTED, message=None,
version=None, previous_status=None, substitute_class=None):
"""Use SupportStatus for current status of object.
:param status: current status of object.
:param version: version of OpenStack, from which current status is
valid. It may be None, but need to be defined for correct
doc generating.
:param message: specific status message for object.
:param substitute_class: assign substitute class.
"""
self.status = status
self.substitute_class = substitute_class
self.message = message
self.version = version
self.previous_status = previous_status
self.validate()
def validate(self):
if (self.previous_status is not None and
not isinstance(self.previous_status, SupportStatus)):
raise ValueError(_('previous_status must be SupportStatus '
'instead of %s') % type(self.previous_status))
if self.status not in SUPPORT_STATUSES:
self.status = UNKNOWN
self.message = _("Specified status is invalid, defaulting to"
" %s") % UNKNOWN
self.version = None
self.previous_status = None
def to_dict(self):
return {'status': self.status,
'message': self.message,
'version': self.version,
'previous_status': self.previous_status.to_dict()
if self.previous_status is not None else None}
def is_substituted(self, substitute_class):
if self.substitute_class is None:
return False
return substitute_class is self.substitute_class
def is_valid_status(status):
return status in SUPPORT_STATUSES