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# Copyright 2016 Tesora, Inc
#
# 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.
"""Model classes that form the core of volume-support functionality"""
from cinderclient import exceptions as cinder_exception
from trove.common import clients
from trove.common import exception as trove_exception
from trove.common import models
class VolumeType(object):
_data_fields = ['id', 'name', 'is_public', 'description']
def __init__(self, volume_type=None):
"""Initialize a cinder client volume_type object"""
self.volume_type = volume_type
@classmethod
def load(cls, volume_type_id, context=None, client=None):
if not(client or context):
raise trove_exception.InvalidModelError(
"client or context must be provided to load a volume_type")
if not client:
client = clients.create_cinder_client(context)
try:
volume_type = client.volume_types.get(volume_type_id)
except cinder_exception.NotFound:
raise trove_exception.NotFound(uuid=volume_type_id)
except cinder_exception.ClientException as ce:
raise trove_exception.TroveError(str(ce))
return cls(volume_type)
@property
def id(self):
return self.volume_type.id
@property
def name(self):
return self.volume_type.name
@property
def is_public(self):
return self.volume_type.is_public
@property
def description(self):
return self.volume_type.description
class VolumeTypes(models.CinderRemoteModelBase):
def __init__(self, context):
volume_types = clients.create_cinder_client(
context).volume_types.list()
self.volume_types = [VolumeType(volume_type=item)
for item in volume_types]
def __iter__(self):
for item in self.volume_types:
yield item
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