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# Copyright (c) 2011 Rackspace US, Inc.
#
# 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.
"""
Volume Type interface.
"""
from cinderclient import base
class VolumeType(base.Resource):
"""
A Volume Type is the type of volume to be created
"""
def __repr__(self):
return "<VolumeType: %s>" % self.name
def get_keys(self):
"""
Get extra specs from a volume type.
:param vol_type: The :class:`VolumeType` to get extra specs from
"""
_resp, body = self.manager.api.client.get(
"/types/%s/extra_specs" %
base.getid(self))
return body["extra_specs"]
def set_keys(self, metadata):
"""
Set extra specs on a volume type.
:param type : The :class:`VolumeType` to set extra spec on
:param metadata: A dict of key/value pairs to be set
"""
body = {'extra_specs': metadata}
return self.manager._create(
"/types/%s/extra_specs" % base.getid(self),
body,
"extra_specs",
return_raw=True)
def unset_keys(self, keys):
"""
Unset extra specs on a volume type.
:param type_id: The :class:`VolumeType` to unset extra spec on
:param keys: A list of keys to be unset
"""
# NOTE(jdg): This wasn't actually doing all of the keys before
# the return in the loop resulted in only ONE key being unset,
# since on success the return was None, we'll only interrupt
# the loop and if an exception is raised.
for k in keys:
self.manager._delete("/types/%s/extra_specs/%s" %
(base.getid(self), k))
class VolumeTypeManager(base.ManagerWithFind):
"""
Manage :class:`VolumeType` resources.
"""
resource_class = VolumeType
def list(self, search_opts=None):
"""
Get a list of all volume types.
:rtype: list of :class:`VolumeType`.
"""
return self._list("/types", "volume_types")
def get(self, volume_type):
"""
Get a specific volume type.
:param volume_type: The ID of the :class:`VolumeType` to get.
:rtype: :class:`VolumeType`
"""
return self._get("/types/%s" % base.getid(volume_type), "volume_type")
def delete(self, volume_type):
"""
Delete a specific volume_type.
:param volume_type: The name or ID of the :class:`VolumeType` to get.
"""
self._delete("/types/%s" % base.getid(volume_type))
def create(self, name):
"""
Creates a volume type.
:param name: Descriptive name of the volume type
:rtype: :class:`VolumeType`
"""
body = {
"volume_type": {
"name": name,
}
}
return self._create("/types", body, "volume_type")
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