python-cinderclient/cinderclient/v2/qos_specs.py

156 lines
5.0 KiB
Python

# Copyright (c) 2013 eBay Inc.
# Copyright (c) OpenStack Foundation
#
# 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.
"""
QoS Specs interface.
"""
from cinderclient.apiclient import base as common_base
from cinderclient import base
class QoSSpecs(base.Resource):
"""QoS specs entity represents quality-of-service parameters/requirements.
A QoS specs is a set of parameters or requirements for quality-of-service
purpose, which can be associated with volume types (for now). In future,
QoS specs may be extended to be associated other entities, such as single
volume.
"""
def __repr__(self):
return "<QoSSpecs: %s>" % self.name
def delete(self):
return self.manager.delete(self)
class QoSSpecsManager(base.ManagerWithFind):
"""
Manage :class:`QoSSpecs` resources.
"""
resource_class = QoSSpecs
def list(self, search_opts=None):
"""Get a list of all qos specs.
:rtype: list of :class:`QoSSpecs`.
"""
return self._list("/qos-specs", "qos_specs")
def get(self, qos_specs):
"""Get a specific qos specs.
:param qos_specs: The ID of the :class:`QoSSpecs` to get.
:rtype: :class:`QoSSpecs`
"""
return self._get("/qos-specs/%s" % base.getid(qos_specs), "qos_specs")
def delete(self, qos_specs, force=False):
"""Delete a specific qos specs.
:param qos_specs: The ID of the :class:`QoSSpecs` to be removed.
:param force: Flag that indicates whether to delete target qos specs
if it was in-use.
"""
return self._delete("/qos-specs/%s?force=%s" %
(base.getid(qos_specs), force))
def create(self, name, specs):
"""Create a qos specs.
:param name: Descriptive name of the qos specs, must be unique
:param specs: A dict of key/value pairs to be set
:rtype: :class:`QoSSpecs`
"""
body = {
"qos_specs": {
"name": name,
}
}
body["qos_specs"].update(specs)
return self._create("/qos-specs", body, "qos_specs")
def set_keys(self, qos_specs, specs):
"""Add/Update keys in qos specs.
:param qos_specs: The ID of qos specs
:param specs: A dict of key/value pairs to be set
:rtype: :class:`QoSSpecs`
"""
body = {
"qos_specs": {}
}
body["qos_specs"].update(specs)
return self._update("/qos-specs/%s" % qos_specs, body)
def unset_keys(self, qos_specs, specs):
"""Remove keys from a qos specs.
:param qos_specs: The ID of qos specs
:param specs: A list of key to be unset
:rtype: :class:`QoSSpecs`
"""
body = {'keys': specs}
return self._update("/qos-specs/%s/delete_keys" % qos_specs,
body)
def get_associations(self, qos_specs):
"""Get associated entities of a qos specs.
:param qos_specs: The id of the :class: `QoSSpecs`
:return: a list of entities that associated with specific qos specs.
"""
return self._list("/qos-specs/%s/associations" % base.getid(qos_specs),
"qos_associations")
def associate(self, qos_specs, vol_type_id):
"""Associate a volume type with specific qos specs.
:param qos_specs: The qos specs to be associated with
:param vol_type_id: The volume type id to be associated with
"""
resp, body = self.api.client.get(
"/qos-specs/%s/associate?vol_type_id=%s" %
(base.getid(qos_specs), vol_type_id))
return common_base.TupleWithMeta((resp, body), resp)
def disassociate(self, qos_specs, vol_type_id):
"""Disassociate qos specs from volume type.
:param qos_specs: The qos specs to be associated with
:param vol_type_id: The volume type id to be associated with
"""
resp, body = self.api.client.get(
"/qos-specs/%s/disassociate?vol_type_id=%s" %
(base.getid(qos_specs), vol_type_id))
return common_base.TupleWithMeta((resp, body), resp)
def disassociate_all(self, qos_specs):
"""Disassociate all entities from specific qos specs.
:param qos_specs: The qos specs to be associated with
"""
resp, body = self.api.client.get(
"/qos-specs/%s/disassociate_all" %
base.getid(qos_specs))
return common_base.TupleWithMeta((resp, body), resp)