150 lines
4.7 KiB
Python
150 lines
4.7 KiB
Python
# Copyright (c) 2013 eBay Inc.
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# Copyright (c) OpenStack Foundation
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""
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QoS Specs interface.
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"""
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from cinderclient import base
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class QoSSpecs(base.Resource):
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"""QoS specs entity represents quality-of-service parameters/requirements.
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A QoS specs is a set of parameters or requirements for quality-of-service
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purpose, which can be associated with volume types (for now). In future,
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QoS specs may be extended to be associated other entities, such as single
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volume.
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"""
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def __repr__(self):
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return "<QoSSpecs: %s>" % self.name
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def delete(self):
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return self.manager.delete(self)
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class QoSSpecsManager(base.ManagerWithFind):
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"""
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Manage :class:`QoSSpecs` resources.
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"""
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resource_class = QoSSpecs
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def list(self, search_opts=None):
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"""Get a list of all qos specs.
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:rtype: list of :class:`QoSSpecs`.
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"""
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return self._list("/qos-specs", "qos_specs")
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def get(self, qos_specs):
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"""Get a specific qos specs.
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:param qos_specs: The ID of the :class:`QoSSpecs` to get.
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:rtype: :class:`QoSSpecs`
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"""
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return self._get("/qos-specs/%s" % base.getid(qos_specs), "qos_specs")
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def delete(self, qos_specs, force=False):
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"""Delete a specific qos specs.
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:param qos_specs: The ID of the :class:`QoSSpecs` to be removed.
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:param force: Flag that indicates whether to delete target qos specs
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if it was in-use.
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"""
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self._delete("/qos-specs/%s?force=%s" %
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(base.getid(qos_specs), force))
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def create(self, name, specs):
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"""Create a qos specs.
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:param name: Descriptive name of the qos specs, must be unique
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:param specs: A dict of key/value pairs to be set
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:rtype: :class:`QoSSpecs`
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"""
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body = {
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"qos_specs": {
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"name": name,
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}
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}
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body["qos_specs"].update(specs)
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return self._create("/qos-specs", body, "qos_specs")
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def set_keys(self, qos_specs, specs):
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"""Add/Update keys in a qos_specs.
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:param qos_specs: The ID of qos specs
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:param specs: A dict of key/value pairs to be set
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:rtype: :class:`QoSSpecs`
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"""
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body = {
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"qos_specs": {}
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}
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body["qos_specs"].update(specs)
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return self._update("/qos-specs/%s" % qos_specs, body)
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def unset_keys(self, qos_specs, specs):
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"""Remove keys from a qos specs.
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:param qos_specs: The ID of qos specs
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:param specs: A list of key to be unset
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:rtype: :class:`QoSSpecs`
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"""
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body = {'keys': specs}
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return self._update("/qos-specs/%s/delete_keys" % qos_specs,
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body)
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def get_associations(self, qos_specs):
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"""Get associated entities of a qos specs.
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:param qos_specs: The id of the :class: `QoSSpecs`
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:return: a list of entities that associated with specific qos specs.
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"""
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return self._list("/qos-specs/%s/associations" % base.getid(qos_specs),
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"qos_associations")
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def associate(self, qos_specs, vol_type_id):
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"""Associate a volume type with specific qos specs.
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:param qos_specs: The qos specs to be associated with
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:param vol_type_id: The volume type id to be associated with
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"""
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self.api.client.get("/qos-specs/%s/associate?vol_type_id=%s" %
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(base.getid(qos_specs), vol_type_id))
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def disassociate(self, qos_specs, vol_type_id):
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"""Disassociate qos specs from volume type.
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:param qos_specs: The qos specs to be associated with
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:param vol_type_id: The volume type id to be associated with
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"""
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self.api.client.get("/qos-specs/%s/disassociate?vol_type_id=%s" %
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(base.getid(qos_specs), vol_type_id))
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def disassociate_all(self, qos_specs):
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"""Disassociate all entities from specific qos specs.
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:param qos_specs: The qos specs to be associated with
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"""
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self.api.client.get("/qos-specs/%s/disassociate_all" %
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base.getid(qos_specs))
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