129 lines
4.2 KiB
Python
129 lines
4.2 KiB
Python
#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import copy
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from heat.common import exception
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from heat.common.i18n import _
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from heat.engine import constraints
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from heat.engine import properties
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from heat.engine import resource
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from heat.engine import support
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from heat.engine import translation
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class CinderQuota(resource.Resource):
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"""A resource for creating cinder quotas.
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Cinder Quota is used to manage operational limits for projects. Currently,
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this resource can manage Cinder's gigabytes, snapshots, and volumes
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quotas.
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Note that default cinder security policy usage of this resource
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is limited to being used by administrators only. Administrators should be
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careful to create only one Cinder Quota resource per project, otherwise
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it will be hard for them to manage the quota properly.
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"""
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support_status = support.SupportStatus(version='7.0.0')
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default_client_name = 'cinder'
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entity = 'quotas'
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required_service_extension = 'os-quota-sets'
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PROPERTIES = (PROJECT, GIGABYTES, VOLUMES, SNAPSHOTS) = (
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'project', 'gigabytes', 'volumes', 'snapshots'
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)
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properties_schema = {
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PROJECT: properties.Schema(
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properties.Schema.STRING,
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_('OpenStack Keystone Project.'),
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required=True,
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constraints=[
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constraints.CustomConstraint('keystone.project')
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]
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),
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GIGABYTES: properties.Schema(
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properties.Schema.INTEGER,
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_('Quota for the amount of disk space (in Gigabytes). '
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'Setting the value to -1 removes the limit.'),
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constraints=[
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constraints.Range(min=-1),
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],
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update_allowed=True
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),
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VOLUMES: properties.Schema(
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properties.Schema.INTEGER,
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_('Quota for the number of volumes. '
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'Setting the value to -1 removes the limit.'),
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constraints=[
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constraints.Range(min=-1),
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],
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update_allowed=True
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),
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SNAPSHOTS: properties.Schema(
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properties.Schema.INTEGER,
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_('Quota for the number of snapshots. '
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'Setting the value to -1 removes the limit.'),
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constraints=[
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constraints.Range(min=-1),
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],
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update_allowed=True
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)
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}
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def translation_rules(self, props):
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return [
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translation.TranslationRule(
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props,
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translation.TranslationRule.RESOLVE,
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[self.PROJECT],
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client_plugin=self.client_plugin('keystone'),
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finder='get_project_id')
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]
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def handle_create(self):
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self._set_quota()
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self.resource_id_set(self.physical_resource_name())
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def handle_update(self, json_snippet, tmpl_diff, prop_diff):
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self._set_quota(json_snippet.properties(self.properties_schema,
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self.context))
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def _set_quota(self, props=None):
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if props is None:
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props = self.properties
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args = copy.copy(props.data)
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project = args.pop(self.PROJECT)
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self.client().quotas.update(project, **args)
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def handle_delete(self):
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self.client().quotas.delete(self.properties[self.PROJECT])
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def validate(self):
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super(CinderQuota, self).validate()
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if len(self.properties.data) == 1:
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raise exception.PropertyUnspecifiedError(self.GIGABYTES,
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self.SNAPSHOTS,
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self.VOLUMES)
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def resource_mapping():
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return {
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'OS::Cinder::Quota': CinderQuota
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}
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