77 lines
2.6 KiB
Python
77 lines
2.6 KiB
Python
# 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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from collections import defaultdict
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from oslo_log import log
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from cinderclient import client
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from kingbird.common import exceptions
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from kingbird.drivers import base
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LOG = log.getLogger(__name__)
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API_VERSION = '2'
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class CinderClient(base.DriverBase):
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'''Cinder V2 driver.'''
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def __init__(self, region, disabled_quotas, session):
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try:
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self.cinder = client.Client(API_VERSION,
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session=session,
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region_name=region)
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self.no_volumes = True if 'volumes' in disabled_quotas else False
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except exceptions.ServiceUnavailable:
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raise
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def get_resource_usages(self, project_id):
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'''Calcualte resources usage and return the dict
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:param: project_id
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:return: resource usage dict
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'''
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if not self.no_volumes:
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try:
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usages = defaultdict(dict)
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opts = {'all_tenants': 1, 'project_id': project_id}
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volumes = self.cinder.volumes.list(search_opts=opts)
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snapshots = self.cinder.volume_snapshots.list(search_opts=opts)
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backups = self.cinder.backups.list(search_opts=opts)
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usages['gigabytes'] = sum([int(v.size) for v in volumes])
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usages['volumes'] = len(volumes)
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usages['snapshots'] = len(snapshots)
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usages['backups'] = len(backups)
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return usages
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except exceptions.InternalError:
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raise
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def update_quota_limits(self, project_id, **new_quota):
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'''Update the limits'''
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try:
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if not self.no_volumes:
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return self.cinder.quotas.update(project_id, **new_quota)
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except exceptions.InternalError:
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raise
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def delete_quota_limits(self, project_id):
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'''Delete/Reset the limits'''
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try:
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if not self.no_volumes:
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return self.cinder.quotas.delete(project_id)
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except exceptions.InternalError:
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raise
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