text: # Copyright (C) 2014 eNovance SAS <licensing@enovance.com>
  #
  # Author: Sylvain Baubeau <sylvain.baubeau@enovance.com>
  #
  #    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.
  
  import urllib
  
  from tempest.openstack.common import jsonutils
  
  from tempest.common import rest_client
  from tempest import config
  
  CONF = config.CONF
  
  
  class VolumeQuotasClientJSON(rest_client.RestClient):
      """
      Client class to send CRUD Volume Quotas API requests to a Cinder endpoint
      """
  
      TYPE = "json"
  
      def __init__(self, auth_provider):
          super(VolumeQuotasClientJSON, self).__init__(auth_provider)
  
          self.service = CONF.volume.catalog_type
          self.build_interval = CONF.volume.build_interval
          self.build_timeout = CONF.volume.build_timeout
  
      def get_default_quota_set(self, tenant_id):
          """List the default volume quota set for a tenant."""
  
          url = 'os-quota-sets/%s/defaults' % tenant_id
          resp, body = self.get(url)
          return resp, self._parse_resp(body)
  
      def get_quota_set(self, tenant_id, params=None):
          """List the quota set for a tenant."""
  
          url = 'os-quota-sets/%s' % tenant_id
          if params:
              url += '?%s' % urllib.urlencode(params)
  
          resp, body = self.get(url)
          return resp, self._parse_resp(body)
  
      def get_quota_usage(self, tenant_id):
          """List the quota set for a tenant."""
  
          resp, body = self.get_quota_set(tenant_id, params={'usage': True})
          return resp, body
  
      def update_quota_set(self, tenant_id, gigabytes=None, volumes=None,
                           snapshots=None):
          post_body = {}
  
          if gigabytes is not None:
              post_body['gigabytes'] = gigabytes
  
          if volumes is not None:
              post_body['volumes'] = volumes
  
          if snapshots is not None:
              post_body['snapshots'] = snapshots
  
          post_body = jsonutils.dumps({'quota_set': post_body})
          resp, body = self.put('os-quota-sets/%s' % tenant_id, post_body)
          return resp, self._parse_resp(body)
  
      def delete_quota_set(self, tenant_id):
          """Delete the tenant's quota set."""
          return self.delete('os-quota-sets/%s' % tenant_id)
  