text: # Copyright 2013 NEC Corporation.
  # All Rights Reserved.
  #
  #    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 json
  
  from tempest.api_schema.response.compute import aggregates as schema
  from tempest.api_schema.response.compute.v3 import aggregates as v3_schema
  from tempest.common import rest_client
  from tempest import config
  from tempest import exceptions
  
  CONF = config.CONF
  
  
  class AggregatesV3ClientJSON(rest_client.RestClient):
  
      def __init__(self, auth_provider):
          super(AggregatesV3ClientJSON, self).__init__(auth_provider)
          self.service = CONF.compute.catalog_v3_type
  
      def list_aggregates(self):
          """Get aggregate list."""
          resp, body = self.get("os-aggregates")
          body = json.loads(body)
          self.validate_response(schema.list_aggregates, resp, body)
          return resp, body['aggregates']
  
      def get_aggregate(self, aggregate_id):
          """Get details of the given aggregate."""
          resp, body = self.get("os-aggregates/%s" % str(aggregate_id))
          body = json.loads(body)
          self.validate_response(schema.get_aggregate, resp, body)
          return resp, body['aggregate']
  
      def create_aggregate(self, **kwargs):
          """Creates a new aggregate."""
          post_body = json.dumps({'aggregate': kwargs})
          resp, body = self.post('os-aggregates', post_body)
  
          body = json.loads(body)
          self.validate_response(v3_schema.create_aggregate, resp, body)
          return resp, body['aggregate']
  
      def update_aggregate(self, aggregate_id, name, availability_zone=None):
          """Update a aggregate."""
          put_body = {
              'name': name,
              'availability_zone': availability_zone
          }
          put_body = json.dumps({'aggregate': put_body})
          resp, body = self.put('os-aggregates/%s' % str(aggregate_id), put_body)
  
          body = json.loads(body)
          self.validate_response(schema.update_aggregate, resp, body)
          return resp, body['aggregate']
  
      def delete_aggregate(self, aggregate_id):
          """Deletes the given aggregate."""
          resp, body = self.delete("os-aggregates/%s" % str(aggregate_id))
          self.validate_response(v3_schema.delete_aggregate, resp, body)
          return resp, body
  
      def is_resource_deleted(self, id):
          try:
              self.get_aggregate(id)
          except exceptions.NotFound:
              return True
          return False
  
      def add_host(self, aggregate_id, host):
          """Adds a host to the given aggregate."""
          post_body = {
              'host': host,
          }
          post_body = json.dumps({'add_host': post_body})
          resp, body = self.post('os-aggregates/%s/action' % aggregate_id,
                                 post_body)
          body = json.loads(body)
          self.validate_response(v3_schema.aggregate_add_remove_host, resp, body)
          return resp, body['aggregate']
  
      def remove_host(self, aggregate_id, host):
          """Removes a host from the given aggregate."""
          post_body = {
              'host': host,
          }
          post_body = json.dumps({'remove_host': post_body})
          resp, body = self.post('os-aggregates/%s/action' % aggregate_id,
                                 post_body)
          body = json.loads(body)
          self.validate_response(v3_schema.aggregate_add_remove_host, resp, body)
          return resp, body['aggregate']
  
      def set_metadata(self, aggregate_id, meta):
          """Replaces the aggregate's existing metadata with new metadata."""
          post_body = {
              'metadata': meta,
          }
          post_body = json.dumps({'set_metadata': post_body})
          resp, body = self.post('os-aggregates/%s/action' % aggregate_id,
                                 post_body)
          body = json.loads(body)
          self.validate_response(schema.aggregate_set_metadata, resp, body)
          return resp, body['aggregate']
  