    # File lib/fog/rackspace/requests/databases/create_instance.rb, line 5
            def create_instance(name, flavor_id, volume_size, options = {})
              data = {
                'instance' => {
                  'name' => name,
                  'flavorRef' => flavor_id,
                  'volume' => {
                    'size' => volume_size
                  }
                }
              }

              request(
                :body => Fog::JSON.encode(data),
                :expects => 200,
                :method => 'POST',
                :path => 'instances'
              )
            end