    # File lib/fog/rackspace/requests/compute_v2/update_metadata.rb, line 16
            def update_metadata(collection, obj_id, metadata = {})
              raise Fog::Compute::RackspaceV2::NotFound if obj_id == 0

              response = Excon::Response.new
              response.status = 202
              response.body = {"metadata" => {"environment" => "dev", "tag" => "database"}}
              response
            end