# File lib/fog/compute/openstack/requests/update_aggregate_metadata.rb, line 5
        def update_aggregate_metadata(uuid, metadata = {})
          data = {'set_metadata' => {'metadata' => metadata}}
          request(
            :body    => Fog::JSON.encode(data),
            :expects => [200],
            :method  => 'POST',
            :path    => "os-aggregates/#{uuid}/action"
          )
        end