server.rb

          Fog::SSH.new(public_ip_address, username, credentials).run([
            %{mkdir .ssh},
            %{echo "#{public_key}" >> ~/.ssh/authorized_keys},
            %{passwd -l #{username}},
            %{echo "#{Fog::JSON.encode(attributes)}" >> ~/attributes.json},
            %{echo "#{Fog::JSON.encode(metadata)}" >> ~/metadata.json}
          ])