- hosts: order
  vars: 
    gw_url: 10.66.70.79:8080/gateway
  tasks:
     - uri:
        url: http://{{gw_url}}/service_control/unregister?ip={{inventory_hostname}}&context={{group_names[0]}}
  remote_user: root


- hosts: promotion
  vars: 
    gw_url: 10.66.70.79:8080/gateway
  tasks:
     - uri:
        url: http://{{gw_url}}/service_control/unregister?ip={{inventory_hostname}}&context={{group_names[0]}}
  remote_user: root