anchor.diff:      balance   roundrobin
   $__cinder_backend_servers__
   
  -frontend ceph-rest-api-server 
  -    bind :5005
  -    default_backend  ceph-rest-api-server-backend
  -
  -backend ceph-rest-api-server-backend
  -    option tcpka
  -    option nolinger
  -    timeout server 24h
  -    balance   roundrobin
  -$__ceph_restapi_backend_servers__
   
   frontend neutron-server
       bind :9696
  
positive.code: 	'__keystone_admin_backend_servers__' : keystone_admin_server_lines,
  	'__glance_backend_servers__' : glance_server_lines,
  	'__cinder_backend_servers__' : cinder_server_lines,
  	'__ceph_restapi_backend_servers__' : ceph_restapi_server_lines,
  	'__openstack_neutron_servers__' : neutron_server_server_lines,
  	'__nova_api_backend_servers__' : nova_api_server_lines,
  	'__nova_meta_backend_servers__' : nova_meta_server_lines,
  
negative.code:              % (space, host_ip, host_ip)
          cinder_server_lines +=\
              '%s server %s %s:9776 check inter 2000 rise 2 fall 3\n'\
               % (space, host_ip, host_ip)
          neutron_server_server_lines +=\
              '%s server %s %s:9697 check inter 2000 rise 2 fall 3\n'\
  