openstack-manuals/doc/common/samples/server-scheduler-hints3.json

{
   "server":{
      "name":"server-1",
      "imageRef":"cedef40a-ed67-4d10-800e-17455edce175",
      "flavorRef":"1"
   },
   "os:scheduler_hints":{
      "same_host":[
         "a0cf03a5-d921-4877-bb5c-86d26cf818e1",
         "8c19174f-4220-44f0-824a-cd1eeef10287"
      ]
   }
}