a.json

{
  "kind": "Policy",
  "apiVersion": "v1",
  "predicates": [
  {
    "name": "PodFitsPorts"
  },
  {
    "name": "PodFitsResources"
  },
  {
    "name": "NoDiskConflict"
  },
  {
    "name": "MatchNodeSelector"
  },
  {
    "name": "HostName"
  }],
  "priorities": [
  {
    "name": "LeastRequestedPriority",
    "weight": 1
  },
  {
    "name": "BalancedResourceAllocation",
    "weight": 1
  },
  {
    "name": "ServiceSpreadingPriority",
    "weight": 1
  },
  {
    "name": "EqualPriority",
    "weight": 1
  }]
}