mapping.json

{
  "metricset": { "properies": {
    "name": {
      "type": "keyword",
      "dimension": { "order": 1 }
    }
  }},
  "kubernetes": { "properties": {
    "pod": {
      "name": {
        "type": "keyword",
        "dimension": {"order": 2}
      },
      <fields about pod>
      "volume": { "properties": {
        "uuid": {
          "type": "keyword",
          "dimension": {"order": 3}
      }}
    }},
    "some_other_thing": { "properties":
     "uid": {
       "type": "keyword",
       "dimension": {"order": 2}
       ...
    }}
  }}
}