Dynamic mapping for name nested docs

dynamic-fields.json

{
	"fs": {
		"disk1": {
				"size": 175,
				"name": "dis1"
			},
		"disk2": {
				"size": 1785,
				"name": "dis2"
			}
		}
	}
}



PUT my_index
{
  "mappings": {
    "my_type": {
      "dynamic_templates": [
        {
          "disk_size": {
            "path_match": "fs.*.size",
            "mapping": {
              "type": "string",
            }
          }
        }
      ]
    }
  }
}