{
  "name": "cluster-master",
  "normal": {
    "splunk": {
      "mgmt_port": "8089",
      "clustering": {
        "accept_license": true,
        "is_server": true,
        "enabled": true,
        "mode": "master"
      }
    }
  },
  "automatic": {
    "ipaddress": "<INSERT_IP_ADDRESS>",
    "fqdn": "<INSERT_FQDN>",
    "roles": [
      "splunk_server",
      "splunk_cluster_master"
    ]
  },
  "run_list": [
    "role[splunk_cluster_master]"
  ]
}

{
  "name": "cluster-master",
  "normal": {
    "splunk": {
      "mgmt_port": "8089",
      "is_license_master": true,
      "clustering": {
        "accept_license": true,
        "is_server": true,
        "enabled": true,
        "mode": "master"
      }
    }
  },
  "automatic": {
    "ipaddress": "<INSERT_IP_ADDRESS>",
    "fqdn": "<INSERT_FQDN>",
    "roles": [
      "splunk_server",
      "splunk_cluster_master"
    ]
  },
  "run_list": [
    "role[splunk_cluster_master]"
  ]
}

Make cluster master the license master by default
Make cluster master the license master by default
