{
    "properties": {
        "zeppelin": {
            "properties": {
                "role": {
                    "default": "*",
                    "description": "The accepted resource roles, for example slave_public. By default, this will deploy to any agents with the * role.",
                    "type": "string"
                },
                "spark_version": {
                    "default": "spark-1.6.0",
                    "description": "The version of the Spark distribution to run with Zeppelin.",
                    "type": "string"
                },
                "vhost": {
                    "default": "",
                    "description": "The domain name marathon-lb will use to route requests to this app",
                    "type": "string"
                }
            },
            "required": [
                "spark_version"
            ],
            "type": "object"
        }
    },
    "type": "object"
}