{
    "projectId": "PROJECT_ID",
    "clusterName": "CLUSTER_NAME",
    "labels": "CLUSTER_LABEL",
    "config": {
        "configBucket": "CLUSTER_BUCKET",
        "gceClusterConfig": {
            "zoneUri": "CLUSTER_ZONE",
            "subnetworkUri": "CLUSTER_SUBNET",
            "internalIpOnly": "true",
            "serviceAccount": "SERVICE_ACCOUNT",
            "metadata": {
                "ssh-keys": "SSH_USER:SSH_PUBKEY"
            },
            "tags": [
                "CLUSTER_TAG"
            ]
        },
        "masterConfig": {
            "numInstances": "NUM_MASTERS",
            "machineTypeUri": "MASTER_INSTANCE",
            "diskConfig": {
                "bootDiskSizeGb": 35,
                "numLocalSsds": 0
            },
            "accelerators": [
                {
                    "acceleratorCount": "NUM_MASTERS_GPU_CORES",
                    "acceleratorTypeUri": "MASTER_GPU_TYPE"
                }
            ]
        },
        "workerConfig": {
            "numInstances": "NUM_SLAVES",
            "machineTypeUri": "SLAVE_INSTANCE",
            "diskConfig": {
                "bootDiskSizeGb": 35,
                "numLocalSsds": 0
            },
            "accelerators": [
                {
                    "acceleratorCount": "NUM_SLAVESS_GPU_CORES",
                    "acceleratorTypeUri": "SLAVE_GPU_TYPE"
                }
            ]
        },
        "secondaryWorkerConfig": {
            "numInstances": "NUM_SLAVES",
            "isPreemptible": "true"
        },
        "softwareConfig": {
            "imageVersion": "IMAGE_VERSION"
        },
        "initializationActions": [
            {
                "executableFile": "GPU_DRIVER"
            }
        ]
    }
}