template.json

{
    "volume": {
        "$volume_id": {
            "Info": {
                "size": $volume_size,
                "name": "vol_$volume_id",
                "durability": {
                    "type": "replicate",
                    "replicate": {
                        "replica": 3
                    },
                    "disperse": {}
                },
                "gid": $volume_gid,
                "snapshot": {
                    "enable": false,
                    "factor": 1
                },
                "id": "$volume_id",
                "cluster": "$cluster_id",
                "mount": {
                    "glusterfs": {
                        "hosts": [ "$gluster_host_ip_1", "$gluster_host_ip_2", "$gluster_host_ip_3" ],
                        "device": "$gluster_host_ip_1:vol_$volume_id",
                        "options": {
                            "backup-volfile-servers": "$gluster_host_ip_2,$gluster_host_ip_3"
                        }
                    }
                },
                "blockinfo": {}
            },
            "Bricks": [
                "$brick_id_1",
                "$brick_id_2",
                "$brick_id_3"
            ],
            "GlusterVolumeOptions": [
                "",
                ""
            ],
            "Pending": {
                "Id": ""
            }
        }
    },

    "bricks": {
        "$brick_id_1": {
            "Info": {
                "id": "$brick_id_1",
                "path": "$brick_path_1",
                "device": "$brick_vg_id_1",
                "node": "$host_id_for_brick_id_1",
                "volume": "$volume_id",
                "size": $volume_size_bytes
            },
            "TpSize": $volume_size_bytes,
            "PoolMetadataSize": 12288,
            "Pending": {
                "Id": ""
            },
            "LvmThinPool": "tp_$brick_id_1",
            "LvmLv": "",
            "SubType": 1
        },
        "$brick_id_2": {
            "Info": {
                "id": "$brick_id_2",
                "path": "$brick_path_2",
                "device": "$brick_vg_id_2",
                "node": "$host_id_for_brick_id_2",
                "volume": "$volume_id",
                "size": $volume_size_bytes
            },
            "TpSize": $volume_size_bytes,
            "PoolMetadataSize": 12288,
            "Pending": {
                "Id": ""
            },
            "LvmThinPool": "tp_$brick_id_2",
            "LvmLv": "",
            "SubType": 1
        },
        "$brick_id_3": {
            "Info": {
                "id": "$brick_id_3",
                "path": "$brick_path_3",
                "device": "$brick_vg_id_3",
                "node": "$host_id_for_brick_id_3",
                "volume": "$volume_id",
                "size": $volume_size_bytes
            },
            "TpSize": $volume_size_bytes,
            "PoolMetadataSize": 12288,
            "Pending": {
                "Id": ""
            },
            "LvmThinPool": "tp_$brick_id_3",
            "LvmLv": "",
            "SubType": 1
        }
    }
}