cpr.json

{
    "customdata": {
        "cpr_storage": {
            "disks": [
                {
                    "device": "/dev/sdd",
                    "partitions": [
                        {
                            "label": "BIOS",
                            "number": 1,
                            "size": "512M"
                        },
                        {
                            "label": "SWAP",
                            "number": 2,
                            "size": "3993600"
                        },
                        {
                            "label": "ROOT",
                            "number": 3,
                            "size": 0
                        }
                    ]
                }
            ],
            "filesystems": [
                {
                    "mount": {
                        "device": "/dev/sdd1",
                        "format": "vfat",
                        "point": "/boot",
                        "create": {
                            "options": [
                                "32",
                                "-n",
                                "EFI"
                            ]
                        }
                    }
                },
                {
                    "mount": {
                        "device": "/dev/sdd2",
                        "format": "swap",
                        "point": "none",
                        "create": {
                            "options": [
                                "-L",
                                "SWAP"
                            ]
                        }
                    }
                }
            ]
        },

        "cpr_zfs": {
            "pools": {
                "npool": {
                    "pool_properties": {
                    },
                    "vdevs": [
                        {
                            "disk": [
                                "/dev/sda",
                                "/dev/sdb",
                                "/dev/sdc",
                                "/dev/sdd3"
                            ]
                        }
                    ]
                }
            },
            "datasets": {
                "npool/root": {
                    "properties": {
                        "mountpoint": "legacy"
                    }
                },
                "npool/nix": {
                    "properties": {
                        "mountpoint": "legacy"
                    }
                },
                "npool/home": {
                    "properties": {
                        "mountpoint": "legacy"
                    }
                },
                "npool/var": {
                    "properties": {
                        "mountpoint": "legacy"
                    }
                }
            },
            "mounts": [
                {
                    "dataset": "npool/root",
                    "point": "/"
                },
                {
                    "dataset": "npool/nix",
                    "point": "/nix"
                },
                {
                    "dataset": "npool/var",
                    "point": "/var"
                },
                {
                    "dataset": "npool/home",
                    "point": "/home"
                }
            ]
        }
    }
}