{
    disko = {
        devices = {
            disk = {
                virt_main = {
                    device = "/dev/sda";
                    type = "disk";
                    content = {
                        type = "gpt";
                        partitions = {
                            boot = {
                                name = "boot";
                                size = "1M";
                                type = "EF02";
                            };

                            ESP = {
                                name = "ESP";
                                size = "1024M";
                                type = "EF00";
                                content = {
                                    type = "filesystem";
                                    format = "vfat";
                                    mountpoint = "/boot";
                                    mountOptions = [
                                        "umask=0077"
                                    ];
                                };
                            };

                            root = {
                                size = "100%";
                                content = {
                                    type = "lvm_pv";
                                    vg = "pool";
                                };
                            };
                        };
                    };
                };
            };
        };
    };
}