nixos/hosts/common/disks/luks-btrfs-subvolumes.nix

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{device ? throw "Must define a device, e.g. /dev/sda"}:
{
disko.devices = {
disk = {
vdb = {
type = "disk";
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inherit device;
content = {
type = "gpt";
partitions = {
ESP = {
size = "512M";
type = "EF00";
content = {
type = "filesystem";
format = "vfat";
mountpoint = "/boot";
mountOptions = [
"defaults"
];
};
};
luks = {
size = "100%";
content = {
type = "luks";
name = "crypted";
# disable settings.keyFile if you want to use interactive password entry
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passwordFile = "/tmp/luks_secret.key"; # Interactive
# settings = {
# allowDiscards = true;
# keyFile = "${sopsHashedPasswordFile}";
# };
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content = {
type = "btrfs";
extraArgs = ["-f"];
subvolumes = {
"/root" = {
mountpoint = "/";
};
"/persist" = {
mountOptions = [ "subvol=persist" ];
mountpoint = "/persist";
};
"/nix" = {
mountOptions = [ "subvol=nix" "noatime" ];
mountpoint = "/nix";
};
"/swap" = {
mountOptions = [ "noatime" ];
mountpoint = "/.swapvol";
swap.swapfile.size = "8192M";
};
};
};
};
};
};
};
};
};
};
}