nixos-servers/nix/modules/storage.nix
2024-03-02 14:03:27 +01:00

80 lines
1.8 KiB
Nix

{ lib, config, machine, ... }:
let cfg = config.lab.storage;
in {
options.lab.storage = {
osDisk = lib.mkOption {
type = with lib.types; nullOr str;
description = ''
The disk to be used for the machine's operating system.
'';
};
dataPartition = lib.mkOption {
default = null;
type = lib.types.nullOr lib.types.str;
description = ''
Partition to be used for data storage on this machine.
'';
};
dataMountPoint = lib.mkOption {
default = "/mnt/data";
type = lib.types.str;
description = ''
Mount point of the machine's data partition.
'';
};
};
config = {
fileSystems = lib.attrsets.mergeAttrsList [
(lib.optionalAttrs machine.isHypervisor {
"${cfg.dataMountPoint}".device = cfg.dataPartition;
})
(lib.optionalAttrs machine.isRaspberryPi {
"/" = {
device = "/dev/disk/by-label/NIXOS_SD";
fsType = "ext4";
options = [ "noatime" ];
};
})
];
disko = lib.mkIf machine.isHypervisor {
# TODO: Rename this to 'osDisk'. Unfortunately, we would need to run nixos-anywhere again then.
devices.disk.vdb = {
device = cfg.osDisk;
type = "disk";
content = {
type = "gpt";
partitions = {
swap.size = "100%";
ESP = {
type = "EF00";
size = "500M";
content = {
type = "filesystem";
format = "vfat";
mountpoint = "/boot";
};
};
root = {
end = "-4G";
content = {
type = "filesystem";
format = "btrfs";
mountpoint = "/";
};
};
};
};
};
};
};
}