nixos/modules/impermanence.nix
Jake Hillion d7398e38df
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flake: update to nixpkgs 2311
2024-02-10 15:34:54 +00:00

81 lines
2.4 KiB
Nix

{ config, lib, ... }:
let
cfg = config.custom.impermanence;
listIf = (enable: x: if enable then x else [ ]);
in
{
options.custom.impermanence = {
enable = lib.mkEnableOption "impermanence";
base = lib.mkOption {
type = lib.types.str;
default = "/data";
};
users = lib.mkOption {
type = with lib.types; listOf str;
default = [ "root" config.custom.user ];
};
userExtraFiles = lib.mkOption {
type = with lib.types; attrsOf (listOf str);
default = { };
};
userExtraDirs = lib.mkOption {
type = with lib.types; attrsOf (listOf str);
default = { };
};
};
config = lib.mkIf cfg.enable {
fileSystems.${cfg.base}.neededForBoot = true;
services = {
openssh.hostKeys = [
{ path = "/data/system/etc/ssh/ssh_host_ed25519_key"; type = "ed25519"; }
{ path = "/data/system/etc/ssh/ssh_host_rsa_key"; type = "rsa"; bits = 4096; }
];
matrix-synapse.dataDir = "${cfg.base}/system/var/lib/matrix-synapse";
gitea.stateDir = "${cfg.base}/system/var/lib/gitea";
};
environment.persistence."${cfg.base}/system" = {
hideMounts = true;
directories = [
"/etc/nixos"
] ++ (listIf config.custom.tailscale.enable [ "/var/lib/tailscale" ]) ++
(listIf config.services.zigbee2mqtt.enable [ config.services.zigbee2mqtt.dataDir ]) ++
(listIf config.services.postgresql.enable [ config.services.postgresql.dataDir ]) ++
(listIf config.hardware.bluetooth.enable [ "/var/lib/bluetooth" ]) ++
(listIf config.custom.services.unifi.enable [ "/var/lib/unifi" ]) ++
(listIf (config.virtualisation.oci-containers.containers != { }) [ "/var/lib/containers" ]);
};
home-manager.users =
let
mkUser = (x: {
name = x;
value = {
home.persistence."/data/users/${x}" = {
allowOther = false;
files = [
".zsh_history"
] ++ cfg.userExtraFiles.${x} or [ ];
directories = cfg.userExtraDirs.${x} or [ ];
};
};
});
in
builtins.listToAttrs (builtins.map mkUser cfg.users);
systemd.tmpfiles.rules = builtins.map
(user:
let details = config.users.users.${user}; in "L ${details.home}/local - ${user} ${details.group} - /data/users/${user}")
cfg.users;
};
}