nix-config/modules/backup.nix
dadada e1c562191b
Move vim packages to pkgs
Add system config

Split up modules into home and system sets

Update

Cleanup

Move home config

Add module attrs

Fix empty LUKS device UUID

Import local secrets
2020-12-28 18:35:15 +01:00

82 lines
2.1 KiB
Nix

{ config, pkgs, lib, ...}:
with lib;
let
backupExcludes = [
"/backup"
"/dev"
"/efi"
"/home/*/.cache"
"/home/*/.config/Riot/Cache"
"/home/iserv"
"/lost+found"
"/mnt"
"/nix"
"/proc"
"/run"
"/sys"
"/tmp"
"/var/cache"
"/var/log"
"/var/tmp"
];
cfg = config.dadada.backupClient;
in {
options.dadada.backupClient = {
enable = mkEnableOption "Enable backup client";
gs = mkEnableOption "Enable backup to GS location";
bs = mkEnableOption "Enable backup to BS location";
};
config = mkIf cfg.enable {
fileSystems = mkIf cfg.gs {
"/backup" = {
device = "/dev/disk/by-uuid/0fdab735-cc3e-493a-b4ec-cbf6a77d48d5";
fsType = "ext4";
options = [ "x-systemd.automount" "noauto" "x-systemd.idle-timeout=600" ];
};
};
services.borgbackup.jobs.gs = mkIf cfg.gs {
paths = "/";
exclude = backupExcludes;
repo = "/backup/${config.networking.hostName}";
doInit = false;
encryption = {
mode = "repokey";
passCommand = "cat /var/lib/borgbackup/gs/passphrase";
};
compression = "auto,lz4";
prune.keep = {
within = "1d"; # Keep all archives from the last day
daily = 7;
weekly = 2;
monthly = -1; # Keep at least one archive for each month
yearly = -1; # Keep at least one archive for each year
};
startAt = "monthly";
};
networking.hosts = mkIf cfg.bs {
"fd42:dead:beef:0:5054:ff:fefb:7361" = [
"media.dadada.li"
];
};
services.borgbackup.jobs.bs = mkIf cfg.bs{
paths = "/";
exclude = backupExcludes;
repo = "borg@media.dadada.li:/mnt/storage/backup/${config.networking.hostName}";
doInit = true;
environment = {
BORG_RSH = "ssh -i /var/lib/borgbackup/bs/id_ed25519 -o 'StrictHostKeyChecking accept-new'";
};
encryption = {
mode = "repokey";
passCommand = "cat /var/lib/borgbackup/bs/passphrase";
};
compression = "auto,lz4";
startAt = "daily";
};
};
}