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configured backups

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Rouven Seifert 2023-07-30 19:41:51 +02:00
parent 60e1f3c3d0
commit b48fa4e383
Signed by: rouven.seifert
GPG key ID: B95E8FE6B11C4D09
25 changed files with 217 additions and 92 deletions
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54
hosts/nuc/modules/backup/default.nix
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@ -1,37 +1,35 @@
{ config, pkgs, ... }:
{
sops.secrets."borg/passphrase" = { };
environment.systemPackages = [ pkgs.borgbackup ];
fileSystems."/mnt/backup" =
{
device = "/dev/disk/by-uuid/f6905cdb-c130-465a-90a3-93997023b5d3 ";
fsType = "btrfs";
options = [ "compress=zstd" "noatime" "nofail" ];
device = "dev/disk/by-uuid/74e78699-fe27-4467-a9bb-99fc6e8d52c5";
fsType = "ext4";
options = [ "nofail" ];
neededForBoot = false;
};
services.borgmatic = {
enable = true;
settings = {
location.source_directories = [
"/var/lib"
"/var/log"
"/nix/persist"
];
location.repositories = [
"/mnt/backup/nuc"
];
storage = {
encryption_passcommand = "${pkgs.coreutils}/bin/cat ${config.sops.secrets."borg/passphrase".path}";
compression = "lz4";
};
retention = {
keep_daily = 7;
keep_weekly = 4;
keep_monthly = 12;
keep_yearly = 3;
fileSystems."/mnt/pool" =
{
device = "/dev/disk/by-uuid/16b0bd14-1b07-477d-a20d-982f9467f6df";
fsType = "btrfs";
options = [ "compress=zstd" "noatime" ];
};
services.btrbk = {
instances."nuc-to-disk".settings = {
snapshot_preserve = "14d";
snapshot_preserve_min = "2d";
target_preserve = "30d 4w 12m";
target_preserve_min = "2d";
volume = {
"/mnt/pool" = {
subvolume = {
log = {
snapshot_create = "always";
};
lib = {
snapshot_create = "always";
};
};
target = "/mnt/backup/nuc";
};
};
};
};