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Kopatz
2024-05-09 20:25:20 +02:00
parent 4b3443fab9
commit a320b2e6a5
4 changed files with 25 additions and 20 deletions
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109
modules/misc/backup.nix Normal file
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@@ -0,0 +1,109 @@
{ config, pkgs, lib, inputs, ... }:
with lib;
let
cfg = config.custom.misc.backup;
in
{
options.custom.misc.backup = {
enable = mkEnableOption "Enables backup";
};
config = let
kavita = "/mnt/1tbssd/kavita";
gitolite = "/var/lib/gitolite";
syncthing = [ "/synced/default/" "/synced/work_drive/" ];
syncthingFull = syncthing ++ [ "/synced/fh/" "/synced/books/" ];
excludePaths = [ "/home/**/Cache" "/home/**/.cache" "/home/**/__pycache__" "/home/**/node_modules" "/home/**/venv" ];
excludePathsRemote = excludePaths ++ [ "/home/**/dont_remotebackup" ];
backupPathsSmall = [ "/home" "/var/backup/postgresql" gitolite ] ++ syncthing;
backupPathsMedium = [ "/home" "/var/backup/postgresql" "/mnt/250ssd/matrix-synapse/media_store/" "/mnt/250ssd/paperless" gitolite ] ++ syncthing;
backupPathsFull = [ "/home" "/var/backup/postgresql" "/mnt/250ssd/matrix-synapse/media_store/" "/mnt/250ssd/paperless" kavita gitolite ] ++ syncthingFull;
checkStorageSpace = pkgs.writeShellApplication {
name = "checkBackupStorageSpace";
text = ''
# Check how much space is used by the backup paths
echo "Checking storage space (small) with excluded paths..."
du -sch ${builtins.concatStringsSep " " (map (x: "--exclude=" + x) excludePaths)} ${builtins.concatStringsSep " " backupPathsSmall}
echo "Checking storage space (small) with excluded paths (remote)..."
du -sch ${builtins.concatStringsSep " " (map (x: "--exclude=" + x) excludePathsRemote)} ${builtins.concatStringsSep " " backupPathsSmall}
echo "Checking storage space (medium) with excluded paths..."
du -sch ${builtins.concatStringsSep " " (map (x: "--exclude=" + x) excludePaths)} ${builtins.concatStringsSep " " backupPathsMedium}
echo "Checking storage space (medium) with excluded paths (remote)..."
du -sch ${builtins.concatStringsSep " " (map (x: "--exclude=" + x) excludePathsRemote)} ${builtins.concatStringsSep " " backupPathsMedium}
echo "Checking storage space (full) with excluded paths..."
du -sch ${builtins.concatStringsSep " " (map (x: "--exclude=" + x) excludePaths)} ${builtins.concatStringsSep " " backupPathsFull}
echo "Checking storage space (full) with excluded paths (remote)..."
du -sch ${builtins.concatStringsSep " " (map (x: "--exclude=" + x) excludePathsRemote)} ${builtins.concatStringsSep " " backupPathsFull}
'';
};
in mkIf cfg.enable {
environment.systemPackages = with pkgs; [ checkStorageSpace ];
age.secrets.restic-pw = {
file = ../secrets/restic-pw.age;
};
age.secrets.restic-s3 = {
file = ../secrets/restic-s3.age;
};
age.secrets.restic-gdrive = {
file = ../secrets/restic-gdrive.age;
};
services.restic = {
backups = {
localbackup = {
initialize = true;
passwordFile = config.age.secrets.restic-pw.path;
exclude = excludePaths;
paths = backupPathsFull;
pruneOpts = [ "--keep-daily 7" "--keep-weekly 3" "--keep-monthly 3" "--keep-yearly 3" ];
repository = "/mnt/2tb/restic";
};
localbackup-1tb-ssd = {
initialize = true;
passwordFile = config.age.secrets.restic-pw.path;
exclude = excludePaths;
paths = backupPathsFull;
pruneOpts = [ "--keep-daily 7" "--keep-weekly 3" "--keep-monthly 3" "--keep-yearly 3" ];
repository = "/mnt/1tbssd/restic";
};
localbackup-1tb = {
initialize = true;
passwordFile = config.age.secrets.restic-pw.path;
exclude = excludePaths;
paths = backupPathsFull;
repository = "/mnt/1tb/restic";
pruneOpts = [ "--keep-daily 5" "--keep-weekly 3" "--keep-monthly 3" "--keep-yearly 3" ];
timerConfig = {
OnCalendar = "*-*-03,06,09,12,15,18,21,24,27,30 02:00:00";
Persistent = true;
};
};
remotebackup-gdrive = {
initialize = true;
passwordFile = config.age.secrets.restic-pw.path;
exclude = excludePathsRemote;
paths = backupPathsMedium;
rcloneConfigFile = config.age.secrets.restic-gdrive.path;
repository = "rclone:it-experts:backup";
pruneOpts = [ "--keep-daily 5" "--keep-weekly 3" "--keep-monthly 3" "--keep-yearly 3" ];
timerConfig = {
OnCalendar = "*-*-03,06,09,12,15,18,21,24,27,30 02:00:00";
Persistent = true;
};
};
remotebackup = {
initialize = true;
passwordFile = config.age.secrets.restic-pw.path;
environmentFile = config.age.secrets.restic-s3.path;
exclude = excludePathsRemote;
paths = backupPathsSmall;
pruneOpts = [ "--keep-daily 5" "--keep-weekly 3" "--keep-monthly 3" "--keep-yearly 3" ];
timerConfig = {
OnCalendar = "*-*-03,06,09,12,15,18,21,24,27,30 00:00:00";
Persistent = true;
};
repository = "s3:s3.us-west-002.backblazeb2.com/kop-bucket";
};
};
};
};
}

1
modules/misc/default.nix
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@@ -1,6 +1,7 @@
{ pkgs, config, ...}:
{
imports = [
./backup.nix
./wireshark.nix
./virt-manager.nix
./nftables.nix