hosts/patate/backup.nix

   1 { pkgs, lib, config, hostName, ... }:
   2 with builtins;
   3 {
   4 imports = [
   5   backup/zfs-backup.nix
   6   backup/rsync-backup.nix
   7 ];
   8 # Take regular snapshots, and prune old ones
   9 services.sanoid = {
  10   enable = true;
  11   extraArgs = [ "--verbose" ];
  12   datasets = {
  13     "${hostName}/home" = {
  14       autosnap = true;
  15       autoprune = true;
  16       hourly = 12;
  17       daily = 3;
  18       monthly = 0;
  19       yearly = 0;
  20       recursive = true;
  21     };
  22     "${hostName}/home/Downloads" = {
  23       autosnap = false;
  24       autoprune = false;
  25     };
  26     "${hostName}/home/Videos" = {
  27       autosnap = false;
  28       autoprune = false;
  29     };
  30   };
  31 };
  32 # Trigger backups when disks are plugged
  33 services.udev.extraRules = ''
  34   ACTION=="add",    SUBSYSTEM=="block", KERNEL=="sd*", ENV{ID_SERIAL}=="WDC_WD10JPVT-22A1YT0_WD-WX21AC2F3987", ENV{SYSTEMD_WANTS}+="zfs-local-backup-home@WD10JPVT.service", ENV{SYSTEMD_ALIAS}="/sys/subsystem/usb/WD10JPVT"
  35   # See https://github.com/systemd/systemd/issues/7587#issuecomment-381428545
  36   ACTION=="remove", SUBSYSTEM=="block", KERNEL=="sd*", ENV{ID_SERIAL}=="WDC_WD10JPVT-22A1YT0_WD-WX21AC2F3987", TAG+="systemd"
  37
  38   ACTION=="add",    SUBSYSTEM=="block", KERNEL=="sd*", ENV{ID_FS_LABEL}=="GE_SP", ENV{SYSTEMD_USER_WANTS}+="rsync-backup@GE_SP.service", ENV{SYSTEMD_ALIAS}="/sys/subsystem/usb/GE_SP"
  39   ACTION=="remove", SUBSYSTEM=="block", KERNEL=="sd*", ENV{ID_FS_LABEL}=="GE_SP", TAG+="systemd"
  40 '';
  41 programs.bash.shellAliases = {
  42   mount-backup-WD10JPVT = "mount-zfs-backup WD10JPVT";
  43 };
  44 }