-{ pkgs, lib, config, hostName, ... }:
+{ pkgs, hostName, ... }:
with builtins;
{
-# Take regular snapshots, and prune old ones
-services.sanoid = {
- enable = true;
- extraArgs = [ "--verbose" ];
- datasets = {
- "${hostName}/home" = {
- autosnap = true;
- autoprune = true;
- hourly = 12;
- daily = 0;
- monthly = 0;
- yearly = 0;
- recursive = true;
+ imports = [
+ backup/zfs-backup.nix
+ backup/rsync-backup.nix
+ ];
+ # Take regular snapshots, and prune old ones
+ services.sanoid = {
+ enable = true;
+ extraArgs = [ "--verbose" ];
+ datasets = {
+ "${hostName}/home" = {
+ autosnap = true;
+ autoprune = true;
+ hourly = 24;
+ daily = 3;
+ monthly = 0;
+ yearly = 0;
+ recursive = true;
+ };
+ "${hostName}/home/Documents" = {
+ autosnap = true;
+ autoprune = true;
+ hourly = 24;
+ daily = 31;
+ monthly = 0;
+ yearly = 0;
+ recursive = true;
+ };
+ "${hostName}/home/Downloads" = {
+ autosnap = false;
+ autoprune = false;
+ };
+ "${hostName}/home/Videos" = {
+ autosnap = false;
+ autoprune = false;
+ };
};
- "${hostName}/home/Documents" = {
- autosnap = true;
- autoprune = true;
- hourly = 12;
- daily = 31;
- monthly = 0;
- yearly = 0;
- recursive = true;
- };
- };
-};
-# Trigger backups when disks are plugged
-services.udev.extraRules = ''
- 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"
- # See https://github.com/systemd/systemd/issues/7587#issuecomment-381428545
- ACTION=="remove", SUBSYSTEM=="block", KERNEL=="sd*", ENV{ID_SERIAL}=="WDC_WD10JPVT-22A1YT0_WD-WX21AC2F3987", TAG+="systemd"
-'';
-# Force zpool import, even if the disk has not been exported, or has been imported on another computer
-systemd.services."zfs-force-import@" = {
- description = "ZFS force import: %I";
- unitConfig.StopWhenUnneeded = true;
- requires = [ "sys-subsystem-usb-%i.device" ];
- serviceConfig = {
- Type = "oneshot";
- RemainAfterExit = true;
- PrivateTmp = true;
- ExecStartPre = [
- # Scan the zpools, using stable paths
- "/bin/sh -xc '/run/booted-system/sw/bin/zpool import -d /dev/disk/by-id/ || true'"
- ];
- ExecStart = ''
- /bin/sh -xc ' \
- /run/booted-system/sw/bin/zpool import -lFd /dev/disk/by-id/ %I || \
- /run/booted-system/sw/bin/zpool reopen %I || \
- /run/booted-system/sw/bin/zpool clear -nFX %I'
- '';
- ExecStartPost = [
- # Do not block on unplug/failure
- "/run/booted-system/sw/bin/zpool set failmode=continue %I"
- ];
};
-};
-# Run the backup
-systemd.services."zfs-local-backup-home@" = {
- description = "ZFS backup home, on: %I";
- after = [ "zfs-force-import@%i.service" ];
- requires = [ "zfs-force-import@%i.service" ];
- serviceConfig = rec {
- Type = "oneshot";
- RemainAfterExit = true;
- PrivateTmp = true;
- CacheDirectory = [ "zfs-usb-backup-%I" ];
- RuntimeDirectory = [ "zfs-usb-backup-%I" ];
- User = "sevy";
- Group = "users";
- ExecStartPre = [
- "+/run/booted-system/sw/bin/zfs allow ${User} bookmark,hold,mount,send ${hostName}/home"
- "+/run/booted-system/sw/bin/zfs allow ${User} bookmark,create,destroy,load-key,mount,mountpoint,receive,rollback,snapshot %I/${User}"
- "+/bin/sh -xc '/run/booted-system/sw/bin/zpool scrub -p %I || true'"
- ];
- ExecStart = pkgs.writeShellScript "zfs-local-backup-home" ''
- set -eu
- DESTPOOL=$1
- install -D -m 400 /dev/stdin /tmp/sanoid/sanoid.conf <<EOF
- [template_remote]
- autoprune=true
- autosnap=false
- process_children_only=false
-
- [$DESTPOOL/${User}/backup/${hostName}/home]
- daily=31
- monthly=0
- recursive=true
- use_template=remote
- EOF
- set -x
- ${pkgs.sanoid}/bin/sanoid \
- --cache-dir /var/cache/zfs-usb-backup-"$DESTPOOL" \
- --configdir /tmp/sanoid \
- --prune-snapshots \
- --run-dir /run/zfs-usb-backup-"$DESTPOOL" \
- --verbose
+ # Trigger backups when disks are plugged
+ services.udev.extraRules = ''
+ SUBSYSTEM=="block", KERNEL=="sd*", ENV{ID_SERIAL}=="WDC_WD10JPVT-22A1YT0_WD-WX21AC2F3987", \
+ ACTION=="add", ENV{SYSTEMD_WANTS}+="zfs-local-backup-home@WD10JPVT.service"
+ # See https://github.com/systemd/systemd/issues/7587#issuecomment-381428545
+ SUBSYSTEM=="block", KERNEL=="sd*", ENV{ID_SERIAL}=="WDC_WD10JPVT-22A1YT0_WD-WX21AC2F3987", \
+ ACTION=="remove", RUN+="${pkgs.systemd}/bin/systemctl stop --no-block zfs-local-backup-home@WD10JPVT.service"
- for dataset in ${hostName}/home; do
- ${pkgs.sanoid}/bin/syncoid \
- --create-bookmark \
- --exclude "home/Downloads" \
- --exclude "home/Videos" \
- --force-delete \
- --no-privilege-elevation \
- --no-sync-snap \
- --recursive \
- --recvoptions "" \
- --sendoptions raw \
- --skip-parent \
- "$dataset" \
- "$DESTPOOL"/${User}/backup/"$dataset"
- done
- '' + " %I";
- ExecStartPost = [
- # Scrub the zpool 1 minute (in the background)
- "+/run/booted-system/sw/bin/zpool scrub %I"
- "${pkgs.coreutils}/bin/sleep 60"
- "+/bin/sh -xc '/run/booted-system/sw/bin/zpool scrub -p %I || true'"
- # Export the zpool (to avoid a forced import later on)
- "+/run/booted-system/sw/bin/zpool export %I"
- ];
+ SUBSYSTEM=="block", KERNEL=="sd*", ENV{ID_FS_LABEL}=="GE_SP", \
+ ACTION=="add", ENV{SYSTEMD_USER_WANTS}+="rsync-backup@GE_SP.service"
+ SUBSYSTEM=="block", KERNEL=="sd*", ENV{ID_FS_LABEL}=="GE_SP", \
+ ACTION=="remove", RUN+="${pkgs.systemd}/bin/systemctl stop --no-block zfs-import@off3.service"
+ '';
+ programs.bash.shellAliases = {
+ mount-backup-WD10JPVT = "mount-zfs-backup WD10JPVT";
};
-};
}
sourcephile / git / julm / julm-nix.git / blobdiff