-{ pkgs, lib, hostName, ... }:
+{
+ pkgs,
+ lib,
+ config,
+ hostName,
+ ...
+}:
with builtins;
{
- # Take regular snapshots, and prune old ones
+ systemd.services.sanoid.serviceConfig.SupplementaryGroups = [
+ config.users.groups."disk".name
+ ];
services.sanoid = {
enable = true;
extraArgs = [ "--verbose" ];
daily = 7;
monthly = 0;
yearly = 0;
- recursive = "zfs";
+ recursive = true;
};
- "off2/julm/backup/oignon" = {
+ "${hostName}/root/nix" = {
autosnap = false;
- autoprune = true;
+ };
+ "${hostName}/root/var/cache" = {
+ autosnap = false;
+ };
+ "${hostName}/root/var/log" = {
+ autosnap = false;
+ };
+ "${hostName}/root/home/julm/.cache" = {
+ autosnap = false;
+ };
+ "${hostName}/root/home/julm/.local" = {
hourly = 0;
- daily = 7;
+ daily = 1;
+ };
+ "${hostName}/root/home/julm/.mozilla" = {
+ hourly = 0;
+ daily = 1;
+ };
+ "off2/julm/backup/${hostName}" = {
+ autosnap = false;
+ autoprune = true;
+ hourly = 12;
+ daily = 14;
monthly = 3;
yearly = 0;
- recursive = "zfs";
};
};
};
+
programs.bash.interactiveShellInit = ''
- backup-pumpkin () {
- sudo syncoid --sshkey ~julm/.ssh/id_ed25519 \
- --create-bookmark --no-sync-snap --no-privilege-elevation \
- --sendoptions=Rw --recvoptions=u \
- --exclude pumpkin/root/nix \
- pumpkin/root \
- aubergine.sp:off2/julm/backup/pumpkin
- }
mount-zfs-backup () {
(
set -eux
serviceConfig = {
Type = "simple";
PrivateTmp = true;
- ExecStart = pkgs.writeShellScript "zfs-force-import" ''
- DESTPOOL=$1
- set -eux
- ${pkgs.xterm}/bin/xterm -fg white -bg black -fa Monospace -fs 6 \
- -title "ZFS backup to: $DESTPOOL" -e "journalctl -f -o short \
- -u zfs-force-import@$DESTPOOL \
- -u zfs-local-backup-home@$DESTPOOL"
- '' + " %I";
+ ExecStart =
+ pkgs.writeShellScript "zfs-force-import" ''
+ DESTPOOL=$1
+ set -eux
+ ${pkgs.xterm}/bin/xterm -fg white -bg black -fa Monospace -fs 6 \
+ -title "ZFS backup to: $DESTPOOL" -e "journalctl -f -o short \
+ -u zfs-force-import@$DESTPOOL \
+ -u zfs-local-backup-home@$DESTPOOL"
+ ''
+ + " %I";
};
};
# Force zpool import, even if the disk has not been exported, or has been imported on another computer
PrivateTmp = true;
SyslogIdentifier = "zfs-force-import@%i";
Restart = "on-failure";
- ExecStart = pkgs.writeShellScript "zfs-force-import" ''
- DESTPOOL=$1
- set -eux
- # Import the zpool, using stable paths
- zpool import -d /dev/disk/by-id/ || true
- zpool import -lFd /dev/disk/by-id/ "$DESTPOOL" ||
- zpool reopen "$DESTPOOL" ||
- zpool import -f -d /dev/disk/by-id/ "$DESTPOOL" ||
- zpool clear -nFX "$DESTPOOL"
- '' + " %I";
+ ExecStart =
+ pkgs.writeShellScript "zfs-force-import" ''
+ DESTPOOL=$1
+ set -eux
+ # Import the zpool, using stable paths
+ zpool import -d /dev/disk/by-id/ || true
+ zpool import -lFd /dev/disk/by-id/ "$DESTPOOL" ||
+ zpool reopen "$DESTPOOL" ||
+ zpool import -f -d /dev/disk/by-id/ "$DESTPOOL" ||
+ zpool clear -nFX "$DESTPOOL"
+ ''
+ + " %I";
};
};
# Prune old snapshots on the backup and send new ones
User = "julm";
Group = "users";
SyslogIdentifier = "zfs-local-backup-home@%i";
- ExecStartPre = "+" + pkgs.writeShellScript "zfs-local-backup-home-startPre" ''
- DESTPOOL=$1
- set -eux
- if zpool status "$DESTPOOL"; then
- zfs allow ${User} bookmark,hold,mount,send ${hostName}/home
- zfs allow ${User} bookmark,create,destroy,load-key,mount,mountpoint,receive,rollback,snapshot "$DESTPOOL"/${User}
- zpool scrub -p "$DESTPOOL" || true
- fi
- '' + " %I";
- ExecStart = pkgs.writeShellScript "zfs-local-backup-home" ''
- set -eu
- DESTPOOL=$1
- # sanoid is quite conservative:
- # by setting hourly=24, a snapshot must be >24 hours old
- # and there must been >24 total hourly snapshots,
- # or nothing is pruned.
- install -D -m 400 /dev/stdin /tmp/sanoid/sanoid.conf <<EOF
- [template_remote]
- autoprune=true
- autosnap=false
- process_children_only=false
+ ExecStartPre =
+ "+"
+ + pkgs.writeShellScript "zfs-local-backup-home-startPre" ''
+ DESTPOOL=$1
+ set -eux
+ if zpool status "$DESTPOOL"; then
+ zfs allow ${User} bookmark,hold,mount,send ${hostName}/home
+ zfs allow ${User} bookmark,create,destroy,load-key,mount,mountpoint,receive,rollback,snapshot "$DESTPOOL"/${User}
+ zpool scrub -p "$DESTPOOL" || true
+ fi
+ ''
+ + " %I";
+ ExecStart =
+ pkgs.writeShellScript "zfs-local-backup-home" ''
+ set -eu
+ DESTPOOL=$1
+ # sanoid is quite conservative:
+ # by setting hourly=24, a snapshot must be >24 hours old
+ # and there must been >24 total hourly snapshots,
+ # or nothing is pruned.
+ install -D -m 400 /dev/stdin /tmp/sanoid/sanoid.conf <<EOF
+ [template_remote]
+ autoprune=true
+ autosnap=false
+ process_children_only=false
- [$DESTPOOL/${User}/backup/${hostName}/home]
- hourly=6
- daily=31
- monthly=3
- 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/"$DESTPOOL" \
- --verbose
+ [$DESTPOOL/${User}/backup/${hostName}/home]
+ hourly=6
+ daily=31
+ monthly=3
+ 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
- for dataset in ${hostName}/home; do
- ${pkgs.sanoid}/bin/syncoid \
- --create-bookmark \
- --exclude "home/room" \
- --force-delete \
- --no-privilege-elevation \
- --no-sync-snap \
- --recursive \
- --recvoptions "" \
- --sendoptions raw \
- --skip-parent \
- "$dataset" \
- "$DESTPOOL"/${User}/backup/"$dataset"
- done
- '' + " %I";
- ExecStartPost = "+" + pkgs.writeShellScript "zfs-local-backup-home-startPost" ''
- DESTPOOL=$1
- set -eux
- # Only if the zpool still exists to avoid uninterruptible hanging
- if zpool status -v "$DESTPOOL"; then
- # Scrub the zpool 1 minute (in the background)
- zpool scrub "$DESTPOOL"
- sleep 60
- fi
- while zpool status -v "$DESTPOOL"; do
- zpool scrub -p "$DESTPOOL" || true
- sleep 20
- # Export the zpool (to avoid a forced import later on)
- zpool export "$DESTPOOL" || true
- done
- systemctl --no-block stop zfs-term@"$DESTPOOL"
- '' + " %I";
+ for dataset in ${hostName}/home; do
+ ${pkgs.sanoid}/bin/syncoid \
+ --create-bookmark \
+ --exclude "home/room" \
+ --force-delete \
+ --no-privilege-elevation \
+ --no-sync-snap \
+ --recursive \
+ --recvoptions "" \
+ --sendoptions raw \
+ --skip-parent \
+ "$dataset" \
+ "$DESTPOOL"/${User}/backup/"$dataset"
+ done
+ ''
+ + " %I";
+ ExecStartPost =
+ "+"
+ + pkgs.writeShellScript "zfs-local-backup-home-startPost" ''
+ DESTPOOL=$1
+ set -eux
+ # Only if the zpool still exists to avoid uninterruptible hanging
+ if zpool status -v "$DESTPOOL"; then
+ # Scrub the zpool 1 minute (in the background)
+ zpool scrub "$DESTPOOL"
+ sleep 60
+ fi
+ while zpool status -v "$DESTPOOL"; do
+ zpool scrub -p "$DESTPOOL" || true
+ sleep 20
+ # Export the zpool (to avoid a forced import later on)
+ zpool export "$DESTPOOL" || true
+ done
+ systemctl --no-block stop zfs-term@"$DESTPOOL"
+ ''
+ + " %I";
};
};
programs.bash.shellAliases = {
sourcephile / git / julm / julm-nix.git / blobdiff