motiejus
/
config
1
Fork 0
Code Packages Releases Activity

zfsborg: mount the tmpfs on all units

This commit is contained in:
Motiejus Jakštys 2023-09-15 09:55:26 +03:00
parent 317141fefb
commit 30426ad89e
1 changed files with 3 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
modules/base/zfsborg/default.nix
View File

@ -5,14 +5,8 @@
...
}: let
mountLatest = mountpoint: zfs_name: ''
set -euo pipefail
${pkgs.util-linux}/bin/umount ${mountpoint}/.snapshot-latest &>/dev/null || :
mkdir -p ${mountpoint}/.snapshot-latest
${pkgs.util-linux}/bin/mount -t zfs -o ro $(${pkgs.zfs}/bin/zfs list -H -t snapshot -o name ${zfs_name} | sort | tail -1) ${mountpoint}/.snapshot-latest
'';
umountLatest = mountpoint: ''
exec ${pkgs.util-linux}/bin/umount ${mountpoint}/.snapshot-latest
set -x
exec ${pkgs.util-linux}/bin/mount -t zfs -o ro $(${pkgs.zfs}/bin/zfs list -H -t snapshot -o name ${zfs_name} | sort | tail -1) ${mountpoint}/.snapshot-latest
'';
in {
options.mj.base.zfsborg = with lib.types; {
@ -46,7 +40,7 @@ in {
config = with config.mj.base.zfsborg;
lib.mkIf enable {
systemd.services =
lib.listToAttrs (lib.imap1 (
lib.listToAttrs (lib.imap0 (
i: attr:
lib.nameValuePair "borgbackup-job-${lib.strings.sanitizeDerivationName attr.mountpoint}-${toString i}" {
serviceConfig.TemporaryFileSystem = "${attr.mountpoint}/.snapshot-latest";
@ -94,7 +88,6 @@ in {
compression = "auto,lzma";
startAt = attrs.backup_at;
preHook = mountLatest mountpoint fs.device;
postHook = umountLatest mountpoint;
prune.keep = {
within = "1d";
daily = 7;