From 3b4f25ead8fc33d11fc627e61f2a13719fb4c600 Mon Sep 17 00:00:00 2001
From: nyanloutre <paul@nyanlout.re>
Date: Tue, 29 Nov 2022 21:45:48 +0100
Subject: [PATCH] fix postgres backup

---
 systems/LoutreOS/services.nix | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/systems/LoutreOS/services.nix b/systems/LoutreOS/services.nix
index bab9d5492..517e54c80 100644
--- a/systems/LoutreOS/services.nix
+++ b/systems/LoutreOS/services.nix
@@ -119,8 +119,7 @@ in
           "/var/lib/gitea"
           "/var/lib/grafana"
           "/var/lib/jackett"
-          "/var/lib/matrix-synapse"
-          "/var/lib/postgresql/.zfs/snapshot/borgsnap"
+          "/mnt/borgsnap/postgresql"
           "/var/lib/radarr"
           "/var/lib/sonarr"
           "/var/lib/transmission"
@@ -130,6 +129,7 @@ in
           "/mnt/paul-home/paul"
           "/var/sieve"
           "/var/vmail"
+          "/mnt/backup_loutre/amandoleen"
         ];
         exclude = [
           "/var/lib/radarr/.config/Radarr/radarr.db-wal"
@@ -147,9 +147,14 @@ in
           weekly = 4;
           monthly = 12;
         };
-        preHook = "${pkgs.zfs}/bin/zfs snapshot loutrepool/var/postgresql@borgsnap";
+        preHook = ''
+          ${pkgs.zfs}/bin/zfs snapshot loutrepool/var/postgresql@borgsnap
+          mkdir -p /mnt/borgsnap/postgresql
+          ${config.security.wrapperDir}/mount -t zfs loutrepool/var/postgresql@borgsnap /mnt/borgsnap/postgresql
+        '';
         readWritePaths = [ "/var/lib/postfix/queue/maildrop" ];
         postHook = ''
+          ${config.security.wrapperDir}/umount /mnt/borgsnap/postgresql
           ${pkgs.zfs}/bin/zfs destroy loutrepool/var/postgresql@borgsnap
         '';
       };
@@ -537,6 +542,8 @@ in
     };
   };
 
+  systemd.services."borgbackup-job-loutre".serviceConfig.TemporaryFileSystem = ["/mnt/borgsnap"];
+
   dogetipbot-telegram.enable = true;
 
   ipmihddtemp.enable = true;