From 5fd87acd57d1a3b90988317fdd631e90b440032d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sandro=20J=C3=A4ckel?= <sandro.jaeckel@gmail.com>
Date: Wed, 17 May 2023 19:05:53 +0200
Subject: [PATCH] backup: start pg dump before restic backup

---
 modules/backup.nix | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/modules/backup.nix b/modules/backup.nix
index 2ef0b39a..613e2e98 100644
--- a/modules/backup.nix
+++ b/modules/backup.nix
@@ -9,7 +9,7 @@
         compression = "zstd";
         compressionLevel = 9;
         pgdumpOptions = "--create --clean";
-        startAt = "*-*-* 06:00:00";
+        startAt = "*-*-* 04:00:00";
       };
 
       restic.backups =
@@ -24,6 +24,10 @@
               "--keep-weekly 4"
               "--keep-monthly 12"
             ];
+            timerConfig = {
+              OnCalendar = "*-*-* 04:30:00";
+              RandomizedDelaySec = "5m";
+            };
           };
         in
         {
@@ -35,6 +39,7 @@
           });
         };
     };
+
     sops.secrets = {
       "restic/offsite/private" = {
         mode = "400";
@@ -63,5 +68,9 @@
       ln -fs {,/home}/root/.ssh/id_offsite-backup.pub
       ln -fs {,/home}/root/.ssh/config
     '';
+
+    systemd.timers = lib.mkIf config.services.postgresqlBackup.enable {
+      postgresqlBackup.timerConfig.RandomizedDelaySec = "5m";
+    };
   };
 }