From dd01dc72a8f495f8880ec936cd3e00a13cb3f8a1 Mon Sep 17 00:00:00 2001
From: Simon Bruder <simon@sbruder.de>
Date: Sat, 17 Oct 2020 09:58:44 +0200
Subject: [PATCH] restic: Set nice and ionice

---
 modules/restic.nix | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/modules/restic.nix b/modules/restic.nix
index d13f0cf..a08c0f7 100644
--- a/modules/restic.nix
+++ b/modules/restic.nix
@@ -1,5 +1,6 @@
 { pkgs, config, lib, ... }:
 let
+  name = "${config.networking.hostName}-system";
   excludes = [
     # General
     "/home/*/Downloads/"
@@ -41,7 +42,7 @@ let
   maybePath = path: (lib.optional (builtins.pathExists path) (toString path));
 in
 {
-  services.restic.backups."${config.networking.hostName}-system" = {
+  services.restic.backups."${name}" = {
     passwordFile = toString (../secrets/restic_password);
     s3CredentialsFile = toString ../secrets/s3_credentials;
     repository = "s3:https://s3.eu-central-1.wasabisys.com/sbruder-restic";
@@ -63,4 +64,10 @@ in
       RandomizedDelaySec = "2h";
     };
   };
+
+  systemd.services."restic-backups-${name}".serviceConfig = {
+    "Nice" = 10;
+    "IOSchedulingClass" = "best-effort";
+    "IOSchedulingPriority" = 7;
+  };
 }