From b57b2293cacd37960e6671cb9a65b9bfc7e94203 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Felix=20Schr=C3=B6ter?= <dev@felschr.com>
Date: Wed, 11 May 2022 19:02:41 +0200
Subject: [PATCH] feat(restic): limit resource usage

---
 modules/restic.nix         | 19 +++++++++++++++++++
 services/restic/common.nix |  2 ++
 2 files changed, 21 insertions(+)
 create mode 100644 modules/restic.nix

diff --git a/modules/restic.nix b/modules/restic.nix
new file mode 100644
index 0000000..2c5dbad
--- /dev/null
+++ b/modules/restic.nix
@@ -0,0 +1,19 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+{
+  config = {
+    systemd.services = mapAttrs' (name: backup:
+      nameValuePair "restic-backups-${name}" ({
+        serviceConfig = {
+          CPUWeight = 25;
+          MemoryHigh = "50%";
+          MemoryMax = "75%";
+          IOWeight = 50;
+          IOSchedulingClass = "idle";
+          IOSchedulingPriority = 7;
+        };
+      })) config.services.restic.backups;
+  };
+}
diff --git a/services/restic/common.nix b/services/restic/common.nix
index 04fa699..edf187d 100644
--- a/services/restic/common.nix
+++ b/services/restic/common.nix
@@ -1,6 +1,8 @@
 { config, pkgs, lib, ... }:
 
 {
+  imports = [ ../../modules/restic.nix ];
+
   age.secrets.restic-b2.file = ../../secrets/restic/b2.age;
   age.secrets.restic-password.file = ../../secrets/restic/password.age;
 }