From d1574001c1a549f6c3ba8f16b4216c4128a807a0 Mon Sep 17 00:00:00 2001
From: Andreas Zweili <andreas@zweili.ch>
Date: Wed, 17 Aug 2022 20:26:46 +0200
Subject: [PATCH] Add log-to-ram module

---
 modules/log-to-ram/default.nix | 10 ++++++++++
 systems/raspi4/default.nix     |  1 +
 2 files changed, 11 insertions(+)
 create mode 100644 modules/log-to-ram/default.nix

diff --git a/modules/log-to-ram/default.nix b/modules/log-to-ram/default.nix
new file mode 100644
index 0000000..0cf67a7
--- /dev/null
+++ b/modules/log-to-ram/default.nix
@@ -0,0 +1,10 @@
+{ pkgs, ... }:
+{
+  fileSystems."/tmp/log " = {
+    fsType = "tmpfs";
+    options = [ "size=512M" ];
+  };
+  services.journald.extraConfig = ''
+    SystemMaxUse=300M
+  '';
+}
diff --git a/systems/raspi4/default.nix b/systems/raspi4/default.nix
index a57e06c..cb6591e 100644
--- a/systems/raspi4/default.nix
+++ b/systems/raspi4/default.nix
@@ -2,6 +2,7 @@
 {
   imports = [
     inputs.nixos-hardware.nixosModules.raspberry-pi-4
+    "${inputs.self}/modules/log-to-ram"
     "${inputs.self}/modules/ntp"
     "${inputs.self}/modules/syslog"
   ];