Merge pull request 'cpu-fix' (#21) from cpu-fix into main

Reviewed-on: #21

modules/flake-module.nix

@@ -2,6 +2,7 @@
   flake.nixosModules = {
     server.imports = [
       inputs.srvos.nixosModules.server
+      inputs.srvos.nixosModules.mixins-telegraf
       inputs.sops-nix.nixosModules.default
     ];
 

modules/hetzner-ex101.nix

@@ -9,24 +9,5 @@
   # We are not limited by zfs, so we can use the latest kernel
   boot.kernelPackages = pkgs.linuxPackages_latest;
 
-  # looks like the Intel i9-13900 draws too much power and crashes the system
-  systemd.services.limit-cpu-freq = {
-    description = "Limit CPU frequency to 4.2GHz";
-    wantedBy = [ "multi-user.target" ];
-    after = [ "systemd-modules-load.service" ];
-    # Some cores do have a scaling max freq less than 5GHz, so we need to
-    # check for that or else all cores will run at 800MHz
-    script = ''
-      #!/bin/sh
-      for f in /sys/devices/system/cpu/cpu*/cpufreq/scaling_max_freq; do
-        old_val="$(<"$f")"
-        if [[ "$old_val" -gt 4200000 ]]; then
-          echo 4200000 > "$f"
-        fi
-      done
-    '';
-    serviceConfig = {
-      Type = "oneshot";
-    };
-  };
+  powerManagement.cpuFreqGovernor = "powersave";
 }

targets/web01/reboot.sh

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+
+
+HOST=clan.lol
+SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
+ssh "root@$HOST" reboot
+# wait till shutdown
+while ping -4 -W 1 -c 1 "$HOST"; do
+  sleep 1
+done
+
+"$SCRIPT_DIR/decrypt.sh"