organize

services/llama-cpp/llama-cpp-xmrig-pause.nix

@@ -0,0 +1,35 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+lib.mkIf config.services.llama-cpp.enable {
+  systemd.services.llama-cpp-xmrig-pause = {
+    description = "Pause xmrig while llama-cpp is processing requests";
+    after = [
+      "llama-cpp.service"
+      "xmrig.service"
+    ];
+    wantedBy = [ "multi-user.target" ];
+    serviceConfig = {
+      ExecStart = "${pkgs.python3}/bin/python3 ${./llama-cpp-xmrig-pause.py}";
+      Restart = "always";
+      RestartSec = "10s";
+      # Needs /proc access (default) and AF_UNIX for systemctl
+      NoNewPrivileges = true;
+      ProtectHome = true;
+      ProtectSystem = "strict";
+      PrivateTmp = true;
+      RestrictAddressFamilies = [
+        "AF_UNIX" # systemctl talks to systemd over D-Bus unix socket
+      ];
+      MemoryDenyWriteExecute = true;
+    };
+    environment = {
+      POLL_INTERVAL = "3";
+      GRACE_PERIOD = "10";
+      CPU_THRESHOLD = "50";
+    };
+  };
+}