From 3da04e80aebd661f0f6e38103283a8003f01fedf Mon Sep 17 00:00:00 2001
From: Gonne Kretschmer <gonne.kretschmer@stud.tu-darmstadt.de>
Date: Fri, 3 Nov 2023 16:39:28 +0100
Subject: [PATCH] Setup Impermanence

---
 nixos/roles/prometheusNodeExporter.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/nixos/roles/prometheusNodeExporter.nix b/nixos/roles/prometheusNodeExporter.nix
index e717411..749c6f4 100644
--- a/nixos/roles/prometheusNodeExporter.nix
+++ b/nixos/roles/prometheusNodeExporter.nix
@@ -1,3 +1,4 @@
+{config, ...}:
 {
   imports = [ ];
   services.prometheus.exporters.node = {
@@ -33,4 +34,5 @@
     ];
   };
   networking.firewall.allowedTCPPorts = [ 9100 ];
+  environment.persistence.${config.impermanence.name}.directories = [ "/var/lib/${config.services.prometheus.stateDir}" ];
 }