snmp: from package back to module

flake.nix

@@ -173,7 +173,5 @@
         };
 
       formatter = pkgs.alejandra;
-
-      packages.snmp-yaml = pkgs.callPackage ./packages/snmp-yaml {};
     });
 }

hosts/vno1-oh2/configuration.nix

@@ -100,6 +100,8 @@
 
       gitea.enable = true;
 
+      snmp_exporter.enable = true;
+
       headscale = {
         enable = true;
         clientOidcPath = config.age.secrets.headscale-client-oidc.path;
@@ -300,12 +302,6 @@
         evaluation_interval = "15s";
       };
 
-      exporters.snmp = {
-        enable = true;
-        listenAddress = "127.0.0.1";
-        configuration = {};
-      };
-
       scrapeConfigs = let
         port = builtins.toString myData.ports.exporters.node;
       in [

modules/services/default.nix

@@ -13,6 +13,7 @@
     ./node_exporter
     ./nsd-acme
     ./postfix
+    ./snmp_exporter
     ./syncthing
     ./zfsunlock
   ];

modules/services/snmp_exporter/default.nix

@@ -0,0 +1,21 @@
+{
+  config,
+  lib,
+  myData,
+  ...
+}: {
+  options.mj.services.snmp_exporter = with lib.types; {
+    enable = lib.mkEnableOption "Enable prometheus snmp_exporter";
+  };
+
+  config = lib.mkIf config.mj.services.snmp_exporter.enable {
+    mj.services.friendlyport.vpn.ports = [config.services.prometheus.exporters.snmp.port];
+
+    services.prometheus.exporters.snmp = {
+      enable = true;
+      listenAddress = "127.0.0.1";
+      configurationPath = ./snmp.yml;
+    };
+
+  };
+}

packages/snmp-yaml/default.nix

@@ -1,19 +0,0 @@
-{
-  stdenv,
-  pkgs,
-  prometheus-snmp-exporter,
-}:
-stdenv.mkDerivation {
-  name = "snmp-yaml";
-  inherit (prometheus-snmp-exporter) version src;
-
-  buildInputs = [prometheus-snmp-exporter];
-
-  buildPhase = ''
-    mkdir -p $out
-    set -x
-    cd $src/generator
-    ${prometheus-snmp-exporter}/bin/generator generate \
-        --output-path=$out/snmp.yml
-  '';
-}