From 5c1cccb8a4cb5bce1bea9110962bc6f2e9188a4a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Motiejus=20Jak=C5=A1tys?= <motiejus@jakstys.lt>
Date: Tue, 5 Sep 2023 14:41:52 +0300
Subject: [PATCH] snmp: from package back to module

---
 flake.nix                                     |  2 --
 hosts/vno1-oh2/configuration.nix              |  8 ++-----
 modules/services/default.nix                  |  1 +
 .../services/snmp_exporter}/README.md         |  0
 modules/services/snmp_exporter/default.nix    | 21 +++++++++++++++++++
 .../services/snmp_exporter}/generator.yml     |  0
 .../services/snmp_exporter}/snmp.yml          |  0
 packages/snmp-yaml/default.nix                | 19 -----------------
 8 files changed, 24 insertions(+), 27 deletions(-)
 rename {packages/snmp-yaml => modules/services/snmp_exporter}/README.md (100%)
 create mode 100644 modules/services/snmp_exporter/default.nix
 rename {packages/snmp-yaml => modules/services/snmp_exporter}/generator.yml (100%)
 rename {packages/snmp-yaml => modules/services/snmp_exporter}/snmp.yml (100%)
 delete mode 100644 packages/snmp-yaml/default.nix

diff --git a/flake.nix b/flake.nix
index 896c720..b3584a9 100644
--- a/flake.nix
+++ b/flake.nix
@@ -173,7 +173,5 @@
         };
 
       formatter = pkgs.alejandra;
-
-      packages.snmp-yaml = pkgs.callPackage ./packages/snmp-yaml {};
     });
 }
diff --git a/hosts/vno1-oh2/configuration.nix b/hosts/vno1-oh2/configuration.nix
index 4e40f14..31b4e72 100644
--- a/hosts/vno1-oh2/configuration.nix
+++ b/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 [
diff --git a/modules/services/default.nix b/modules/services/default.nix
index 98acaaf..0049a35 100644
--- a/modules/services/default.nix
+++ b/modules/services/default.nix
@@ -13,6 +13,7 @@
     ./node_exporter
     ./nsd-acme
     ./postfix
+    ./snmp_exporter
     ./syncthing
     ./zfsunlock
   ];
diff --git a/packages/snmp-yaml/README.md b/modules/services/snmp_exporter/README.md
similarity index 100%
rename from packages/snmp-yaml/README.md
rename to modules/services/snmp_exporter/README.md
diff --git a/modules/services/snmp_exporter/default.nix b/modules/services/snmp_exporter/default.nix
new file mode 100644
index 0000000..2e5ab2c
--- /dev/null
+++ b/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;
+    };
+
+  };
+}
diff --git a/packages/snmp-yaml/generator.yml b/modules/services/snmp_exporter/generator.yml
similarity index 100%
rename from packages/snmp-yaml/generator.yml
rename to modules/services/snmp_exporter/generator.yml
diff --git a/packages/snmp-yaml/snmp.yml b/modules/services/snmp_exporter/snmp.yml
similarity index 100%
rename from packages/snmp-yaml/snmp.yml
rename to modules/services/snmp_exporter/snmp.yml
diff --git a/packages/snmp-yaml/default.nix b/packages/snmp-yaml/default.nix
deleted file mode 100644
index 20d89d6..0000000
--- a/packages/snmp-yaml/default.nix
+++ /dev/null
@@ -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
-  '';
-}