feat: add prometheus-storagebox-exporter

2 files changed, 57 insertions, 0 deletions

diff --git a/nixos/shared/prometheus-storagebox-exporter/default.nix b/nixos/shared/prometheus-storagebox-exporter/default.nix
new file mode 100644
index 0000000..281290f
--- /dev/null
+++ b/nixos/shared/prometheus-storagebox-exporter/default.nix
@@ -0,0 +1,24 @@
+{
+  lib,
+  buildGoModule,
+}:
+let
+  sources = import <top/npins>;
+in
+buildGoModule {
+  pname = "storagebox_exporter";
+  version = sources.prometheus-storagebox-exporter.version;
+  src = sources.prometheus-storagebox-exporter;
+  vendorHash = "sha256-3aBklYmPHELcLG+3sOEDd9qkrJyDrC52LfhOOY/6sOc=";
+
+  meta = with lib; {
+    description = "Modern Prometheus exporter for Hetzner Storage Box with comprehensive metrics";
+    mainProgram = "prometheus-storagebox-exporter";
+    homepage = "https://github.com/crstian19/prometheus-storagebox-exporter";
+    license = licenses.mit;
+  };
+
+  postPatch = ''
+    substituteInPlace go.mod --replace 'go 1.25.5' 'go 1.25.4'
+  '';
+}
diff --git a/nixos/shared/prometheus-storagebox-exporter/service.nix b/nixos/shared/prometheus-storagebox-exporter/service.nix
new file mode 100644
index 0000000..74f0dd1
--- /dev/null
+++ b/nixos/shared/prometheus-storagebox-exporter/service.nix
@@ -0,0 +1,33 @@
+# TODO: submit Christian's storagebox exporter to nixpkgs
+{ config, lib, pkgs, ... }:
+
+let
+  storageboxExporter = pkgs.callPackage ./default.nix {};
+  cfg = config.services.prometheus-storagebox-exporter;
+in
+{
+  options.services.prometheus-storagebox-exporter = {
+    enable = lib.mkEnableOption "storagebox-exporter";
+    port = lib.mkOption {
+      type = lib.types.int;
+    };
+    hetznerTokenFile = lib.mkOption {
+      type = lib.types.path;
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    systemd.services.storagebox-exporter = {
+      serviceConfig = {
+        ExecStart = "${storageboxExporter}/bin/prometheus-storagebox-exporter";
+        DynamicUser = "true";
+        LoadCredential = "hetznerToken:${cfg.hetznerTokenFile}";
+      };
+      environment = {
+        HETZNER_TOKEN_FILE = "%d/hetznerToken";
+        LISTEN_ADDRESS = ":${toString cfg.port}";
+      };
+      wantedBy = ["multi-user.target"];
+    };
+  };
+}