Add prometheus-slurm-exporter package

pkgs/overlay.nix

@@ -32,4 +32,6 @@ final: prev:
     lua = prev.lua5_4;
     fmt = prev.fmt_8;
   }) ceph ceph-client;
+
+  prometheus-slurm-exporter = prev.callPackage ./slurm-exporter.nix { };
 }

pkgs/slurm-exporter.nix

@@ -0,0 +1,22 @@
+{ buildGoModule, fetchFromGitHub, lib }:
+
+buildGoModule rec {
+  pname = "prometheus-slurm-exporter";
+  version = "0.20";
+
+  src = fetchFromGitHub {
+    rev = version;
+    owner = "vpenso";
+    repo = pname;
+    sha256 = "sha256-KS9LoDuLQFq3KoKpHd8vg1jw20YCNRJNJrnBnu5vxvs=";
+  };
+
+  vendorSha256 = "sha256-A1dd9T9SIEHDCiVT2UwV6T02BSLh9ej6LC/2l54hgwI=";
+  doCheck = false;
+
+  meta = with lib; {
+    description = "Prometheus SLURM Exporter";
+    homepage = "https://github.com/vpenso/prometheus-slurm-exporter";
+    platforms = platforms.linux;
+  };
+}