pg_exporter: init at 1.4.0

pkgs/by-name/pg/pg_exporter/package.nix

@@ -0,0 +1,39 @@
+{
+  lib,
+  stdenv,
+  buildGoModule,
+  fetchFromGitHub,
+  nix-update-script,
+  versionCheckHook,
+}:
+buildGoModule (finalAttrs: {
+  pname = "pg_exporter";
+  version = "1.4.0";
+  __structuredAttrs = true;
+
+  src = fetchFromGitHub {
+    owner = "pgsty";
+    repo = "pg_exporter";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-HDXs4yUeFmdITQATIxg6uRXHlgmA6yy1hA9Zasvk/zs=";
+  };
+
+  vendorHash = "sha256-XYgRwYKar/sqMCSnJ865FsM55mCVanbXrZ6aTf6Ksvc=";
+
+  env.CGO_ENABLED = 0;
+
+  ldflags = [ "-s" ];
+
+  nativeInstallCheckInputs = [ versionCheckHook ];
+
+  passthru.updateScript = nix-update-script { };
+
+  meta = {
+    description = "Advanced PostgreSQL & Pgbouncer Metrics Exporter for Prometheus";
+    homepage = "https://pigsty.io/docs/pg_exporter";
+    changelog = "https://github.com/pgsty/pg_exporter/releases/tag/v${finalAttrs.version}";
+    license = lib.licenses.asl20;
+    mainProgram = "pg_exporter";
+    maintainers = [ lib.maintainers.bengsparks ];
+  };
+})