node-problem-detector: init at 0.8.1

Package is missing, built from Golang sources on GitHub.

pkgs/applications/networking/cluster/node-problem-detector/default.nix

@@ -0,0 +1,50 @@
+{ stdenv, buildGoModule, fetchFromGitHub, systemd }:
+
+buildGoModule rec {
+  pname = "node-problem-detector";
+  version = "0.8.1";
+
+  src = fetchFromGitHub {
+    owner = "kubernetes";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "02avknglmkr9k933a64hkw0rjfxvyh4sc3x70p41b8q2g6vzv2gs";
+  };
+
+  # Project upstream recommends building through vendoring
+  overrideModAttrs = (_: {
+    buildCommand = ''
+      echo "Skipping go.mod, using vendoring instead." && touch $out
+    '';
+  });
+
+  modSha256 = "0ip26j2h11n1kgkz36rl4akv694yz65hr72q4kv4b3lxcbi65b3p";
+
+  # Optionally, a log counter binary can be created to parse journald logs.
+  # The binary is dynamically linked against systemd libraries, making it a
+  # Linux-only feature. See 'ENABLE_JOURNALD' upstream:
+  # https://github.com/kubernetes/node-problem-detector/blob/master/Makefile
+  subPackages = [ "cmd/nodeproblemdetector" ] ++
+    stdenv.lib.optionals stdenv.isLinux [ "cmd/logcounter" ];
+
+  preBuild = ''
+    export CGO_ENABLED=${if stdenv.isLinux then "1" else "0"}
+  '';
+
+  buildInputs = stdenv.lib.optionals stdenv.isLinux [ systemd ];
+
+  buildFlags = "-mod vendor" +
+    stdenv.lib.optionalString stdenv.isLinux " -tags journald";
+
+  buildFlagsArray = [
+    "-ldflags="
+    "-X k8s.io/${pname}/pkg/version.version=v${version}"
+  ];
+
+  meta = with stdenv.lib; {
+    description = "Various problem detectors running on the Kubernetes nodes";
+    homepage = "https://github.com/kubernetes/node-problem-detector";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ lbpdt ];
+  };
+}