kubergrunt: init at 0.7.11

This is a helper utility which allows to configure EKS clusters etc.

Tested it locally on a NixOS machine:

``` shellsession
❯ kubergrunt help
Usage: kubergrunt [--loglevel] [--help] command [options] [args]

A CLI tool to help setup and manage a Kubernetes cluster.

Commands:

   eks      Helper commands to configure EKS.
   k8s      Helper scripts for managing Kubernetes resources directly.
   tls      Helper commands to manage TLS certificate key pairs as Kubernetes Secrets.
   help, h  Shows a list of commands or help for one command
```

pkgs/applications/networking/cluster/kubergrunt/default.nix

@@ -0,0 +1,33 @@
+{ buildGoModule, lib, fetchFromGitHub }:
+
+buildGoModule rec {
+  pname = "kubergrunt";
+  version = "0.7.11";
+
+  src = fetchFromGitHub {
+    owner = "gruntwork-io";
+    repo = "kubergrunt";
+    rev = "v${version}";
+    sha256 = "1224ssqdz9ak0vylyfbr9c2w0yfdp4hw9jh99qmfi2j5nhw9kzcc";
+  };
+
+  vendorSha256 = "1hbb3hn8mzz9h9p1rl35izz3l6c2rqsg8aq6dgpbpsf5krp3zs3v";
+
+  # Disable tests since it requires network access and relies on the
+  # presence of certain AWS infrastructure
+  doCheck = false;
+
+  runVend = true;
+
+  postInstall = ''
+    # The binary is named kubergrunt
+    mv $out/bin/cmd $out/bin/kubergrunt
+  '';
+
+  meta = with lib; {
+    description = "Collection of commands to fill in the gaps between Terraform, Helm, and Kubectl";
+    homepage = "https://github.com/gruntwork-io/kubergrunt";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ psibi ];
+  };
+}

pkgs/top-level/all-packages.nix

@@ -6906,6 +6906,8 @@ with pkgs;
 
   kubepug = callPackage ../development/tools/kubepug { };
 
+  kubergrunt = callPackage ../applications/networking/cluster/kubergrunt { };
+
   kwalletcli = libsForQt5.callPackage ../tools/security/kwalletcli { };
 
   peruse = libsForQt5.callPackage ../tools/misc/peruse { };