From 71b07da0f26b84f16ee3c326f40c7ca9fac3ed04 Mon Sep 17 00:00:00 2001
From: Manuel de Brito Fontes <aledbf@gmail.com>
Date: Sun, 27 May 2018 19:51:07 -0400
Subject: [PATCH] Print information about NGINX version

---
 cmd/nginx/main.go  |  2 ++
 cmd/nginx/nginx.go | 37 +++++++++++++++++++++++++++++++++++++
 2 files changed, 39 insertions(+)
 create mode 100644 cmd/nginx/nginx.go

diff --git a/cmd/nginx/main.go b/cmd/nginx/main.go
index 933a84448..446ba239d 100644
--- a/cmd/nginx/main.go
+++ b/cmd/nginx/main.go
@@ -59,6 +59,8 @@ func main() {
 		glog.Fatal(err)
 	}
 
+	nginxVersion()
+
 	fs, err := file.NewLocalFS()
 	if err != nil {
 		glog.Fatal(err)
diff --git a/cmd/nginx/nginx.go b/cmd/nginx/nginx.go
new file mode 100644
index 000000000..7f4983a10
--- /dev/null
+++ b/cmd/nginx/nginx.go
@@ -0,0 +1,37 @@
+/*
+Copyright 2018 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package main
+
+import (
+	"os"
+	"os/exec"
+
+	"github.com/golang/glog"
+)
+
+func nginxVersion() {
+	flag := "-v"
+
+	if glog.V(2) {
+		flag = "-V"
+	}
+
+	cmd := exec.Command("nginx", flag)
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+	cmd.Run()
+}