asim/environment.go

## environment.go
package main

import (
	"github.com/gorilla/handlers"
	"github.com/gorilla/mux"
	"net/http"
	"os"
	"strings"
	"text/template"
)

var (
	tmpl = `
<html>
	<body>
	  <center>
		<h1>Hostname: {{.Hostname}}</h1>
		<h3>Request: {{.Request}}</h3>
		<table>
			<thead>
				<th>KEY</th>
				<th>VALUE</th>
			</thead>
			<tbody>
				{{range $k,$v := .Env}}
				<tr>
					<td>{{$k}}</td>
					<td>{{$v}}</td>
				</tr>
				{{end}}
			</tbody>
		</table>
	  </center>
	</body>
</html>
`

	env = map[string]string{}
)

func init() {
	for _, v := range os.Environ() {
		parts := strings.Split(v, "=")
		if len(parts) < 2 {
			continue
		}

		env[parts[0]] = strings.Join(parts[1:], "=")
	}
}

type Data struct {
	Hostname string
	Request  string
	Env      map[string]string
}

func handle(w http.ResponseWriter, r *http.Request) {
	t := template.New("t")
	t, err := t.Parse(tmpl)
	if err != nil {
		w.Write([]byte(err.Error()))
		return
	}

	data := Data{
		Hostname: r.Host,
		Request:  r.RequestURI,
		Env:      env,
	}

	err = t.Execute(w, data)
	if err != nil {
		w.Write([]byte(err.Error()))
		return
	}
}

func main() {
	r := mux.NewRouter()
	r.HandleFunc("/", handle)
	loggedRouter := handlers.CombinedLoggingHandler(os.Stdout, r)
	http.ListenAndServe(":80", loggedRouter)
}
	package main

	import (
	"github.com/gorilla/handlers"
	"github.com/gorilla/mux"
	"net/http"
	"os"
	"strings"
	"text/template"
	)

	var (
	tmpl = `
	<html>
	<body>
	<center>
	<h1>Hostname: {{.Hostname}}</h1>
	<h3>Request: {{.Request}}</h3>
	<table>
	<thead>
	<th>KEY</th>
	<th>VALUE</th>
	</thead>
	<tbody>
	{{range $k,$v := .Env}}
	<tr>
	<td>{{$k}}</td>
	<td>{{$v}}</td>
	</tr>
	{{end}}
	</tbody>
	</table>
	</center>
	</body>
	</html>
	`

	env = map[string]string{}
	)

	func init() {
	for _, v := range os.Environ() {
	parts := strings.Split(v, "=")
	if len(parts) < 2 {
	continue
	}

	env[parts[0]] = strings.Join(parts[1:], "=")
	}
	}

	type Data struct {
	Hostname string
	Request string
	Env map[string]string
	}

	func handle(w http.ResponseWriter, r *http.Request) {
	t := template.New("t")
	t, err := t.Parse(tmpl)
	if err != nil {
	w.Write([]byte(err.Error()))
	return
	}

	data := Data{
	Hostname: r.Host,
	Request: r.RequestURI,
	Env: env,
	}

	err = t.Execute(w, data)
	if err != nil {
	w.Write([]byte(err.Error()))
	return
	}
	}

	func main() {
	r := mux.NewRouter()
	r.HandleFunc("/", handle)
	loggedRouter := handlers.CombinedLoggingHandler(os.Stdout, r)
	http.ListenAndServe(":80", loggedRouter)
	}