Attachment 1010094 Details for Bug 1189840 – go reproducer

go reproducer

ping-after-iface-restart.go (text/plain), 1.44 KB, created by Michal Minar on 2015-04-02 09:51:45 UTC

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Creator: Michal Minar

Created: 2015-04-02 09:51:45 UTC

Size: 1.44 KB

patch

obsolete

>package main
>
>import (
>	"flag"
>	"fmt"
>	"net/http"
>	"os"
>	"os/exec"
>	"time"
>)
>
>const IndexURL = "https://index.docker.io/v1"
>
>func die(msg string, args ...interface{}) {
>	fmt.Printf(msg+"\n", args...)
>	os.Exit(1)
>}
>
>func ping() {
>	fmt.Printf("Pinging index %s\n", IndexURL)
>	req, err := http.NewRequest("GET", IndexURL+"/_ping", nil)
>	if err != nil {
>		die("Failed to create request.")
>	}
>	client := &http.Client{}
>	resp, err := client.Do(req)
>	if err != nil {
>		fmt.Printf("Failed to ping %s: %v\n", IndexURL, err)
>	} else {
>		version := resp.Header.Get("X-Docker-Registry-Version")
>		if version == "" {
>			version = "unknown"
>		}
>		fmt.Printf("Ping successful. StatusCode=%d, Registry Version: %s\n", resp.StatusCode, version)
>	}
>}
>
>func main() {
>	var iface = flag.String("iface", "eth0", "The name of interface to restart.")
>	var once = flag.Bool("once", false, "Ping the index just once without any iface restart.")
>	flag.Parse()
>
>	ping()
>	if !*once {
>		fmt.Printf("Shutting down interface %q.\n", *iface)
>		cmd := exec.Command("nmcli", "d", "disconnect", *iface)
>		if _, err := cmd.Output(); err != nil {
>			die("Failed to shut down interface %q: %v", *iface, err)
>		}
>		time.Sleep(time.Second * 1)
>		ping()
>		fmt.Printf("Bringing interface %q back up.\n", *iface)
>		cmd = exec.Command("nmcli", "d", "connect", *iface)
>		if _, err := cmd.Output(); err != nil {
>			die("Failed to bring interface %q up: %v", *iface, err)
>		}
>		time.Sleep(time.Second * 1)
>		ping()
>	}
>}

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Attachments on bug 1189840: 1010091 | 1010094 | 1010593