func main() { kingpin.CommandLine.Help = "An example implementation of curl." switch kingpin.Parse() { case "get url": kingpin.FatalIfError(apply("GET", (*getURLURL).String()), "GET failed") case "post": kingpin.FatalIfError(applyPOST(), "POST failed") } }
func main() { kingpin.CommandLine.Help = "Docker container EC2 metadata service." kingpin.Parse() defer log.Flush() configureLogging(*verboseOpt) auth, err := aws.GetAuth("", "", "", time.Time{}) if err != nil { panic(err) } containerService := ec2metaproxy.NewContainerService(dockerClient(), *defaultRole, auth) // Proxy non-credentials requests to primary metadata service http.HandleFunc("/", logHandler(func(w http.ResponseWriter, r *http.Request) { match := credsRegex.FindStringSubmatch(r.URL.Path) if match != nil { handleCredentials(match[1], match[2], containerService, w, r) return } proxyReq, err := http.NewRequest(r.Method, fmt.Sprintf("%s%s", baseURL, r.URL.Path), r.Body) if err != nil { log.Error("Error creating proxy http request: ", err) http.Error(w, "An unexpected error occurred communicating with Amazon", http.StatusInternalServerError) return } copyHeaders(proxyReq.Header, r.Header) resp, err := instanceServiceClient.RoundTrip(proxyReq) if err != nil { log.Error("Error forwarding request to EC2 metadata service: ", err) http.Error(w, "An unexpected error occurred communicating with Amazon", http.StatusInternalServerError) return } defer resp.Body.Close() copyHeaders(w.Header(), resp.Header) w.WriteHeader(resp.StatusCode) if _, err := io.Copy(w, resp.Body); err != nil { log.Warn("Error copying response content from EC2 metadata service: ", err) } })) log.Critical(http.ListenAndServe(*serverAddr, nil)) }
func main() { kingpin.Version("0.0.1") kingpin.Parse() fmt.Printf("Would ping: %s with timeout %s and count %d", *ip, *timeout, *count) }