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// This is an example program that makes an HTTP request and prints response
// headers. Whenever a request fails, the error is reported to Sentry.
//
// Try it by running:
//
// go run main.go
// go run main.go https://sentry.io
// go run main.go bad-url
//
// To actually report events to Sentry, set the DSN either by editing the
// appropriate line below or setting the environment variable SENTRY_DSN to
// match the DSN of your Sentry project.
package main
import (
"fmt"
"log"
"net/http"
"os"
"time"
"github.com/getsentry/sentry-go"
)
// release is the release of this program that will be reported to Sentry.
// Use go build -ldflags='-X main.release=VALUE' to set this value in build
// time.
// If not set, a default release value will be derived in runtime from
// environment variables or the Git repository in the current working directory.
var release string
func main() {
if len(os.Args) < 2 {
log.Fatalf("usage: %s URL", os.Args[0])
}
err := sentry.Init(sentry.ClientOptions{
// Either set your DSN here or set the SENTRY_DSN environment variable.
Dsn: "",
// Enable printing of SDK debug messages.
// Useful when getting started or trying to figure something out.
Debug: true,
Release: release,
})
if err != nil {
log.Fatalf("sentry.Init: %s", err)
}
// Flush buffered events before the program terminates.
// Set the timeout to the maximum duration the program can afford to wait.
defer sentry.Flush(2 * time.Second)
resp, err := http.Get(os.Args[1])
if err != nil {
sentry.CaptureException(err)
log.Printf("reported to Sentry: %s", err)
return
}
defer resp.Body.Close()
for header, values := range resp.Header {
for _, value := range values {
fmt.Printf("%s=%s\n", header, value)
}
}
}
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