ngrok-pagerduty-webhook-verification

ngrok-pd-hook.go

package main

import (
	"bytes"
	"context"
	"encoding/json"
	"fmt"
	"io/ioutil"
	"log"
	"net/http"

	"golang.ngrok.com/ngrok"
	"golang.ngrok.com/ngrok/config"
)

func main() {
	if err := run(context.Background()); err != nil {
		log.Fatal(err)
	}
}

func run(ctx context.Context) error {
	tun, err := ngrok.Listen(ctx,
		config.HTTPEndpoint(
			config.WithDomain("<you_static_domain_here>"),
			config.WithWebhookVerification("pagerduty", "y0urs3cretFr0mP4g3rdUty"),
		),
		ngrok.WithAuthtokenFromEnv(),
	)

	if err != nil {
		return err
	}
	// Display URL of the created tunnel
	log.Println("tunnel created:", tun.URL())

	return http.Serve(tun, http.HandlerFunc(handler))
}

func handler(w http.ResponseWriter, r *http.Request) {
	// Buffer the body
	bodyBytes, err := ioutil.ReadAll(r.Body)
	if err != nil {
		fmt.Printf("Body reading error: %v", err)
		return
	}
	if len(bodyBytes) > 0 {
		// format and print the response
		var prettyJSON bytes.Buffer
		if err = json.Indent(&prettyJSON, bodyBytes, "", "\t"); err != nil {
			fmt.Printf("JSON parse error: %v", err)
			return
		}
		fmt.Println(string(prettyJSON.Bytes()))
	} else {
		fmt.Printf("Body: No Body Supplied\n")
	}
}