Error handling in sample

sample-functions/WebhookStash/handler.go

@@ -6,13 +6,23 @@ import (
 	"os"
 	"strconv"
 	"time"
+	"log"
 )
 
 func main() {
-	input, _ := ioutil.ReadAll(os.Stdin)
-	fmt.Println("Stashing request")
+	input, err := ioutil.ReadAll(os.Stdin)
+	if err != nil {
+		log.Fatalf("Cannot read input %s.\n", err)
+        return
+	}
 	now := time.Now()
 	stamp := strconv.FormatInt(now.UnixNano(), 10)
 
-	ioutil.WriteFile(stamp+".txt", input, 0644)
+	writeErr := ioutil.WriteFile(stamp+".txt", input, 0644)
+	if writeErr != nil {
+		log.Fatalf("Cannot write input %s.\n", err)
+        return
+	}
+
+	fmt.Printf("Stashing request: %s.txt\n", stamp)
 }