fix nil pointer dereference

prometheus · Jan 23, 2023 · 1922bc6 · 1922bc6
1 parent 46d58f0
commit 1922bc6
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/config/notifiers.go b/config/notifiers.go
@@ -494,8 +494,10 @@ func (c *WebhookConfig) UnmarshalYAML(unmarshal func(interface{}) error) error {
 	if c.URL != nil && c.URLFile != "" {
 		return fmt.Errorf("at most one of url & url_file must be configured")
 	}
-	if c.URL.Scheme != "https" && c.URL.Scheme != "http" {
-		return fmt.Errorf("scheme required for webhook url")
+	if c.URL != nil {
+		if c.URL.Scheme != "https" && c.URL.Scheme != "http" {
+			return fmt.Errorf("scheme required for webhook url")
+		}
 	}
 	return nil
 }