From f35c9526fa7610825c0164bb757d44614f997a78 Mon Sep 17 00:00:00 2001
From: lwpk110 <lwpk110@163.com>
Date: Fri, 26 Jul 2024 14:59:11 +0800
Subject: [PATCH] fix: fix array out of bunds when listener address not ready

---
 internal/controller/discovery.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/internal/controller/discovery.go b/internal/controller/discovery.go
index ef4007d..a365143 100644
--- a/internal/controller/discovery.go
+++ b/internal/controller/discovery.go
@@ -244,6 +244,12 @@ func (d *Discovery) getListenerAddress(
 		discoveryLog.Error(err, "failed to get listener", "cacheKey", cacheKey)
 		return nil, err
 	}
+
+	listenerAddresses := listener.Status.IngressAddresses
+	if len(listenerAddresses) == 0 {
+		discoveryLog.Info("not found listener address", "listener.status", listener.Status)
+		return nil, errors.New("not found listener address")
+	}
 	address := &listener.Status.IngressAddresses[0]
 	cacheObj[cacheKey] = address
 	return address, nil