From 42f993b96db1bf3b5d7318631eda8f59e296ceb2 Mon Sep 17 00:00:00 2001
From: Steve Fan <29133953+stevefan1999-personal@users.noreply.github.com>
Date: Mon, 27 Jul 2020 21:12:13 +0800
Subject: [PATCH] reset advertise addr if bad addr, same as memberlist behavior

(cherry picked from commit c27d37591589c7de2ca977e2e4c750b4fa4fb7a3)
---
 config.go | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/config.go b/config.go
index 2c14489..b9fd051 100644
--- a/config.go
+++ b/config.go
@@ -6,6 +6,7 @@ import (
 
 	"github.com/costela/wesher/cluster"
 	"github.com/hashicorp/go-sockaddr"
+	"github.com/mikioh/ipaddr"
 	"github.com/pkg/errors"
 	"github.com/stevenroose/gonfig"
 )
@@ -81,8 +82,8 @@ func loadConfig() (*config, error) {
 		}
 	}
 
-	if config.AdvertiseAddr == "" {
-		config.AdvertiseAddr = config.BindAddr
+	if _, err := ipaddr.Parse(config.AdvertiseAddr); err != nil {
+		config.AdvertiseAddr = ""
 	}
 
 	return &config, nil