tidb-server: throw error when starting with multi advertise address (p…

…ingcap#21603)
raychorn · Dec 23, 2020 · 4f44c0d · 4f44c0d
1 parent 3e5c56e
commit 4f44c0d
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/tidb-server/main.go b/tidb-server/main.go
@@ -417,6 +417,11 @@ func overrideConfig(cfg *config.Config) {
 		cfg.Host = *host
 	}
 	if actualFlags[nmAdvertiseAddress] {
+		var err error
+		if len(strings.Split(*advertiseAddress, " ")) > 1 {
+			err = errors.Errorf("Only support one advertise-address")
+		}
+		terror.MustNil(err)
 		cfg.AdvertiseAddress = *advertiseAddress
 	}
 	if len(cfg.AdvertiseAddress) == 0 && cfg.Host == "0.0.0.0" {