Check for advertise host when setting failed peers (#1411)

When setting initially failing peers, if we don't
have a value for the advertise address, use the
bindAddr.

Signed-off-by: stuart nelson <stuartnelson3@gmail.com>

cluster/cluster.go

@@ -197,6 +197,9 @@ func Join(
 	if advertiseHost != "" {
 		cfg.AdvertiseAddr = advertiseHost
 		cfg.AdvertisePort = advertisePort
+		p.setInitialFailed(resolvedPeers, fmt.Sprintf("%s:%d", advertiseHost, advertisePort))
+	} else {
+		p.setInitialFailed(resolvedPeers, bindAddr)
 	}
 
 	ml, err := memberlist.Create(cfg)
@@ -205,8 +208,6 @@ func Join(
 	}
 	p.mlist = ml
 
-	p.setInitialFailed(resolvedPeers, fmt.Sprintf("%s:%d", advertiseHost, advertisePort))
-
 	n, err := ml.Join(resolvedPeers)
 	if err != nil {
 		level.Warn(l).Log("msg", "failed to join cluster", "err", err)