authmailbox: log full client config on connection check failure

Log the full client config, including the server address, when an
authmailbox connection check fails. This ensures the relevant config
is visible even if backoff attempts are spread out in the logs or only
partial logs are available.

Author: ffranr

authmailbox/receive_subscription.go

@@ -249,8 +249,9 @@ func (s *receiveSubscription) connectServerStream(ctx context.Context,
 		if backoff > s.cfg.MaxBackoff {
 			backoff = s.cfg.MaxBackoff
 		}
-		log.DebugS(ctx, "Connect failed with error, canceling and "+
-			"backing off", "backoff", backoff, "err", err)
+		log.WarnS(ctx, "Connect failed with error, canceling and "+
+			"backing off", err, "backoff", backoff, "client_config",
+			s.cfg)
 
 		if i < numRetries-1 {
 			log.InfoS(ctx, "Connection to server failed, will try "+
@@ -278,7 +279,8 @@ func (s *receiveSubscription) connectServerStream(ctx context.Context,
 
 	// Read incoming messages and send them to the channel where the caller
 	// is listening to.
-	log.InfoS(ctx, "Successfully connected to mailbox server")
+	log.InfoS(ctx, "Successfully connected to mailbox server",
+		"server_addr", s.cfg.ServerAddress)
 	s.wg.Add(1)
 	go func() {
 		defer s.wg.Done()