Add etcd as a service discovery mechanism

internal/push/onlinepusher.go

@@ -87,12 +87,11 @@ func (d *DefaultAllNode) GetConnsAndOnlinePush(ctx context.Context, msg *sdkws.M
 	// Online push message
 	for _, conn := range conns {
 		conn := conn // loop var safe
-		ctx := ctx
 		wg.Go(func() error {
 			msgClient := msggateway.NewMsgGatewayClient(conn)
 			reply, err := msgClient.SuperGroupOnlineBatchPushOneMsg(ctx, input)
 			if err != nil {
-				log.ZError(ctx, "SuperGroupOnlineBatchPushOneMsg ", err, "req:", input.String())
+				log.ZError(ctx, "SuperGroupOnlineBatchPushOneMsg ", err, input.String())
 				return nil
 			}