From 8af9ca33bd969a56fdfbdd99d60c2bc7a6e8aec7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=8C=85=E5=AD=90?= <baozhecheng@foxmail.com>
Date: Thu, 16 Mar 2023 13:02:38 +0800
Subject: [PATCH] feat: support grpc balancer health check (#2736)

---
 transport/grpc/client.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/transport/grpc/client.go b/transport/grpc/client.go
index 9c8dfa68a..2d614cb07 100644
--- a/transport/grpc/client.go
+++ b/transport/grpc/client.go
@@ -165,7 +165,7 @@ func dial(ctx context.Context, insecure bool, opts ...ClientOption) (*grpc.Clien
 		sints = append(sints, options.streamInts...)
 	}
 	grpcOpts := []grpc.DialOption{
-		grpc.WithDefaultServiceConfig(fmt.Sprintf(`{"loadBalancingConfig": [{"%s":{}}]}`, options.balancerName)),
+		grpc.WithDefaultServiceConfig(fmt.Sprintf(`{"loadBalancingConfig": [{"%s":{}}],"healthCheckConfig":{"serviceName":""}}`, options.balancerName)),
 		grpc.WithChainUnaryInterceptor(ints...),
 		grpc.WithChainStreamInterceptor(sints...),
 	}