feat:support custom callopts on client side

Signed-off-by: haoyun <yun.hao@daocloud.io>

client_opts.go

@@ -34,6 +34,7 @@ type clientOpts struct {
 	defaultPlatform platforms.MatchComparer
 	services        *services
 	dialOptions     []grpc.DialOption
+	callOptions     []grpc.CallOption
 	timeout         time.Duration
 }
 
@@ -75,6 +76,14 @@ func WithDialOpts(opts []grpc.DialOption) ClientOpt {
 	}
 }
 
+// WithCallOpts allows grpc.CallOptions to be set on the connection
+func WithCallOpts(opts []grpc.CallOption) ClientOpt {
+	return func(c *clientOpts) error {
+		c.callOptions = opts
+		return nil
+	}
+}
+
 // WithServices sets services used by the client.
 func WithServices(opts ...ServicesOpt) ClientOpt {
 	return func(c *clientOpts) error {