git sensor grpc lb policy change

Author: kartik-579

client/gitSensor/GitSensorClient.go

@@ -81,9 +81,10 @@ func NewGitSensorClient(logger *zap.SugaredLogger, config *ClientConfig) (*Clien
 
 // CATEGORY=INFRA_SETUP
 type ClientConfig struct {
-	Url      string `env:"GIT_SENSOR_URL" envDefault:"127.0.0.1:7070" description:"git-sensor micro-service url "`
-	Protocol string `env:"GIT_SENSOR_PROTOCOL" envDefault:"REST" description:"Protocol to connect with git-sensor micro-service"`
-	Timeout  int    `env:"GIT_SENSOR_TIMEOUT" envDefault:"0" description:"Timeout for getting response from the git-sensor"` // in seconds
+	Url           string `env:"GIT_SENSOR_URL" envDefault:"127.0.0.1:7070" description:"git-sensor micro-service url "`
+	Protocol      string `env:"GIT_SENSOR_PROTOCOL" envDefault:"REST" description:"Protocol to connect with git-sensor micro-service"`
+	Timeout       int    `env:"GIT_SENSOR_TIMEOUT" envDefault:"0" description:"Timeout for getting response from the git-sensor"` // in seconds
+	ServiceConfig string `env:"GIT_SENSOR_SERVICE_CONFIG" envDefault:"{\"loadBalancingPolicy\":\"pick_first\"}" description:"git-sensor grpc service config"`
 }
 
 func GetConfig() (*ClientConfig, error) {

client/gitSensor/GitSensorGrpcClient.go

@@ -90,7 +90,7 @@ func (client *GrpcApiClientImpl) getConnection() (*grpc.ClientConn, error) {
 		grpc.WithChainUnaryInterceptor(grpc_prometheus.UnaryClientInterceptor, otelgrpc.UnaryClientInterceptor()),
 		grpc.WithBlock(),
 		grpc.WithTransportCredentials(insecure.NewCredentials()),
-		grpc.WithDefaultServiceConfig(`{"loadBalancingPolicy":"round_robin"}`),
+		grpc.WithDefaultServiceConfig(client.config.ServiceConfig),
 	)
 	endpoint := fmt.Sprintf("dns:///%s", client.config.Url)