cleanup logging (#514)

* cleanup logging

* Update cmd/epp/health.go

Co-authored-by: Abdullah Gharaibeh <[email protected]>

---------

Co-authored-by: Abdullah Gharaibeh <[email protected]>

Author: kfswain

cmd/epp/health.go

@@ -34,10 +34,10 @@ type healthServer struct {
 
 func (s *healthServer) Check(ctx context.Context, in *healthPb.HealthCheckRequest) (*healthPb.HealthCheckResponse, error) {
 	if !s.datastore.PoolHasSynced() {
-		s.logger.V(logutil.VERBOSE).Info("gRPC health check not serving", "service", in.Service)
+		s.logger.V(logutil.DEFAULT).Info("gRPC health check not serving", "service", in.Service)
 		return &healthPb.HealthCheckResponse{Status: healthPb.HealthCheckResponse_NOT_SERVING}, nil
 	}
-	s.logger.V(logutil.VERBOSE).Info("gRPC health check serving", "service", in.Service)
+	s.logger.V(logutil.TRACE).Info("gRPC health check serving", "service", in.Service)
 	return &healthPb.HealthCheckResponse{Status: healthPb.HealthCheckResponse_SERVING}, nil
 }
 

pkg/epp/handlers/streamingserver.go

@@ -133,7 +133,8 @@ func (s *StreamingServer) Process(srv extProcPb.ExternalProcessor_ProcessServer)
 			loggerVerbose.Info("got response headers", "headers", v.ResponseHeaders.Headers.GetHeaders())
 			for _, header := range v.ResponseHeaders.Headers.GetHeaders() {
 				value := string(header.RawValue)
-				logger.Error(nil, "header", "key", header.Key, "value", value)
+
+				logger.V(logutil.TRACE).Info("header", "key", header.Key, "value", value)
 				if header.Key == "status" && value != "200" {
 					reqCtx.ResponseStatusCode = errutil.ModelServerError
 				} else if header.Key == "content-type" && strings.Contains(value, "text/event-stream") {