echo.HostnameField.Write(&body, hostname)
	}

	epLog.WithLabels("id", id).Infof("GRPC Response")
	return &proto.EchoResponse{Message: body.String()}, nil
}

func (h *EchoGrpcHandler) ForwardEcho(ctx context.Context, req *proto.ForwardEchoRequest) (*proto.ForwardEchoResponse, error) {
	id := uuid.New()
	l := epLog.WithLabels("url", req.Url, "id", id)
	l.Infof("ForwardEcho request")
	t0 := time.Now()

		return fmt.Errorf("round trip failed: %v", resp.Status)
	}
	log.WithLabels("host", r.Host, "remote", remoteID).Info("CONNECT established")
	go func() {
		defer conn.Close()
		defer resp.Body.Close()

		wg := sync.WaitGroup{}
		wg.Add(1)
		go func() {
			// handle upstream (hbone server) --> downstream (app)
			copyBuffered(conn, resp.Body, log.WithLabels("name", "body to conn"))
			wg.Done()
		}()

				epLog.Warn("UDP read failed: " + err.Error())
				return
			}

			id := uuid.New()
			epLog.WithLabels("remote", remote, "id", id).Infof("UDP Request")

			responseFields := s.getResponseFields(remote)
			if _, err := listener.WriteTo([]byte(responseFields), remote); err != nil {
				epLog.WithLabels("id", id).Warnf("UDP failed writing echo response: %v", err)
			}
		}
	}()

// limitations under the License.

package cache

import (
	"fmt"

	"istio.io/istio/pkg/log"
)

func resourceLog(resourceName string) *log.Scope {
	return cacheLog.WithLabels("resource", resourceName)
}

// cacheLogPrefix returns a unified log prefix.
func cacheLogPrefix(resourceName string) string {
	lPrefix := fmt.Sprintf("resource:%s", resourceName)
	return lPrefix

			}
		})
	}
}

func TestDefaultWithLabel(t *testing.T) {
	lines, err := captureStdout(func() {
		Configure(DefaultOptions())
		funcs.Store(funcs.Load().(patchTable))
		WithLabels("foo", "bar").WithLabels("baz", 123, "qux", 0.123).Error("Hello")

		_ = Sync()
	})
	if err != nil {
		t.Errorf("Got error '%v', expected success", err)
	}

			t0 := time.Now()
			if err := next.task(stop); err != nil {
				// Startup error: terminate and return the error.
				shutdown()
				return err
			}
			runtime := time.Since(t0)
			log := log.WithLabels("name", next.name, "runtime", runtime)
			log.Debugf("started task")
			if runtime > time.Second {
				log.Warnf("slow startup task")
			}
		default:
			// We've drained all of the initial tasks.

		// don't return error here, as this is purely informational.
	}
	return retErr
}

func (s *meshDataplane) RemovePodFromMesh(ctx context.Context, pod *corev1.Pod) error {
	log := log.WithLabels("ns", pod.Namespace, "name", pod.Name)
	err := s.netServer.RemovePodFromMesh(ctx, pod)
	if err != nil {
		log.Errorf("failed to remove pod from mesh: %v", err)
		return err
	}

// The augmented label map will be set for the duration of the call to f
// and restored once f returns.
func Do(ctx context.Context, labels LabelSet, f func(context.Context)) {
	defer SetGoroutineLabels(ctx)
	ctx = WithLabels(ctx, labels)
	SetGoroutineLabels(ctx)
	f(ctx)

	for _, c := range cfg {
		// Right now model.Config is not a proto - until we change it, mcp.Resource.
		// This also helps migrating MCP users.

		b, err := config.PilotConfigToResource(&c)
		if err != nil {
			log.WithLabels("resource", c.NamespacedName()).Warnf("resource error: %v", err)
			continue
		}
		resp = append(resp, &discovery.Resource{
			Name:     c.Namespace + "/" + c.Name,
			Resource: protoconv.MessageToAny(b),
		})

		lbls = append(lbls, "action", e.Action)
	}
	if e.LikelyCause != "" {
		lbls = append(lbls, "likelyCause", e.LikelyCause)
	}
	if e.Err != nil {
		lbls = append(lbls, "err", e.Err.Error())
	}
	return s.WithLabels(lbls...)
}

func (e *Error) Error() string {
	if e == nil {
		return ""
	}
	return fmt.Sprintf("\tmoreInfo=%s impact=%s action=%s likelyCause=%s err=%v",
		e.MoreInfo, e.Impact, e.Action, e.LikelyCause, e.Err)