hunk.code_window: 	monitor.Stop()
   	monitor.Stop()
   }
   func Test_canStopStartedMonitor(t *testing.T) {
   	monitor := New(1*time.Minute, nil, context.Background())
   	monitor.Start()
   	assert.NotNil(t, monitor.cancellationFunc, "cancellation function is missing in started monitor")
  
hunk.labels: keep keep keep add keep keep keep keep
hunk.after_edit: func Test_startOrStopCouldBeCalledMultipleTimesConcurrently(t *testing.T) {
   	monitor := New(1*time.Minute, nil, context.Background())
   	go monitor.Start()
   	monitor.Start()
   	go monitor.Stop()
   	monitor.Stop()
   	time.Sleep(2 * time.Second)
   }
  
hunk.file_path: api/adminmonitor/admin_monitor_test.go
hunk.type: add
file: package endpointproxy
  
  import (
  	"errors"
  	"fmt"
  	httperror "github.com/portainer/libhttp/error"
  	"github.com/portainer/libhttp/request"
  	portainer "github.com/portainer/portainer/api"
  	"strings"
  
  	"net/http"
  )
  
  func (handler *Handler) proxyRequestsToKubernetesAPI(w http.ResponseWriter, r *http.Request) *httperror.HandlerError {
  	endpointID, err := request.RetrieveNumericRouteVariableValue(r, "id")
  	if err != nil {
  		return &httperror.HandlerError{http.StatusBadRequest, "Invalid environment identifier route variable", err}
  	}
  
  	endpoint, err := handler.DataStore.Endpoint().Endpoint(portainer.EndpointID(endpointID))
  	if handler.DataStore.IsErrObjectNotFound(err) {
  		return &httperror.HandlerError{http.StatusNotFound, "Unable to find an environment with the specified identifier inside the database", err}
  	} else if err != nil {
  		return &httperror.HandlerError{http.StatusInternalServerError, "Unable to find an environment with the specified identifier inside the database", err}
  	}
  
  	err = handler.requestBouncer.AuthorizedEndpointOperation(r, endpoint)
  	if err != nil {
  		return &httperror.HandlerError{http.StatusForbidden, "Permission denied to access environment", err}
  	}
  
  	if endpoint.Type == portainer.EdgeAgentOnKubernetesEnvironment {
  		if endpoint.EdgeID == "" {
  			return &httperror.HandlerError{http.StatusInternalServerError, "No Edge agent registered with the environment", errors.New("No agent available")}
  		}
  
  		_, err := handler.ReverseTunnelService.GetActiveTunnel(endpoint)
  		if err != nil {
  			return &httperror.HandlerError{http.StatusInternalServerError, "Unable to get the active tunnel", err}
  		}
  	}
  
  	var proxy http.Handler
  	proxy = handler.ProxyManager.GetEndpointProxy(endpoint)
  	if proxy == nil {
  		proxy, err = handler.ProxyManager.CreateAndRegisterEndpointProxy(endpoint)
  		if err != nil {
  			return &httperror.HandlerError{http.StatusInternalServerError, "Unable to create proxy", err}
  		}
  	}
  
  	//  For KubernetesLocalEnvironment
  	requestPrefix := fmt.Sprintf("/%d/kubernetes", endpointID)
  
  	if endpoint.Type == portainer.AgentOnKubernetesEnvironment || endpoint.Type == portainer.EdgeAgentOnKubernetesEnvironment {
  		requestPrefix = fmt.Sprintf("/%d", endpointID)
  
  		agentPrefix := fmt.Sprintf("/%d/agent/kubernetes", endpointID)
  		if strings.HasPrefix(r.URL.Path, agentPrefix) {
  			requestPrefix = agentPrefix
  		}
  	}
  
  	http.StripPrefix(requestPrefix, proxy).ServeHTTP(w, r)
  	return nil
  }
  