lastDriveStatsRefresh time.Time
)

// PeerResourceMetrics represents the resource metrics
// retrieved from a peer, along with errors if any
type PeerResourceMetrics struct {
	Metrics map[MetricSubsystem]ResourceMetrics
	Errors  []string
}

// ResourceMetrics is a map of unique key identifying
// a resource metric (e.g. reads_per_sec_{node}_{drive})
// to its data
type ResourceMetrics map[string]ResourceMetric

	resource := pathJoin(volume, path)

	n.lockMapMutex.Lock()
	defer n.lockMapMutex.Unlock()
	if _, found := n.lockMap[resource]; !found {
		return
	}
	if readLock {
		n.lockMap[resource].RUnlock()
	} else {
		n.lockMap[resource].Unlock()
	}
	n.lockMap[resource].ref--
	if n.lockMap[resource].ref < 0 {
		logger.CriticalIf(GlobalContext, errors.New("resource reference count was lower than 0"))

	// Gather the statuses before printing so they may be sorted
	mappedResp := map[string]string{}
	for id, dr := range drs {
		for _, resource := range dr.Resources {
			if s.InternalDebugAllIstiod {
				mappedResp[id] = string(resource.Value) + "\n"
			} else {
				_, _ = s.Writer.Write(resource.Value)
				_, _ = s.Writer.Write([]byte("\n"))
			}
		}
	}
	if len(mappedResp) > 0 {

			t.Fatalf("Test %d: %s: Unable to marshal response body %s", i+1, instanceType, rec.Body.String())
		}
		if errorResponse.Resource != testCase.errorResponse.Resource {
			t.Errorf("Test %d: %s: Expected the error resource to be `%s`, but instead found `%s`", i+1, instanceType, testCase.errorResponse.Resource, errorResponse.Resource)
		}
		if errorResponse.Message != testCase.errorResponse.Message {

			args: args{
				ctrzClient:      ctrzClient,
				reset:           false,
				outputLogLevel:  "resource:info",
				stackTraceLevel: "",
				outputFormat:    "",
			},
			want: &istiodConfigLog{state: &logLevelState{
				client:         ctrzClient,
				outputLogLevel: "resource:info",
			}},
		},
		{
			name: "given --stack-trace-level flag return stackTraceLevelState",
			args: args{

		// 1) lk3 or lk4 need to advance and increment the ref on the existing resource,
		//    successfully acquiring the lock.
		// 2) lk2 then needs to advance and remove the resource from lockMap.
		// 3) lk3 or lk4 (whichever didn't execute in step 1) then executes and creates
		//    a new entry in lockMap and acquires a lock for the same resource.

		<-lk2ch
		lk3ok := <-lk3ch
		lk4ok := <-lk4ch

		if lk3ok && lk4ok {

	cmd := &cobra.Command{
		Use:   "check-inject [<type>/]<name>[.<namespace>]",
		Short: "Check the injection status or inject-ability of a given resource, explains why it is (or will be) injected or not",
		Long: `
Checks associated resources of the given resource, and running webhooks to examine whether the pod can be or will be injected or not.`,
		Example: `  # Check the injection status of a pod

	}
	return nil
}

func ObjectToInstance(c controllers.Object) *resource.Instance {
	return &resource.Instance{
		Origin: &legacykube.Origin{
			Type: kubetypes.GvkFromObject(c),
			FullName: resource.FullName{
				Namespace: resource.Namespace(c.GetNamespace()),
				Name:      resource.LocalName(c.GetName()),
			},
			ResourceVersion: resource.Version(c.GetResourceVersion()),
			Ref:             nil,

		if err != nil {
			return nil, fmt.Errorf("could not get XDS from the agent pod %q: %v", pod.Name, err)
		}
		for _, resource := range response.GetResources() {
			switch resource.GetTypeUrl() {
			case "type.googleapis.com/envoy.service.status.v3.ClientConfig":
				clientConfig := xdsstatus.ClientConfig{}
				err := resource.UnmarshalTo(&clientConfig)
				if err != nil {
					return nil, err
				}

	// In that case, the resource may or may not be unlocked.
	RUnlock(ctx context.Context, args LockArgs) (bool, error)

	// Do write unlock for given LockArgs. It should return
	// * a boolean to indicate success/failure of the operation
	// * an error on failure of unlock request operation.
	// Canceling the context will abort the remote call.
	// In that case, the resource may or may not be unlocked.