"time"

	xhttp "github.com/minio/minio/internal/http"
	"github.com/minio/minio/internal/kms"
)

const unavailable = "offline"

func checkHealth(w http.ResponseWriter) ObjectLayer {
	objLayer := newObjectLayerFn()
	if objLayer == nil {
		w.Header().Set(xhttp.MinIOServerStatus, unavailable)
		writeResponse(w, http.StatusServiceUnavailable, nil, mimeNone)
		return nil
	}

	if !globalBucketMetadataSys.Initialized() {

// init site resync metrics
func (sm *siteResyncMetrics) init(ctx context.Context) {
	r := rand.New(rand.NewSource(time.Now().UnixNano()))
	// Run the site resync metrics load in a loop
	for {
		if err := sm.load(ctx, newObjectLayerFn()); err == nil {
			<-ctx.Done()
			return
		}
		duration := time.Duration(r.Float64() * float64(time.Second*10))
		if duration < time.Second {
			// Make sure to sleep at least a second to avoid high CPU ticks.

	onlineDrives, offlineDrives, totalDrives int
}

func newDataUsageInfoCache() *cachevalue.Cache[DataUsageInfo] {
	loadDataUsage := func(ctx context.Context) (u DataUsageInfo, err error) {
		objLayer := newObjectLayerFn()
		if objLayer == nil {
			return
		}

		// Collect cluster level object metrics.
		u, err = loadDataUsageFromBackend(GlobalContext, objLayer)
		return
	}
	return cachevalue.NewFromFunc(1*time.Minute,

func (m *metacacheManager) initManager() {
	// Add a transient bucket.
	// Start saver when object layer is ready.
	go func() {
		objAPI := newObjectLayerFn()
		for objAPI == nil {
			time.Sleep(time.Second)
			objAPI = newObjectLayerFn()
		}

		t := time.NewTicker(time.Minute)
		defer t.Stop()

		var exit bool
		for !exit {
			select {
			case <-t.C:
			case <-GlobalContext.Done():

		if httpServer := newHTTPServerFn(); httpServer != nil {
			if err := httpServer.Shutdown(); err != nil && !errors.Is(err, http.ErrServerClosed) {
				shutdownLogIf(context.Background(), err)
			}
		}

		if objAPI := newObjectLayerFn(); objAPI != nil {
			shutdownLogIf(context.Background(), objAPI.Shutdown(context.Background()))
		}

		if globalBrowserEnabled {
			if srv := newConsoleServerFn(); srv != nil {

// Optionally remove all existing caches.
func newBucketMetacache(bucket string, cleanup bool) *bucketMetacache {
	if cleanup {
		// Recursively delete all caches.
		objAPI := newObjectLayerFn()
		if objAPI != nil {
			ez, ok := objAPI.(deleteAllStorager)
			if ok {
				ctx := context.Background()
				ez.deleteAll(ctx, minioMetaBucket, metacachePrefixForID(bucket, slashSeparator))
			}
		}
	}

			callhomeTimer.Reset(globalCallhomeConfig.FrequencyDur())
		}
	}
}

func performCallhome(ctx context.Context) {
	deadline := 10 * time.Second // Default deadline is 10secs for callhome
	objectAPI := newObjectLayerFn()
	if objectAPI == nil {
		internalLogIf(ctx, errors.New("Callhome: object layer not ready"))
		return
	}

	healthCtx, healthCancel := context.WithTimeout(ctx, deadline)
	defer healthCancel()

	m.Hosts = append(m.Hosts, byHostName)

	return m
}

func collectLocalDisksMetrics(disks map[string]struct{}) map[string]madmin.DiskMetric {
	objLayer := newObjectLayerFn()
	if objLayer == nil {
		return nil
	}

	metrics := make(map[string]madmin.DiskMetric)
	storageInfo := objLayer.LocalStorageInfo(GlobalContext, true)
	for _, d := range storageInfo.Disks {

		},
	)
}

// GetBucketUsageInfo return bucket usage info for a given bucket
func (sys *BucketQuotaSys) GetBucketUsageInfo(ctx context.Context, bucket string) BucketUsageInfo {
	sys.Init(newObjectLayerFn())

	dui, err := bucketStorageCache.GetWithCtx(ctx)
	timedout := OperationTimedOut{}
	if err != nil && !errors.Is(err, context.DeadlineExceeded) && !errors.As(err, &timedout) {
		if len(dui.BucketsUsage) > 0 {

			props.MinioEnvVars[key] = "*** EXISTS, REDACTED ***"
			continue
		}
		props.MinioEnvVars[key] = value
	}

	objLayer := newObjectLayerFn()
	if objLayer != nil {
		storageInfo := objLayer.LocalStorageInfo(GlobalContext, metrics)
		props.State = string(madmin.ItemOnline)
		props.Disks = storageInfo.Disks
	} else {