"MINIO_DSYNC_TRACE":   {},
	"MINIO_ROOT_USER":     {},
	"MINIO_ROOT_PASSWORD": {},
	"MINIO_ACCESS_KEY":    {},
	"MINIO_SECRET_KEY":    {},
}

func getServerSystemCfg() *ServerSystemConfig {
	envs := env.List("MINIO_")
	envValues := make(map[string]string, len(envs))
	for _, envK := range envs {
		// skip certain environment variables as part
		// of the whitelist and could be configured

type PartTooSmall struct {
	PartSize   int64
	PartNumber int
	PartETag   string
}

func (e PartTooSmall) Error() string {
	return fmt.Sprintf("Part size for %d should be at least 5MB", e.PartNumber)
}

// PartTooBig returned if size of part is bigger than the allowed limit.
type PartTooBig struct{}

func (e PartTooBig) Error() string {
	return "Part size bigger than the allowed limit"

	case closed:
		// client closed, this is usually a manual process
		// so return a local error as client is closed
		return nil, &NetworkError{Err: ErrClientClosed}
	case offline:
		// client offline, return last error captured.
		return nil, &NetworkError{Err: c.LastError()}
	}

	// client is still connected, attempt the request.

	// Shallow copy. We don't modify the *UserInfo, if set.
	// All other fields are copied.

			if IsConnErr(err) {
				return store.ErrNotConnected
			}
			return err
		}
	}

	eventData, eErr := target.store.Get(key.Name)
	if eErr != nil {
		// The last event key in a successful batch will be sent in the channel atmost once by the replayEvents()
		// Such events will not exist and wouldve been already been sent successfully.
		if os.IsNotExist(eErr) {
			return nil
		}

	// channel signaled by background routine when traversal has
	// completed
	traverseAndHealDoneCh chan error

	// canceler to cancel heal sequence.
	cancelCtx context.CancelFunc

	// the last result index sent to client
	lastSentResultIndex int64

	// Number of total items scanned against item type
	scannedItemsMap map[madmin.HealItemType]int64

	// Number of total items healed against item type

func (client *storageRESTClient) IsOnline() bool {
	return client.gridConn.State() == grid.StateConnected
}

// LastConn - returns when the disk is seen to be connected the last time
func (client *storageRESTClient) LastConn() time.Time {
	return client.restClient.LastConn()
}

func (client *storageRESTClient) IsLocal() bool {
	return false
}

	ri.Complete = ri.ObjectsFailed == 0
	ri.Failed = ri.ObjectsFailed > 0
	globalBatchJobsMetrics.save(job.ID, ri)

	// Close the saverQuitCh - this also triggers saving in-memory state
	// immediately one last time before we exit this method.
	xioutil.SafeClose(saverQuitCh)

	// Notify expire jobs final status to the configured endpoint
	buf, _ := json.Marshal(ri)

// There is no distinction externally whether the connection was initiated from
// this server or from the remote.
type Connection struct {
	// NextID is the next ID that can be used (atomic).
	NextID uint64

	// LastPong is last pong time (atomic)
	// Only valid when StateConnected.
	LastPong int64

	// State of the connection (atomic)
	state State

	// Non-atomic
	Remote string
	Local  string

	Canceled bool `json:"canceled" msg:"cnl"`

	// Internal information.
	QueuedBuckets         []string `json:"-" msg:"bkts"`
	DecommissionedBuckets []string `json:"-" msg:"dbkts"`

	// Last bucket/object decommissioned.
	Bucket string `json:"-" msg:"bkt"`
	// Captures prefix that is currently being
	// decommissioned inside the 'Bucket'
	Prefix string `json:"-" msg:"pfx"`
	Object string `json:"-" msg:"obj"`

	"sync/atomic"
	"time"
)

const (
	lastSyncDurationMillis                 = "last_sync_duration_millis"
	pluginAuthnServiceFailedRequestsMinute = "plugin_authn_service_failed_requests_minute"
	pluginAuthnServiceLastFailSeconds      = "plugin_authn_service_last_fail_seconds"
	pluginAuthnServiceLastSuccSeconds      = "plugin_authn_service_last_succ_seconds"
	pluginAuthnServiceSuccAvgRttMsMinute   = "plugin_authn_service_succ_avg_rtt_ms_minute"