)

var (
	resourceCollector *minioResourceCollector
	// resourceMetricsMap is a map of subsystem to its metrics
	resourceMetricsMap   map[MetricSubsystem]ResourceMetrics
	resourceMetricsMapMu sync.RWMutex
	// resourceMetricsHelpMap maps metric name to its help string
	resourceMetricsHelpMap map[MetricName]string
	resourceMetricsGroups  []*MetricsGroupV2
	// initial values for drives (at the time  of server startup)

	testCases := []struct {
		queryParams map[string]string
		headers     map[string]string
		region      string
		expected    APIErrorCode
	}{
		// (0) Should error without a set URL query.
		{
			region:   globalMinioDefaultRegion,
			expected: ErrInvalidQueryParams,
		},
		// (1) Should error on an invalid access key.
		{
			queryParams: map[string]string{
				"X-Amz-Algorithm":     signV4Algorithm,

		name string
		arg  []string
		want map[string]string
	}{
		{name: "empty", arg: []string{""}, want: map[string]string{"": ""}},
		{name: "one-valid", arg: []string{"key=value"}, want: map[string]string{"key": "value"}},
		{name: "one-valid-double-equals", arg: []string{"key==value"}, want: map[string]string{"key": "=value"}},
		{name: "one-key-only", arg: []string{"key"}, want: map[string]string{"key": ""}},
	}

type Arch struct {
	*obj.LinkArch
	// Map of instruction names to enumeration.
	Instructions map[string]obj.As
	// Map of register names to enumeration.
	Register map[string]int16
	// Table of register prefix names. These are things like R for R(0) and SPR for SPR(268).
	RegisterPrefix map[string]bool
	// RegisterNumber converts R(10) into arm.REG_R10.

		rs.Err = err
	}
}

// GetAll returns replication metrics for all buckets at once.
func (r *ReplicationStats) GetAll() map[string]BucketReplicationStats {
	if r == nil {
		return map[string]BucketReplicationStats{}
	}

	r.RLock()

	bucketReplicationStats := make(map[string]BucketReplicationStats, len(r.Cache))
	for k, v := range r.Cache {
		bucketReplicationStats[k] = v.Clone()
	}
	r.RUnlock()

type allHealState struct {
	sync.RWMutex

	// map of heal path to heal sequence
	healSeqMap map[string]*healSequence // Indexed by endpoint
	// keep track of the healing status of disks in the memory
	//   false: the disk needs to be healed but no healing routine is started
	//    true: the disk is currently healing
	healLocalDisks map[Endpoint]bool
	healStatus     map[string]healingTracker // Indexed by disk ID
}

		peerRESTMetrics: strconv.FormatBool(metrics),
	}))
	return resp.ValueOrZero(), err
}

// ServerInfo - fetch server information for a remote node.
func (client *peerRESTClient) ServerInfo(metrics bool) (info madmin.ServerProperties, err error) {

	return deleteKeyEtcd(ctx, ies.client, path)
}

func (ies *IAMEtcdStore) loadPolicyDocWithRetry(ctx context.Context, policy string, m map[string]PolicyDoc, _ int) error {
	return ies.loadPolicyDoc(ctx, policy, m)
}

func (ies *IAMEtcdStore) loadPolicyDoc(ctx context.Context, policy string, m map[string]PolicyDoc) error {
	data, err := ies.loadIAMConfigBytes(ctx, getPolicyDocPath(policy))
	if err != nil {
		if err == errConfigNotFound {

func GetInternalReplicationState(m map[string][]byte) ReplicationState {
	m1 := make(map[string]string, len(m))
	for k, v := range m {
		m1[k] = string(v)
	}
	return getInternalReplicationState(m1)
}

// getInternalReplicationState fetches internal replication state from the map m
func getInternalReplicationState(m map[string]string) ReplicationState {

				if err != nil {
					return nil, err
				}
				return map[string]*discovery.DiscoveryResponse{
					CpInfo(response).ID: response,
				}, nil
			}
		}
		return nil, err
	}
	return mapShards(responses)
}

func mapShards(responses []*discovery.DiscoveryResponse) (map[string]*discovery.DiscoveryResponse, error) {
	retval := map[string]*discovery.DiscoveryResponse{}