func (p *poolMeta) validate(pools []*erasureSets) (bool, error) {
	type poolInfo struct {
		position     int
		completed    bool
		decomStarted bool // started but not finished yet
	}

	rememberedPools := make(map[string]poolInfo)
	for idx, pool := range p.Pools {
		complete := false
		decomStarted := false
		if pool.Decommission != nil {
			if pool.Decommission.Complete {
				complete = true
			}

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 {

					}
					return &ssh.Permissions{
						CriticalOptions: map[string]string{
							ldapUser:  targetUser,
							ldapUserN: c.User(),
						},
						Extensions: make(map[string]string),
					}, nil
				}
				if subtle.ConstantTimeCompare([]byte(sa.Credentials.SecretKey), pass) == 1 {
					return &ssh.Permissions{
						CriticalOptions: map[string]string{
							"accessKey": c.User(),
						},

func filterReplicationStatusMetadata(metadata map[string]string) map[string]string {
	// Copy on write
	dst := metadata
	var copied bool
	delKey := func(key string) {
		if _, ok := metadata[key]; !ok {
			return
		}
		if !copied {
			dst = make(map[string]string, len(metadata))
			for k, v := range metadata {
				dst[k] = v
			}

//	    modify the user-agent.
//
//	Authorization:
//
//	    Is skipped for obvious reasons
var ignoredHeaders = map[string]bool{
	"Authorization": true,
	"User-Agent":    true,
}

// Headers to ignore in streaming v4
var ignoredStreamingHeaders = map[string]bool{
	"Authorization": true,
	"Content-Type":  true,
	"Content-Md5":   true,
	"User-Agent":    true,
}

//
// FIXME: It currently only lists `minio_` prefixed metrics.
func (h *metricsV3Server) listMetrics(path string) http.Handler {
	// First collect all matching MetricsGroup's
	matchingMG := make(map[collectorPath]*MetricsGroup)
	for _, collPath := range h.metricsData.collectorPaths {
		if collPath.isDescendantOf(path) {
			if v, ok := h.metricsData.mgMap[collPath]; ok {
				matchingMG[collPath] = v
			} else {

// we also use uniform number of drives common across all ellipses patterns.
func possibleSetCountsWithSymmetry(setCounts []uint64, argPatterns []ellipses.ArgPattern) []uint64 {
	newSetCounts := make(map[uint64]struct{})
	for _, ss := range setCounts {
		var symmetry bool
		for _, argPattern := range argPatterns {
			for _, p := range argPattern {
				if uint64(len(p.Seq)) > ss {

}

func getPoolsInfo(ctx context.Context, allDisks []madmin.Disk) (map[int]map[int]madmin.ErasureSetInfo, error) {
	objectAPI := newObjectLayerFn()
	if objectAPI == nil {
		return nil, errServerNotInitialized
	}

	z, ok := objectAPI.(*erasureServerPools)
	if !ok {
		return nil, errServerNotInitialized
	}

	poolsInfo := make(map[int]map[int]madmin.ErasureSetInfo)
	for _, d := range allDisks {

		allDriveLabels...)
)

func getCurrentDriveIOStats() map[string]madmin.DiskIOStats {
	var types madmin.MetricType = madmin.MetricsDisk
	driveRealtimeMetrics := collectLocalMetrics(types, collectMetricsOpts{
		hosts: map[string]struct{}{
			globalLocalNodeName: {},
		},
	})

	stats := map[string]madmin.DiskIOStats{}
	for d, m := range driveRealtimeMetrics.ByDisk {
		stats[d] = m.IOStats

// https://docs.aws.amazon.com/STS/latest/APIReference/API_AssumeRole.html
func (sts *stsAPIHandlers) AssumeRole(w http.ResponseWriter, r *http.Request) {
	ctx := newContext(r, w, "AssumeRole")

	claims := make(map[string]interface{})
	defer logger.AuditLog(ctx, w, r, claims)

	// Check auth here (otherwise r.Form will have unexpected values from
	// the call to `parseForm` below), but return failure only after we are