// ErrBucketConflict for buckets that already exist
type ErrBucketConflict Error

func (e ErrBucketConflict) Error() string {
	return e.Bucket + " bucket conflict error: " + e.Err.Error()
}

// Store dns record store
type Store interface {
	Put(bucket string) error
	Get(bucket string) ([]SrvRecord, error)
	Delete(bucket string) error
	List() (map[string][]SrvRecord, error)
	DeleteRecord(record SrvRecord) error
	Close() error

	DelList(key []string) error
	Open() error
	Delete() error
	Extension() string
}

// Key denotes the key present in the store.
type Key struct {
	Name   string
	IsLast bool
}

// replayItems - Reads the items from the store and replays.
func replayItems[I any](store Store[I], doneCh <-chan struct{}, log logger, id string) <-chan Key {
	keyCh := make(chan Key)

	go func() {
		defer xioutil.SafeClose(keyCh)

// operation, we fetch this info from storage, and refresh the cache as well.
func (store *IAMStoreSys) ListGroups(ctx context.Context) (res []string, err error) {
	cache := store.lock()
	defer store.unlock()

	if store.getUsersSysType() == MinIOUsersSysType {
		m := map[string]GroupInfo{}
		err = store.loadGroups(ctx, m)
		if err != nil {
			return
		}
		cache.iamGroupsMap = m

		if listKey == iamFormatFile {
			continue
		}

		res[listKey] = append(res[listKey], trimmedItem)
	}
	// Store the listing for later re-use.
	iamOS.cachedIAMListing.Store(res)
	return res, nil
}

// PurgeExpiredSTS - purge expired STS credentials from object store.
func (iamOS *IAMObjectStore) PurgeExpiredSTS(ctx context.Context) error {
	if iamOS.objAPI == nil {
		return errServerNotInitialized
	}

	var p MappedPolicy
	err := ies.loadIAMConfig(ctx, &p, getMappedPolicyPath(name, userType, isGroup))
	if err != nil {
		if err == errConfigNotFound {
			return errNoSuchPolicy
		}
		return err
	}
	m.Store(name, p)
	return nil
}

func getMappedPolicy(kv *mvccpb.KeyValue, m *xsync.MapOf[string, MappedPolicy], basePrefix string) error {
	var p MappedPolicy
	err := getIAMConfig(&p, kv.Value, string(kv.Key))

object_store_immutable_days.png...

1_add_object_store.png...

Harshavardhana <******@****.***> 1618774873 -0700

6_add_sobr_with_object_store.png...

func TestQueueStorePut(t *testing.T) {
	defer func() {
		if err := tearDownQueueStore(); err != nil {
			t.Fatal("Failed to tear down store ", err)
		}
	}()
	store, err := setUpQueueStore(queueDir, 100)
	if err != nil {
		t.Fatal("Failed to create a queue store ", err)
	}
	// Put 100 items.
	for i := 0; i < 100; i++ {
		if err := store.Put(testItem); err != nil {
			t.Fatal("Failed to put to queue store ", err)