frostfs-node/pkg/local_object_storage/engine/tree.go

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package engine
import (
"errors"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/pilorama"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/shard"
cidSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
"go.uber.org/zap"
)
var _ pilorama.Forest = (*StorageEngine)(nil)
// TreeMove implements the pilorama.Forest interface.
func (e *StorageEngine) TreeMove(d pilorama.CIDDescriptor, treeID string, m *pilorama.Move) (*pilorama.Move, error) {
index, lst, err := e.getTreeShard(d.CID, treeID)
if err != nil && !errors.Is(err, pilorama.ErrTreeNotFound) {
return nil, err
}
lm, err := lst[index].TreeMove(d, treeID, m)
if err != nil {
if !errors.Is(err, shard.ErrReadOnlyMode) && err != shard.ErrPiloramaDisabled {
e.reportShardError(lst[index], "can't perform `TreeMove`", err,
zap.Stringer("cid", d.CID),
zap.String("tree", treeID))
}
return nil, err
}
return lm, nil
}
// TreeAddByPath implements the pilorama.Forest interface.
func (e *StorageEngine) TreeAddByPath(d pilorama.CIDDescriptor, treeID string, attr string, path []string, m []pilorama.KeyValue) ([]pilorama.Move, error) {
index, lst, err := e.getTreeShard(d.CID, treeID)
if err != nil && !errors.Is(err, pilorama.ErrTreeNotFound) {
return nil, err
}
lm, err := lst[index].TreeAddByPath(d, treeID, attr, path, m)
if err != nil {
if !errors.Is(err, shard.ErrReadOnlyMode) && err != shard.ErrPiloramaDisabled {
e.reportShardError(lst[index], "can't perform `TreeAddByPath`", err,
zap.Stringer("cid", d.CID),
zap.String("tree", treeID))
}
return nil, err
}
return lm, nil
}
// TreeApply implements the pilorama.Forest interface.
func (e *StorageEngine) TreeApply(d pilorama.CIDDescriptor, treeID string, m *pilorama.Move, backgroundSync bool) error {
index, lst, err := e.getTreeShard(d.CID, treeID)
if err != nil && !errors.Is(err, pilorama.ErrTreeNotFound) {
return err
}
err = lst[index].TreeApply(d, treeID, m, backgroundSync)
if err != nil {
if !errors.Is(err, shard.ErrReadOnlyMode) && err != shard.ErrPiloramaDisabled {
e.reportShardError(lst[index], "can't perform `TreeApply`", err,
zap.Stringer("cid", d.CID),
zap.String("tree", treeID))
}
return err
}
return nil
}
// TreeGetByPath implements the pilorama.Forest interface.
func (e *StorageEngine) TreeGetByPath(cid cidSDK.ID, treeID string, attr string, path []string, latest bool) ([]pilorama.Node, error) {
var err error
var nodes []pilorama.Node
for _, sh := range e.sortShardsByWeight(cid) {
nodes, err = sh.TreeGetByPath(cid, treeID, attr, path, latest)
if err != nil {
if err == shard.ErrPiloramaDisabled {
break
}
if !errors.Is(err, pilorama.ErrTreeNotFound) {
e.reportShardError(sh, "can't perform `TreeGetByPath`", err,
zap.Stringer("cid", cid),
zap.String("tree", treeID))
}
continue
}
return nodes, nil
}
return nil, err
}
// TreeGetMeta implements the pilorama.Forest interface.
func (e *StorageEngine) TreeGetMeta(cid cidSDK.ID, treeID string, nodeID pilorama.Node) (pilorama.Meta, uint64, error) {
var err error
var m pilorama.Meta
var p uint64
for _, sh := range e.sortShardsByWeight(cid) {
m, p, err = sh.TreeGetMeta(cid, treeID, nodeID)
if err != nil {
if err == shard.ErrPiloramaDisabled {
break
}
if !errors.Is(err, pilorama.ErrTreeNotFound) {
e.reportShardError(sh, "can't perform `TreeGetMeta`", err,
zap.Stringer("cid", cid),
zap.String("tree", treeID))
}
continue
}
return m, p, nil
}
return pilorama.Meta{}, 0, err
}
// TreeGetChildren implements the pilorama.Forest interface.
func (e *StorageEngine) TreeGetChildren(cid cidSDK.ID, treeID string, nodeID pilorama.Node) ([]uint64, error) {
var err error
var nodes []uint64
for _, sh := range e.sortShardsByWeight(cid) {
nodes, err = sh.TreeGetChildren(cid, treeID, nodeID)
if err != nil {
if err == shard.ErrPiloramaDisabled {
break
}
if !errors.Is(err, pilorama.ErrTreeNotFound) {
e.reportShardError(sh, "can't perform `TreeGetChildren`", err,
zap.Stringer("cid", cid),
zap.String("tree", treeID))
}
continue
}
return nodes, nil
}
return nil, err
}
// TreeGetOpLog implements the pilorama.Forest interface.
func (e *StorageEngine) TreeGetOpLog(cid cidSDK.ID, treeID string, height uint64) (pilorama.Move, error) {
var err error
var lm pilorama.Move
for _, sh := range e.sortShardsByWeight(cid) {
lm, err = sh.TreeGetOpLog(cid, treeID, height)
if err != nil {
if err == shard.ErrPiloramaDisabled {
break
}
if !errors.Is(err, pilorama.ErrTreeNotFound) {
e.reportShardError(sh, "can't perform `TreeGetOpLog`", err,
zap.Stringer("cid", cid),
zap.String("tree", treeID))
}
continue
}
return lm, nil
}
return lm, err
}
// TreeDrop implements the pilorama.Forest interface.
func (e *StorageEngine) TreeDrop(cid cidSDK.ID, treeID string) error {
var err error
for _, sh := range e.sortShardsByWeight(cid) {
err = sh.TreeDrop(cid, treeID)
if err != nil {
if err == shard.ErrPiloramaDisabled {
break
}
if !errors.Is(err, pilorama.ErrTreeNotFound) && !errors.Is(err, shard.ErrReadOnlyMode) {
e.reportShardError(sh, "can't perform `TreeDrop`", err,
zap.Stringer("cid", cid),
zap.String("tree", treeID))
}
continue
}
return nil
}
return err
}
// TreeList implements the pilorama.Forest interface.
func (e *StorageEngine) TreeList(cid cidSDK.ID) ([]string, error) {
var resIDs []string
for _, sh := range e.unsortedShards() {
ids, err := sh.TreeList(cid)
if err != nil {
if errors.Is(err, shard.ErrPiloramaDisabled) || errors.Is(err, shard.ErrReadOnlyMode) {
return nil, err
}
e.reportShardError(sh, "can't perform `TreeList`", err,
zap.Stringer("cid", cid))
// returns as much info about
// trees as possible
continue
}
resIDs = append(resIDs, ids...)
}
return resIDs, nil
}
// TreeExists implements the pilorama.Forest interface.
func (e *StorageEngine) TreeExists(cid cidSDK.ID, treeID string) (bool, error) {
_, _, err := e.getTreeShard(cid, treeID)
if errors.Is(err, pilorama.ErrTreeNotFound) {
return false, nil
}
return err == nil, err
}
func (e *StorageEngine) getTreeShard(cid cidSDK.ID, treeID string) (int, []hashedShard, error) {
lst := e.sortShardsByWeight(cid)
for i, sh := range lst {
exists, err := sh.TreeExists(cid, treeID)
if err != nil {
return 0, nil, err
}
if exists {
return i, lst, err
}
}
return 0, lst, pilorama.ErrTreeNotFound
}