189 lines
4.3 KiB
Go
189 lines
4.3 KiB
Go
package engine
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import (
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"context"
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"errors"
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"github.com/nspcc-dev/neofs-node/pkg/core/object"
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"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/shard"
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apistatus "github.com/nspcc-dev/neofs-sdk-go/client/status"
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objectSDK "github.com/nspcc-dev/neofs-sdk-go/object"
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addressSDK "github.com/nspcc-dev/neofs-sdk-go/object/address"
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)
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// InhumePrm encapsulates parameters for inhume operation.
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type InhumePrm struct {
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tombstone *addressSDK.Address
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addrs []*addressSDK.Address
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}
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// InhumeRes encapsulates results of inhume operation.
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type InhumeRes struct{}
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// WithTarget sets list of objects that should be inhumed and tombstone address
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// as the reason for inhume operation.
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//
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// tombstone should not be nil, addr should not be empty.
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// Should not be called along with MarkAsGarbage.
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func (p *InhumePrm) WithTarget(tombstone *addressSDK.Address, addrs ...*addressSDK.Address) *InhumePrm {
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if p != nil {
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p.addrs = addrs
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p.tombstone = tombstone
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}
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return p
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}
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// MarkAsGarbage marks object to be physically removed from local storage.
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//
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// Should not be called along with WithTarget.
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func (p *InhumePrm) MarkAsGarbage(addrs ...*addressSDK.Address) *InhumePrm {
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if p != nil {
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p.addrs = addrs
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p.tombstone = nil
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}
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return p
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}
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var errInhumeFailure = errors.New("inhume operation failed")
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// Inhume calls metabase. Inhume method to mark object as removed. It won't be
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// removed physically from shard until `Delete` operation.
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//
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// Allows inhuming non-locked objects only. Returns apistatus.ObjectLocked
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// if at least one object is locked.
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//
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// Returns an error if executions are blocked (see BlockExecution).
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func (e *StorageEngine) Inhume(prm *InhumePrm) (res *InhumeRes, err error) {
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err = e.execIfNotBlocked(func() error {
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res, err = e.inhume(prm)
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return err
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})
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return
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}
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func (e *StorageEngine) inhume(prm *InhumePrm) (*InhumeRes, error) {
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if e.metrics != nil {
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defer elapsed(e.metrics.AddInhumeDuration)()
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}
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shPrm := new(shard.InhumePrm)
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for i := range prm.addrs {
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if prm.tombstone != nil {
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shPrm.WithTarget(prm.tombstone, prm.addrs[i])
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} else {
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shPrm.MarkAsGarbage(prm.addrs[i])
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}
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switch e.inhumeAddr(prm.addrs[i], shPrm, true) {
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case 1:
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return nil, apistatus.ObjectLocked{}
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case 0:
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switch e.inhumeAddr(prm.addrs[i], shPrm, false) {
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case 1:
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return nil, apistatus.ObjectLocked{}
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case 0:
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return nil, errInhumeFailure
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}
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}
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}
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return new(InhumeRes), nil
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}
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// Returns:
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// 0 - fail
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// 1 - object locked
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// 2 - ok
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func (e *StorageEngine) inhumeAddr(addr *addressSDK.Address, prm *shard.InhumePrm, checkExists bool) (status uint8) {
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root := false
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var errLocked apistatus.ObjectLocked
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e.iterateOverSortedShards(addr, func(_ int, sh hashedShard) (stop bool) {
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defer func() {
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// if object is root we continue since information about it
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// can be presented in other shards
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if checkExists && root {
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stop = false
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}
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}()
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if checkExists {
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exRes, err := sh.Exists(new(shard.ExistsPrm).
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WithAddress(addr),
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)
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if err != nil {
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if errors.Is(err, object.ErrAlreadyRemoved) {
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// inhumed once - no need to be inhumed again
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status = 2
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return true
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}
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var siErr *objectSDK.SplitInfoError
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if !errors.As(err, &siErr) {
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e.reportShardError(sh, "could not check for presents in shard", err)
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return
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}
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root = true
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} else if !exRes.Exists() {
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return
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}
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}
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_, err := sh.Inhume(prm)
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if err != nil {
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e.reportShardError(sh, "could not inhume object in shard", err)
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if errors.As(err, &errLocked) {
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status = 1
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return true
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}
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return false
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}
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status = 2
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return true
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})
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return
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}
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func (e *StorageEngine) processExpiredTombstones(ctx context.Context, addrs []*addressSDK.Address) {
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tss := make(map[string]*addressSDK.Address, len(addrs))
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for i := range addrs {
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tss[addrs[i].String()] = addrs[i]
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}
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e.iterateOverUnsortedShards(func(sh hashedShard) (stop bool) {
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sh.HandleExpiredTombstones(tss)
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select {
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case <-ctx.Done():
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return true
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default:
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return false
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}
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})
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}
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func (e *StorageEngine) processExpiredLocks(ctx context.Context, lockers []*addressSDK.Address) {
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e.iterateOverUnsortedShards(func(sh hashedShard) (stop bool) {
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sh.HandleExpiredLocks(lockers)
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select {
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case <-ctx.Done():
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e.log.Info("interrupt processing the expired locks by context")
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return true
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default:
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return false
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}
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})
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}
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