119 lines
3 KiB
Go
119 lines
3 KiB
Go
package shard
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import (
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"context"
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"errors"
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"fmt"
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meta "github.com/TrueCloudLab/frostfs-node/pkg/local_object_storage/metabase"
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oid "github.com/TrueCloudLab/frostfs-sdk-go/object/id"
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"go.uber.org/zap"
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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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target []oid.Address
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tombstone *oid.Address
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forceRemoval bool
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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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// SetTarget sets a 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) SetTarget(tombstone oid.Address, addrs ...oid.Address) {
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p.target = addrs
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p.tombstone = &tombstone
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}
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// MarkAsGarbage marks object to be physically removed from shard.
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//
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// Should not be called along with SetTarget.
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func (p *InhumePrm) MarkAsGarbage(addr ...oid.Address) {
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if p != nil {
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p.target = addr
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p.tombstone = nil
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}
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}
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// ForceRemoval forces object removing despite any restrictions imposed
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// on deleting that object. Expected to be used only in control service.
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func (p *InhumePrm) ForceRemoval() {
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if p != nil {
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p.tombstone = nil
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p.forceRemoval = true
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}
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}
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// ErrLockObjectRemoval is returned when inhume operation is being
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// performed on lock object, and it is not a forced object removal.
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var ErrLockObjectRemoval = meta.ErrLockObjectRemoval
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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 blobStor and metabase 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 ErrReadOnlyMode error if shard is in "read-only" mode.
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func (s *Shard) Inhume(prm InhumePrm) (InhumeRes, error) {
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s.m.RLock()
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if s.info.Mode.ReadOnly() {
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s.m.RUnlock()
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return InhumeRes{}, ErrReadOnlyMode
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} else if s.info.Mode.NoMetabase() {
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s.m.RUnlock()
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return InhumeRes{}, ErrDegradedMode
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}
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if s.hasWriteCache() {
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for i := range prm.target {
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_ = s.writeCache.Delete(prm.target[i])
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}
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}
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var metaPrm meta.InhumePrm
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metaPrm.SetAddresses(prm.target...)
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metaPrm.SetLockObjectHandling()
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if prm.tombstone != nil {
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metaPrm.SetTombstoneAddress(*prm.tombstone)
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} else {
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metaPrm.SetGCMark()
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}
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if prm.forceRemoval {
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metaPrm.SetForceGCMark()
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}
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res, err := s.metaBase.Inhume(metaPrm)
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if err != nil {
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if errors.Is(err, meta.ErrLockObjectRemoval) {
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s.m.RUnlock()
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return InhumeRes{}, ErrLockObjectRemoval
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}
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s.log.Debug("could not mark object to delete in metabase",
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zap.String("error", err.Error()),
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)
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s.m.RUnlock()
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return InhumeRes{}, fmt.Errorf("metabase inhume: %w", err)
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}
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s.m.RUnlock()
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s.decObjectCounterBy(logical, res.AvailableInhumed())
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if deletedLockObjs := res.DeletedLockObjects(); len(deletedLockObjs) != 0 {
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s.deletedLockCallBack(context.Background(), deletedLockObjs)
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}
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return InhumeRes{}, nil
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}
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