forked from TrueCloudLab/frostfs-node
73f8bb3e5f
Allow to extend blobstor with more storage sub-systems. Currently objects stored in the FSTree have empty byte slice descriptor and object from blobovnicza tree have the same id as earlier. Each such change in the identifier formation should be accompanied with metabase version increase. Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
73 lines
1.8 KiB
Go
73 lines
1.8 KiB
Go
package shard
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import (
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"fmt"
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"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobstor/common"
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meta "github.com/nspcc-dev/neofs-node/pkg/local_object_storage/metabase"
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"github.com/nspcc-dev/neofs-sdk-go/object"
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"go.uber.org/zap"
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)
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// PutPrm groups the parameters of Put operation.
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type PutPrm struct {
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obj *object.Object
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}
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// PutRes groups the resulting values of Put operation.
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type PutRes struct{}
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// SetObject is a Put option to set object to save.
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func (p *PutPrm) SetObject(obj *object.Object) {
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p.obj = obj
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}
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// Put saves the object in shard.
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//
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// Returns any error encountered that
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// did not allow to completely save the object.
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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) Put(prm PutPrm) (PutRes, error) {
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m := s.GetMode()
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if m.ReadOnly() {
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return PutRes{}, ErrReadOnlyMode
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}
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var putPrm common.PutPrm // form Put parameters
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putPrm.Object = prm.obj
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// exist check are not performed there, these checks should be executed
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// ahead of `Put` by storage engine
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if s.hasWriteCache() {
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err := s.writeCache.Put(prm.obj)
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if err == nil {
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return PutRes{}, nil
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}
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s.log.Debug("can't put message to writeCache, trying to blobStor",
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zap.String("err", err.Error()))
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}
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var (
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err error
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res common.PutRes
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)
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if res, err = s.blobStor.Put(putPrm); err != nil {
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return PutRes{}, fmt.Errorf("could not put object to BLOB storage: %w", err)
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}
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if !m.NoMetabase() {
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var pPrm meta.PutPrm
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pPrm.SetObject(prm.obj)
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pPrm.SetStorageID(res.StorageID)
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if _, err := s.metaBase.Put(pPrm); err != nil {
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// may we need to handle this case in a special way
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// since the object has been successfully written to BlobStor
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return PutRes{}, fmt.Errorf("could not put object to metabase: %w", err)
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}
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}
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return PutRes{}, nil
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}
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