frostfs-node/pkg/local_object_storage/blobstor/control.go

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package blobstor
import (
"context"
"errors"
"fmt"
"git.frostfs.info/TrueCloudLab/frostfs-node/internal/logs"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/shard/mode"
"go.uber.org/zap"
)
// Open opens BlobStor.
func (b *BlobStor) Open(ctx context.Context, mode mode.Mode) error {
b.log.Debug(logs.BlobstorOpening)
b.modeMtx.Lock()
defer b.modeMtx.Unlock()
b.mode = mode
err := b.openBlobStor(ctx, mode)
if err != nil {
return err
}
b.metrics.SetMode(mode.ReadOnly())
return nil
}
func (b *BlobStor) openBlobStor(ctx context.Context, mode mode.Mode) error {
readOnly := mode.ReadOnly()
for i := range b.storage {
select {
case <-ctx.Done():
return ctx.Err()
default:
}
err := b.storage[i].Storage.Open(readOnly)
if err != nil {
return err
}
}
return nil
}
// ErrInitBlobovniczas is returned when blobovnicza initialization fails.
var ErrInitBlobovniczas = errors.New("failure on blobovnicza initialization stage")
// Init initializes internal data structures and system resources.
//
// If BlobStor is already initialized, no action is taken.
//
// Returns wrapped ErrInitBlobovniczas on blobovnicza tree's initializaiton failure.
func (b *BlobStor) Init() error {
b.log.Debug(logs.BlobstorInitializing)
if err := b.compression.Init(); err != nil {
return err
}
for i := range b.storage {
err := b.storage[i].Storage.Init()
if err != nil {
return fmt.Errorf("%w: %v", ErrInitBlobovniczas, err)
}
}
return nil
}
// Close releases all internal resources of BlobStor.
func (b *BlobStor) Close() error {
b.log.Debug(logs.BlobstorClosing)
var firstErr error
for i := range b.storage {
err := b.storage[i].Storage.Close()
if err != nil {
b.log.Info(logs.BlobstorCouldntCloseStorage, zap.String("error", err.Error()))
if firstErr == nil {
firstErr = err
}
continue
}
}
err := b.compression.Close()
if firstErr == nil {
firstErr = err
}
if firstErr == nil {
b.metrics.Close()
}
return firstErr
}