frostfs-node/pkg/local_object_storage/blobovnicza/control.go
Evgenii Stratonikov 674f520da7 [#1132] *: Use path/filepath package when working with files
Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
2022-02-03 10:12:07 +03:00

88 lines
2 KiB
Go

package blobovnicza
import (
"fmt"
"path/filepath"
"github.com/nspcc-dev/neofs-node/pkg/util"
"go.etcd.io/bbolt"
"go.uber.org/zap"
)
// Open opens an internal database at configured path with configured permissions.
//
// If the database file does not exist then it will be created automatically.
func (b *Blobovnicza) Open() error {
b.log.Debug("creating directory for BoltDB",
zap.String("path", b.path),
zap.Bool("ro", b.boltOptions.ReadOnly),
)
var err error
if !b.boltOptions.ReadOnly {
err = util.MkdirAllX(filepath.Dir(b.path), b.perm)
if err != nil {
return err
}
}
b.log.Debug("opening BoltDB",
zap.String("path", b.path),
zap.Stringer("permissions", b.perm),
)
b.boltDB, err = bbolt.Open(b.path, b.perm, b.boltOptions)
return err
}
// Init initializes internal database structure.
//
// If Blobovnicza is already initialized, then no action is taken.
//
// Should not be called in read-only configuration.
func (b *Blobovnicza) Init() error {
b.log.Debug("initializing...",
zap.Uint64("object size limit", b.objSizeLimit),
zap.Uint64("storage size limit", b.fullSizeLimit),
)
if size := b.filled.Load(); size != 0 {
b.log.Debug("already initialized", zap.Uint64("size", size))
return nil
}
var size uint64
err := b.boltDB.Update(func(tx *bbolt.Tx) error {
return b.iterateBucketKeys(func(lower, upper uint64, key []byte) (bool, error) {
// create size range bucket
rangeStr := stringifyBounds(lower, upper)
b.log.Debug("creating bucket for size range",
zap.String("range", rangeStr))
buck, err := tx.CreateBucketIfNotExists(key)
if err != nil {
return false, fmt.Errorf("(%T) could not create bucket for bounds %s: %w",
b, rangeStr, err)
}
size += uint64(buck.Stats().KeyN) * (upper + lower) / 2
return false, nil
})
})
b.filled.Store(size)
return err
}
// Close releases all internal database resources.
func (b *Blobovnicza) Close() error {
b.log.Debug("closing BoltDB",
zap.String("path", b.path),
)
return b.boltDB.Close()
}