frostfs-node/pkg/local_object_storage/metabase/v2/containers.go
Alex Vanin a1cb48f800 [#231] metabase: Add container lister
Signed-off-by: Alex Vanin <alexey@nspcc.ru>
2020-12-11 17:19:37 +03:00

49 lines
828 B
Go

package meta
import (
"strings"
"github.com/nspcc-dev/neofs-api-go/pkg/container"
"go.etcd.io/bbolt"
)
func (db *DB) Containers() (list []*container.ID, err error) {
err = db.boltDB.View(func(tx *bbolt.Tx) error {
list, err = db.containers(tx)
return err
})
return list, err
}
func (db *DB) containers(tx *bbolt.Tx) ([]*container.ID, error) {
result := make([]*container.ID, 0)
err := tx.ForEach(func(name []byte, _ *bbolt.Bucket) error {
id, err := parseContainerID(name)
if err != nil {
return err
}
if id != nil {
result = append(result, id)
}
return nil
})
return result, err
}
func parseContainerID(name []byte) (*container.ID, error) {
strName := string(name)
if strings.Contains(strName, "_") {
return nil, nil
}
id := container.NewID()
return id, id.Parse(strName)
}