55 lines
1.2 KiB
Go
55 lines
1.2 KiB
Go
// +build windows
|
|
|
|
package windows
|
|
|
|
// TODO: remove this file (i.e. meta.go) once we have a snapshotter
|
|
|
|
import (
|
|
"github.com/boltdb/bolt"
|
|
"github.com/containerd/containerd/errdefs"
|
|
"github.com/pkg/errors"
|
|
)
|
|
|
|
func newLayerFolderStore(tx *bolt.Tx) *layerFolderStore {
|
|
return &layerFolderStore{tx}
|
|
}
|
|
|
|
type layerFolderStore struct {
|
|
tx *bolt.Tx
|
|
}
|
|
|
|
func (s *layerFolderStore) Create(id, layer string) error {
|
|
bkt, err := s.tx.CreateBucketIfNotExists([]byte(pluginID))
|
|
if err != nil {
|
|
return errors.Wrapf(err, "failed to create bucket %s", pluginID)
|
|
}
|
|
err = bkt.Put([]byte(id), []byte(layer))
|
|
if err != nil {
|
|
return errors.Wrapf(err, "failed to store entry %s:%s", id, layer)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (s *layerFolderStore) Get(id string) (string, error) {
|
|
bkt := s.tx.Bucket([]byte(pluginID))
|
|
if bkt == nil {
|
|
return "", errors.Wrapf(errdefs.ErrNotFound, "bucket %s", pluginID)
|
|
}
|
|
|
|
return string(bkt.Get([]byte(id))), nil
|
|
}
|
|
|
|
func (s *layerFolderStore) Delete(id string) error {
|
|
bkt := s.tx.Bucket([]byte(pluginID))
|
|
if bkt == nil {
|
|
return errors.Wrapf(errdefs.ErrNotFound, "bucket %s", pluginID)
|
|
}
|
|
|
|
if err := bkt.Delete([]byte(id)); err != nil {
|
|
return errors.Wrapf(err, "failed to delete entry %s", id)
|
|
}
|
|
|
|
return nil
|
|
}
|