forked from containerd/containerd
/
meta.go
54 lines (42 loc) · 1.21 KB
/
meta.go
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// +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
}