forked from TrueCloudLab/distribution
67 lines
1.5 KiB
Go
67 lines
1.5 KiB
Go
package storage
|
|
|
|
import (
|
|
"path"
|
|
|
|
"github.com/docker/distribution/context"
|
|
"github.com/docker/distribution/registry/storage/driver"
|
|
"github.com/opencontainers/go-digest"
|
|
)
|
|
|
|
// vacuum contains functions for cleaning up repositories and blobs
|
|
// These functions will only reliably work on strongly consistent
|
|
// storage systems.
|
|
// https://en.wikipedia.org/wiki/Consistency_model
|
|
|
|
// NewVacuum creates a new Vacuum
|
|
func NewVacuum(ctx context.Context, driver driver.StorageDriver) Vacuum {
|
|
return Vacuum{
|
|
ctx: ctx,
|
|
driver: driver,
|
|
}
|
|
}
|
|
|
|
// Vacuum removes content from the filesystem
|
|
type Vacuum struct {
|
|
driver driver.StorageDriver
|
|
ctx context.Context
|
|
}
|
|
|
|
// RemoveBlob removes a blob from the filesystem
|
|
func (v Vacuum) RemoveBlob(dgst string) error {
|
|
d, err := digest.Parse(dgst)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
blobPath, err := pathFor(blobPathSpec{digest: d})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
context.GetLogger(v.ctx).Infof("Deleting blob: %s", blobPath)
|
|
|
|
err = v.driver.Delete(v.ctx, blobPath)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// RemoveRepository removes a repository directory from the
|
|
// filesystem
|
|
func (v Vacuum) RemoveRepository(repoName string) error {
|
|
rootForRepository, err := pathFor(repositoriesRootPathSpec{})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
repoDir := path.Join(rootForRepository, repoName)
|
|
context.GetLogger(v.ctx).Infof("Deleting repo: %s", repoDir)
|
|
err = v.driver.Delete(v.ctx, repoDir)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}
|