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