68 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			Go
		
	
	
			
		
		
	
	
			68 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			Go
		
	
	
| package storage
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| 
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| import (
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| 	"path"
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| 	context.GetLogger(v.ctx).Infof("Deleting blob: %s", blobPath)
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| 
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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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| 
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| 	return nil
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| }
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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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| 
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| 	return nil
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| }
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