storage

Documentation

Index

• func CleanupSandbox(rootDir string) error
• type ImageStore
  • func NewImageStore(rootDir string) (*ImageStore, error)
  • func StoreFixture() (*ImageStore, func())
  • func StoreFixtureWithSampleImage() (*ImageStore, func())
  • func (store *ImageStore) SaveManifest(distManifest image.DistributionManifest, imageName image.Name) error
• type LayerTarStore
  • func NewLayerTarStore(rootdir string) (*LayerTarStore, error)
  • func (s *LayerTarStore) CreateDownloadFile(fileName string, len int64) error
  • func (s *LayerTarStore) DeleteStoreFile(fileName string) error
  • func (s *LayerTarStore) GetDownloadFileReadWriter(fileName string) (base.FileReadWriter, error)
  • func (s *LayerTarStore) GetDownloadFileReader(fileName string) (base.FileReader, error)
  • func (s *LayerTarStore) GetDownloadOrCacheFileStat(fileName string) (os.FileInfo, error)
  • func (s *LayerTarStore) GetStoreFileReader(fileName string) (base.FileReader, error)
  • func (s *LayerTarStore) GetStoreFileStat(fileName string) (os.FileInfo, error)
  • func (s *LayerTarStore) LinkStoreFileFrom(fileName, src string) error
  • func (s *LayerTarStore) LinkStoreFileTo(fileName, target string) error
  • func (s *LayerTarStore) MoveDownloadFileToStore(fileName string) error
• type ManifestStore
  • func NewManifestStore(rootdir string) (*ManifestStore, error)
  • func (s *ManifestStore) CreateDownloadFile(repo, tag string, len int64) error
  • func (s *ManifestStore) DeleteStoreFile(repo, tag string) error
  • func (s *ManifestStore) GetDownloadFileReadWriter(repo, tag string) (base.FileReadWriter, error)
  • func (s *ManifestStore) GetDownloadOrCacheFileStat(repo, tag string) (os.FileInfo, error)
  • func (s *ManifestStore) GetStoreFileReader(repo, tag string) (base.FileReader, error)
  • func (s *ManifestStore) GetStoreFileStat(repo, tag string) (os.FileInfo, error)
  • func (s *ManifestStore) LinkStoreFileFrom(repo, tag, src string) error
  • func (s *ManifestStore) LinkStoreFileTo(repo, tag, target string) error
  • func (s *ManifestStore) MoveDownloadFileToStore(repo, tag string) error
• type RootPreserver
  • func NewRootPreserver(rootDir, storageDir string, blacklist []string) (*RootPreserver, error)
  • func (r *RootPreserver) RestoreRoot() error

Functions

func CleanupSandbox

func CleanupSandbox(rootDir string) error

CleanupSandbox removes sandbox dir. This should be done after every build.

Types

type ImageStore

type ImageStore struct {
	RootDir    string
	SandboxDir string
	Manifests  *ManifestStore
	Layers     *LayerTarStore
}

ImageStore contains a manifeststore, a layertarstore, and a sandbox dir.

func NewImageStore

func NewImageStore(rootDir string) (*ImageStore, error)

NewImageStore creates a new ImageStore.

func StoreFixture

func StoreFixture() (*ImageStore, func())

StoreFixture returns test store.

func StoreFixtureWithSampleImage

func StoreFixtureWithSampleImage() (*ImageStore, func())

StoreFixtureWithSampleImage returns test store with sample image.

func (*ImageStore) SaveManifest

func (store *ImageStore) SaveManifest(
	distManifest image.DistributionManifest, imageName image.Name) error

type LayerTarStore

type LayerTarStore struct {
	// contains filtered or unexported fields
}

LayerTarStore manages layer tar files on local disk.

func NewLayerTarStore

func NewLayerTarStore(rootdir string) (*LayerTarStore, error)

NewLayerTarStore initializes and returns a new LayerTarStore object.

func (*LayerTarStore) CreateDownloadFile

func (s *LayerTarStore) CreateDownloadFile(fileName string, len int64) error

CreateDownloadFile creates an empty file in download directory with specified size.

func (*LayerTarStore) DeleteStoreFile

func (s *LayerTarStore) DeleteStoreFile(fileName string) error

DeleteStoreFile deletes a file from store directory.

func (*LayerTarStore) GetDownloadFileReadWriter

func (s *LayerTarStore) GetDownloadFileReadWriter(fileName string) (base.FileReadWriter, error)

GetDownloadFileReadWriter returns a FileReadWriter for a file in download directory.

func (*LayerTarStore) GetDownloadFileReader

func (s *LayerTarStore) GetDownloadFileReader(fileName string) (base.FileReader, error)

GetDownloadFileReader returns a FileReader for a file in download directory.

func (*LayerTarStore) GetDownloadOrCacheFileStat

func (s *LayerTarStore) GetDownloadOrCacheFileStat(fileName string) (os.FileInfo, error)

GetDownloadOrCacheFileStat returns os.FileInfo for a file in download or cache directory.

func (*LayerTarStore) GetStoreFileReader

func (s *LayerTarStore) GetStoreFileReader(fileName string) (base.FileReader, error)

GetStoreFileReader returns a FileReader for a file in store directory.

func (*LayerTarStore) GetStoreFileStat

func (s *LayerTarStore) GetStoreFileStat(fileName string) (os.FileInfo, error)

GetStoreFileStat returns FileInfo of the specified file.

func (*LayerTarStore) LinkStoreFileFrom

func (s *LayerTarStore) LinkStoreFileFrom(fileName, src string) error

LinkStoreFileFrom create a hardlink in store from given source path.

func (*LayerTarStore) LinkStoreFileTo

func (s *LayerTarStore) LinkStoreFileTo(fileName, target string) error

LinkStoreFileTo hardlinks file from store to target

func (*LayerTarStore) MoveDownloadFileToStore

func (s *LayerTarStore) MoveDownloadFileToStore(fileName string) error

MoveDownloadFileToStore moves a file from store directory to cache directory.

type ManifestStore

type ManifestStore struct {
	// contains filtered or unexported fields
}

ManifestStore manages image manifest files on local disk. It uses repo/tag as file name, distribution manifest as content. Notice manifest is not the same as image config.

func NewManifestStore

func NewManifestStore(rootdir string) (*ManifestStore, error)

NewManifestStore initializes and returns a new ManifestStore object.

func (*ManifestStore) CreateDownloadFile

func (s *ManifestStore) CreateDownloadFile(repo, tag string, len int64) error

CreateDownloadFile creates an empty file in download directory with specified size.

func (*ManifestStore) DeleteStoreFile

func (s *ManifestStore) DeleteStoreFile(repo, tag string) error

DeleteStoreFile deletes a file from store directory. TODO: deref all layers.

func (*ManifestStore) GetDownloadFileReadWriter

func (s *ManifestStore) GetDownloadFileReadWriter(repo, tag string) (base.FileReadWriter, error)

GetDownloadFileReadWriter returns a FileReadWriter for a file in download directory.

func (*ManifestStore) GetDownloadOrCacheFileStat

func (s *ManifestStore) GetDownloadOrCacheFileStat(repo, tag string) (os.FileInfo, error)

GetDownloadOrCacheFileStat returns os.FileInfo for a file in download or cache directory.

func (*ManifestStore) GetStoreFileReader

func (s *ManifestStore) GetStoreFileReader(repo, tag string) (base.FileReader, error)

GetStoreFileReader returns a FileReader for a file in store directory.

func (*ManifestStore) GetStoreFileStat

func (s *ManifestStore) GetStoreFileStat(repo, tag string) (os.FileInfo, error)

GetStoreFileStat returns os.FileInfo for a file in store directory.

func (*ManifestStore) LinkStoreFileFrom

func (s *ManifestStore) LinkStoreFileFrom(repo, tag, src string) error

LinkStoreFileFrom create a hardlink in store from given source path.

func (*ManifestStore) LinkStoreFileTo

func (s *ManifestStore) LinkStoreFileTo(repo, tag, target string) error

LinkStoreFileTo hardlinks file from store to target

func (*ManifestStore) MoveDownloadFileToStore

func (s *ManifestStore) MoveDownloadFileToStore(repo, tag string) error

MoveDownloadFileToStore moves a file from store directory to cache directory.

type RootPreserver

type RootPreserver struct {
	InitialRootDir string
	SavedRootDir   string
	// contains filtered or unexported fields
}

RootPreserver contains the locations of:

• the "old" root, the one before running makisu that will get removed by `MemFS.Remove()` at the end of the build command
• the "saved" root, a dir containing a copy of everyfile of the "old" root

func NewRootPreserver

func NewRootPreserver(rootDir, storageDir string, blacklist []string) (*RootPreserver, error)

NewRootPreserver creates a new RootPreserver.

func (*RootPreserver) RestoreRoot

func (r *RootPreserver) RestoreRoot() error

RestoreRoot will copy the backupDir in the initial root dir