rootfs_provider

Documentation

Index

• Variables
• type Copier
• type GraphDriver
• type Mapper
• type Mapping
• type MappingList
  • func (m MappingList) Map(id int) int
• type Namespacer
• type RootFSProvider
  • func NewDocker(repoFetcher repository_fetcher.RepositoryFetcher, graphDriver GraphDriver, ...) (RootFSProvider, error)
  • func NewOverlay(binPath string, overlaysPath string, defaultRootFS string, ...) RootFSProvider
• type ShellOutCp
  • func (s ShellOutCp) Copy(src, dest string) error
• type SimpleVolumeCreator
  • func (SimpleVolumeCreator) Create(root string, volume string) error
• type UidNamespacer
  • func (n *UidNamespacer) Namespace(rootfsPath string) error
• type UidTranslator
  • func NewUidTranslator(uidMappings Mapper, gidMappings Mapper) *UidTranslator
  • func (u UidTranslator) Translate(path string, info os.FileInfo, err error) error
• type VolumeCreator

Variables

var ErrInvalidDockerURL = errors.New("invalid docker url")

Types

type Copier

type Copier interface {
	Copy(src, dest string) error
}

type GraphDriver

type GraphDriver interface {
	graphdriver.Driver
}

type Mapper

type Mapper interface {
	Map(id int) int
}

type Mapping

type Mapping struct {
	FromID int
	ToID   int
	Size   int
}

type MappingList

type MappingList []Mapping

func (MappingList) Map

func (m MappingList) Map(id int) int

type Namespacer

type Namespacer interface {
	Namespace(rootfsPath string) error
}

type RootFSProvider

type RootFSProvider interface {
	ProvideRootFS(logger lager.Logger, id string, rootfs *url.URL, namespaced bool) (mountpoint string, envvar process.Env, err error)
	CleanupRootFS(logger lager.Logger, id string) error
}

func NewDocker

func NewDocker(
	repoFetcher repository_fetcher.RepositoryFetcher,
	graphDriver GraphDriver,
	volumeCreator VolumeCreator,
	namespacer Namespacer,
	copier Copier,
	clock clock.Clock,
) (RootFSProvider, error)

func NewOverlay

func NewOverlay(
	binPath string,
	overlaysPath string,
	defaultRootFS string,
	runner command_runner.CommandRunner,
) RootFSProvider

type ShellOutCp

type ShellOutCp struct {
	WorkDir string
}

func (ShellOutCp) Copy

func (s ShellOutCp) Copy(src, dest string) error

type SimpleVolumeCreator

type SimpleVolumeCreator struct{}

SimpleVolumeCreator implements volume creation by (simply) creating the relevant directories. If a directory already exists in the image it is emptied.

func (SimpleVolumeCreator) Create

func (SimpleVolumeCreator) Create(root string, volume string) error

type UidNamespacer

type UidNamespacer struct {
	Translator filepath.WalkFunc
	Logger     lager.Logger
}

func (*UidNamespacer) Namespace

func (n *UidNamespacer) Namespace(rootfsPath string) error

type UidTranslator

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

func NewUidTranslator

func NewUidTranslator(uidMappings Mapper, gidMappings Mapper) *UidTranslator

func (UidTranslator) Translate

func (u UidTranslator) Translate(path string, info os.FileInfo, err error) error

type VolumeCreator

type VolumeCreator interface {
	Create(root string, volume string) error
}