layercake

Documentation

Overview

Abstracts a layered filesystem provider, such as docker's Graph

Index

• type AufsCake
  • func (a *AufsCake) Create(childID, parentID ID, id string) error
  • func (a *AufsCake) Get(id ID) (*image.Image, error)
  • func (a *AufsCake) GetAllLeaves() ([]ID, error)
  • func (a *AufsCake) IsLeaf(id ID) (bool, error)
  • func (a *AufsCake) Remove(id ID) error
• type Cake
• type ContainerID
  • func (c ContainerID) GraphID() string
• type Docker
  • func (d *Docker) All() (layers []*image.Image)
  • func (d *Docker) Create(layerID, parentID ID, containerID string) error
  • func (d *Docker) DriverName() string
  • func (d *Docker) Get(id ID) (*image.Image, error)
  • func (d *Docker) GetAllLeaves() ([]ID, error)
  • func (d *Docker) IsLeaf(id ID) (bool, error)
  • func (d *Docker) Path(id ID) (result string, err error)
  • func (d *Docker) QuotaedPath(id ID, quota int64) (string, error)
  • func (d *Docker) Register(image *image.Image, layer archive.ArchiveReader) error
  • func (d *Docker) RegisterWithQuota(image *image.Image, layer archive.ArchiveReader, quota int64) error
  • func (d *Docker) Remove(id ID) error
  • func (d *Docker) Unmount(id ID) error
• type DockerImageID
  • func (d DockerImageID) GraphID() string
• type GraphPath
  • func (gp GraphPath) HealthCheck() error
• type ID
• type IDProvider
• type LocalImageID
  • func (c LocalImageID) GraphID() string
• type NamespacedLayerID
  • func NamespacedID(id ID, cacheKey string) NamespacedLayerID
  • func (n NamespacedLayerID) GraphID() string
• type QuotaedDriver
• type Retainer

Types

type AufsCake

type AufsCake struct {
	Cake
	Runner    commandrunner.CommandRunner
	GraphRoot string
}

func (*AufsCake) Create

func (a *AufsCake) Create(childID, parentID ID, id string) error

func (*AufsCake) Get

func (a *AufsCake) Get(id ID) (*image.Image, error)

func (*AufsCake) GetAllLeaves

func (a *AufsCake) GetAllLeaves() ([]ID, error)

func (*AufsCake) IsLeaf

func (a *AufsCake) IsLeaf(id ID) (bool, error)

func (*AufsCake) Remove

func (a *AufsCake) Remove(id ID) error

type Cake

type Cake interface {
	DriverName() string
	Create(layerID, parentID ID, containerID string) error
	Register(img *image.Image, layer archive.ArchiveReader) error
	RegisterWithQuota(img *image.Image, layer archive.ArchiveReader, quota int64) error
	Get(id ID) (*image.Image, error)
	Unmount(id ID) error
	Remove(id ID) error
	Path(id ID) (string, error)
	QuotaedPath(id ID, quota int64) (string, error)
	IsLeaf(id ID) (bool, error)
	GetAllLeaves() ([]ID, error)
	All() []*image.Image
}

type ContainerID

type ContainerID string

func (ContainerID) GraphID

func (c ContainerID) GraphID() string

type Docker

type Docker struct {
	Graph  *graph.Graph
	Driver graphdriver.Driver
}

func (*Docker) All

func (d *Docker) All() (layers []*image.Image)

func (*Docker) Create

func (d *Docker) Create(layerID, parentID ID, containerID string) error

func (*Docker) DriverName

func (d *Docker) DriverName() string

func (*Docker) Get

func (d *Docker) Get(id ID) (*image.Image, error)

func (*Docker) GetAllLeaves

func (d *Docker) GetAllLeaves() ([]ID, error)

func (*Docker) IsLeaf

func (d *Docker) IsLeaf(id ID) (bool, error)

func (*Docker) Path

func (d *Docker) Path(id ID) (result string, err error)

func (*Docker) QuotaedPath

func (d *Docker) QuotaedPath(id ID, quota int64) (string, error)

func (*Docker) Register

func (d *Docker) Register(image *image.Image, layer archive.ArchiveReader) error

func (*Docker) RegisterWithQuota

func (d *Docker) RegisterWithQuota(image *image.Image, layer archive.ArchiveReader, quota int64) error

func (*Docker) Remove

func (d *Docker) Remove(id ID) error

func (*Docker) Unmount

func (d *Docker) Unmount(id ID) error

type DockerImageID

type DockerImageID string

func (DockerImageID) GraphID

func (d DockerImageID) GraphID() string

type GraphPath

type GraphPath string

func (GraphPath) HealthCheck

func (gp GraphPath) HealthCheck() error

type ID

type ID interface {
	GraphID() string
}

type IDProvider

type IDProvider interface {
	ProvideID(path string) (ID, error)
}

type LocalImageID

type LocalImageID struct {
	Path         string
	ModifiedTime time.Time
}

func (LocalImageID) GraphID

func (c LocalImageID) GraphID() string

type NamespacedLayerID

type NamespacedLayerID struct {
	LayerID  ID
	CacheKey string
}

func NamespacedID

func NamespacedID(id ID, cacheKey string) NamespacedLayerID

func (NamespacedLayerID) GraphID

func (n NamespacedLayerID) GraphID() string

type QuotaedDriver

type QuotaedDriver interface {
	graphdriver.Driver
	GetQuotaed(id, mountlabel string, quota int64) (string, error)
}

type Retainer

type Retainer interface {
	Retain(log lager.Logger, id ID)
}