imagedesc

package
v0.39.0 Latest Latest
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 Go to latest Published: Oct 25, 2023 License: Apache-2.0 Imports: 15 Imported by: 0

Documentation

Overview

Package imagedesc defines the description of image, indexes and layers used by go-containerregistry

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type ConfigDescriptor 

type ConfigDescriptor struct {
	Digest string
	Raw    string
}

type DescribedCompressedLayer 

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

DescribedCompressedLayer Represents a Layer that is part of a Tar file generated by imgpkg

func NewDescribedCompressedLayer 

func NewDescribedCompressedLayer(desc ImageLayerDescriptor, contents LayerContents) DescribedCompressedLayer

NewDescribedCompressedLayer Builds DescribedCompressedLayer struct

func (DescribedCompressedLayer) Compressed 

func (l DescribedCompressedLayer) Compressed() (io.ReadCloser, error)

Compressed returns a reader for the Layer anv validates the Digest of the layer matches

func (DescribedCompressedLayer) DiffID 

func (l DescribedCompressedLayer) DiffID() (regv1.Hash, error)

DiffID returns the DiffID of the layer

func (DescribedCompressedLayer) Digest 

func (l DescribedCompressedLayer) Digest() (regv1.Hash, error)

Digest returns the Digest of the layer

func (DescribedCompressedLayer) MediaType 

func (l DescribedCompressedLayer) MediaType() (types.MediaType, error)

MediaType returns the Media Type of the layer

func (DescribedCompressedLayer) Size 

func (l DescribedCompressedLayer) Size() (int64, error)

Size returns the size of the Layer

func (DescribedCompressedLayer) Uncompressed 

func (l DescribedCompressedLayer) Uncompressed() (io.ReadCloser, error)

Uncompressed returns a reader for the Layer uncompressed

type DescribedImage 

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

func NewDescribedImage 

func NewDescribedImage(desc ImageDescriptor, layerProvider LayerProvider) DescribedImage

func (DescribedImage) ConfigFile 

func (i DescribedImage) ConfigFile() (*regv1.ConfigFile, error)

ConfigFile returns this image's config file.

func (DescribedImage) ConfigName 

func (i DescribedImage) ConfigName() (regv1.Hash, error)

ConfigName returns the hash of the image's config file.

func (DescribedImage) Digest 

func (i DescribedImage) Digest() (regv1.Hash, error)

Digest returns the sha256 of this image's manifest.

func (DescribedImage) LayerByDiffID 

func (i DescribedImage) LayerByDiffID(diffID regv1.Hash) (regv1.Layer, error)

LayerByDiffID is an analog to LayerByDigest, looking up by "diff id" (the uncompressed hash).

func (DescribedImage) LayerByDigest 

func (i DescribedImage) LayerByDigest(digest regv1.Hash) (regv1.Layer, error)

LayerByDigest returns a Layer for interacting with a particular layer of the image, looking it up by "digest" (the compressed hash).

func (DescribedImage) Layers 

func (i DescribedImage) Layers() ([]regv1.Layer, error)

Layers returns the ordered collection of filesystem layers that comprise this image. The order of the list is oldest/base layer first, and most-recent/top layer last.

func (DescribedImage) Manifest 

func (i DescribedImage) Manifest() (*regv1.Manifest, error)

Manifest returns this image's Manifest object.

func (DescribedImage) MediaType 

func (i DescribedImage) MediaType() (types.MediaType, error)

MediaType of this image's manifest.

func (DescribedImage) RawConfigFile 

func (i DescribedImage) RawConfigFile() ([]byte, error)

RawConfigFile returns the serialized bytes of ConfigFile()

func (DescribedImage) RawManifest 

func (i DescribedImage) RawManifest() ([]byte, error)

RawManifest returns the serialized bytes of Manifest()

func (DescribedImage) Ref 

func (i DescribedImage) Ref() string

func (DescribedImage) Size 

func (i DescribedImage) Size() (int64, error)

func (DescribedImage) Tag 

func (i DescribedImage) Tag() string

type DescribedImageIndex 

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

func NewDescribedImageIndex 

func NewDescribedImageIndex(desc ImageIndexDescriptor,
	images []regv1.Image, indexes []regv1.ImageIndex) DescribedImageIndex

func (DescribedImageIndex) Digest 

func (i DescribedImageIndex) Digest() (regv1.Hash, error)

func (DescribedImageIndex) Image 

func (i DescribedImageIndex) Image(digest regv1.Hash) (regv1.Image, error)

Image retrieve the image that matches the provided digest

func (DescribedImageIndex) ImageIndex 

func (i DescribedImageIndex) ImageIndex(digest regv1.Hash) (regv1.ImageIndex, error)

ImageIndex retrieve the index that matches the provided digest

func (DescribedImageIndex) Images 

func (i DescribedImageIndex) Images() []regv1.Image

Images retrieve all images associated with the described image

func (DescribedImageIndex) IndexManifest 

func (i DescribedImageIndex) IndexManifest() (*regv1.IndexManifest, error)

func (DescribedImageIndex) Indexes 

func (i DescribedImageIndex) Indexes() []regv1.ImageIndex

Indexes retrieve all indexes associated with the described image

func (DescribedImageIndex) MediaType 

func (i DescribedImageIndex) MediaType() (types.MediaType, error)

func (DescribedImageIndex) RawManifest 

func (i DescribedImageIndex) RawManifest() ([]byte, error)

func (DescribedImageIndex) Ref 

func (i DescribedImageIndex) Ref() string

func (DescribedImageIndex) Size 

func (i DescribedImageIndex) Size() (int64, error)

func (DescribedImageIndex) Tag 

func (i DescribedImageIndex) Tag() string

type DescribedReader 

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

func NewDescribedReader 

func NewDescribedReader(ids *ImageRefDescriptors, layerProvider LayerProvider) DescribedReader

func (DescribedReader) Read 

func (r DescribedReader) Read() []ImageOrIndex

type ImageDescriptor 

type ImageDescriptor struct {
	Refs   []string
	Layers []ImageLayerDescriptor

	Config   ConfigDescriptor
	Manifest ManifestDescriptor
	Tag      string
	OrigRef  string
	Labels   map[string]string
}

func (ImageDescriptor) SortKey 

func (td ImageDescriptor) SortKey() string

type ImageIndexDescriptor 

type ImageIndexDescriptor struct {
	Refs    []string
	Images  []ImageDescriptor
	Indexes []ImageIndexDescriptor

	MediaType string
	Digest    string
	Raw       string
	Tag       string
	OrigRef   string

	Labels map[string]string
}

func (ImageIndexDescriptor) SortKey 

func (td ImageIndexDescriptor) SortKey() string

type ImageIndexWithRef 

type ImageIndexWithRef interface {
	regv1.ImageIndex
	Ref() string
	Tag() string
}

type ImageLayerDescriptor 

type ImageLayerDescriptor struct {
	MediaType string
	Digest    string
	DiffID    string
	Size      int64
}

func (ImageLayerDescriptor) IsDistributable 

func (td ImageLayerDescriptor) IsDistributable() bool

type ImageOrImageIndexDescriptor 

type ImageOrImageIndexDescriptor struct {
	ImageIndex *ImageIndexDescriptor
	Image      *ImageDescriptor
}

func (ImageOrImageIndexDescriptor) OrigRef 

func (td ImageOrImageIndexDescriptor) OrigRef() string

OrigRef returns ImagesLock's image value of an Image or an ImageIndex

func (ImageOrImageIndexDescriptor) SortKey 

func (td ImageOrImageIndexDescriptor) SortKey() string

type ImageOrIndex 

type ImageOrIndex struct {
	Image *ImageWithRef
	Index *ImageIndexWithRef

	Labels map[string]string

	OrigRef string
}

func (ImageOrIndex) Digest 

func (t ImageOrIndex) Digest() (regv1.Hash, error)

func (ImageOrIndex) Ref 

func (t ImageOrIndex) Ref() string

func (ImageOrIndex) Tag 

func (t ImageOrIndex) Tag() string

type ImageRefDescriptors 

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

func NewImageRefDescriptors 

func NewImageRefDescriptors(refs []Metadata, registry Registry) (*ImageRefDescriptors, error)

func NewImageRefDescriptorsFromBytes 

func NewImageRefDescriptorsFromBytes(data []byte) (*ImageRefDescriptors, error)

func (*ImageRefDescriptors) AsBytes 

func (ids *ImageRefDescriptors) AsBytes() ([]byte, error)

func (*ImageRefDescriptors) Descriptors 

func (ids *ImageRefDescriptors) Descriptors() []ImageOrImageIndexDescriptor

func (*ImageRefDescriptors) FindLayer 

func (ids *ImageRefDescriptors) FindLayer(layerTD ImageLayerDescriptor) (LayerContents, error)

type ImageWithRef 

type ImageWithRef interface {
	regv1.Image
	Ref() string
	Tag() string
}

type LayerContents 

type LayerContents interface {
	Open() (io.ReadCloser, error)
}

type LayerProvider 

type LayerProvider interface {
	FindLayer(ImageLayerDescriptor) (LayerContents, error)
}

type ManifestDescriptor 

type ManifestDescriptor struct {
	MediaType string
	Digest    string
	Raw       string
}

type Metadata 

type Metadata struct {
	Ref     regname.Reference
	Tag     string
	Labels  map[string]string
	OrigRef string
}

type Registry 

type Registry interface {
	Get(regname.Reference) (*regremote.Descriptor, error)
	Digest(regname.Reference) (regv1.Hash, error)
	Index(regname.Reference) (regv1.ImageIndex, error)
	Image(regname.Reference) (regv1.Image, error)
}

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