buildpackage

Documentation

Index

• Constants
• func BuildpacksFromOCILayoutBlob(blob dist.Blob) (mainBP dist.Buildpack, dependencies []dist.Buildpack, err error)
• func ConfigFromOCILayoutBlob(blob dist.Blob) (config v1.ImageConfig, err error)
• func ExtractBuildpacks(pkg Package) (mainBP dist.Buildpack, depBPs []dist.Buildpack, err error)
• func IsOCILayoutBlob(blob blob2.Blob) (bool, error)
• type ImageFactory
• type Metadata
• type Package
• type PackageBuilder
  • func NewBuilder(imageFactory ImageFactory) *PackageBuilder
  • func (b *PackageBuilder) AddDependency(buildpack dist.Buildpack)
  • func (b *PackageBuilder) SaveAsFile(path, imageOS string) error
  • func (b *PackageBuilder) SaveAsImage(repoName string, publish bool, imageOS string) (imgutil.Image, error)
  • func (b *PackageBuilder) SetBuildpack(buildpack dist.Buildpack)
• type WorkableImage

Constants

const MetadataLabel = "io.buildpacks.buildpackage.metadata"

Functions

func BuildpacksFromOCILayoutBlob

func BuildpacksFromOCILayoutBlob(blob dist.Blob) (mainBP dist.Buildpack, dependencies []dist.Buildpack, err error)

BuildpackFromOCILayoutBlob constructs buildpacks from a blob in OCI layout format.

func ConfigFromOCILayoutBlob

func ConfigFromOCILayoutBlob(blob dist.Blob) (config v1.ImageConfig, err error)

func ExtractBuildpacks

func ExtractBuildpacks(pkg Package) (mainBP dist.Buildpack, depBPs []dist.Buildpack, err error)

func IsOCILayoutBlob

func IsOCILayoutBlob(blob blob2.Blob) (bool, error)

IsOCILayoutBlob checks whether a blob is in OCI layout format.

Types

type ImageFactory

type ImageFactory interface {
	NewImage(repoName string, local bool) (imgutil.Image, error)
}

type Metadata

type Metadata struct {
	dist.BuildpackInfo
	Stacks []dist.Stack `toml:"stacks" json:"stacks"`
}

type Package

type Package interface {
	Label(name string) (value string, err error)
	GetLayer(diffID string) (io.ReadCloser, error)
}

type PackageBuilder

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

func NewBuilder

func NewBuilder(imageFactory ImageFactory) *PackageBuilder

func (*PackageBuilder) AddDependency

func (b *PackageBuilder) AddDependency(buildpack dist.Buildpack)

func (*PackageBuilder) SaveAsFile

func (b *PackageBuilder) SaveAsFile(path, imageOS string) error

func (*PackageBuilder) SaveAsImage

func (b *PackageBuilder) SaveAsImage(repoName string, publish bool, imageOS string) (imgutil.Image, error)

func (*PackageBuilder) SetBuildpack

func (b *PackageBuilder) SetBuildpack(buildpack dist.Buildpack)

type WorkableImage

type WorkableImage interface {
	SetOS(string) error
	SetLabel(string, string) error
	AddLayerWithDiffID(path, diffID string) error
}