execregistry

Documentation

Index

• type CommandRunner
• type Registry
  • func NewRegistry(tool containertools.ContainerTool, logger *logrus.Entry, ...) (registry *Registry, err error)
  • func (r *Registry) Destroy() error
  • func (r *Registry) Labels(ctx context.Context, ref image.Reference) (map[string]string, error)
  • func (r *Registry) Pull(ctx context.Context, ref image.Reference) error
  • func (r *Registry) Unpack(ctx context.Context, ref image.Reference, dir string) error

Types

type CommandRunner

type CommandRunner interface {
	containertools.CommandRunner

	Unpack(image, src, dst string) error
}

CommandRunner provides some basic methods for manipulating images via an external container tool.

type Registry

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

Registry enables manipulation of images via exec podman/docker commands.

func NewRegistry

func NewRegistry(tool containertools.ContainerTool, logger *logrus.Entry, opts ...containertools.RunnerOption) (registry *Registry, err error)

NewRegistry instantiates and returns a new registry which manipulates images via exec podman/docker commands.

func (*Registry) Destroy

func (r *Registry) Destroy() error

Destroy is no-op for exec tools

func (*Registry) Labels

func (r *Registry) Labels(ctx context.Context, ref image.Reference) (map[string]string, error)

Labels gets the labels for an image reference.

func (*Registry) Pull

func (r *Registry) Pull(ctx context.Context, ref image.Reference) error

Pull fetches and stores an image by reference.

func (*Registry) Unpack

func (r *Registry) Unpack(ctx context.Context, ref image.Reference, dir string) error

Unpack writes the unpackaged content of an image to a directory. If the referenced image does not exist in the registry, an error is returned.