imageresolver

Documentation

Index

• type CraneOption
  • func Insecure() CraneOption
  • func WithDefaultKeychain() CraneOption
  • func WithUserPassAuth(username, password string) CraneOption
• type CraneResolver
  • func NewCraneResolver(opts ...CraneOption) CraneResolver
  • func (res CraneResolver) ResolveImageReference(imageReference string) (string, error)
• type ImageResolver
  • func GetResolver(resolver ResolverOption, args map[string]string) (ImageResolver, error)
• type ResolverOption
  • func (opt *ResolverOption) String() string
• type ResolverOptions
  • func GetResolverOptions() ResolverOptions
  • func (opts ResolverOptions) String() string
• type Script
  • func (custom *Script) ResolveImageReference(imageReference string) (string, error)
• type Skopeo
  • func NewSkopeoResolver(skopeoPath, authFile string) (*Skopeo, error)
  • func (skopeo *Skopeo) ResolveImageReference(imageReference string) (string, error)

Types

type CraneOption

type CraneOption func(*CraneResolver)

CraneOption is a function that configures the `CraneResolver`

func Insecure

func Insecure() CraneOption

Insecure returns a CraneOption that sets the auth to insecure

func WithDefaultKeychain

func WithDefaultKeychain() CraneOption

WithDefaultAuth returns a CraneOption that sets the auth to the default keychain

func WithUserPassAuth

func WithUserPassAuth(username, password string) CraneOption

WithUserPassAuth returns a CraneOption that adds an authenticator

type CraneResolver

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

DefaultResolver uses the containers series of libraries to resolve image digests

func NewCraneResolver

func NewCraneResolver(opts ...CraneOption) CraneResolver

NewCraneResolver returns a CraneResolver with the applied options.

func (CraneResolver) ResolveImageReference

func (res CraneResolver) ResolveImageReference(imageReference string) (string, error)

type ImageResolver

type ImageResolver interface {
	// ResolveImageReference will use the image resolver to map an image reference
	// to the image's SHA256 value from the registry.
	ResolveImageReference(imageReference string) (string, error)
}

ImageResolve implements a method of identifying an image reference.

func GetResolver

func GetResolver(resolver ResolverOption, args map[string]string) (ImageResolver, error)

type ResolverOption

type ResolverOption string

const (
	ResolverCrane  ResolverOption = "crane"
	ResolverSkopeo ResolverOption = "skopeo"
	ResolverScript ResolverOption = "script"
)

func (*ResolverOption) String

func (opt *ResolverOption) String() string

type ResolverOptions

type ResolverOptions []ResolverOption

func GetResolverOptions

func GetResolverOptions() ResolverOptions

func (ResolverOptions) String

func (opts ResolverOptions) String() string

type Script

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

Script supports using a script/executable as an image resolver. The script only needs to return the digest. Examples of custom resolvers can be found in the hack/resolvers folder on the repo.

func (*Script) ResolveImageReference

func (custom *Script) ResolveImageReference(imageReference string) (string, error)

type Skopeo

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

Skopeo is the default image resolver using skopeo.

func NewSkopeoResolver

func NewSkopeoResolver(skopeoPath, authFile string) (*Skopeo, error)

NewSkopeoResolver returns the skopeo resolver setting the exec filepath and the authfile used by skopeo.

func (*Skopeo) ResolveImageReference

func (skopeo *Skopeo) ResolveImageReference(imageReference string) (string, error)

ResolveImageReference will use the image resolver to map an image reference to the image's SHA256 value from the registry.