images

package

v1.11.9-beta.0 Latest Latest Go to latest Published: Feb 28, 2019 License: Apache-2.0 Imports: 8 Imported by: 0

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func GetAllImages(cfg *kubeadmapi.MasterConfiguration) []string

GetAllImages returns a list of container images kubeadm expects to use on a control plane node

func GetCoreImage(image, repoPrefix, k8sVersion, overrideImage string) string

GetCoreImage generates and returns the image for the core Kubernetes components or returns overrideImage if specified

func GetGenericArchImage(prefix, image, tag string) string

GetGenericArchImage generates and returns an image based on the current runtime arch

func GetGenericImage(prefix, image, tag string) string

GetGenericImage generates and returns a platform agnostic image (backed by manifest list)

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

CRInterfacer is a struct that interfaces with the container runtime

func NewCRInterfacer(execer utilsexec.Interface, criSocket string) (*CRInterfacer, error)

NewCRInterfacer sets up and returns a CRInterfacer

func (cri *CRInterfacer) Exists(image string) error

Exists checks to see if the image exists on the system already Returns an error if the image is not found.

func (cri *CRInterfacer) Pull(image string) error

Pull pulls the actual image using either crictl or docker

type Existence interface {
	Exists(string) error
}

Existence is an interface to determine if an image exists on the system A nil error means the image was found

type Images interface {
	Puller
	Existence
}

Images defines the set of behaviors needed for images relating to the CRI

type Puller interface {
	Pull(string) error
}

Puller is an interface for pulling images