images

package

v0.0.0-...-3abba25 Latest Latest Go to latest Published: Jun 15, 2018 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

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