image

Documentation

Index

• func DeleteFromCacheDir(images []string) error
• func DigestByDockerLib(imgClient *client.Client, imgName string) string
• func DigestByGoLib(imgName string) string
• func SaveToDir(images []string, cacheDir string) error
• func WriteImageToDaemon(img string) error

Functions

func DeleteFromCacheDir

func DeleteFromCacheDir(images []string) error

DeleteFromCacheDir deletes tar files stored in cache dir

func DigestByDockerLib

func DigestByDockerLib(imgClient *client.Client, imgName string) string

DigestByDockerLib uses client by docker lib to return image digest img.ID in as same as image digest

func DigestByGoLib

func DigestByGoLib(imgName string) string

DigestByGoLib gets image digest uses go-containerregistry lib which is 4s slower thabn local daemon per lookup https://github.com/google/go-containerregistry/issues/627

func SaveToDir

func SaveToDir(images []string, cacheDir string) error

SaveToDir will cache images on the host

The cache directory currently caches images using the imagename_tag For example, k8s.gcr.io/kube-addon-manager:v6.5 would be stored at $CACHE_DIR/k8s.gcr.io/kube-addon-manager_v6.5

func WriteImageToDaemon

func WriteImageToDaemon(img string) error

WriteImageToDaemon write img to the local docker daemon