change flag name to --base-image

cmd/minikube/cmd/start_flags.go

@@ -99,7 +99,7 @@ const (
 	nodes                   = "nodes"
 	preload                 = "preload"
 	deleteOnFailure         = "delete-on-failure"
-	dockerBaseImage         = "docker-base-image"
+	kicBaseImage            = "base-image"
 )
 
 // initMinikubeFlags includes commandline flags for minikube.
@@ -120,7 +120,7 @@ func initMinikubeFlags() {
 	startCmd.Flags().Bool(downloadOnly, false, "If true, only download and cache files for later use - don't install or start anything.")
 	startCmd.Flags().Bool(cacheImages, true, "If true, cache docker images for the current bootstrapper and load them into the machine. Always false with --driver=none.")
 	startCmd.Flags().StringSlice(isoURL, download.DefaultISOURLs(), "Locations to fetch the minikube ISO from.")
-	startCmd.Flags().String(dockerBaseImage, kic.BaseImage, "The base image to use for docker/podman drivers. Intended for local development.")
+	startCmd.Flags().String(kicBaseImage, kic.BaseImage, "The base image to use for docker/podman drivers. Intended for local development.")
 	startCmd.Flags().Bool(keepContext, false, "This will keep the existing kubectl context and will create a minikube context.")
 	startCmd.Flags().Bool(embedCerts, false, "if true, will embed the certs in kubeconfig.")
 	startCmd.Flags().String(containerRuntime, "docker", "The container runtime to be used (docker, crio, containerd).")

pkg/minikube/node/cache.go

@@ -101,7 +101,7 @@ func doCacheBinaries(k8sVersion string) error {
 // BeginDownloadKicArtifacts downloads the kic image + preload tarball, returns true if preload is available
 func beginDownloadKicArtifacts(g *errgroup.Group) {
 	glog.Info("Beginning downloading kic artifacts")
-	baseImage := viper.GetString("docker-base-image")
+	baseImage := viper.GetString("base-image")
 	if !image.ExistsImageInDaemon(baseImage) {
 		out.T(out.Pulling, "Pulling base image ...")
 		g.Go(func() error {

pkg/minikube/registry/drvs/docker/docker.go

@@ -60,7 +60,7 @@ func configure(cc config.ClusterConfig, n config.Node) (interface{}, error) {
 	return kic.NewDriver(kic.Config{
 		MachineName:       driver.MachineName(cc, n),
 		StorePath:         localpath.MiniPath(),
-		ImageDigest:       viper.GetString("docker-base-image"),
+		ImageDigest:       viper.GetString("base-image"),
 		CPU:               cc.CPUs,
 		Memory:            cc.Memory,
 		OCIBinary:         oci.Docker,

pkg/minikube/registry/drvs/podman/podman.go

@@ -51,7 +51,7 @@ func init() {
 }
 
 func configure(cc config.ClusterConfig, n config.Node) (interface{}, error) {
-	baseImage := viper.GetString("docker-base-image")
+	baseImage := viper.GetString("base-image")
 	return kic.NewDriver(kic.Config{
 		MachineName:   driver.MachineName(cc, n),
 		StorePath:     localpath.MiniPath(),