k8s组件镜像

kube-apiserver-amd64_v1.7.2kube-controller-manager-amd64_v1.7.2kube-scheduler-amd64_v1.7.2k8s-dns-dnsmasq-nanny-amd64_1.14.4k8s-dns-kube-dns-amd64_1.14.4k8s-dns-sidecar-amd64_1.14.4