Imports
- github.com/pkg/errors
- k8s.io/api/core/v1
- k8s.io/apimachinery/pkg/util/sets
- k8s.io/klog
- k8s.io/kubernetes/cmd/kubeadm/app/util
- k8s.io/kubernetes/cmd/kubeadm/app/util/staticpod
- k8s.io/kubernetes/pkg/kubeapiserver/authorizer/modes
- k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm
- k8s.io/kubernetes/cmd/kubeadm/app/images
- k8s.io/kubernetes/cmd/kubeadm/app/constants
- k8s.io/kubernetes/cmd/kubeadm/app/phases/certs
- k8s.io/apimachinery/pkg/util/version