Imports
- github.com/pkg/errors
- k8s.io/client-go/tools/clientcmd/api
- k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm
- k8s.io/kubernetes/cmd/kubeadm/app/discovery/file
- k8s.io/kubernetes/cmd/kubeadm/app/discovery/https
- k8s.io/kubernetes/cmd/kubeadm/app/discovery/token
- k8s.io/kubernetes/cmd/kubeadm/app/util/kubeconfig