kubernetes/cmd/kubeadm/app/phases/bootstraptoken/clusterinfo/clusterinfo.go

const BootstrapSignerClusterRoleName …

// CreateBootstrapConfigMapIfNotExists creates the kube-public ConfigMap if it doesn't exist already
func CreateBootstrapConfigMapIfNotExists(client clientset.Interface, file string) error { … }

// CreateClusterInfoRBACRules creates the RBAC rules for exposing the cluster-info ConfigMap in the kube-public namespace to unauthenticated users
func CreateClusterInfoRBACRules(client clientset.Interface) error { … }