Sanitize the cluster_name variable (#4509)
Sanitize the cluster_name variable (#4509)


Atoms/kubespray,kubernetes-incubator/kargo,kubernetes-incubator/kubespray,Atoms/kubespray,Atoms/kubespray,kubernetes-incubator/kargo,kubernetes-sigs/kubespray,kubernetes-sigs/kubespray,kubernetes-incubator/kubespray,Atoms/kubespray,kubernetes-sigs/kubespray,kubernetes-sigs/kubespray