- [ "kubernetes-master:kube-api-endpoint", "kubernetes-worker:kube-api-endpoint" ]
    - [ "kubernetes-master:cluster-dns", "kubernetes-worker:kube-dns" ]
    - [ "kubernetes-master:certificates", "easyrsa:client" ]
    - [ "kubernetes-master:etcd", "etcd:db" ]
    - [ "kubernetes-worker:certificates", "easyrsa:client" ]
    - [ "flannel:etcd", "etcd:db" ]
    - [ "flannel:cni", "kubernetes-master:cni" ]
    - [ "flannel:cni", "kubernetes-worker:cni" ]
    - [ "etcd:certificates", "easyrsa:client" ]