汇总kubernetes部署的方案：
kubernetes < 1.20 + centos7 + docker + iptables + flannel
kubernetes < 1.20 + centos7 + docker + ipvs + calico
1.20 <kubernetes < 1.24 + centos7 + docker + ipvs + calico
kubernetes > 1.24 + centos7 + containerd + ipvs + calico
kubernetes > 1.24 + centos7 + cri-o + ipvs + calico
kubernetes > 1.24 + centos7 + cri-dockerd + docker + ipvs + calico