参考文章: 如何丝滑般将 Kubernetes 容器运行时从 Docker 切换成 Containerd
环境
当前系统的环境如下
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7# kubectl get nodes -owide
NAME STATUS ROLES AGE VERSION INTERNAL-IP EXTERNAL-IP OS-IMAGE KERNEL-VERSION CONTAINER-RUNTIME
k8s-sit-master01 Ready <none> 19h v1.20.11 10.1.40.61 <none> CentOS Linux 7 (Core) 4.19.12-1.el7.elrepo.x86_64 docker://19.3.15
k8s-sit-master02 Ready <none> 19h v1.20.11 10.1.40.62 <none> CentOS Linux 7 (Core) 4.19.12-1.el7.elrepo.x86_64 docker://19.3.15
k8s-sit-master03 Ready <none> 19h v1.20.11 10.1.40.63 <none> CentOS Linux 7 (Core) 4.19.12-1.el7.elrepo.x86_64 docker://19.3.15
k8s-sit-node01 Ready <none> 19h v1.20.11 10.1.40.64 <none> CentOS Linux 7 (Core) 4.19.12-1.el7.elrepo.x86_64 docker://19.3.15
k8s-sit-node02 Ready <none> 19h v1.20.11 10.1.40.65 <none> CentOS Linux 7 (Core) 4.19.12-1.el7.elrepo.x86_64 docker://19.3.15