Kubernetes-3.3:ETCD群集构建及应用(https验证 备份数据修复) etcd群集构建自然环境详细介绍根据CentOS Linux release 7.9.2009 (Core)iphostnamerole172.17.0.4cd782d0a790betcd1172.17.0.383d43a1203f6etcd2172.17.0.299dac45f202cet