Kubernetes集群ezdown脚本一键部署 Kubernetes集群ezdown脚本一键部署1.环境准备主机信息主机名IP地址集群服务node110.107.24.81nodeetcd、api-server、controlor-manager、schedulernode210.107.24.82nodekubelet、kube-proxy、dockermaster10.107.24.83masterkubelet、kube-proxy、docker配置hosts解析10.107.24.81 node1 10.107.24.82 node2 10.107.24.83 master生成SSH身份文件ssh-keygen 一路回车配置免密登入ssh-copy-id -i node1 ssh-copy-id -i node2 ssh-copy-id -i master测试免密登入ssh master ssh node1 ssh node2禁用交换分区swapoff -a sed -i.bak '/swap/s/^/#/' /etc/fstab关闭防火墙systemctl stop firewalld && systemctl disable firewalld安装git和wgetyum install -y git wget2.脚本安装Kubernetes下载ezdown[root@master ~]# wget https://github.com/easzlab/kubeasz/releases/download/3.5.2/ezdown [root@master ~]# chmod +x ezdown下载所需文件# 国内 [root@master ~]# ./ezdown -D # 国外 [root@master ~]# ./ezdown -D -m standard2023-03-19 14:19:49 INFO Action successed: download_all创建集群配置[root@master ~]# ./ezdown -S2023-03-19 14:20:13 INFO Action begin: start_kubeasz_docker 2023-03-19 14:20:13 INFO try to run kubeasz in a container 2023-03-19 14:20:13 DEBUG get host IP: 10.107.24.83 fc0377122adc8726397e25b6f0285e04072e6b76b9f6b9bd1a0dca3b17d6e1a2 2023-03-19 14:20:14 INFO Action successed: start_kubeasz_docker创建新的集群[root@master ~]# docker exec -it kubeasz ezctl new k8s2023-03-19 06:21:22 DEBUG generate custom cluster files in /etc/kubeasz/clusters/k8s 2023-03-19 06:21:22 DEBUG set versions 2023-03-19 06:21:22 DEBUG cluster k8s: files successfully created. 2023-03-19 06:21:22 INFO next steps 1: to config '/etc/kubeasz/clusters/k8s/hosts' 2023-03-19 06:21:22 INFO next steps 2: to config '/etc/kubeasz/clusters/k8s/config.yml'修改新的集群配置文件[root@master ~]# vim /etc/kubeasz/clusters/k8s/hosts# 'etcd' cluster should have odd member(s) (1,3,5,...) [etcd] 10.107.24.83 # master node(s), set unique 'k8s_nodename' for each node # CAUTION: 'k8s_nodename' must consist of lower case alphanumeric characters, '-' or '.', # and must start and end with an alphanumeric character [kube_master] 10.107.24.83 k8s_nodename='master' # work node(s), set unique 'k8s_nodename' for each node # CAUTION: 'k8s_nodename' must consist of lower case alphanumeric characters, '-' or '.', # and must start and end with an alphanumeric character [kube_node] 10.107.24.81 k8s_nodename='node1' 10.107.24.82 k8s_nodename='node2'一键安装docker exec -it kubeasz ezctl setup k8s allPLAY RECAP ***************************************************************************************************** 10.107.24.81 : ok=76 changed=73 unreachable=0 failed=0 skipped=129 rescued=0 ignored=1 10.107.24.82 : ok=76 changed=73 unreachable=0 failed=0 skipped=129 rescued=0 ignored=1 10.107.24.83 : ok=113 changed=105 unreachable=0 failed=0 skipped=152 rescued=0 ignored=1 localhost : ok=43 changed=40 unreachable=0 failed=0 skipped=42 rescued=0 ignored=0