ansible二进制部署kubernetes集群
阅读原文时间:2022年03月11日阅读:3

kubernetes版本1.21.5

需要的资源文件请自行到我的阿里云盘下载 https://www.aliyundrive.com/s/zVegF78ATDV

修改主机信息

#根据自己的主机信息自行修改
vim sshkeygen.sh
#!/usr/bin/env bash
yum -y install ansible &>/dev/null
ansible_dir=$(pwd)/ansible
if [ $? -eq 0 ]; then
    echo "ansible安装成功"
    cp -r ${ansible_dir} /etc/
else
    echo "ansible安装失败"
fi

cat <<EOF
##############################################
#
# 此脚本只适合高可用kubernetes集群(三节点)
# 请准备三个或三个以上节点
# 请保持可以访问外网
## 想要更多节点请自行添加
###############################################
EOF
#ansible主机配置
cat > hosts <<EOF
#证书创建节点
[k8spem]
192.168.77.131 ansible_ssh_user=root ansible_ssh_pass=123.com
#kubernetes 主节点高可用
[k8smaster]
192.168.77.131 ansible_ssh_user=root ansible_ssh_pass=123.com
192.168.77.132 ansible_ssh_user=root ansible_ssh_pass=123.com
192.168.77.133 ansible_ssh_user=root ansible_ssh_pass=123.com
[k8snode]
192.168.77.181 ansible_ssh_user=root ansible_ssh_pass=123.com
192.168.77.182 ansible_ssh_user=root ansible_ssh_pass=123.com
192.168.77.183 ansible_ssh_user=root ansible_ssh_pass=123.com
#包含主机
[k8s:children]
k8smaster
EOF

rpm -qa | grep ansible
if [ $? -eq 0 ]; then
    cp hosts ansible/hosts
fi

#请自行修改主机信息
#前三个ip and hostname 是master节点
cat > kubernetes_IP.txt <<EOF
kubeapiserver: "192.168.77.120"
hight_master01_ip: "192.168.77.131"
hight_master02_ip: "192.168.77.132"
hight_master03_ip: "192.168.77.133"
hight_node01_ip: "192.168.77.181"
hight_node02_ip: "192.168.77.182"
hight_node03_ip: "192.168.77.183"
EOF

cat > kubernetes_hostname.txt <<EOF
hight_master01_hostname: "estarhaohao-centos7-master01"
hight_master01_hostname: "estarhaohao-centos7-master01"
hight_master01_hostname: "estarhaohao-centos7-master01"
hight_node01_hostname: "estarhaohao-centos7-node01"
hight_node02_hostname: "estarhaohao-centos7-node02"
hight_node03_hostname: "estarhaohao-centos7-node03"
EOF
#以上是node节点ip and hostname
# 想要更多节点请自行添加

cat kubernetes_IP.txt | while read line
do
  for dir in $( ls -l | grep k8s | awk '{print $9}' )
  do
    echo $line >> $dir/vars/main.yml
  done
done

cat kubernetes_hostname.txt | while read line
do
  for dir in $( ls -l | grep k8s | awk '{print $9}' )
  do
    echo $line >> $dir/vars/main.yml
  done
done

部署

#等待部署完成即可使用
ansible-playbook role.yml

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