664 lines
14 KiB
Bash
664 lines
14 KiB
Bash
#!/bin/bash
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menu() {
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echo "========================="
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echo "= 菜单 ="
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echo "========================="
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echo "= 1. 主机名解析 ="
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echo "= 2. 环境配置 ="
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echo "= 3. 安装docker ="
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echo "= 4. 安装kubernetes ="
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echo "= 5. 导入镜像 ="
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echo "= 6. master节点 ="
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echo "= 7. node节点 ="
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echo "= 8. 退出 ="
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echo "========================="
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}
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menu_first() {
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echo "========================="
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echo "= 主机解析 ="
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echo "========================="
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echo "= 1. 查看主机名 ="
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echo "= 2. 设置主机名 ="
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echo "= 3. 查看解析文件 ="
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echo "= 4. 主机解析 ="
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echo "= 5. 删除特定行 ="
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echo "= 6. 退出 ="
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echo "========================="
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}
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first_option() {
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while true; do
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menu_first
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read -p "请输入选项：" i
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case $i in
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1)
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host=`hostname`
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echo "主机名为 $host"
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;;
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2)
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read -p "输入主机名：" host
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hostnamectl set-hostname $host
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if [ $? -eq 0 ]; then
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echo "设置主机名成功!"
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new_host=`hostname`
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echo "主机名为 $new_host"
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else
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echo "设置主机名失败！"
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fi
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;;
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3)
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cat /etc/hosts
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echo
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;;
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4)
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while true; do
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read -p "输入格式：IP 主机名（输入e退出）：" host
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if [[ $host == "e" ]]; then
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echo "退出成功！"
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break
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fi
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arr=($host)
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if [[ ${#arr[@]} -ne 2 ]]; then
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echo "输入格式不符合，必须包含IP和主机名。"
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continue
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fi
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ip="${arr[0]}"
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hostname="${arr[1]}"
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ip_regex='^((25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])\.){3}(25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])$'
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if [[ ! $ip =~ $ip_regex ]]; then
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echo "IP地址格式无效"
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continue
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fi
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hostname_regex='^[a-zA-Z]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?$'
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if [[ ! $hostname =~ $hostname_regex ]]; then
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echo "主机名格式无效（允许字母、数字、连字符，不以连字符开头/结尾，最长63字符）。"
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continue
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fi
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echo "$ip $hostname" >> /etc/hosts
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echo "添加成功：$ip $hostname"
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done
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;;
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5)
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read -p "输入要删除的主机解析：" host
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escaped_host=$(sed -e 's/[][\.^*$]/\\&/g' <<< "$host")
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if grep -q "$escaped_host" /etc/hosts; then
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sed -i "/$escaped_host/d" /etc/hosts
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echo "删除成功！"
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else
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echo "未找到匹配的主机解析！"
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fi
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;;
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6)
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break
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;;
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*)
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echo "无效的选项，请重新输入！"
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;;
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esac
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done
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}
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menu_second() {
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echo "========================="
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echo "= 环境配置 ="
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echo "========================="
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echo "= 1. 查看firewalld状态 ="
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echo "= 2. 启动firewalld ="
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echo "= 3. 关闭firewalld ="
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echo "= 4. 开机启动firewalld ="
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echo "= 5. 开机关闭firewalld ="
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echo "= 6. 查看selinux状态 ="
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echo "= 7. 开启selinux ="
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echo "= 8. 关闭selinux ="
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echo "= 9. 开机启动selinux ="
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echo "= 10. 开机关闭selinux ="
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echo "= 11. 禁用swap分区 ="
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echo "= 12. 开机禁用swap分区 ="
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echo "= 13. 加载内核 ="
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echo "= 14. 退出 ="
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echo "========================="
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}
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second_option() {
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while true; do
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menu_second
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read -p "请选择选项：" i
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case $i in
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1)
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status=$(systemctl is-active firewalld)
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enabled=$(systemctl is-enabled firewalld)
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if [ "$status" == "active" ]; then
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echo "firewalld 当前状态：已启动！"
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else
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echo "firewalld 当前状态：未启动！"
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fi
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if [ "$enabled" == "enabled" ]; then
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echo "firewalld 是否开机启动：是"
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else
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echo "firewalld 是否开机启动：否"
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fi
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;;
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2)
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systemctl start firewalld
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if [ $? -eq 0 ]; then
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echo "启动成功！"
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else
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echo "启动失败！"
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fi
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;;
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3)
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systemctl stop firewalld
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if [ $? -eq 0 ]; then
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echo "关闭成功！"
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else
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echo "关闭失败！"
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fi
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;;
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4)
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systemctl enable firewalld
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if [ $? -eq 0 ]; then
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echo "永久启动成功！"
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else
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echo "永久启动失败！"
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fi
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;;
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5)
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systemctl disable firewalld
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if [ $? -eq 0 ]; then
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echo "永久关闭成功！"
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else
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echo "永久关闭失败！"
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fi
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;;
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6)
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state=`getenforce`
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if [[ $state == "Enforcing" ]]; then
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echo "selinux的状态为已启动！"
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else
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echo "selinux的状态为已关闭！"
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fi
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;;
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7)
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setenforce 1
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if [ $? -eq 0 ]; then
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echo "selinux启动成功！"
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else
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echo "selinux启动失败！需要重启才能启动"
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fi
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;;
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8)
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setenforce 0
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if [ $? -eq 0]; then
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echo "selinux关闭成功！"
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else
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echo "selinux关闭失败！"
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fi
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;;
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9)
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sed -i '/^SELINUX=/c SELINUX=enforcing/' /etc/selinux/config
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if [ $? -eq 0]; then
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echo "永久启动selinux成功！"
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else
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echo "永久启动selinux失败！"
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fi
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;;
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10)
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sed -i '/^SELINUX=/c SELINUX=disabled/' /etc/selinux/config
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if [ $? -eq 0 ]; then
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echo "永久关闭selinux成功！"
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else
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echo "永久关闭selinux失败！"
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fi
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;;
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11)
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swapoff -a
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if [ $? -eq 0 ]; then
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echo "禁用swap分区成功！"
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else
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echo "禁用swap分区失败！"
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fi
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;;
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12)
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sed -i 's/.*swap.*/#&/' /etc/fstab
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if [ $? -eq 0 ]; then
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echo "永久禁用swap分区成功！"
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else
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echo "永久禁用swap分区失败！"
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fi
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;;
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13)
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modprobe br_netfilter
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echo "net.bridge.bridge-nf-call-ip6tables = 1" >> /etc/sysctl.conf
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echo "net.bridge.bridge-nf-call-iptables = 1" >> /etc/sysctl.conf
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echo "vm.swappiness=0" >> /etc/sysctl.conf
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echo "net.ipv4.ip_forward = 1" >> /etc/sysctl.conf
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sysctl -p
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;;
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14)
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echo "退出成功！"
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||
break
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||
;;
|
||
*)
|
||
echo "无效的选择,请重新输入！"
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||
;;
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||
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||
esac
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||
done
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||
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||
}
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||
menu_third() {
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||
echo "========================="
|
||
echo "= docker管理 ="
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||
echo "========================="
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||
echo "= 1. 安装docker ="
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||
echo "= 2. 配置容器加速 ="
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||
echo "= 3. 启动docker ="
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||
echo "= 4. 关闭docker ="
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||
echo "= 5. 开机启动docker ="
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||
echo "= 6. 开机关闭docker ="
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||
echo "= 7. 重启docker ="
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||
echo "= 8. 清空 ="
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||
echo "= 9. 退出 ="
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||
echo "========================="
|
||
}
|
||
|
||
third_option(){
|
||
while true; do
|
||
menu_third
|
||
read -p "请选择选项：" i
|
||
case $i in
|
||
1)
|
||
yum install -y yum-utils >/dev/null
|
||
yum-config-manager --add-repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo >/dev/null
|
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yum install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin -y >/dev/null
|
||
;;
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||
2)
|
||
echo '{
|
||
"max-concurrent-downloads": 10,
|
||
"max-concurrent-uploads": 5,
|
||
"default-shm-size": "1G",
|
||
"debug": true,
|
||
"experimental": false,
|
||
"registry-mirrors": [
|
||
"https://x9r52uz5.mirror.aliyuncs.com",
|
||
"https://dockerhub.icu",
|
||
"https://docker.chenby.cn",
|
||
"https://docker.1panel.live",
|
||
"https://docker.awsl9527.cn",
|
||
"https://docker.anyhub.us.kg",
|
||
"https://dhub.kubesre.xyz"
|
||
]
|
||
}' > /etc/docker/daemon.json
|
||
systemctl daemon-reload
|
||
;;
|
||
3)
|
||
systemctl start docker
|
||
if [ $? -eq 0 ]; then
|
||
echo "启动docker成功！"
|
||
else
|
||
echo "启动docker失败！"
|
||
fi
|
||
;;
|
||
4)
|
||
systemctl stop docker
|
||
if [ $? -eq 0 ]; then
|
||
echo "关闭docker成功！"
|
||
else
|
||
echo "关闭docker失败！"
|
||
fi
|
||
;;
|
||
5)
|
||
systemctl enable docker &> /dev/null
|
||
if [ $? -eq 0 ]; then
|
||
echo "开机启动docker成功！"
|
||
else
|
||
echo "开机启动docker失败！"
|
||
fi
|
||
;;
|
||
6)
|
||
systemctl disable docker &> /dev/null
|
||
if [ $? -eq 0 ]; then
|
||
echo "开机关闭docker成功！"
|
||
else
|
||
echo "开机关闭docker失败！"
|
||
fi
|
||
;;
|
||
7)
|
||
systemctl restart docker
|
||
if [ $? -eq 0 ]; then
|
||
echo "docker重启成功！"
|
||
else
|
||
echo "docker重启失败"
|
||
fi
|
||
;;
|
||
8)
|
||
clear
|
||
;;
|
||
9)
|
||
echo "退出成功！"
|
||
break
|
||
;;
|
||
*)
|
||
echo "无效的选择,请重新输入！"
|
||
;;
|
||
esac
|
||
done
|
||
}
|
||
|
||
menu_fourth() {
|
||
echo "========================="
|
||
echo "= kubernetes 安装 ="
|
||
echo "========================="
|
||
echo "= 1. 配置yum仓库 ="
|
||
echo "= 2. 安装 ="
|
||
echo "= 3. 配置cgroups ="
|
||
echo "= 4. 开机启动 ="
|
||
echo "= 5. 清空 ="
|
||
echo "= 6. 退出 ="
|
||
echo "========================="
|
||
}
|
||
|
||
fourth_option() {
|
||
while true; do
|
||
menu_fourth
|
||
read -p "请选择选项：" i
|
||
case $i in
|
||
1)
|
||
echo "[kubernetes]
|
||
name=Kubernetes
|
||
baseurl=https://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86_64
|
||
enabled=1
|
||
gpgcheck=0
|
||
repo_gpgcheck=0
|
||
gpgkey=https://mirrors.aliyun.com/kubernetes/yum/doc/yum-key.gpg https://mirrors.aliyun.com/kubernetes/yum/doc/rpm-package-key.gpg" > /etc/yum.repos.d/kubernetes.repo
|
||
;;
|
||
2)
|
||
yum -y install kubeadm-1.23.5 kubelet-1.23.5 kubectl-1.23.5 ipvsadm >/dev/null
|
||
;;
|
||
3)
|
||
echo 'KUBELET_EXTRA_ARGS="--cgroup-driver=cgroupfs --pod-infra-container-image=registry.cn-hangzhou.aliyuncs.com/google_containers/pause-amd64:3.1"' > /etc/sysconfig/kubelet
|
||
;;
|
||
4)
|
||
systemctl enable kubelet &> /dev/null
|
||
if [ $? -eq 0 ]; then
|
||
echo "开机启动成功！"
|
||
else
|
||
echo "开机启动失败！"
|
||
fi
|
||
;;
|
||
5)
|
||
clear
|
||
;;
|
||
6)
|
||
echo "推出成功！"
|
||
break
|
||
;;
|
||
*)
|
||
echo "无效的选择，请重新输入！"
|
||
;;
|
||
esac
|
||
done
|
||
}
|
||
|
||
menu_fifth() {
|
||
echo "========================="
|
||
echo "= 镜像导入 ="
|
||
echo "========================="
|
||
echo "= 1. 导入镜像文件 ="
|
||
echo "= 2. 加载镜像 ="
|
||
echo "= 3. 查看镜像 ="
|
||
echo "= 4. 清空 ="
|
||
echo "= 5. 退出 ="
|
||
echo "========================="
|
||
}
|
||
|
||
fifth_option() {
|
||
while true; do
|
||
menu_fifth
|
||
read -p "请选择选项：" i
|
||
case $i in
|
||
1)
|
||
yum -y install lrzsz
|
||
mkdir /mnt/docker-image && cd /mnt/docker-image
|
||
pwd
|
||
rz
|
||
;;
|
||
2)
|
||
tar_dir="/mnt/docker-image"
|
||
tar_files=("$tar_dir"/*.tar)
|
||
|
||
if [ ${#tar_files[@]} -eq 0 ]; then
|
||
echo "在 $tar_dir 中未找到任何.tar文件"
|
||
exit 0
|
||
fi
|
||
|
||
ERRORS=0
|
||
for file in "${tar_files[@]}"; do
|
||
docker load < $file >/dev/null
|
||
if [ $? -eq 0 ]; then
|
||
echo "加载 $file 镜像成功！"
|
||
else
|
||
echo "加载 $file 镜像失败！"
|
||
((ERRORS++))
|
||
fi
|
||
done
|
||
|
||
if [ $ERRORS -ne 0 ]; then
|
||
echo "警告：有 $ERRORS 个文件加载失败" >&2
|
||
else
|
||
echo "所有镜像已成功加载"
|
||
fi
|
||
;;
|
||
3)
|
||
docker images
|
||
;;
|
||
4)
|
||
clear
|
||
;;
|
||
5)
|
||
echo "推出成功！"
|
||
break
|
||
;;
|
||
*)
|
||
echo "无效的选择，请重新输入！"
|
||
;;
|
||
esac
|
||
done
|
||
}
|
||
|
||
menu_sixth() {
|
||
echo "========================="
|
||
echo "= master节点管理 ="
|
||
echo "========================="
|
||
echo "= 1. 初始化 ="
|
||
echo "= 2. 查看集群状态 ="
|
||
echo "= 3. 清空 ="
|
||
echo "= 4. 退出 ="
|
||
echo "========================="
|
||
}
|
||
|
||
sixth_option() {
|
||
while true; do
|
||
menu_sixth
|
||
read -p "请选择选项：" i
|
||
case $i in
|
||
1)
|
||
while true; do
|
||
read -p "输入master的ip地址：" ip
|
||
|
||
ip_regex='^((25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])\.){3}(25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])$'
|
||
|
||
if [[ ! $ip =~ $ip_regex ]]; then
|
||
echo "IP地址格式无效"
|
||
continue
|
||
fi
|
||
|
||
mkdir /mnt/master
|
||
|
||
kubeadm init --kubernetes-version=1.23.5 --pod-network-cidr=10.244.0.0/16 --apiserver-advertise-address=$ip > /mnt/master/init_info 2>> /mnt/master/error_info
|
||
|
||
if [ $? -eq 0 ]; then
|
||
echo "初始化成功!"
|
||
mkdir -p $HOME/.kube
|
||
sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
|
||
sudo chown $(id -u):$(id -g) $HOME/.kube/config
|
||
export KUBECONFIG=/etc/kubernetes/admin.conf
|
||
kubectl apply -f /mnt/docker-image/kube-flannel-2402.yml > /mnt/master/flannel_info
|
||
else
|
||
echo "初始化失败！"
|
||
fi
|
||
|
||
break
|
||
done
|
||
|
||
;;
|
||
2)
|
||
kubectl get nodes
|
||
;;
|
||
3)
|
||
clear
|
||
;;
|
||
4)
|
||
echo "退出成功！"
|
||
break
|
||
;;
|
||
*)
|
||
echo "无效的选择，请重新输入！"
|
||
;;
|
||
esac
|
||
done
|
||
}
|
||
|
||
menu_seventh() {
|
||
echo "========================="
|
||
echo "= node节点管理 ="
|
||
echo "========================="
|
||
echo "= 1. 获取初始化信息文件 ="
|
||
echo "= 2. 加入集群 ="
|
||
echo "= 3. 清空 ="
|
||
echo "= 4. 退出 "
|
||
echo "========================="
|
||
}
|
||
|
||
seventh_option() {
|
||
while true; do
|
||
menu_seventh
|
||
read -p "请选择选项：" i
|
||
case $i in
|
||
1)
|
||
rpm -q expect &> /dev/null
|
||
|
||
if [ $? -ne 0 ]; then
|
||
yum -y install expect tcl tclx tcl-devel &> /dev/null
|
||
fi
|
||
|
||
while true; do
|
||
read -p "输入master的ip地址：" ip
|
||
|
||
ip_regex='^((25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])\.){3}(25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])$'
|
||
|
||
if [[ ! $ip =~ $ip_regex ]]; then
|
||
echo "IP地址格式无效"
|
||
continue
|
||
else
|
||
break
|
||
fi
|
||
done
|
||
|
||
stty -echo
|
||
read -p "输入密码：" password
|
||
stty echo
|
||
echo
|
||
|
||
/usr/bin/expect <<-EOF >/dev/null 2>&1
|
||
set timeout 10
|
||
log_user 0
|
||
spawn scp $ip:/mnt/master/init_info /mnt/
|
||
expect {
|
||
"yes/no" { send "yes\n"; exp_continue }
|
||
"password:" {send "$password\n"}
|
||
}
|
||
expect eof
|
||
EOF
|
||
|
||
if [ $? -eq 0 ]; then
|
||
echo "输出成功！"
|
||
else
|
||
echo "输出失败！"
|
||
fi
|
||
;;
|
||
2)
|
||
file="/mnt/init_info"
|
||
ip=`awk '/kubeadm join/ {print $3}' $file`
|
||
token=$(grep -oP -- '--token \K\S+' "$file")
|
||
cert_hash=$(grep -oP -- '--discovery-token-ca-cert-hash \K\S+' "$file")
|
||
|
||
kubeadm join $ip --token $token --discovery-token-ca-cert-hash $cert_hash >/dev/null
|
||
|
||
if [ $? -eq 0 ]; then
|
||
echo "加入集群成功！"
|
||
else
|
||
echo "加入集群失败！"
|
||
fi
|
||
;;
|
||
3)
|
||
clear
|
||
;;
|
||
4)
|
||
echo "退出成功！"
|
||
break
|
||
;;
|
||
*)
|
||
echo "无效的选择，请重新输入！"
|
||
;;
|
||
esac
|
||
done
|
||
}
|
||
|
||
while true; do
|
||
menu
|
||
read -p "请选择选项：" i
|
||
case $i in
|
||
1)
|
||
first_option
|
||
;;
|
||
2)
|
||
second_option
|
||
;;
|
||
3)
|
||
third_option
|
||
;;
|
||
4)
|
||
fourth_option
|
||
;;
|
||
5)
|
||
fifth_option
|
||
;;
|
||
6)
|
||
sixth_option
|
||
;;
|
||
7)
|
||
seventh_option
|
||
;;
|
||
8)
|
||
echo "退出成功!"
|
||
exit
|
||
;;
|
||
*)
|
||
echo "无效的选择，请重新输入！"
|
||
;;
|
||
esac
|
||
done
|