shell脚本实现公司项目部署交付环境预检查的思路

 #!/usr/bin/env bash root=$( cd $(dirname $0) pwd ) source "$root"/dragonrc CPU=$(echo "`cat /proc/cpuinfo | grep "physical id" | uniq | wc -l`H") MEM=$(echo "$((`cat /proc/meminfo | grep MemTotal |awk '{print $2}'` / 1000000))G") TIME=$(date) rpm -q ansible &> /dev/null if [ $? -ne 0 ];then sh ${root}/scripts/install_ansible.sh &> /dev/null fi HINT(){ read -p "请按回车继续：" } COPY_KEY(){ echo echo sh ${root}/scripts/copy-key.sh echo echo } CK_UMASK(){ UMASK_NUM=$(ansible dragon -m shell -a "umask"|grep 0022|wc -l) ALL_HOSTS=$(echo "${ALL_NODES}"|awk -F"," '{for(i=1;i<=NF;i++) print $i}'|wc -l) echo echo -e "\033[5;32;31m正在为您检测umask值，请耐心等待。。。\033[0m" echo if [ ${UMASK_NUM} -ne ${ALL_HOSTS} ];then echo -e "\033[1;32;31m检测到节点umask值非022,将为您执行修改操作！\033[0m" sleep 3 ansible dragon -m shell -a "sed -i 's/^.*umask.*/umask 022/g' /etc/profile" ansible dragon -m shell -a "source /etc/profile" ansible dragon -m shell -a "sed -i 's/^.*umask.*/umask 022/g' /etc/bashrc" ansible dragon -m shell -a "source /etc/bashrc" echo -e "\033[1;32;31m-------------------------------以下为各节点umask值-------------------------------\033[0m" ansible dragon -m shell -a "umask" echo -e "\033[1;32;31m提示：如果以上返回结果非0022,那就是自动设置失败，请手动调整umask值!\033[0m" else clear echo -e "\033[1;32;31m所有节点umask值全部为022\033[0m" echo fi } CK_NETWORK_NAME(){ echo echo -e "\033[1;32;31m-------------------------------检测所有节点主机网卡名-------------------------------\033[0m" IFS=',' read -r -a nodes <<<"${ALL_NODES}" for p in "${nodes[@]}"; do echo ssh -q -o 'StrictHostKeyChecking no' -o 'UserKnownHostsFile /dev/null' -T $p ip addr |grep $p | awk '{print $2,$7}' echo done echo -e "\033[1;32;35m提示：请您把网卡名复制到dragonrc配置~\033[0m" echo -e "\033[1;32;31m-------------------------------以上为所有节点主机网卡名-------------------------------\033[0m" echo } CK_HOST_NAME(){ echo echo -e "\033[1;32;31m-------------------------------检测所有节点主机名-------------------------------\033[0m" ansible dragon -m shell -a "hostname" echo -e "\033[1;32;31m提示：检查主机名，不能是出现大写或特殊符号~\033[0m" echo -e "\033[1;32;31m-------------------------------以上为所有节点主机名-------------------------------\033[0m" echo } CK_HOSTS(){ echo echo -e "\033[1;32;31m-------------------------------检测所有节点Hosts配置-------------------------------\033[0m" sh ${root}/scripts/hostname.sh echo -e "\033[1;32;31m-------------------------------以上为所有节点Hosts配置-------------------------------\033[0m" echo } CK_TIME(){ echo echo -e "\033[1;32;31m----------------------------------检测所有节点时间----------------------------------\033[0m" ansible dragon -m shell -a "date" echo -e "\033[1;32;35m提示：误差为1~2秒为正常情况，如差距太大则需要做ntpd时间同步~\033[0m" echo -e "\033[1;32;31m----------------------------------以上为所有节点时间----------------------------------\033[0m" echo } CK_DISK(){ echo echo -e "\033[1;32;31m----------------------------------检测所有节点磁盘挂载----------------------------------\033[0m" ansible dragon -m shell -a "df -h" echo -e "\033[1;32;31m----------------------------------以上为所有节点磁盘挂载----------------------------------\033[0m" echo } CK_SYSTEM(){ echo echo -e "\033[1;32;31m----------------------------------检测所有节点系统版本信息----------------------------------\033[0m" ansible dragon -m shell -a "cat /etc/redhat-release" echo -e "\033[1;32;31m----------------------------------以上为所有节点系统版本信息----------------------------------\033[0m" echo } CK_FIREWALLD(){ echo echo -e "\033[1;32;31m----------------------------------检测所有节点防火墙是否关闭----------------------------------\033[0m" ansible dragon -m shell -a "firewall-cmd --state" echo -e "\033[1;32;35m提示：如果发现防火墙状态为Running,不用担心，all_sh.sh环境初始化配置已经配好永久关闭哦~\033[0m" echo -e "\033[1;32;31m----------------------------------以上为所有节点防火墙状态信息----------------------------------\033[0m" echo } CK_SELINUX(){ echo echo -e "\033[1;32;31m----------------------------------检测所有节点SELINUX是否关闭----------------------------------\033[0m" ansible dragon -m shell -a "sestatus" echo -e "\033[1;32;35m提示：如果发现状态为enabled，不用担心，all_sh.sh环境初始化配置已经配好永久关闭哦~\033[0m" echo -e "\033[1;32;31m----------------------------------以上为所有节点SELINUX状态信息----------------------------------\033[0m" echo } while true do clear echo "-------------------------------------------------------" echo "|                           |" echo "|       XXXXXXXXXXX部署预检查环境        |" echo "|                           |" echo "-------------------------------------------------------" echo "   ***** 检测到您的机器配置为：${CPU} ${MEM}  ***** " echo "-------------------------------------------------------" echo "|        1. 一键SSH免密互信          |" echo "|        2. 检查各节点主机umask        |" echo "|        3. 检查各节点网卡名          |" echo "|        4. 检查各节点主机名          |" echo "|        5. 检查各节点hosts配置        |" echo "|        6. 检查各节点主机时间         |" echo "|        7. 检查各节点主机磁盘挂载       |" echo "|        8. 检查各节点主机系统版本       |" echo "|        9. 检查各节点防火墙是否关闭      |" echo "|       10. 检查各节点SELINUX是否关闭     |" echo "-------------------------------------------------------" echo echo "  // 当前时间：${TIME} //" echo read -p "请您选择[1-10/q退出]选项：" THING case $THING in 1) COPY_KEY HINT ;; 2) CK_UMASK HINT ;; 3) CK_NETWORK_NAME HINT ;; 4) CK_HOST_NAME HINT ;; 5) CK_HOSTS HINT ;; 6) CK_TIME HINT ;; 7) CK_DISK HINT ;; 8) CK_SYSTEM HINT ;; 9) CK_FIREWALLD HINT ;; 10) CK_SELINUX HINT ;; q) exit ;; *) read -p "请您选择[1-10/q退出]，输入回车继续：" ;; esac done