大型项目环境预检查脚本，根据自己实际情况修改脚本中变量，给大家一个思路，转载请注明出处~
#!/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 " 33[5;32;31m正在为您检测umask值，请耐心等待。。。 33[0m"
echo
if [ ${UMASK_NUM} -ne ${ALL_HOSTS} ];then
echo -e " 33[1;32;31m检测到节点umask值非022,将为您执行修改操作！ 33[0m"
sleep 3
ansible dragon -m shell -a "sed -i 's/^.*umask.*/umask 022/g' /etc/profile"
ansible dragon -m shell -a "source /etc/profile"
ansible dragon -m shell -a "sed -i 's/^.*umask.*/umask 022/g' /etc/bashrc"
ansible dragon -m shell -a "source /etc/bashrc"
echo -e " 33[1;32;31m-------------------------------以下为各节点umask值------------------------------- 33[0m"
ansible dragon -m shell -a "umask"
echo -e " 33[1;32;31m提示：如果以上返回结果非0022,那就是自动设置失败，请手动调整umask值! 33[0m"
else
clear
echo -e " 33[1;32;31m所有节点umask值全部为022 33[0m"
echo
fi
}
CK_NETWORK_NAME(){
echo
echo -e " 33[1;32;31m-------------------------------检测所有节点主机网卡名------------------------------- 33[0m"
IFS=',' read -r -a nodes <<<"${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 " 33[1;32;35m提示：请您把网卡名复制到dragonrc配置~ 33[0m"
echo -e " 33[1;32;31m-------------------------------以上为所有节点主机网卡名------------------------------- 33[0m"
echo
}
CK_HOST_NAME(){
echo
echo -e " 33[1;32;31m-------------------------------检测所有节点主机名------------------------------- 33[0m"
ansible dragon -m shell -a "hostname"
echo -e " 33[1;32;31m提示：检查主机名，不能是出现大写或特殊符号~ 33[0m"
echo -e " 33[1;32;31m-------------------------------以上为所有节点主机名------------------------------- 33[0m"
echo
}
CK_HOSTS(){
echo
echo -e " 33[1;32;31m-------------------------------检测所有节点Hosts配置------------------------------- 33[0m"
sh ${root}/scripts/hostname.sh
echo -e " 33[1;32;31m-------------------------------以上为所有节点Hosts配置------------------------------- 33[0m"
echo
}
CK_TIME(){
echo
echo -e " 33[1;32;31m----------------------------------检测所有节点时间---------------------------------- 33[0m"
ansible dragon -m shell -a "date"
echo -e " 33[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~ 33[0m"
echo -e " 33[1;32;31m----------------------------------以上为所有节点时间---------------------------------- 33[0m"
echo
}
CK_DISK(){
echo
echo -e " 33[1;32;31m----------------------------------检测所有节点磁盘挂载---------------------------------- 33[0m"
ansible dragon -m shell -a "df -h"
echo -e " 33[1;32;31m----------------------------------以上为所有节点磁盘挂载---------------------------------- 33[0m"
echo
}
CK_SYSTEM(){
echo
echo -e " 33[1;32;31m----------------------------------检测所有节点系统版本信息---------------------------------- 33[0m"
ansible dragon -m shell -a "cat /etc/redhat-release"
echo -e " 33[1;32;31m----------------------------------以上为所有节点系统版本信息---------------------------------- 33[0m"
echo
}
CK_FIREWALLD(){
echo
echo -e " 33[1;32;31m----------------------------------检测所有节点防火墙是否关闭---------------------------------- 33[0m"
ansible dragon -m shell -a "firewall-cmd --state"
echo -e " 33[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~ 33[0m"
echo -e " 33[1;32;31m----------------------------------以上为所有节点防火墙状态信息---------------------------------- 33[0m"
echo
}
CK_SELINUX(){
echo
echo -e " 33[1;32;31m----------------------------------检测所有节点SELINUX是否关闭---------------------------------- 33[0m"
ansible dragon -m shell -a "sestatus"
echo -e " 33[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~ 33[0m"
echo -e " 33[1;32;31m----------------------------------以上为所有节点SELINUX状态信息---------------------------------- 33[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