脚本信息:
#! /bin/bash
cpu_used=`vmstat | awk 'NR==3{print "CPU利用率："(100-$(NF-2))"%"}'`
cpu_average=`uptime | awk '{print "CPU负载: " $(NF-2),$(NF-1),$NF}'`
mem_used=`free -h |awk 'NR==2{print "内存利用率: "int(100-($NF/$2*100))"%"}'`
disk_used=`df -hT |grep /$ | awk '{print "根目录利用率："$(NF-1)}'`
echo $cpu_used
echo $cpu_average
echo $mem_used
echo $disk_used
yml文件信息：
- hosts: docker
tasks:
- name: 01-Push check.sh
copy: src=/server/scripts/check.sh dest=/server/scripts/ mode=750
- name: 02-Execute the script
shell: /server/scripts/check.sh
register: shell_result
- debug: var=shell_result.stdout_lines
脚本优化，按红绿色显示结果是否正常
#! /bin/bash
# 定义一个红色显示的函数
function echo_red () {
local what=$*
echo -e "\e[1;31m${what}\e[0m"
}
# 定义一个绿色显示的函数
function echo_green () {
local what=$*
echo -e "\e[1;32m${what}\e[0m"
}
cpu_used=`vmstat | awk 'NR==3{print (100-$(NF-2))}'`
cpu_average=`uptime | awk '{print $(NF-2),$(NF-1),$NF}'`
mem_used=`free -h |awk 'NR==2{print int(100-($NF/$2*100))}'`
disk_used=`df -hT |grep /$ | awk '{print $(NF-1)*100/100}'`
echo "CPU利用率：$cpu_used%"
echo "CPU负载: $cpu_average"
echo "内存利用率: $mem_used%"
echo "根目录利用率：$disk_used%"
echo "==========检查结果=========="
if [ $cpu_used -ge 60 ]
then
echo_red "cpu利用率过大于60%，请检查"
elif [ $mem_used -ge 80 ]
then
echo_red "内存利用率过大于60%，请检查"
elif [ $disk_used -ge 60 ]
then
echo_red "磁盘利用率过大于60%，请检查"
else
echo_green "结果正常"
fi
