shell脚本
vim jk.sh #命名脚本名
#!/bin/bash
time=`date "+%Y-%m-%d %H:%M:%S"` #定义时间
echo "$time"
echo " 警告！！！!!!"
cpu_info(){
cpu_free=`top -i -c -bn 1| grep Cpu | awk -F ":" ‘{print $2}‘ | awk -F "," ‘{print $4}‘ | awk -F " " ‘{print $1}‘| awk -F "." ‘{print $1}‘` #取cpu空闲值
echo "cpu剩余量:" $cpu_free"%"
}
mem_info(){
mem_used=` free -h | grep Mem | awk -F ":" ‘{print $2}‘ | awk -F " " ‘{print $6}‘` #取可用内存值
echo "---mem:"
echo "可用内存为:"$mem_used
}
disk_info(){
disk_total=`df -h | grep cent | awk -F " " ‘{print $2}‘` #取磁盘总量
disk_used=`df -h | grep cent | awk -F " " ‘{print $3}‘` #取磁盘使用量
disk_per=`df -h | grep cent | awk -F " " ‘{print $5}‘` #取磁盘使用量率
echo "---disk:"
echo "磁盘总量:"$disk_total
echo "磁盘使用量:"$disk_used
echo "磁盘使用率:"$disk_per
}
mem=` free -h | grep Mem | awk -F ":" ‘{print $2}‘ | awk -F " " ‘{print $6}‘|sed s/M//g` #把使用内存中的去M掉便于比较
disk=`df -h | grep cent | awk -F " " ‘{print $5}‘|sed s/%//g` #把硬盘使用率中的百分号去掉便于比较
war_cpu=10 #定义cpu阈值值
war_mem=100 #定义可用内存阈值100M
war_disk=90 #定义磁盘使用率阈值
main(){
if [ $cpu -lt $war_cpu ] || [ $mem -lt $war_mem ] ||[ $disk -gt $war_disk ]
#cpu剩余空间小于10 可用内存小于100M 磁盘使用率大于90
then
echo "---cpu:"
cpu_info
mem_info
disk_info
echo ".........等待处理........."
else
echo "-------------"
echo "Server‘s fine"
echo "-------------"
fi
}
main
用python实现发邮件
#导入模块
import paramiko
import smtplib
from email.mime.text import MIMEText
from email.header import Header
ssh = paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
def send_mail(message):
sender = ‘aa[email protected]‘
receiver = [‘[email protected]‘]
subject = ‘报警‘
username = ‘aa[email protected]‘
password = ‘123456‘
msg = MIMEText(message, ‘plain‘, ‘utf-8‘)
msg[‘Subject‘] = Header(subject, ‘utf-8‘)
msg[‘From‘] = ‘warning<aa[email protected]>‘
msg[‘To‘] = "[email protected]"
smtp = smtplib.SMTP()
smtp.connect(‘smtp.163.com‘)
smtp.login(username, password)
smtp.sendmail(sender, receiver, msg.as_string())
smtp.quit()
def server():
ssh.connect("192.168.88.31", 22, ‘root‘, ‘123‘, timeout=3) #连接192.168.88.31 端口22 用户root 密码123
stdin, stdout, stderr = ssh.exec_command(‘./jk.sh ‘ ) #在linux中执行./jk.sh
msg = stdout.read().decode(‘utf_8‘)
war = "警告"
while True:
if war in msg:
send_mail(msg)
print(‘发送成功！！！‘)
break
else:
print("server‘s find.")
break
server()
原文地址：https://www.cnblogs.com/heiguu/p/10011369.html