監控mysql狀態, 發現宕後, 自動重啟, 每秒檢查一次。
check.sh
#!/bin/bash
while [ true ]; do
/bin/sleep 1
sh mysql_status.sh
done
chengkill
#!/bin/sh
#pid kill thread for chenglee
#if fileformat=dos, update fileformat=unix
#code:set fileformat=unix
#check:set ff ?
if [ $# -lt 1 ]
then
echo "not procedure_name"
exit 1
fiprocess=`ps -ef|grep $1|grep -v grep|grep -v ppid|awk ''`
for i in $process
doecho "kill the $1 process [ $i ]"
kill -9 $i
done
chengkill授執行權扔/usr/bin
mysql_status.sh
#!/bin/bash
#/usr/bin/nmap localhost | grep 3306
#lsof -i:3306
mysqlport=`netstat -tlnp | grep "3306"|awk -f[:" "]+ ''`
str_time=$ date "+%y-%m-%d %h:%m:%s"
function checkmysqlstatus(){
/usr/bin/mysql -uroot -plizhenghua --connect_timeout=5 -e "show databases;" &>/dev/null 2>&1
if [ $? -ne 0 ]
then
restartmysqlservice
if [ "$mysqlport" == "3306" ];then
echo "mysql restart successful......"
else
echo "mysql restart failure......"
python mail.py
fielse
echo "mysql is running..."
fifunction restartmysqlservice(){
cat code.txt
echo "測試重啟mysql服務!"
echo "清除mysql殘餘!"
chengkill mysqld
echo "準備重啟!"
service mysqld restart
echo "重啟成功!"
# python mail.py
if [ "$mysqlport" == "3306" ]
then
checkmysqlstatus
else
restartmysqlservice
fimail.py
#!/usr/bin/python
#-*- coding:utf-8 -*-
#python mail for chenglee
#if fileformat=dos, update fileformat=unix
#code:set fileformat=unix
#check:set ff ?
import smtplib
from email.mime.text import mimetext
from email.utils import formataddr
my_sender='[email protected]' # 發件人郵箱賬號
my_pass = 'mwbajizijah' # 發件人郵箱密碼(當時申請smtp給的口令)
my_user='[email protected]' # 收件人郵箱賬號，我這邊傳送給自己
my_content='系統管理員您好,該系統的mysql程序已經崩潰並重啟失敗,請手動重啟!!'
my_title='程序告警'
def mail():
ret=true
try:
msg=mimetext(my_content,'plain','utf-8')
msg['from']=formataddr(["發件人暱稱",my_sender]) # 括號裡的對應發件人郵箱暱稱、發件人郵箱賬號
msg['to']=formataddr(["收件人暱稱",my_user]) # 括號裡的對應收件人郵箱暱稱、收件人郵箱賬號
msg['subject']=my_title # 郵件的主題，也可以說是標題
server=smtplib.smtp_ssl("smtp.qq.com", 465) # 發件人郵箱中的smtp伺服器，埠是465
server.login(my_sender, my_pass) # 括號中對應的是發件人郵箱賬號、郵箱密碼
server.sendmail(my_sender,[my_user,],msg.as_string()) # 括號中對應的是發件人郵箱賬號、收件人郵箱賬號、傳送郵件
server.quit()# 關閉連線
except exception:# 如果 try 中的語句沒有執行，則會執行下面的 ret=false
ret=false
return ret
ret=mail()
if ret:
print("郵件傳送成功")
else:
print("郵件傳送失敗")
code.txt
|(*(t)*)
/ 0と ) /
chenglee
前後兩個放在同乙個目錄, 中間chengkill扔bin, 然後守護模式執行check.sh。
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