Monitor whether the running service is normal and send an email alert

Monitor whether the running service is normal and send an email alert

Monitoring Service, which is a task placed on crontab. I do not like to run it in the background using an endless loop.

Therefore, three cycles are executed each time. If any of the services is down, an alarm is triggered.

The effect of the three rewrite methods is the same.

#! /Bin/bash


Nmap-p 6065 10.31.6.6 | egrep "6065/tcp open" &>/dev/null
Code1 = $?

Nmap-p 80 10.31.6.6 | grep "80/tcp open http">/dev/null 2> & 1
Code2 = $?

Curl http: // 10.31.6.6/test.html/> &/dev/null
Code3 = $?



My_mail (){

Mail_list = ("test@hotmail.com.cn" "test2@hotmail.com.cn ")
Now_date = 'date "+ % Y-% m-% d % T "'
For I in $ {mail_list [@]}
Do
Echo-e "webchat is down, please check; \ nip: 42.62.5.100 \ n $ now_date" | mail-s "webchat down" $ I
Done
}



N = 1
Count = 1
While (n <4 ))
Do

If [$ code1 = 0] & [$ code2 = 0] & [$ code3 = 0]
Then
N = $ ($ n + 1 ))
Sleep 2

Else
Count = $ ($ count + 1 ))
N = $ ($ n + 1 ))
Sleep 2
If [$ count-eq 3]; then
My_mail
Fi

Fi

Done

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