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RE: Monit and SQL query


From: Charles Pino
Subject: RE: Monit and SQL query
Date: Tue, 11 Sep 2012 20:11:15 +0800

sorry the db is MySQL
and i am trying to read  the difference between the last written record and the current time.
if its been 12 hours already. it should send an alert via monit.

problem is i am not really sure how to grep or an sql result that has different values (not just 1 or 0)

if status != 0 then alert   -- should i still use status?  

sorry im completely new to monit.


Date: Mon, 10 Sep 2012 14:51:42 -0400
Subject: Re: Monit and SQL query
From: address@hidden
To: address@hidden

Build a shell script that:
1. will issue the command to your server (you did not say what kind of sql server you have)
2. will parse the result from the server using for example grep and regex
3. If the result is unexpected use 'exit 1' 
4. Set in monit as Martin said

On Mon, Sep 10, 2012 at 6:34 AM, Charles Pino <address@hidden> wrote:
sql statement is supposed to evaluate if the result is >= to 12 , if true then alert. 

 how do i put that in place of " PROCESS OUTPUT AND RETURN 1 IF FAILED OTHERWISE 0" ??

thanks


From: address@hidden
Subject: Re: Monit and SQL query
Date: Mon, 10 Sep 2012 09:06:11 +0200
To: address@hidden


Hello,

you can use the "check program" to test the exit value of custom script. In this case the script can execute the SQL statement and return error if problem is found.

Script skeleton:
--8<--
#!/bin/bash
/ur/bin/mysql -e "SQL STATEMENT" ... | PROCESS OUTPUT AND RETURN 1 IF FAILED OTHERWISE 0
--8<--

Connection of the script with monit:
--8<--
 check program myscript with path "/usr/local/bin/myscript.sh"
       if status != 0 then alert
--8<--

Regards,
Martin


On Sep 9, 2012, at 4:58 PM, Charles Pino <address@hidden> wrote:

Hello all,
 is it possible to execute and SQL query and have monit execute and alert or something else depending on its response?

 i have a sql query that queries a specific table. of something hasnt been updated in that table for 12 hours. i need to send an alert or whatever. that the table/field hasnt been updated.

please help.

thanks

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