Hi,
can you run monit in debug mode ("-v" option) and check the logs?
Regards,
Martin
On Nov 5, 2012, at 6:09 PM, Houssan A. Hijazi <[email protected]> wrote:
> Hi,
>
> my config file:
>
> check process nginx
> with pidfile /dh/nginx/servers/httpd-ps93737/var/logs/nginx.pid #Pid file
> for nginx in my case it located in /opt/nginx/logs/
> start program = "/etc/init.d/nginx start"
> stop program = "/etc/init.d/nginx stop"
> if failed host www.mysite.com port 80 protocol HTTP then restart #set your
> server IP that runs nginx
> if 5 restarts with 5 cycles then alert
> check program webserverresponse with path /home/myhome/webserver_response.sh
> # if status == 502 then restart
> if status == 502 then exec "/usr/local/bin/monit restart nginx"
> depends on nginx
>
> My /home/myhome/webserver_response.sh return 502, but not work, not restart
> nginx.
>
> I did something wrong?
>
> thanks
>
> 2012/11/2 Martin Pala <[email protected]>
> You can keep the "depends on nginx" as well (if the parent nginx service will
> be restarted, it will suppress the child service test during the restart).
>
>
> On Nov 2, 2012, at 10:16 PM, "Houssan A. Hijazi" <[email protected]>
> wrote:
>
>> Hi,
>>
>> thanks for your hint.
>>
>> i don't need put: depends on nginx ?
>>
>> Thanks
>>
>>
>>
>> 2012/11/2 Martin Pala <[email protected]>
>> I'm sorry i provided wrong hint - the child service restart action doesn't
>> trigger the parent's service restart (the action cascades from parents to
>> children but bot vice versa).
>>
>> The correct way to restart the nginx and prevent th race condition between
>> the two checks is:
>>
>> check program webserverresponse with path /home/myhome/webserver_response.sh
>> if status == 502 then exec "/usr/bin/monit restart nginx"
>>
>> Regards,
>> Martin
>>
>>
>>
>> On Nov 1, 2012, at 6:19 PM, "Houssan A. Hijazi" <[email protected]>
>> wrote:
>>
>>> Hi,
>>>
>>> this rule is not work:
>>>
>>> check program webserverresponse with path /home/myhome/webserver_response.sh
>>> if status == 502 then restart
>>> depends on nginx
>>>
>>> if i run /home/myhome/webserver_response.sh in terminal it print 502 but
>>> the monit not restart.
>>>
>>> Can you help me?
>>>
>>> thanks
>>>
>>> 2012/11/1 Houssan A. Hijazi <[email protected]>
>>> Thanks, Martin
>>>
>>>
>>> 2012/11/1 Martin Pala <[email protected]>
>>> Hi,
>>>
>>> the "check program" was added in Monit 5.3 ... you need to upgrade monit.
>>>
>>> Regards,
>>> Martin
>>>
>>>
>>> On Nov 1, 2012, at 2:59 PM, "Houssan A. Hijazi" <[email protected]>
>>> wrote:
>>>
>>>> Hi,
>>>>
>>>> i created the file like this:
>>>>
>>>> #!/bin/bash
>>>> curl -o /dev/null --silent --head --write-out '%{http_code}\n'
>>>> http://www.mysite.org
>>>>
>>>> it return the http response code.
>>>>
>>>> in monit configuration i do:
>>>>
>>>> check process nginx
>>>> with pidfile /dh/nginx/servers/httpd-myserver/var/logs/nginx.pid
>>>> start program = "/etc/init.d/nginx start"
>>>> stop program = "/etc/init.d/nginx stop"
>>>> if failed host www.mysite.org port 80 protocol HTTP then restart #set
>>>> your server IP that runs nginx
>>>> if 5 restarts with 5 cycles then alert
>>>> check program webserverresponse with path
>>>> /home/myhome/webserver_response.sh
>>>> if content == "502" then restart
>>>> depends on nginx
>>>>
>>>> When i try start monit:
>>>>
>>>> $ sudo /etc/init.d/monit start
>>>> Starting daemon monitor: Syntax error:
>>>> /etc/monit/conf.d/nginx.conf:7: Error: syntax error 'webserverresponse'
>>>>
>>>> Monit version: 1:5.1.1-1
>>>>
>>>> thanks
>>>>
>>>>
>>>> 2012/10/31 Martin Pala <[email protected]>
>>>> Hi,
>>>>
>>>> the default HTTP protocol test returns just failure if the HTTP code is
>>>> error.
>>>>
>>>> You can use the "check program" test with custom script and use curl/wget
>>>> to get the http response code, for example (not tested):
>>>> /usr/local/bin/myhttptest.sh:
>>>> --8<--
>>>> #!/bin/bash
>>>> exit `curl -sL -w "%{http_code}\\n" "http://mymachine"; -o /dev/null`
>>>> --8<--
>>>>
>>>> and then connect it to Monit like this:
>>>> --8<--
>>>> check process apache with pidfile /var/run/apache.pid
>>>> start program = ...
>>>> stop program = ...
>>>>
>>>> check program myhttptest with path /usr/local/bin/myhttptest.sh
>>>> if status == 502 then restart
>>>> depends on apache
>>>> --8<--
>>>>
>>>>
>>>>
>>>> Another option is to use the generic send/expect test to write simple HTTP
>>>> check and test the 502 response - generic example from the monit manual:
>>>> --8<--
>>>> if failed host cave.persia.ir port 4040
>>>> send "Open, Sesame!\r\n"
>>>> expect "Please enter the cave\r\n"
>>>> send "Shut, Sesame!\r\n"
>>>> expect "See you later [A-Za-z ]+\r\n"
>>>> then restart
>>>> --8<--
>>>>
>>>>
>>>> Regards,
>>>> Martin
>>>>
>>>>
>>>> On Oct 30, 2012, at 1:57 PM, Houssan A. Hijazi <[email protected]>
>>>> wrote:
>>>>
>>>> > Hi,
>>>> >
>>>> > i am on dreamhost using nginx with fastcgi, i need use monit to
>>>> > monitoring the nginx error, if error is 502 so restart.
>>>> >
>>>> > in my monit.log i have:
>>>> >
>>>> > HTTP error: Server returned status 502
>>>> >
>>>> > How i can see if host returned 502 error ?
>>>> >
>>>> > Thanks
>>>> >
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>>>>
>>>>
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>>>>
>>>> --
>>>> --
>>>> Houssan A. Hijazi
>>>> Analista de Sistemas
>>>> www.lojasnoparaguai.com.br / www.libanovivo.org
>>>> --
>>>> To unsubscribe:
>>>> https://lists.nongnu.org/mailman/listinfo/monit-general
>>>
>>>
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>>>
>>>
>>> --
>>> --
>>> Houssan A. Hijazi
>>> Analista de Sistemas
>>> www.lojasnoparaguai.com.br / www.libanovivo.org
>>>
>>>
>>>
>>> --
>>> --
>>> Houssan A. Hijazi
>>> Analista de Sistemas
>>> www.lojasnoparaguai.com.br / www.libanovivo.org
>>> --
>>> To unsubscribe:
>>> https://lists.nongnu.org/mailman/listinfo/monit-general
>>
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>>
>> --
>> --
>> Houssan A. Hijazi
>> Analista de Sistemas
>> www.lojasnoparaguai.com.br / www.libanovivo.org
>> --
>> To unsubscribe:
>> https://lists.nongnu.org/mailman/listinfo/monit-general
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>
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> Houssan A. Hijazi
> Analista de Sistemas
> www.lojasnoparaguai.com.br / www.libanovivo.org
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