Re: Check that text does not exist on a page on a name-based virtual host

[Martin Pala]

Hi,

you can use the "hostheader" option with the http protocol test (requires monit 
5.1.1 or newer) - unfortunately this syntax doesn't support the "content" check.

Example:
--8<--
check host production with address 127.0.0.1
    if failed port 9999 protocol http request "/some_page" hostheader "foo.com" 
then alert
--8<--

We should consolidate the url test to support hostheader + the http protocol 
test to support content check.


As a workaround, you can define the whole HTTP request and expected response 
using generic send/expect test. Example:
--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 2, 2010, at 10:28 PM, Mark Feeney wrote:

> Greetings.
> 
> First: I love monit.  Excellent tool.  Very simple and effective.
> Thanks to all involved.
> 
> I have come up with something I can't figure out how to monitor,
> though:  I want to check that a web page does not contain certain text
> and the page is on a name-based virtual host.
> 
> This almost works for me:
> 
> check host production with address 127.0.0.1
>    if failed url
>        http://foo.com/some_page
>        and content != 'BAD'
>        then restart
> 
> However, it's incorrect for me to use "http://foo.com"; since it's a
> cluster, so restarting the current server isn't necessarily going to
> help.
> 
> What I want is something like:
> 
> check host production with address 127.0.0.1
>    if failed url
>        http://127.0.0.1:9999/some_page
>        use host header "foo.com" # not real syntax
>        and content != 'BAD'
>        then restart
> 
> Is there a way to achieve this?  proto http and SEND/EXPECT seemed a
> possibility, but I'm not sure how to write the EXPECT part.
> 
> I'm using monit 4.10.1.
> 
> Thanks,
> 
> 
> Mark.
> 
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