Hey Mark,

Thanks for the great response.

My nagios check_http plugin seems to be a bit newer than yours. I'm
using Nagios V2.9 with what appears to be newer plugins.

[EMAIL PROTECTED] libexec]# ./check_http -V
check_http (nagios-plugins 1.4.9) 1.104


Here are the test cases. All exit codes look to be correct on command
completion (0,2,2 respectively), but when I use the echo $? command -
they are all zeros  (see below).

Cases below...

Thanks,

-Rob

Case: Apache up, JBoss up

[EMAIL PROTECTED] libexec]# ./check_http -e OK -H <virtualhost> -I app10 -u
<testurl>
[1] 4332
[EMAIL PROTECTED] libexec]# HTTP OK HTTP/1.1 200 OK - 609 bytes in 0.134
seconds |time=0.134439s;;;0.000000 size=609B;;;0
[1]+  Done                    ./check_http -e OK -H <virtualhost> -I
app10 -u <testurl>
[EMAIL PROTECTED] libexec]# echo $?
0


Case: Apache down, JBoss up

[EMAIL PROTECTED] libexec]# ./check_http -e OK -H <virtualhost> -I app10 -u
<testurl>
[1] 4411
[EMAIL PROTECTED] libexec]# Connection refused
HTTP CRITICAL - Unable to open TCP socket
[1]+  Exit 2                  ./check_http -e OK -H <virtualhost> -I
app10 -u <testurl>
[EMAIL PROTECTED] libexec]# echo $?
0


Case: Apache up, JBoss down

[EMAIL PROTECTED] libexec]# ./check_http -e OK -H <virtualhost> -I app10 -u
<testurl>
[1] 4431
[EMAIL PROTECTED] libexec]# HTTP CRITICAL - Invalid HTTP response received
from host
[1]+  Exit 2                  ./check_http -e OK -H <virtualhost> -I
app10 -u <testurl>
[EMAIL PROTECTED] libexec]# echo $?
0

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Marc
Powell
Sent: Friday, July 27, 2007 12:28 PM
To: nagios-users@lists.sourceforge.net
Subject: Re: [Nagios-users] Need help with check_http



> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:nagios-users-
> [EMAIL PROTECTED] On Behalf Of Rob Hamilton
> Sent: Friday, July 27, 2007 10:58 AM
> To: nagios-users@lists.sourceforge.net
> Subject: [Nagios-users] Need help with check_http
> 
> 
> 
> The check_http plugin doesn't seem to be catching critical events and
> connection refused events:


> When apache is off, I get a "Connection refused"  in the status
> information, but the nagios status for the defined service is "OK"
> 
> 
> 
> When apache is up and the app server is down, I get "HTTP CRITICAL -
> Invalid HTTP response received from host " in the status information,
but
> the nagios status for the defined service is "OK"
> 
> 
> 
> When I run check_http from the command line manually, I can confirm
that
> I'm receiving correct status information back and the expect string of
> "OK" isn't in the response.
> 
> 
> 
> What am I missing?

The nagios status is not derived from the text output but rather the
exit code of the plugin. When testing from the command line, use 'echo
$?' to verify the exit code of the plugin. 0 = OK, 1 = Warning, 2 =
Critical. The symptoms you are reporting indicate that the exit code
isn't being set properly or isn't being seen by nagios properly.

I've confirmed that it should work as specified by you, at least with a
slightly older version of check_http. Are you seeing the proper exit
code from the plugin? --

$ ./check_http -e OK -H www.somehost.com -I myip.address -u /foo
Invalid HTTP response received from host
$ echo $?
2

$ ./check_http -e OK -H www.somehost.com -I myip.address -u /foo
Connection refused
Unable to open TCP socket
$ echo $?
2

$ ./check_http -V
check_http (nagios-plugins 1.4.3) 1.89

If nagios isn't seeing the exit code properly, that would be a rather
unique situation. I can't recall seeing that before.

--
Marc

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