On Sep 9, 2008, at 12:53 PM, Chris Stolworthy wrote:
> Hey everyone,
>
> I have been looking but I can’t seem to find an article that deals
> specifically with my problem. I have 2 servers (lets say
> 192.168.1.10,192.168.1.20) they both have the same website on them
> and they are load balanced. I would like to specifically check that
> the website on 192.168.1.10 is up and then check that the website on
> 192.168.1.20 is up as well. I can get it to work by putting in the
> url testing.test.com, but I cannot seem to get anything working with
> a specific url. I assume that the check_http module can handle
> this, but I am not sure how to configure it.
Create a host{} definition for each server --
define host {
host_name webserver_1
alias Tasty Server 1
address 192.168.1.10
...
}
(repeat)
Create a service definition associated with each server --
define service {
host_name webserver_1
service_description My Happy Balanced Site
check_command check_http_url!testing.test.com!/path/to/check
...
}
(repeat)
Create a command definition that allows for dynamic v1.1 host header
and url path (suitable for use for other websites) --
define command {
command_name check_http_url
command_line $USER1$/check_http -I $HOSTADDRESS$ -H $ARG1$
-u $ARG2$
-w 20 -c 30 -t 45
}
Explanation --
For each host, check_http will (check_http --help) --
check the webserver listening on the host
-I, --IP-address=ADDRESS IP address or name (use numeric address if
possible to bypass DNS lookup).
ask for the virtual host 'testing.test.com'
-H, --hostname=ADDRESS Host name argument for servers using host
headers (virtual host)
and the path '/path/to/check'
-u, --url=PATH URL to GET or POST (default: /)
WARNING if it takes longer than 20 seconds
-w 20
CRITICAL if it takes longer than 30 seconds
-c 30
timeout if all else fails in 45 seconds
-t 45
You'll get an alert if either is down. If you want to test if the site
is completely unavailable, the check_cluster plugin would be the way
to go combined with the above.
--
Marc
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