Hi all,
I'm asking you a little memory work : the installation of your first Nagios
box. Can you remember how much time did it take to have a "simple"
monitoring (FTP, HTTP, DNS, ping) of yours hosts?
For myself, it just take days (I was young....). I think for new comers it's
the same thing. But they would like to have something "real" in front of
them in less than few days. Now necesseraly a full monitoring installation
because it need a lot of work and experience, but at least something they
can say "hey, it really works!".
That why I start a little discovery script. From now please don't look too
closely at the code, it's a mere proof of concept.
The idea is to have nmap do nearly all the job for us :
* the user launch a nmap scan with xml output (sudo nmap 192.168.0.-2541 -T4
-O --traceroute -oX out.xml)
* then we just parse it (there are OS, open ports and route in the xml) and
create simple configuration for the discovering hosts and classic ports.
>From now you can run it with :
shinken/libexec/discovery.py -x out.xml -o /tmp/foo -d /etc/shinken/objects
It will create a file for each hosts in etc/objects/hosts and
objects/services and a file for each generated service.
>From now only very classic network ports are managed (ftp, ftps, http,
https, oracle, etc) and we just apply dummy templates for windows and linux
without real checks from now.
I would like this script (that will be renamed shinken-discovery I think) to
be more modular, so people can easily extend it, and why not backport us
some automatic configuration sample.
Like Gerhard said me, it can be a good thing to use some checks plugins to
do the discovery. For example the oracle check can list tablespace and so
on. But maybe it for a second version of this script, and with some on
configuration hint about discovery like :
define host {
host_name server-oracle-1
discover oracle(scot,tiger)
}
For example can call the :
define command {
command_name oracle
command_line check_oracle_health -H $HOSTNAME$ --user $ARG1$ --password
$ARG2$ -mode list-tablespaces
}
So feel free to test it and tall what you think about such simple script, or
the whole discovery feature :D
Jean
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