SNMP community in host configuration

[Patrick Proy]

Hi,

I updated my patch. Works with today's CVS : "patch -p0 <
patch_nag_snmp_2004.12.21.patch" :

- added "snmp_community" in host/template definition, accessed by
$SNMPCOMMUNITY$ macro.

- Changed the "hostuser" macro in "hostmacro" : 
	- in host/template definition : "hostmacro<n>   SomeData"
	- In services : "$HOSTMACRO<n>$"

- In nagios.cfg, the option is now named "host_snmp_login", same syntax. 

As usual, feedbacks are welcome !

Patrick
nagios AT proy.org
 
> How to patch : 
>  - it work with the CVS version of 19 Dec 2004
>  - in the "nagios-cvs" directory : "patch -p0 < patch_nag_snmp.patch"
> 
> Note : only works with template based config files.
> 
> I tested it on Linux only for now, but as nothing is platform 
> specific, it should be OK.
> Here are the modified files (if a new CVS version is out) : 
> - common/objects.c base/config.c base/nagios.c base/utils.c 
> include/common.h include/objects.h include/nagios.h.in 
> xdata/xodtemplate.c xdata/xodtemplate.h
> 
> 
> What it does :
> 
> 1) SNMP for each host
> 
> You can put snmp information in three ways : 
> - In the host definition :
> 	snmp_version <int>    # stores snmp version
> 	snmp_login <string>   # stores snmp login (for v3)
> 	snmp_pass  <string>   # stores snmp password for v3 or 
> community for
> v1
> None of them are compulsory of course
> - In the host template (will then only overwrite what's not in host
> definition)
> 	Same syntax
> 
> - In the nagios.cfg file : 
> 	snmp_login=1,<comunity>,<network>/<mask>
> 	snmp_login=3,<login>,<pass>,<network>/<mask>
> 	
> 	This is generic snmp login for networks : it will be put in the host

> snmp info if the host hasn't got any, and if it's address matches the 
> network/mask definition. Mask with best precision will be chosen 
> first.
> 	Example : 
> 	snmp_login=1,private,10.100.0.0/16
> 	snmp_login=3,login1,pass1,10.100.0.3/32
> 
> 	This means : 
> 	- on the 10.100.0.0/16 network : v1, private
> 	- for the 10.100.0.3 host : v3 : login1, pass1
> 	
> 	10.100.3.45 : will get v1, private
> 	10.100.0.3 : will get v3, login1, pass1
> 
> - The information is available as macro : 
> 	- $SNMPVERSION$
> 	- $SNMPLOGIN$
> 	- $SNMPPASS$
> 	
> 
> 2) user variables for host
> 	
> - Each host can have up to 10 user variables (you can put more or 
> less, just by modifying a number in the code), specified in its 
> definition :
> 	hostuser<n>	<string>
> 	
> 	example : 
> 	hostuser3	SomeInformation
> 
> - Of course, host templates can have hostuser<n> too. (will be put in 
> host definition is the host doesn't have the hostuser<n> already).
> 
> - Available as macro : 
> 	$HOSTUSER<n>$
> 
> TODO : 
> - I forgot snmp v2c : maybe 2 will be okay but it would be cleaner to 
> have "2c".
> - Hostuser are from 0->9..., maybe it would be cleaner to put 1->10.
> 
> 
> Please test it and give me feedback !
> 
> 
> Patrick
> nagios AT proy.org
> 
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