organizing config files with templates

Simon Kainz simon.kainz at tugraz.at
Wed Aug 19 11:52:16 CEST 2009


mail at catsnest.co.uk wrote:
> On Wed, Aug 19, 2009 at 3:31 AM, Terry <td3201 at gmail.com
> <mailto:td3201 at gmail.com>> wrote:
> 
>     Hello,
> 
>     I have a medium-sized installation (>10,000) services) in a manged
>     services/data center environment.   I am curious how others in these
>     types of multi-tenant environments organize their configuration files.
>      There are multiple things to consider:
>     - templates
>     - cfg_dirs
>     - grouping
> 
>     I am considering cfg_dirs in this fashion:
>     /etc/nagios/objects/hosts/customer.cfg
>     /etc/nagios/objects/services/customer/host.cfg
> 
>     I am considering templates in this fashion:
>     /etc/nagios/objects/services/templates/sql.cfg  (will contain
>     microsoft sql type services)
>     This template will look like this:
>     define service{
>            use                             standard-server
>            hostgroup_name                  sql
>            service_description             microsoft sql server service
>            check_command                   check_nrpe_win_service_mssql
>            }
>     Then I can just add hosts to the sql hostgroup to give them this
>     service.
> 
>     What am I missing?  What do others do that might make my life easier?
> 
> 
> Sounds a lot like what I use... I also use host-templates for example:
> 
> define host{
>                 use               solaris,dns,an-other-app
>                 address...
> }
> 
> the solaris host-template applies standard checks like disk, cpu, SMF.
> the solaris-10-global template applies checks such as zone-checks

Hmm, could you eventually explain how the "solaris host-template applies
standard checks (which seem to me like services) ? How do you do this ?

Regards,

> 
> the same can be applies to a windows / rhel template
> 
> our rhel and solaris templates actually "use" basic *nix templates too.
> 
> this was each hosts config is kept to a minimum. also keeping each host
> in its own .cfg file helps eg .../customer1/server-name1.cfg then any
> host specific checks (eg url checks) can be added to that one config
> file too.
> 
> Ritchie
>  
> 
> 
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-- 
DI Simon Kainz
Graz, University of Technology
Department Computing
Phone: ++43 (0) 316 / 873 6885

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