Dynamic host, hostgroup and service addition/subtraction

[Martin Melin]

We have a config with similar characteristics (EC2 app)

Set up templates so that the only unique information in your host
definition is the IP address, then have your scaling scripts add and
remove definitions for your nodes. For easy management, I suggest
having one host definition per .cfg file in a subdirectory.

Have cron send Nagios a HUP to reload the config every 5 or 10
minutes, and you should be good to go.

Use regex matching with host and service group names to get nice
dynamic group memberships etc.

Good luck!

Best regards,
Martin Melin

On Wed, Dec 23, 2009 at 10:58 PM, Lee Azzarello <lee at dropio.com> wrote:
> I have an application that requires new cluster nodes be created and
> destroyed to handle load spikes.  I would like this additional
> capacity to be represented in nagios during it's lifetime. Currently
> my installation requires manually adding host definitions and
> dependent hostgroup and service configurations. Is there a system in
> Nagios 3 to change the host definitions without editing a
> configuration file, redeploying the configs and restarting the nagios
> service?
>
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