[hobbit] Re: hobbitd_alert: Servers on multiple pages & PAGE= rules

[s_aiello at comcast.net]

If I understand you correctly, a host can really only live on one page. 
But 'aliases' of the host can show up on other pages, just most of Hobbit 
does not see the aliases.

That work around doesn't work for me. I was hoping of setting up my alert 
rules to be page based, so if it is displayed on 1, 2,  or 3 pages.. the 
appropriate group/groups would be alerted. 

Though if this actually did work, and then I started using different 
group-only options on the different pages... then i would only want the 
reports that are displayed on that particular page to match the PAGE= alert 
rule. So I can see that it would be a can of worms.

So the only valid solution I can see is to use macros to create groups of 
hosts, and uses those macro groups in my alert rules. Then when I add/remove 
a device from a page, I will also need to add/remove it from my macro groups. 
Is there a limit on the number of hosts that can be defined in a macro ? 
Though using a macro would be somewhat ugly:
$GroupA=(HostA|HostB|HostC|HostD)

My problem is that I have multiple groups that want to be alerted, and a good 
# of the devices are shared between groups.

Thank you for you prompt response, I appreciate it.
 ~Steve

On Friday 01 June 2007 16:00, Henrik Stoerner wrote:
> On Thu, May 31, 2007 at 12:21:20PM -0400, s_aiello at comcast.net wrote:
> > Digging back into this issue [...]
>
> The root of the problem is that as far as 99% of Hobbit is concerned, a
> host lives on one page only: The one it gets from the "page", "subpage"
> and "subparent" tags in bb-hosts. If a host is listed twice (or more) in
> bb-hosts then it is assigned one of those as the "preferred" definition,
> either by explicitly having the "prefer" keyword listed on one entry,
> or by virtue of having one of the entries with an IP and the others
> listed as "0.0.0.0" and "noconn".
>
> The only exception is that "bbgen" which builds the webpages can place a
> host in multiple locations on the webpages. All the other tools just
> ignore that.
>
> So the workaround for your scenario would be to define your bb-hosts
> file as
>
>     page servers
>     subpage Web Web Servers
>     1.2.3.4             Web01.domain.com   #
>     0.0.0.0             Web02.domain.com   # noconn
>     Subpage Other Other Web Servers
>     1.2.3.5             Web02.domain.com   # prefer
>
> Then, as far as Hobbit is concerned, the Web02 host resides on the
> "servers/Other" page.
>
> It would be nice to have hosts internally represented as residing on a
> list of pages rather than just a single page. But it's a complexity that
> so far I haven't found it worth adding.
>
>
> Regards,
> Henrik
>
>
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