[hobbit] Problems with custom RRD graphs

[Andy France]

Henrik Stoerner <henrik at hswn.dk> wrote on 18/02/2005 00:30:45:

> On Thu, Feb 17, 2005 at 11:11:11PM +1300, Andy France wrote:

> [success story]

> Congrats - it's nice to know this mechanism works. Doing it in my "lab
> setup" is often very different than what goes on in real life.

> > My remaining problem is that after colecting a few data points, I still
> > have no graphs on the test pages or the trends page.  I'm off to bed
now
> > and will re-check tomorrow morning.  But if you know of anything else I
may
> > have missed please let me know!  Should bb-hostsvc.sh pick it up
> > automagically?

> No, there are a couple of tweaks you must do for that to happen.

> The LARRDS and GRAPHS settings in etc/hobbitserver.cfg must be told
> about this new graph.

> If the column-name for your custom test is "xyz", then you just add
> "xyz" to the LARRDS setting - when bb-hostsvc.cgi then builds the
> status display, it will know to include the graph on the webpage.

> If you want the graph also to appear on the "trends" page with all the
> other graphs, you must also add it to the GRAPHS setting.

> In either case, you of course have to setup hobbitgraph.cfg with the
> RRDtool definitions for this new graph, so it knows how to generate
> the graph from your data.

Awesome!

I've updated etc/hobbitserver.cfg for my new columns, tweaked my entries in
etc/hobbitgraph.cfg, and now have a funky graph that shows a 10 volt
variance on my UPS input over the last 10 hours!

Thanks again,
Andy.


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