[ixpmanager] Grapher with MRTG shows broken graphs

Tom Duff tom.duff at gmail.com
Fri Apr 20 20:21:47 IST 2018


How embarrassing, I forgot a closing quotation mark at the end of my
GRAPHER_BACKEND_MRTG_LOGDIR. Graphs are working fine now.

Well, for anyone out there who has the same problem - check your
quotes in the .env file.

*facepalm*

--Tom


On Fri, Apr 20, 2018 at 2:55 PM, Tom Duff <tom.duff at gmail.com> wrote:
> Hi all,
>
> I'm setting up IXP Manager V4.7.3 on Ubuntu 16.04 (I used the neat
> bootstrap script, thinks for that!), and I've got my switch added.
> I've followed the instructions to configure MRTG as the grapher
> backend here:
>
>        http://docs.ixpmanager.org/features/grapher/
>
> I have MTRG running as a daemon (by the way, the script on that page
> that performs the syntax check on the mrtg.cfg file has a small typo
> in it, but that's been reported in bug 396 on github) - I'm seeing
> mrtg running, and the rrd files are being generated in /srv/mrtg.
> However, IXP Manager isn't loading graphs when you load the pages, all
> I can see is broken images, which look like this in the source code:
>
> [img width="100%" border="0" src="data:image/png;base64," /]
>
> Every graph is broken. There are no errors in MRTG's log file,
> everything on the backend seems to be working just fine. The web
> interface just doesnt seem to be rendering the graphs.
>
> If I switch my GRAPHER_BACKENDS from "mrtg" back to "dummy", the dummy
> graphs load fine. I'm pretty sure I haven't missed a step, is there
> some reason IXPManager wouldn't be rendering the graphs?  Any help
> would be greatly appreciated.
>
> --Tom


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