Re: [Devmon] Initial weather map implementation

[Craig B. <cra...@ro...>]

Hi Buchan,

This is great, I have it up and working but only if I run the script
manually, It won't run from hobbitlaunch.
I took your entries from weathermap.cfg and added to hobbitlaunch.cfg as
below but the hobbit environment variables don't seem to be passed to
the perl script so it fails to run.

[weathermap]
        ENVFILE /home/hobbit/server/etc/hobbitserver.cfg
        CMD $BBHOME/ext/weathermap.pl --image-uri=weathermap.png
        LOGFILE $BBSERVERLOGS/bb-weathermap-wan.log
        INTERVAL 1m

I then reread the install notes and noticed the following that I had
over looked the following, I assume this is why the environment
variables are not getting passed.

the weathermap.cfg file to a directory referenced by hobbitlaunch.cfg
(e.g. $BBHOME/etc/hobbitlaunch.d/) 

Can you expand on the weathermap.cfg and hobbitlaunch.cfg configuration.

Thanks

Craig

-----Original Message-----
From: Buchan Milne [mailto:bg...@st...] 
Sent: Friday, 10 October 2008 2:46 a.m.
To: dev...@li...
Subject: [Devmon] Initial weather map implementation

I have been hacking on the perl versions of weathermap that I found, and
have hacked one up that works with Hobbit and devmon (for now, only
devices using the if_load test).

The interface load and descriptions are taken from the if_load test
(retrieve from Hobbit via hobbitdlog), and the map is created using a
configuration file (mostly the same format as that used by the other
implementations).

The difference is that a lot less information needs to be included in
the weathermap configuration (the INFOURL, OVERLIBGRAPH, TARGET,
BANDWIDTH), as they are unnecessary for Devmon/Hobbit.

However, the node names need to match the hostname used in bb-hosts, and
the interfaces need to be specified with the INTERFACES tag.

E.g., this is sufficient to get two nodes and a link between them, with
popup graphs of the interface (on the arrows) and load (on the nodes). 

NODE tau
        LABEL TAU
        POSITION 86 524

NODE upsilon
        LABEL UPSILON
        POSITION 421 524

LINK tau-upsilon
        NODES tau upsilon
        INTERFACES Gi1/1 Gi1/1


A tarball is available at: http://staff.telkomsa.net/~bgmilne/devmon-
weathermap-1.1.2.tar.gz for now.

I think sufficient instructions are available, but I would love to hear
what other people think ...

Regards,
Buchan



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