Hi all,
I've just created a very basic munin installation for the lab:
http://munin.validation.linaro.org/
The monitoring wonk I consulted said that munin is perhaps not the
greatest way of getting graphs of your system but that it's probably the
easiest to set up. Better than nothing :-)
To add a system to munin you need to:
1) apt-get install munin-node on the system
2) Edit /etc/munin/munin-node.conf on the system to contain:
host_name XXX.validation.linaro.org
allow ^192\.168\.1\.32$
3) sudo service munin-node restart on the system
4) Add the following to /etc/munin/munin.conf on linaro-gateway:
[XXX.validation.linaro.org]
address 192.168.1.YYY
use_node_name yes
and that's it! The data viewable at http://munin.validation.linaro.org/
is generated by a */5 cron, so it takes a while for a new host to
appear. If someone wants to add dogfood, the compute nodes, the fast
model instances etc etc be my guest...
Once all the systems are added, the next thing is to start looking at
adding more us-specific metrics -- scheduler queue lengths, request
numbers and duration from django or apache, various postgres stats etc
etc. It would also be nice to add "events" to the graphs such as
rollouts and job start/ends but I don't know if that is supported.
Cheers,
mwh
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