[Ovirt-devel] [PATCH] oVirt / RRD Test Data
Mohammed Morsi
mmorsi at redhat.com
Tue Aug 5 23:06:44 UTC 2008
Attached is my now functional ruby script to generate test / demo rrd
data and the oVirt patch required to get it working (a few small code
tweaks / fixes and a few fixture modifications).
1. To generate the data data simply run `ruby demo-rrd-data.rb`. There
are a few variables at the top of the script which you can tweak to
configure things like nodes generated, cpu's per node, interval in
seconds between data points, etc.
2. To see the test data, you need to be running rails in the testing
environment and have a populated ovirt_test db. This can be accomplished
by running the tests once (eg 'rake test')
3. Alot of data needs to be generated, thus the script is slow (at least
on my system), and it isn't yet set to generate the number of data
points in a time period that collectd does / oVirt is expecting (change
the $interval variable at the top of the script from 60 to 10 to do
this, but this will be all the more slower). Since the graphs require
more data points than it is currently getting, they appear a bit
discrete. Perhaps we can correct this and run it on a faster machine and
just send out and use the data set generated. Alternatively, I could
disable some of the algorithms used to generated data and simply reuse
data points for some of the graphs if series repetition is not a problem.
-Mo
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