A sample nova_powervm configuration file can be generated with
the oslo tooling via:
oslo-config-generator --namespace nova_powervm > sample.conf
The output file will contain all the nova_powervm configuration
options. The file can be edited and then copy-n-pasted into the
full nova.conf file.
Change-Id: Iacc3a3ec9e7b00275ba192b5b9b07e346da6fbbf
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