[libvirt] [PATCH] [RFC] xen-xm: Generate UUID if not specified

[Jim Fehlig]

I received a bug report about 'virsh domxml-from-native xen-xm' failing
when the xm configuration does not contain a UUID.  IMO, this is a bit
harsh since UUID is not even required when defining a domain.

I first took the approach of skipping the parsing of UUID when it is not
specified in the xm config, but that results in a UUID of all zeros,
which is the dom0 UUID from the xen tools perspective.

I'd like to hear what other folks think about the attached patch, which
generates a UUID if it is not specified in the xm config.

Regards,
Jim

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