[libvirt-users] Deriving VMs from a reference image via scripts
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Hi.
I have a reference .vmdk (and .xml) reference VM. I need to instantiate multiple new VM’s
from this, but changing various parameters: name, MAC address, network connections, cores,
memory size, disk size and backing store, etc. and then start these new VM’s… all via
‘virsh’ et al from a script.
What are the steps to do this? I was looking at the command help and some tutorials but
apparently not the right ones.
Thanks,
-Philip
On 04/25/2014 11:49 AM, Philip Prindeville wrote:
Hi.
I have a reference .vmdk (and .xml) reference VM. I need to instantiate multiple new
VM’s from this, but changing various parameters: name, MAC address, network connections,
cores, memory size, disk size and backing store, etc. and then start these new VM’s… all
via ‘virsh’ et al from a script.
You may want to look at virt-sysprep, part of the libguestfs suite of
tools, which can automate a number of these tasks when creating
derivative cloned VMs. From the tools perspective, most of your work
will be done outside of virsh, in prepping the new disk images and
creating new derivative xml, then finally calling into virsh to start
the new xml.
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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Philip Prindeville