On 05/18/2015 01:02 PM, Jim Fehlig wrote: > On 05/18/2015 11:35 AM, Emma Anderson wrote: >> hi, >> >> I use xl toolstack to manage vms on a Xen machine, and also pass some >> custom parameters when creating a vm, for example: >> >> xl create vm.cfg ' param="xyz" ' > > Documentation on create subcommand in the xl man page describes the > 'key=value' options as > > key=value > It is possible to pass key=value pairs on the command line to provide > options as if > they were written in the configuration file; these override whatever is > in the > configfile. > >> >> I am moving to libvirt for vm management. How I can pass those extra >> parameters using libvirt? > > I'm not aware of similar functionality in libvirt. You would need to > customize the domXML before feeding it to 'virsh create'. Qemu domains have that ability, via an XML namespace that adds <qemu:commandline>: http://libvirt.org/drvqemu.html#qemucommand but no one has yet implemented that for Xen domains. If you want to add it, the src/qemu code would be the obvious starting point to copy from. -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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