Convert .xva to .qcow2 (or raw)

Figured out while running below work.

Got the hint from: http://jolokianetworks.com/70Knowledge/Virtualization/Converting_from_Citrix_XenServer_to_Xen_open_source/Xenmigrate.py
And got modded .py from: http://pastebin.com/MK5Da8CB

1. run tar -xvf {image}.xva

2. python xenmigrate.py  –convert=./Ref\:directory_here/ test.img

enmigrate 0.7.4 — 2011.09.13
(c)2011 Jolokia Networks and Mark Pace — jolokianetworks.com

convert ref dir : ./Ref:3660/
to raw file : test.img
last file : 20484
disk image size : 20 GB

RW notification every: 1.0GB
Converting: 1.0GBrw 2.0GBrw 3.0GBrw 4.0GBrw 5.0GBrw 6.0GBrw 7.0GBrw 8.0GBrw 9.0GBrw 10.0GBrw 11.0GBrw 12.0GBrw 13.0GBrw 14.0GBrw 15.0GBrw 16.0GBrw 17.0GBrw 18.0GBrw 19.0GBrw 20.0GBrw
Successful convert

Then qemu-img convert -O qcow2 test.img test.qcow2