nova/releasenotes/notes/add-hw_input_bus-image-meta...

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---
features:
- |
A new image metadata property, ``hw_input_bus``, has been added. This
allows you to specify the bus used for input devices - a pointer and
keyboard - which are attached to the instance when graphics are enabled
on compute nodes using the libvirt virt driver. Two values are currently
accepted: ``usb`` and ``virtio``. This image metadata property effectively
replaced the ``hw_pointer_model`` image metadata property, which is
nontheless retained for backwards compatibility purposes.