This patch allows specifying the interface to be used for the drive, and makes specifying a path optional (if the path is None, the "file" option will be omitted, thus creating an empty drive).
Signed-off-by: Max Reitz <mre...@redhat.com> Reviewed-by: Eric Blake <ebl...@redhat.com> --- tests/qemu-iotests/iotests.py | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py index 04a294d..d991d2f 100644 --- a/tests/qemu-iotests/iotests.py +++ b/tests/qemu-iotests/iotests.py @@ -117,13 +117,16 @@ class VM(object): self._args.append('-monitor') self._args.append(args) - def add_drive(self, path, opts=''): + def add_drive(self, path, opts='', interface='virtio'): '''Add a virtio-blk drive to the VM''' - options = ['if=virtio', + options = ['if=%s' % interface, 'format=%s' % imgfmt, 'cache=%s' % cachemode, - 'file=%s' % path, 'id=drive%d' % self._num_drives] + + if path is not None: + options.append('file=%s' % path) + if opts: options.append(opts) -- 2.4.1