iotests: More options for VM.add_drive()

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 <mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Max Reitz 2015-09-02 20:52:25 +02:00 committed by Kevin Wolf
parent e814dffcc9
commit 8e4922535b
1 changed files with 6 additions and 3 deletions

View File

@ -118,13 +118,16 @@ 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)