iotests: Add iotests.image_size
This retrieves the virtual size of the image out of qemu-img info. Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Jeff Cody <jcody@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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@ -28,6 +28,7 @@ sys.path.append(os.path.join(os.path.dirname(__file__), '..', '..', 'scripts', '
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import qmp
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import qtest
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import struct
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import json
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# This will not work if arguments contain spaces but is necessary if we
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@ -103,6 +104,11 @@ def create_image(name, size):
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i = i + 512
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file.close()
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def image_size(img):
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'''Return image's virtual size'''
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r = qemu_img_pipe('info', '--output=json', '-f', imgfmt, img)
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return json.loads(r)['virtual-size']
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test_dir_re = re.compile(r"%s" % test_dir)
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def filter_test_dir(msg):
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return test_dir_re.sub("TEST_DIR", msg)
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