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@@ -455,7 +455,8 @@
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def mkqcow2(self, clone_name, source_disk, disk_num):
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new_name = clone_name + '-disk-' + str(disk_num) + self.QCOW2_EXT
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new_path = os.path.join(self.options.imagedir, new_name)
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- cmd = ['/usr/bin/qemu-img', 'create', '-f', 'qcow2', '-o', 'backing_file=%s' % source_disk,
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+ cmd = ['/usr/bin/qemu-img', 'create', '-f', 'qcow2', '-o',
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+ 'backing_file=%s' % source_disk, '-F', 'qcow2',
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new_path]
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proc = subprocess.Popen(cmd,
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stdout=subprocess.PIPE, stderr=subprocess.STDOUT, close_fds=True)
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ktdreyer
commented 2 years ago
In RHEL 9 (
qemu-img-6.2.0-11.el9_0.3), theqemu-img createcommand requires the-Fflag that specifies the second image's format.Checking back to RHEL 7,
qemu-img-1.5.3-175.el7_9.6recognizes this-Fflag also, so it should be safe to use on all supported platforms.