Ensure that newly initialized disks are zero'd
When creating a new encrypted disk, ensure that we zero the first region to ensure that pvcreate won't stumble on random artifacts Closes-Bug: #1783427 Change-Id: Iac45e9c00d093befb893c61a3c3aee70ac4b851a
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@ -1814,6 +1814,13 @@ def _initialize_disk(dev, dev_uuid, encrypt=False,
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'--uuid', dev_uuid,
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dev,
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])
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subprocess.check_call([
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'dd',
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'if=/dev/zero',
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'of={}'.format(dm_crypt),
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'bs=512',
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'count=1',
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])
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if use_vaultlocker:
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return dm_crypt
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@ -851,11 +851,14 @@ class CephInitializeDiskTestCase(unittest.TestCase):
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True,
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'vault'),
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'/dev/mapper/crypt-test-UUID')
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_check_call.assert_called_once_with(
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['vaultlocker', 'encrypt',
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'--uuid', 'test-UUID',
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'/dev/sdb']
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)
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_check_call.assert_has_calls([
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call(['vaultlocker', 'encrypt',
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'--uuid', 'test-UUID',
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'/dev/sdb']),
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call(['dd', 'if=/dev/zero',
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'of=/dev/mapper/crypt-test-UUID',
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'bs=512', 'count=1']),
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])
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@patch.object(utils, '_luks_uuid')
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@patch.object(utils.subprocess, 'check_call')
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