Retry on closing of luks encrypted volume in case device is busy
We're seeing races in the gate on detach of an encrypted volume where the device is busy so the detach fails, which causes the delete of the volume on the cinder side to fail because the volume is still in use and then Tempest times out waiting for the volume to be deleted. This simply adds a retry to close the encryption device. I use attempts=3 since that's what we use for lvremove. Closes-Bug: #1374458 Change-Id: Ia0667da7dee247ba8c3338b296244b2a71d1045d
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@ -102,4 +102,5 @@ class LuksEncryptor(cryptsetup.CryptsetupEncryptor):
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"""Closes the device (effectively removes the dm-crypt mapping)."""
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LOG.debug("closing encrypted volume %s", self.dev_path)
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utils.execute('cryptsetup', 'luksClose', self.dev_name,
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run_as_root=True, check_exit_code=True)
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run_as_root=True, check_exit_code=True,
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attempts=3)
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