def clean_storage(block_device): '''Ensures a block device is clean. That is: - unmounted - any lvm volume groups are deactivated - any lvm physical device signatures removed - partition table wiped :param block_device: str: Full path to block device to clean. ''' for mp, d in mounts(): if d == block_device: juju_log('clean_storage(): Found %s mounted @ %s, unmounting.' % (d, mp)) umount(mp, persist=True) if is_lvm_physical_volume(block_device): deactivate_lvm_volume_group(block_device) remove_lvm_physical_volume(block_device) zap_disk(block_device)
def clean_storage(block_device): '''Ensures a block device is clean. That is: - unmounted - any lvm volume groups are deactivated - any lvm physical device signatures removed - partition table wiped :param block_device: str: Full path to block device to clean. ''' for mp, d in mounts(): if d == block_device: log('clean_storage(): Found %s mounted @ %s, unmounting.' % (d, mp)) umount(mp, persist=True) if is_lvm_physical_volume(block_device): deactivate_lvm_volume_group(block_device) remove_lvm_physical_volume(block_device) zap_disk(block_device)
def test_remove_lvm_physical_volume(self): '''It removes LVM physical volume signatures from block device''' with patch(STORAGE_LINUX_LVM + '.Popen') as popen: lvm.remove_lvm_physical_volume('/dev/foo') popen.assert_called_with(['pvremove', '-ff', '/dev/foo'], stdin=-1)