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Viewing changes to hooks/charmhelpers/contrib/storage/linux/utils.py

  • Committer: bbaqar at plumgrid
  • Date: 2016-04-25 09:21:09 UTC
  • mfrom: (26.1.2 plumgrid-gateway)
  • Revision ID: bbaqar@plumgrid.com-20160425092109-kweey25bx97pmj80
Merge: Liberty/Mitaka support

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hooks/charmhelpers/contrib/storage/linux/utils.py
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    :param block_device: str: Full path of block device to clean.
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    '''
 
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    # https://github.com/ceph/ceph/commit/fdd7f8d83afa25c4e09aaedd90ab93f3b64a677b
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    # sometimes sgdisk exits non-zero; this is OK, dd will clean up
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    call(['sgdisk', '--zap-all', '--mbrtogpt',
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          '--clear', block_device])
 
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    call(['sgdisk', '--zap-all', '--', block_device])
 
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    call(['sgdisk', '--clear', '--mbrtogpt', '--', block_device])
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    dev_end = check_output(['blockdev', '--getsz',
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                            block_device]).decode('UTF-8')
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    gpt_end = int(dev_end.split()[0]) - 100
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    :returns: boolean: True if the path represents a mounted device, False if
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        it doesn't.
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    '''
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    is_partition = bool(re.search(r".*[0-9]+\b", device))
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    out = check_output(['mount']).decode('UTF-8')
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    if is_partition:
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        return bool(re.search(device + r"\b", out))
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    return bool(re.search(device + r"[0-9]*\b", out))
 
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    try:
 
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        out = check_output(['lsblk', '-P', device]).decode('UTF-8')
 
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    except:
 
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        return False
 
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    return bool(re.search(r'MOUNTPOINT=".+"', out))