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  • Committer: James Page
  • Date: 2014-04-16 08:34:53 UTC
  • mfrom: (24.1.17 swift-storage)
  • Revision ID: james.page@canonical.com-20140416083453-3n4gz51lk3p8tojd
[james-page,r=james-page,t=*]

Support for Icehouse on 12.04 and 14.04

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hooks/charmhelpers/contrib/storage/linux/utils.py
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from stat import S_ISBLK
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from subprocess import (
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    check_call
 
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    check_call,
 
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    check_output,
 
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    call
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)
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    :param block_device: str: Full path of block device to clean.
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    '''
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    check_call(['sgdisk', '--zap-all', block_device])
 
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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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    dev_end = check_output(['blockdev', '--getsz', block_device])
 
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    gpt_end = int(dev_end.split()[0]) - 100
 
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    check_call(['dd', 'if=/dev/zero', 'of=%s'%(block_device),
 
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                'bs=1M', 'count=1'])
 
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    check_call(['dd', 'if=/dev/zero', 'of=%s'%(block_device),
 
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                'bs=512', 'count=100', 'seek=%s'%(gpt_end)])