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

  • Committer: Corey Bryant
  • Date: 2016-01-04 21:26:40 UTC
  • Revision ID: corey.bryant@canonical.com-20160104212640-kwr7aqa9obca177t
[corey.bryant,r=trivial] Sync charm-helpers.

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hooks/charmhelpers/contrib/storage/linux/loopback.py
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        check_call(cmd)
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    return create_loopback(path)
 
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def is_mapped_loopback_device(device):
 
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    """
 
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    Checks if a given device name is an existing/mapped loopback device.
 
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    :param device: str: Full path to the device (eg, /dev/loop1).
 
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    :returns: str: Path to the backing file if is a loopback device
 
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    empty string otherwise
 
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    """
 
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    return loopback_devices().get(device, "")