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[Scott Moser <smoser@xxxxxxxxxx>]

** Changed in: cloud-init
       Status: New => Confirmed

** Changed in: cloud-init
   Importance: Undecided => Medium

** Also affects: cloud-init (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: cloud-init (Ubuntu)
       Status: New => Confirmed

** Changed in: cloud-init (Ubuntu)
   Importance: Undecided => Medium

** Also affects: cloud-init (Ubuntu Trusty)
   Importance: Undecided
       Status: New

** Also affects: cloud-init (Ubuntu Precise)
   Importance: Undecided
       Status: New

** Also affects: cloud-init (Ubuntu Utopic)
   Importance: Medium
       Status: Confirmed

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https://bugs.launchpad.net/bugs/1311463

Title:
  disk-setup unable to partition disks

Status in Init scripts for use on cloud images:
  Confirmed
Status in “cloud-init” package in Ubuntu:
  Confirmed
Status in “cloud-init” source package in Precise:
  New
Status in “cloud-init” source package in Trusty:
  New
Status in “cloud-init” source package in Utopic:
  Confirmed

Bug description:
  The problem is with is_disk_used in cc_disk_setup.py

  use_count is an array, which doesn't have a splitlines attribute.
  This is broken on ubuntu precise 12.04 with the latest updates.

  def is_disk_used(device):
      """
      Check if the device is currently used. Returns true if the device
      has either a file system or a partition entry
      is no filesystem found on the disk.
      """

      # If the child count is higher 1, then there are child nodes
      # such as partition or device mapper nodes
      use_count = [x for x in enumerate_disk(device)]
      if len(use_count.splitlines()) > 1:
          return True

      # If we see a file system, then its used
      _, check_fstype, _ = check_fs(device)
      if check_fstype:
          return True

      return False

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