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[Jian Wen <wenjianhn@xxxxxxxxx>]

Public bug reported:

        df = processutils.execute("df", "-k",
                                  mount_point)[0].strip("'\n'")
        total_available_space = int(df.split('\n')[1].split()[3]) * units.Ki

The above code raises "IndexError: list index out of range" if the name of the 
Filesystem is too long.
e.g 

[root@a-b-c-d ~]# df -k /root/.emacs.d/
Filesystem           1K-blocks    Used Available Use% Mounted on
/dev/mapper/vg_foo-by_root
                      51606140 6169468  42815232  13% /

The available size is in the third line instead of the second line.

** Affects: glance
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1386060

Title:
  [glance_store] should use os.statvfs to get available disk space in
  filesystem driver

Status in OpenStack Image Registry and Delivery Service (Glance):
  New

Bug description:
          df = processutils.execute("df", "-k",
                                    mount_point)[0].strip("'\n'")
          total_available_space = int(df.split('\n')[1].split()[3]) * units.Ki

  The above code raises "IndexError: list index out of range" if the name of the 
  Filesystem is too long.
  e.g 

  [root@a-b-c-d ~]# df -k /root/.emacs.d/
  Filesystem           1K-blocks    Used Available Use% Mounted on
  /dev/mapper/vg_foo-by_root
                        51606140 6169468  42815232  13% /

  The available size is in the third line instead of the second line.

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