[Bug 1559079] Re: swiftclient.service upload leaks filehandles for large files

[Tim Burke]

Fixed in https://github.com/openstack/python-swiftclient/commit/809e4cf

** Changed in: python-swiftclient
       Status: Fix Released => Fix Committed

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https://bugs.launchpad.net/bugs/1559079

Title:
  swiftclient.service upload leaks filehandles for large files

Status in python-swiftclient:
  Fix Committed
Status in python-swiftclient package in Ubuntu:
  Confirmed

Bug description:
  When uploading large files (i.e. multi-segment ones) using the
  swiftclient.service functions, if you pass a file path instead of a
  file object it seems to leave the files open after upload.

  For example:
  tmpfile = "/tmp/wibble"
  obj = SwiftUploadObject(tmpfile, object_name=tmpfile)
  swift.upload(container="mycontainer", objects=[obj])

  After this, lsof shows /tmp/wibble is still open (multiple times)

  This approach works around the problem:
  with open(tmpfile, "r") as f:
      obj = SwiftUploadObject(f, object_name=tmpfile)
      swift.upload(container=container, objects=[obj]):

  While I've seen this on the wily packaged version, it also appears to
  be a problem in the upstream (3.0) python module.

  $ lsb_release -rd
  Description:	Ubuntu 15.10
  Release:	15.10

  $ apt-cache policy python-swiftclient
  python-swiftclient:
    Installed: 1:2.6.0-1ubuntu1
    Candidate: 1:2.6.0-1ubuntu1
    Version table:
   *** 1:2.6.0-1ubuntu1 0
          500 http://gb.archive.ubuntu.com/ubuntu/ wily/main amd64 Packages
          100 /var/lib/dpkg/status

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