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[Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>]

** Changed in: oslo
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1256306

Title:
  Lockfiles for fetching images remain forever

Status in OpenStack Compute (Nova):
  Triaged
Status in Oslo - a Library of Common OpenStack Code:
  Fix Released

Bug description:
  When fetches an image from Glance, LibvirtDriver creates a lockfile
  that has a name corresponding to the image. It is not deleted
  automatically even if the image is delete from Glance. So lockfiles
  may accumulate in long term. Although this may be not so harmful, a
  little bit ugly.

  The following is a list of files under /var/lib/nova in my compute
  node. Many old lockfiles are left in /var/lib/nova/instances/locks.

  $ ls -lR /var/lib/nova/instances/
  /var/lib/nova/instances/:
  total 16
  drwxr-xr-x 2 nova nova 4096 Nov  2 18:38 _base
  -rw-r--r-- 1 nova nova   37 Nov 29 21:03 compute_nodes
  drwxr-xr-x 2 nova nova 4096 Nov  1 17:59 locks
  drwxr-xr-x 2 nova nova 4096 Sep 11 17:41 snapshots

  /var/lib/nova/instances/_base:
  total 24840
  -rw-r--r-- 1 nova nova 20068399 Oct  4 20:30 03d8e206-6500-4d91-b47d-ee74897f9b4e
  -rw-r--r-- 1 nova nova  5362320 Oct  4 20:30 cc60167d-4d4a-45af-afbb-8757aa6b7946

  /var/lib/nova/instances/locks:
  total 0
  -rw-r--r-- 1 nova nova 0 Oct  4 20:40 nova-03d8e206-6500-4d91-b47d-ee74897f9b4e
  -rw-r--r-- 1 nova nova 0 Oct 28 20:22 nova-46da6595b4561f079dc41f96efa7ab6881c5c1e9
  -rw-r--r-- 1 nova nova 0 Oct  4 20:30 nova-5ca6db469255e9ab1ffa96cce880b1fc96fe0a4d
  -rw-r--r-- 1 nova nova 0 Sep 11 17:26 nova-9e881789030568a317fad9daae82c5b1c65e0d4a
  -rw-r--r-- 1 nova nova 0 Sep 16 18:57 nova-ab3ee132785116ec5192292c364e56a750f37f5b
  -rw-r--r-- 1 nova nova 0 Sep 27 14:31 nova-abccd35ab48d01849de73d759104bb09c210bef7
  -rw-r--r-- 1 nova nova 0 Nov  1 17:59 nova-b779965eca6fd7bfb1c4e34f8c3e9eb10aa97d6a
  -rw-r--r-- 1 nova nova 0 Oct  4 20:40 nova-cc60167d-4d4a-45af-afbb-8757aa6b7946
  -rw-r--r-- 1 nova nova 0 Oct  7 10:49 nova-f70c681bc242f3a6f6a64a5c28ce05e3be846b6a
  -rw-r--r-- 1 nova nova 0 Oct  4 20:33 nova-fa750326e354854db61fe2d30d0d7e1049f4ea1b
  -rw-r--r-- 1 nova nova 0 Nov 29 21:03 nova-storage-registry-lock
  -rw-r--r-- 1 nova nova 0 Oct  4 20:40 nova-_var_lib_nova_instances__base_03d8e206-6500-4d91-b47d-ee74897f9b4e
  -rw-r--r-- 1 nova nova 0 Oct 28 20:22 nova-_var_lib_nova_instances__base_46da6595b4561f079dc41f96efa7ab6881c5c1e9
  -rw-r--r-- 1 nova nova 0 Oct  4 20:40 nova-_var_lib_nova_instances__base_5ca6db469255e9ab1ffa96cce880b1fc96fe0a4d
  -rw-r--r-- 1 nova nova 0 Sep 11 17:26 nova-_var_lib_nova_instances__base_9e881789030568a317fad9daae82c5b1c65e0d4a
  -rw-r--r-- 1 nova nova 0 Sep 16 18:57 nova-_var_lib_nova_instances__base_ab3ee132785116ec5192292c364e56a750f37f5b
  -rw-r--r-- 1 nova nova 0 Sep 27 14:31 nova-_var_lib_nova_instances__base_abccd35ab48d01849de73d759104bb09c210bef7
  -rw-r--r-- 1 nova nova 0 Nov  1 17:59 nova-_var_lib_nova_instances__base_b779965eca6fd7bfb1c4e34f8c3e9eb10aa97d6a
  -rw-r--r-- 1 nova nova 0 Oct  4 20:40 nova-_var_lib_nova_instances__base_cc60167d-4d4a-45af-afbb-8757aa6b7946
  -rw-r--r-- 1 nova nova 0 Oct 24 16:39 nova-_var_lib_nova_instances__base_f70c681bc242f3a6f6a64a5c28ce05e3be846b6a
  -rw-r--r-- 1 nova nova 0 Oct  4 20:33 nova-_var_lib_nova_instances__base_fa750326e354854db61fe2d30d0d7e1049f4ea1b

  /var/lib/nova/instances/snapshots:
  total 0

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