cinder/clean-file-locks-on-remove-e5898012f4114d3c.yaml at 1101402b8fda7423b41b2f2e078f8f5a1d2bb4bd - cinder - OpenDev: Free Software Needs Free Tools

openstack/cinder

Gorka Eguileor d2f6ec5569 Remove file locks once we delete a resource

File locks are never removed from the system, so they keep increasing in
the locks directory, which can become problematic.

In this patch we start trying to delete these lock files when we delete
a volume or a snapshot.

This affects the 2 type of file locks we currently have:
- Using oslo lockutils synchronized with external=True
- Using coordination.synchronized when deployed in Active-Passive and no
  DLM

This will alleviate the ever increasing files in the locks directory.
Deployment tools should implement a service that runs when the host is
booting and cleans of the locks directory before the OpenStack services
are started.

Partial-Bug: #1432387
Change-Id: Ic73ee64257aeb024383c6cb79f2e8c04810aaf69

2021-08-04 10:41:33 -04:00

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 fixes:
   - |
     `Bug #1432387 <https://bugs.launchpad.net/cinder/+bug/1432387>`_: Try
     to automatically clean up file locks after a resource (volume, snapshot) is
     deleted. This will alleviate the issue of the locks directory always
     increasing the number of files.