[Bug 1550188] Re: oslo_concurrency.lock_path: sensible default value is missing

[Corey Bryant]

I've just uploaded python-oslo.concurrency 3.0.0-1ubuntu1 which cherry
picks the patch from upstream that uses tempfile.tempdir for lock_path
if OSLO_LOCK_PATH is not set.

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https://bugs.launchpad.net/bugs/1550188

Title:
  oslo_concurrency.lock_path: sensible default value is missing

Status in neutron package in Ubuntu:
  Won't Fix
Status in openstack-pkg-tools package in Ubuntu:
  Won't Fix
Status in python-oslo.concurrency package in Ubuntu:
  Triaged

Bug description:
  Prior to upstream switching to generation of configuration files,
  oslo_concurrency.lock_path was set explicitly in neutron.conf to
  $state_path/lock, providing a sane default for end users.

  With generation, this is not set explicitly in the configuration file
  and as a result is not set by default (it uses OSLO_LOCK_PATH by
  default which is unset in any package init/upstart/systemd configs).

  This causes problems when agents try to create locks to perform
  actions, and caused quite alot of problems in mitaka b2 for the
  openstack puppet modules team (as they mutate installed configuration
  files, rather than managing a complete file).

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