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

[James Page]

Public bug reported:

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).

** Affects: neutron (Ubuntu)
     Importance: High
         Status: Triaged

** Summary changed:

- oslo_concurrency.lock_path default value is missing
+ oslo_concurrency.lock_path: sensible default value is missing

** Changed in: neutron (Ubuntu)
       Status: New => Triaged

** Changed in: neutron (Ubuntu)
   Importance: Undecided => High

** Changed in: neutron (Ubuntu)
    Milestone: None => ubuntu-16.02

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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:
  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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