499d5aa36d
This reverts commit 5021ef82fd8f0323b82d6d010bff9dab8a0cbcec. That commit set default location for lock files to a world-writable directory (like /tmp) which violates security precaution stated right in the help string of lock_path config variable: lock_path should be writable by the user of the process using it only. There is some history behind this: - when we decided to not do tempfile.mkdtemp if lock_path were not set (because it was broken), it broke upgrades for all components (starting with Cinder; - it was suggested to provide the same default value: https://review.openstack.org/60274 but it was not accepted because it weakens security; - there was a thread about this in ML, please read it for more history: http://lists.openstack.org/pipermail/openstack-dev/2013-December/021055.html it ended up with understanding that only a project using the library can provide sane default value for lock_path, not the library itself. Change-Id: I801004ad3c83862849696f00c6e7ca9877fd496b
oslo.concurrency
The oslo.concurrency library has utilities for safely running multi-thread, multi-process applications using locking mechanisms and for running external processes.
- Free software: Apache license
- Documentation: http://docs.openstack.org/developer/oslo.concurrency
- Source: http://git.openstack.org/cgit/openstack/oslo.concurrency
- Bugs: http://bugs.launchpad.net/oslo.concurrency