Add support for distributed locks based on tooz abstraction layer

Registered by Tom Barron

This blueprint has been superseded. See the newer blueprint "Introduce the 'tooz' library in Manila as a distributed locking feature" for updated plans.

Add support for distributed locks based on tooz abstraction layer [1] that allows for deployment of a DLM such as zookeeper[2]. Configuration options enable selection of the coordination service. Local file locks are the default so that simpler deployments are not forced to run a DLM. This default also enables incremental change of the codebase by substitution of tooz synchronization decorators for manila.utils or oslo_concurrency.lockutils synchronization decorators.

Blueprint information

Status:
Complete
Approver:
Ben Swartzlander
Priority:
Undefined
Drafter:
Tom Barron
Direction:
Needs approval
Assignee:
Tom Barron
Definition:
Superseded
Series goal:
None
Implementation:
Unknown
Milestone target:
None
Completed by
Tom Barron

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