DEPRECATED, Direct usage of Cinder Block Storage drivers without the services
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Gorka Eguileor 1bdc8fa5c1 Fix cinderlib Python package
Setuptools gives 2 errors with the current cinderlib Python package:

- Project's description-file has an unsupported directive.
- test-requirements has a github reference.

We fix the first issue by removing the git repository from the test
requirements and adding it to the Tox file while adding cinder to the
required-projects to allow cross-repo denedencies.

We also add os-brick since we are currently also very dependent on it on
the nos_brick.py code.

For the second issue we create a new DESCRIPTION.rst file that doesn't
include the "raw" directive unsupported by PyPi.

This patch will allow us to add the publish-to-pypi job to the
project-config repository.

Required-By: I9d8d9f7d802a27c3bfe3dbc0ee84cc24eee24ebc
Change-Id: Id029cedef513753700a10bcae761fdc1807964e1
2019-03-15 13:19:12 +01:00
cinderlib Merge "Convert the driver_options to a dictionary" 2019-03-08 16:39:21 +00:00
doc Add zuul jobs 2019-02-26 16:21:34 +01:00
playbooks Add zuul jobs 2019-02-26 16:21:34 +01:00
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README.rst

Cinder Library

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Introduction

The Cinder Library, also known as cinderlib, is a Python library that leverages the Cinder project to provide an object oriented abstraction around Cinder's storage drivers to allow their usage directly without running any of the Cinder services or surrounding services, such as KeyStone, MySQL or RabbitMQ.

The library is intended for developers who only need the basic CRUD functionality of the drivers and don't care for all the additional features Cinder provides such as quotas, replication, multi-tenancy, migrations, retyping, scheduling, backups, authorization, authentication, REST API, etc.

The library was originally created as an external project, so it didn't have the broad range of backend testing Cinder does, and only a limited number of drivers were validated at the time. Drivers should work out of the box, and we'll keep a list of drivers that have added the cinderlib functional tests to the driver gates confirming they work and ensuring they will keep working.

Features

  • Use a Cinder driver without running a DBMS, Message broker, or Cinder service.
  • Using multiple simultaneous drivers on the same application.
  • Basic operations support:
    • Create volume
    • Delete volume
    • Extend volume
    • Clone volume
    • Create snapshot
    • Delete snapshot
    • Create volume from snapshot
    • Connect volume
    • Disconnect volume
    • Local attach
    • Local detach
    • Validate connector
    • Extra Specs for specific backend functionality.
    • Backend QoS
    • Multi-pool support
  • Metadata persistence plugins:
    • Stateless: Caller stores JSON serialization.
    • Database: Metadata is stored in a database: MySQL, PostgreSQL, SQLite...
    • Custom plugin: Caller provides module to store Metadata and cinderlib calls it when necessary.

Demo