DevStack plugin to configure Ceph backend.

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Ramana Raja 530f20c38d Add Manila support for Ubuntu Let the plugin setup and configure CephFS as the storage backend for Manila. This is not done by default. Refer the README to do so. Add 'pre_test_hook' and 'post_test_hook' scripts that would be needed to configure Manila-Ceph CI jobs. The following changes are also made: * Install a development version of Ceph that is compatible with Manila's CephFSNative driver. * The development version is a version greater than Infernalis. And from Infernalis onwards, the ceph daemons are run as user "ceph". So allow the daemons to run as user "ceph" for such versions. * Enhance get_ceph_version to check Ceph version even when the ceph mon daemon is not up, by checking the CLI version. Co-Authored-By: John Spray <john.spray@redhat.com> Change-Id: I74314bfcc6b52d524bb84f2232a988f275b9afbf		2016-01-06 15:16:57 +05:30
devstack	Add Manila support for Ubuntu	2016-01-06 15:16:57 +05:30
manila	Add Manila support for Ubuntu	2016-01-06 15:16:57 +05:30
.gitignore	Initial commit	2015-11-27 19:43:03 +00:00
.gitreview	Added .gitreview	2015-11-25 14:11:30 +00:00
LICENSE	Initial commit	2015-11-27 19:43:03 +00:00
LICENSE.md	Initial commit	2015-11-27 19:43:03 +00:00
README.md	Add Manila support for Ubuntu	2016-01-06 15:16:57 +05:30
tox.ini	Initial commit	2015-11-27 19:43:03 +00:00

Devstack Ceph Plugin

Overview

Devstack plugin to configure Ceph as the storage backend for openstack services

As part of stack.sh:

Installs Ceph (client and server) packages
Creates a Ceph cluster for use with openstack services
Configures Ceph as the storage backend for Cinder, Cinder Backup, Nova, Manila (not by default), and Glance services
Supports Ceph cluster running local or remote to openstack services

As part of unstack.sh | clean.sh:

This plugin also gets used to configure Ceph as the storage backend for the upstream Ceph CI job named gate-tempest-dsvm-full-devstack-plugin-ceph

Enable the plugin in localrc:

enable_plugin devstack-plugin-ceph git://git.openstack.org/openstack/devstack-plugin-ceph
Ceph is setup as the default storage backend for Cinder, Cinder Backup, Glance and Nova services. To disable Ceph disable as the storage backend for a service use the following setting in the localrc file,
```
ENABLE_CEPH_$SERVICE=False
```
where $SERVICE can be CINDER, C_BAK, GLANCE or NOVA corresponding to Cinder, Cinder Backup, Glance, and Nova services respectively.
Ceph can be enabled as the storage backend for Manila with the following setting in the localrc file,
```
ENABLE_CEPH_MANILA=True
```
Make sure that the manila plugin is enabled before devstack-plugin-ceph in the localrc file.
Then run stack.sh and wait for the magic to happen :)