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Tom Barron 85f49431a9 Fix restack problem with libvirt secret
Restacking with ceph plugin fails when trying to install
the cinder user's ceph authorization key in libvirt's list
of secrets because there is already a secret in that list
with the same uuid.  The function _undefine_virsh_secret
is run on cleanup and should have removed that key from
the libvirt secret list.

Fix a typo in the variable name for the uuid that identifies
the authorization key in the secret list so that the
cleanup routine removes the key as intended.

Closes-Bug: #1570665

Change-Id: I19d2c20979dca49d73c427c5b1413229ff39f394
2016-05-28 05:23:10 -04:00
2015-11-27 19:43:03 +00:00
2015-11-25 14:11:30 +00:00
2015-11-27 19:43:03 +00:00
2016-04-05 11:48:57 -04:00
2015-12-23 08:11:48 +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
  • (Optionally) Sets up & configures Rados gateway (aka rgw or radosgw) as a Swift endpoint with Keystone integration
    • Set ENABLE_CEPH_RGW=True in your localrc
  • Supports Ceph cluster running local or remote to openstack services

As part of unstack.sh | clean.sh:

  • Tears down the Ceph cluster and its related services

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

Usage

  • To get started quickly, just enable the plugin in your local.conf:

    enable_plugin devstack-plugin-ceph git://git.openstack.org/openstack/devstack-plugin-ceph

    Run stack.sh in your devstack tree and boom! You're good to go.

  • Ceph is setup as the default storage backend for Cinder, Cinder Backup, Glance and Nova services. You have the ability to control each of the enabled services with the following configuration in your local.conf:

    ENABLE_CEPH_CINDER=True     # ceph backend for cinder
    ENABLE_CEPH_GLANCE=True     # store images in ceph
    ENABLE_CEPH_C_BAK=True      # backup volumes to ceph
    ENABLE_CEPH_NOVA=True       # allow nova to use ceph resources
    

    Change any of the above lines to False to disable that feature specifically.

  • Ceph can be enabled as the storage backend for Manila with the following setting in your local.conf:

    ENABLE_CEPH_MANILA=True
    

    Make sure that the manila plugin is enabled before devstack-plugin-ceph in the local.conf file.

  • Then run stack.sh and wait for the magic to happen :)

Known Issues / Limitations

  • Rados Gateway with Keystone for Swift - works on Ubuntu only
  • Tempest test failures when using RGW as swift endpoint
  • Tempest fails due to verify-tempest-config erroring out, when using RGW as swift endpoint

TODOs

  • Fix Rados Gateway with Keystone for Swift on Fedora
  • Add support for Ceph Infernalis release
  • Add support for distro specific ceph repos
  • Add Manila support for non-Ubuntu systems

Bugs

Description
DevStack plugin to configure Ceph backend.
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