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Luigi Toscano 023be1103f Cleanup CentOS/Fedora support 
Clean the "CentOS" branch, so that it should work for all
CentOS/RHEL variants (7.x). Make sure to install the
required repositories also in the non-Manila case.
Fedora already ships Ceph packages so does not need additional
repositories.
Do not try to install ceph-radosgw twice.
Finally, explicitly fail for other distributions (not supported
de-facto even in the current code).
Change-Id: I83b1fffad405bc122bc55ef1173f5239f41d2b36
2018年05月30日 16:16:45 +02:00
2018年05月30日 16:16:45 +02:00
2015年11月27日 19:43:03 +00:00
2015年11月25日 14:11:30 +00:00
2015年11月27日 19:43:03 +00:00
2017年08月03日 15:00:04 +08:00
2016年05月28日 05:40:23 -04:00

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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

    CephFS Native driver that supports native Ceph protocol is used by default. To use CephFS NFS-Ganesha driver that supports NFS protocol add the setting:

    MANILA_CEPH_DRIVER=cephfsnfs

    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
  • Manila with CephFS - for Ubuntu, support only for trusty and xenial

TODOs

  • Fix Rados Gateway with Keystone for Swift on Fedora

Bugs

Description
DevStack plugin to configure Ceph backend.
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