1b3afd66c4
It is possible to setup one way or two way replication between pools. rbd-mirror daemon is responsible for pulling image updates from the remote peer cluster and applying them to the image within the local cluster. This patch allows to enable this daemon as part of the deployment, but the actual configuration between sites remains out of scope for the deployment script. This work aims to support [1]. [1] https://review.opendev.org/c/openstack/cinder-tempest-plugin/+/948293 Change-Id: Id1a66c244b9be33b6df63e6504500c77d59a1b9d Signed-off-by: Francesco Pantano <fpantano@redhat.com>
Devstack Ceph Plugin
Overview
Devstack plugin to configure Ceph as the storage backend for openstack services
As part of stack.sh:
- Creates a Ceph cluster for use with openstack services using Ceph orchestrator
- Configures Ceph as the storage backend for Cinder, Cinder Backup, Nova, Manila, and Glance services
- (Optionally) Sets up & configures Rados gateway (aka rgw or
radosgw) as a Swift endpoint with Keystone integration. Set
ENABLE_CEPH_RGW=Truein yourlocalrc - 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
Usage
To get started quickly, just enable the plugin in your
local.conf:enable_plugin devstack-plugin-ceph https://opendev.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, Manila 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 ENABLE_CEPH_MANILA=True # allow manila to use CephFS as backend (Native CephFS or CephFS via NFS)
Change any of the above lines to False to disable that
feature specifically.
Manila's CephFS Native driver that supports native Ceph protocol is enabled by default. To use CephFS NFS-Ganesha driver that supports NFS protocol add the setting:
MANILA_CEPH_DRIVER=cephfsnfsIf you'd like to use a standalone NFS Ganesha service in place of
ceph orchestrator deployed ceph-nfs service, set:
CEPHADM_DEPLOY_NFS=FalseMake sure that the manila plugin is enabled before
devstack-plugin-ceph in the local.conf file.
- Then run
stack.shand 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