Add Ceph as backup backend support

Cinder backup could use Ceph as backend.
This patch aims to create cinder::backup::ceph class to use this driver.

Change-Id: Ib82b94f3e2d5d9e2287a570a435d469656c9a756
Signed-off-by: Emilien Macchi <emilien.macchi@enovance.com>
This commit is contained in:
Emilien Macchi 2013-11-28 13:59:07 +01:00
parent 5e7677c2e6
commit c00c752994
2 changed files with 165 additions and 0 deletions

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manifests/backup/ceph.pp Normal file
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#
# Copyright (C) 2013 eNovance SAS <licensing@enovance.com>
#
# Author: Emilien Macchi <emilien.macchi@enovance.com>
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
#
# == Class: cinder::backup::ceph
#
# Setup Cinder to backup volumes into Ceph
#
# === Parameters
#
# [*backup_ceph_conf*]
# (optional) Ceph config file to use.
# Should be a valid ceph configuration file
# Defaults to '/etc/ceph/ceph.conf'
#
# [*backup_ceph_user*]
# (optional) The Ceph user to connect with.
# Should be a valid user
# Defaults to 'cinder'
#
# [*backup_ceph_chunk_size*]
# (optional) The chunk size in bytes that a backup will be broken into
# before transfer to backup store.
# Should be a valid integer
# Defaults to '134217728'
#
# [*backup_ceph_pool*]
# (optional) The Ceph pool to backup to.
# Should be a valid ceph pool
# Defaults to 'backups'
#
# [*backup_ceph_stripe_unit*]
# (optional) RBD stripe unit to use when creating a backup image.
# Should be a valid integer
# Defaults to '0'
#
# [*backup_ceph_stripe_count*]
# (optional) RBD stripe count to use when creating a backup image.
# Should be a valid integer
# Defaults to '0'
#
class cinder::backup::ceph (
$backup_driver = 'cinder.backup.driver.ceph',
$backup_ceph_conf = '/etc/ceph/ceph.conf',
$backup_ceph_user = 'cinder',
$backup_ceph_chunk_size = '134217728',
$backup_ceph_pool = 'backups',
$backup_ceph_stripe_unit = '0',
$backup_ceph_stripe_count = '0'
) {
cinder_config {
'DEFAULT/backup_driver': value => $backup_driver;
'DEFAULT/backup_ceph_conf': value => $backup_ceph_conf;
'DEFAULT/backup_ceph_user': value => $backup_ceph_user;
'DEFAULT/backup_ceph_chunk_size': value => $backup_ceph_chunk_size;
'DEFAULT/backup_ceph_pool': value => $backup_ceph_pool;
'DEFAULT/backup_ceph_stripe_unit': value => $backup_ceph_stripe_unit;
'DEFAULT/backup_ceph_stripe_count': value => $backup_ceph_stripe_count;
}
}

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#
# Copyright (C) 2013 eNovance SAS <licensing@enovance.com>
#
# Author: Emilien Macchi <emilien.macchi@enovance.com>
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
#
# Unit tests for cinder::ceph class
#
require 'spec_helper'
describe 'cinder::backup::ceph' do
let :default_params do
{ :backup_ceph_conf => '/etc/ceph/ceph.conf',
:backup_ceph_user => 'cinder',
:backup_ceph_chunk_size => '134217728',
:backup_ceph_pool => 'backups',
:backup_ceph_stripe_unit => '0',
:backup_ceph_stripe_count => '0' }
end
let :params do
{}
end
shared_examples_for 'cinder backup with ceph' do
let :p do
default_params.merge(params)
end
it 'configures cinder.conf' do
should contain_cinder_config('DEFAULT/backup_driver').with_value('cinder.backup.driver.ceph')
should contain_cinder_config('DEFAULT/backup_ceph_conf').with_value(p[:backup_ceph_conf])
should contain_cinder_config('DEFAULT/backup_ceph_user').with_value(p[:backup_ceph_user])
should contain_cinder_config('DEFAULT/backup_ceph_chunk_size').with_value(p[:backup_ceph_chunk_size])
should contain_cinder_config('DEFAULT/backup_ceph_pool').with_value(p[:backup_ceph_pool])
should contain_cinder_config('DEFAULT/backup_ceph_stripe_unit').with_value(p[:backup_ceph_stripe_unit])
should contain_cinder_config('DEFAULT/backup_ceph_stripe_count').with_value(p[:backup_ceph_stripe_count])
end
context 'when overriding default parameters' do
before :each do
params.merge!(:backup_ceph_conf => '/tmp/ceph.conf')
params.merge!(:backup_ceph_user => 'toto')
params.merge!(:backup_ceph_chunk_size => '123')
params.merge!(:backup_ceph_pool => 'foo')
params.merge!(:backup_ceph_stripe_unit => '56')
params.merge!(:backup_ceph_stripe_count => '67')
end
it 'should replace default parameters with new values' do
should contain_cinder_config('DEFAULT/backup_ceph_conf').with_value(p[:backup_ceph_conf])
should contain_cinder_config('DEFAULT/backup_ceph_user').with_value(p[:backup_ceph_user])
should contain_cinder_config('DEFAULT/backup_ceph_chunk_size').with_value(p[:backup_ceph_chunk_size])
should contain_cinder_config('DEFAULT/backup_ceph_pool').with_value(p[:backup_ceph_pool])
should contain_cinder_config('DEFAULT/backup_ceph_stripe_unit').with_value(p[:backup_ceph_stripe_unit])
should contain_cinder_config('DEFAULT/backup_ceph_stripe_count').with_value(p[:backup_ceph_stripe_count])
end
end
end
context 'on Debian platforms' do
let :facts do
{ :osfamily => 'Debian' }
end
it_configures 'cinder backup with ceph'
end
context 'on RedHat platforms' do
let :facts do
{ :osfamily => 'RedHat' }
end
it_configures 'cinder backup with ceph'
end
end