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>
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Emilien Macchi
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76
manifests/backup/ceph.pp
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76
manifests/backup/ceph.pp
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#
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# Copyright (C) 2013 eNovance SAS <licensing@enovance.com>
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#
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# Author: Emilien Macchi <emilien.macchi@enovance.com>
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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# == Class: cinder::backup::ceph
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#
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# Setup Cinder to backup volumes into Ceph
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#
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# === Parameters
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#
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# [*backup_ceph_conf*]
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# (optional) Ceph config file to use.
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# Should be a valid ceph configuration file
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# Defaults to '/etc/ceph/ceph.conf'
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#
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# [*backup_ceph_user*]
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# (optional) The Ceph user to connect with.
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# Should be a valid user
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# Defaults to 'cinder'
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#
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# [*backup_ceph_chunk_size*]
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# (optional) The chunk size in bytes that a backup will be broken into
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# before transfer to backup store.
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# Should be a valid integer
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# Defaults to '134217728'
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#
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# [*backup_ceph_pool*]
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# (optional) The Ceph pool to backup to.
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# Should be a valid ceph pool
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# Defaults to 'backups'
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#
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# [*backup_ceph_stripe_unit*]
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# (optional) RBD stripe unit to use when creating a backup image.
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# Should be a valid integer
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# Defaults to '0'
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#
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# [*backup_ceph_stripe_count*]
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# (optional) RBD stripe count to use when creating a backup image.
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# Should be a valid integer
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# Defaults to '0'
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#
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class cinder::backup::ceph (
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$backup_driver = 'cinder.backup.driver.ceph',
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$backup_ceph_conf = '/etc/ceph/ceph.conf',
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$backup_ceph_user = 'cinder',
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$backup_ceph_chunk_size = '134217728',
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$backup_ceph_pool = 'backups',
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$backup_ceph_stripe_unit = '0',
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$backup_ceph_stripe_count = '0'
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) {
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cinder_config {
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'DEFAULT/backup_driver': value => $backup_driver;
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'DEFAULT/backup_ceph_conf': value => $backup_ceph_conf;
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'DEFAULT/backup_ceph_user': value => $backup_ceph_user;
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'DEFAULT/backup_ceph_chunk_size': value => $backup_ceph_chunk_size;
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'DEFAULT/backup_ceph_pool': value => $backup_ceph_pool;
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'DEFAULT/backup_ceph_stripe_unit': value => $backup_ceph_stripe_unit;
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'DEFAULT/backup_ceph_stripe_count': value => $backup_ceph_stripe_count;
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}
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}
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spec/classes/cinder_backup_ceph_spec.rb
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spec/classes/cinder_backup_ceph_spec.rb
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#
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# Copyright (C) 2013 eNovance SAS <licensing@enovance.com>
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#
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# Author: Emilien Macchi <emilien.macchi@enovance.com>
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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# Unit tests for cinder::ceph class
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#
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require 'spec_helper'
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describe 'cinder::backup::ceph' do
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let :default_params do
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{ :backup_ceph_conf => '/etc/ceph/ceph.conf',
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:backup_ceph_user => 'cinder',
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:backup_ceph_chunk_size => '134217728',
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:backup_ceph_pool => 'backups',
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:backup_ceph_stripe_unit => '0',
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:backup_ceph_stripe_count => '0' }
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end
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let :params do
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{}
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end
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shared_examples_for 'cinder backup with ceph' do
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let :p do
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default_params.merge(params)
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end
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it 'configures cinder.conf' do
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should contain_cinder_config('DEFAULT/backup_driver').with_value('cinder.backup.driver.ceph')
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should contain_cinder_config('DEFAULT/backup_ceph_conf').with_value(p[:backup_ceph_conf])
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should contain_cinder_config('DEFAULT/backup_ceph_user').with_value(p[:backup_ceph_user])
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should contain_cinder_config('DEFAULT/backup_ceph_chunk_size').with_value(p[:backup_ceph_chunk_size])
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should contain_cinder_config('DEFAULT/backup_ceph_pool').with_value(p[:backup_ceph_pool])
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should contain_cinder_config('DEFAULT/backup_ceph_stripe_unit').with_value(p[:backup_ceph_stripe_unit])
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should contain_cinder_config('DEFAULT/backup_ceph_stripe_count').with_value(p[:backup_ceph_stripe_count])
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end
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context 'when overriding default parameters' do
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before :each do
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params.merge!(:backup_ceph_conf => '/tmp/ceph.conf')
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params.merge!(:backup_ceph_user => 'toto')
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params.merge!(:backup_ceph_chunk_size => '123')
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params.merge!(:backup_ceph_pool => 'foo')
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params.merge!(:backup_ceph_stripe_unit => '56')
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params.merge!(:backup_ceph_stripe_count => '67')
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end
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it 'should replace default parameters with new values' do
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should contain_cinder_config('DEFAULT/backup_ceph_conf').with_value(p[:backup_ceph_conf])
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should contain_cinder_config('DEFAULT/backup_ceph_user').with_value(p[:backup_ceph_user])
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should contain_cinder_config('DEFAULT/backup_ceph_chunk_size').with_value(p[:backup_ceph_chunk_size])
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should contain_cinder_config('DEFAULT/backup_ceph_pool').with_value(p[:backup_ceph_pool])
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should contain_cinder_config('DEFAULT/backup_ceph_stripe_unit').with_value(p[:backup_ceph_stripe_unit])
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should contain_cinder_config('DEFAULT/backup_ceph_stripe_count').with_value(p[:backup_ceph_stripe_count])
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end
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end
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end
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context 'on Debian platforms' do
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let :facts do
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{ :osfamily => 'Debian' }
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end
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it_configures 'cinder backup with ceph'
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end
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context 'on RedHat platforms' do
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let :facts do
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{ :osfamily => 'RedHat' }
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end
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it_configures 'cinder backup with ceph'
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end
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end
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