#
# 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_driver*]
#   (optional) Which cinder backup driver to use
#   Defaults to 'cinder.backup.drivers.ceph'
#
# [*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.drivers.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'
) {

  include ::cinder::deps

  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;
  }

}