#
# Copyright (C) 2014 eNovance SAS <licensing@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.
#
# Configure GlusterFS backend for Cinder
#
# === Parameters
#
# [*glusterfs_shares*]
#   (required) An array of GlusterFS volume locations.
#   Must be an array even if there is only one volume.
#
# [*volume_backend_name*]
#   (optional) Allows for the volume_backend_name to be separate of $name.
#   Defaults to: $name
#
# [*glusterfs_sparsed_volumes*]
#   (optional) Whether or not to use sparse (thin) volumes.
#   Defaults to undef which uses the driver's default of "true".
#
# [*glusterfs_mount_point_base*]
#   (optional) Where to mount the Gluster volumes.
#   Defaults to undef which uses the driver's default of "$state_path/mnt".
#
# [*glusterfs_shares_config*]
#   (optional) The config file to store the given $glusterfs_shares.
#   Defaults to '/etc/cinder/shares.conf'
#
define cloud::volume::backend::glusterfs (
  $glusterfs_shares,
  $volume_backend_name        = $name,
  $glusterfs_sparsed_volumes  = undef,
  $glusterfs_mount_point_base = undef,
  $glusterfs_shares_config    = '/etc/cinder/shares.conf'
) {

  cinder::backend::glusterfs { $name:
    glusterfs_shares           => $glusterfs_shares,
    glusterfs_sparsed_volumes  => $glusterfs_sparsed_volumes,
    glusterfs_mount_point_base => $glusterfs_mount_point_base,
    glusterfs_shares_config    => $glusterfs_shares_config,
  }

  @cinder::type { $volume_backend_name:
    set_key   => 'volume_backend_name',
    set_value => $volume_backend_name,
    notify    => Service['cinder-volume']
  }
}