# Copyright 2016 Red Hat, Inc.
#
# 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: tripleo::profile::pacemaker::manila
#
# Manila Pacemaker HA profile for tripleo
#
# === Parameters
#
# [*bootstrap_node*]
#   (Optional) The hostname of the node responsible for bootstrapping tasks
#   Defaults to hiera('bootstrap_nodeid')
#
# [*step*]
#   (Optional) The current step in deployment. See tripleo-heat-templates
#   for more details.
#   Defaults to hiera('step')
#
# [*manila_generic_enable*]
#   (Optional) Enable the generic backend.
#   Defaults to hiera('manila_generic_enable_backend', 'false')
#
# [*driver_handles_share_servers*]
#   (Optional)
#   Defaults to hiera('manila::backend::generic::driver_handles_share_servers')
#
# [*smb_template_config_path*]
#   (Optional)
#   Defaults to hiera('manila::backend::generic::smb_template_config_path')
#
# [*volume_name_template*]
#   (Optional)
#   Defaults to hiera('manila::backend::generic::volume_name_template')

# [*volume_snapshot_name_template*]
#   (Optional)
#   Defaults to hiera('manila::backend::generic::volume_snapshot_name_template')
#
# [*share_mount_path*]
#   (Optional)
#   Defaults to hiera('manila::backend::generic::share_mount_path')
#
# [*max_time_to_create_volume*]
#   (Optional)
#   Defaults to hiera('manila::backend::generic::max_time_to_create_volume')
#
# [*max_time_to_attach*]
#   (Optional)
#   Defaults to hiera('manila::backend::generic::max_time_to_attach')
#
# [*service_instance_smb_config_path*]
#   (Optional)
#   Defaults to downcase(hiera('manila::backend::generic::service_instance_smb_config_path'))
#
# [*share_volume_fstype*]
#   (Optional)
#   Defaults to hiera('manila::backend::generic::share_volume_fstype')
#
# [*cinder_volume_type*]
#   (Optional)
#   Defaults to hiera('manila::backend::generic::cinder_volume_type', '')
#
# [*service_instance_user*]
#   (Optional)
#   Defaults to hiera('manila::service_instance::service_instance_user')

# [*service_instance_password*]
#   (Optional)
#   Defaults to hiera('manila::service_instance::service_instance_password')

# [*service_instance_flavor_id*]
#   (Optional)
#   Defaults to hiera('manila::service_instance::service_instance_flavor_id')
#
class tripleo::profile::pacemaker::manila (
  $bootstrap_node                   = hiera('bootstrap_nodeid'),
  $step                             = hiera('step'),
  $manila_generic_enable            = hiera('manila_generic_enable_backend', false),
  $driver_handles_share_servers     = hiera('manila::backend::generic::driver_handles_share_servers'),
  $smb_template_config_path         = hiera('manila::backend::generic::smb_template_config_path'),
  $volume_name_template             = hiera('manila::backend::generic::volume_name_template'),
  $volume_snapshot_name_template    = hiera('manila::backend::generic::volume_snapshot_name_template'),
  $share_mount_path                 = hiera('manila::backend::generic::share_mount_path'),
  $max_time_to_create_volume        = hiera('manila::backend::generic::max_time_to_create_volume'),
  $max_time_to_attach               = hiera('manila::backend::generic::max_time_to_attach'),
  $service_instance_smb_config_path = hiera('manila::backend::generic::service_instance_smb_config_path'),
  $share_volume_fstype              = hiera('manila::backend::generic::share_volume_fstype'),
  $cinder_volume_type               = hiera('manila::backend::generic::cinder_volume_type', ''),
  $service_instance_user            = hiera('manila::service_instance::service_instance_user'),
  $service_instance_password        = hiera('manila::service_instance::service_instance_password'),
  $service_instance_flavor_id       = hiera('manila::service_instance::service_instance_flavor_id'),
) {

  if $::hostname == downcase($bootstrap_node) {
    $pacemaker_master = true
  } else {
    $pacemaker_master = false
  }

  # make it so puppet can't restart the manila-share service, since that is
  # the only pacemaker managed one
  Service <| tag == 'manila-share' |> {
    hasrestart => true,
    restart    => '/bin/true',
    start      => '/bin/true',
    stop       => '/bin/true',
  }

  if $step >= 4 {
    include ::tripleo::profile::base::manila::api
    include ::tripleo::profile::base::manila::scheduler
    include ::tripleo::profile::base::manila::share

    if $manila_generic_enable {
      $manila_generic_backend = hiera('manila::backend::generic::title')
      manila::backend::generic { $manila_generic_backend :
        driver_handles_share_servers     => $driver_handles_share_servers,
        smb_template_config_path         => $smb_template_config_path,
        volume_name_template             => $volume_name_template ,
        volume_snapshot_name_template    => $volume_snapshot_name_template,
        share_mount_path                 => $share_mount_path,
        max_time_to_create_volume        => $max_time_to_create_volume,
        max_time_to_attach               => $max_time_to_attach,
        service_instance_smb_config_path => $service_instance_smb_config_path,
        share_volume_fstype              => $share_volume_fstype,
        cinder_volume_type               => $cinder_volume_type,
      }

      manila_config {
        "${manila_generic_backend}/service_instance_user":      value => $service_instance_user;
        "${manila_generic_backend}/service_instance_password":  value => $service_instance_password;
        "${manila_generic_backend}/service_instance_flavor_id": value => $service_instance_flavor_id;
      }

      include ::manila::volume::cinder
    }

    $manila_enabled_backends = delete_undef_values([$manila_generic_backend])
    class { '::manila::backends' :
      enabled_share_backends => $manila_enabled_backends,
    }
  }

  if $step >= 5 and $pacemaker_master {

    # only manila-share is pacemaker managed, and in a/p
    pacemaker::resource::service { $::manila::params::share_service : }

  }
}