manifests/profile/base/nova/compute_libvirt_shared.pp


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# 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::base::nova::compute_libvirt_shared
#
# Libvirt profile for tripleo. It will deploy Libvirt service and configure it.
#
# === Parameters
#
# [*step*]
#   (Optional) The current step in deployment. See tripleo-heat-templates
#   for more details.
#   Defaults to hiera('step')
#
class tripleo::profile::base::nova::compute_libvirt_shared (
  $step = Integer(hiera('step')),
) {
  if $step >= 4 {
    # Ceph + Libvirt
    $rbd_ephemeral_storage = hiera('nova::compute::rbd::ephemeral_storage', false)
    $rbd_persistent_storage = hiera('rbd_persistent_storage', false)
    if $rbd_ephemeral_storage or $rbd_persistent_storage {
      include ::nova::compute::rbd
    }

    if $rbd_ephemeral_storage {
      class { '::nova::compute::libvirt':
        libvirt_disk_cachemodes => ['network=writeback'],
        libvirt_hw_disk_discard => 'unmap',
      }
    } else {
      include ::nova::compute::libvirt
    }
  }
}