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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::pacemaker::nova::conductor
#
# Nova Conductor with Pacemaker profile for tripleo
#
# === Parameters
#
# [*pacemaker_master*]
# (Optional) The hostname of the pacemaker master
# Defaults to hiera('bootstrap_nodeid')
#
# [*step*]
# (Optional) The current step in deployment. See tripleo-heat-templates
# for more details.
# Defaults to hiera('step')
#
class tripleo::profile::pacemaker::nova::conductor (
$pacemaker_master = hiera('bootstrap_nodeid'),
$step = hiera('step'),
) {
include ::nova::params
include ::tripleo::profile::pacemaker::nova
include ::tripleo::profile::base::nova::conductor
Service<| title == 'nova-conductor' |> {
hasrestart => true,
restart => '/bin/true',
start => '/bin/true',
stop => '/bin/true',
}
if $step >= 5 and downcase($::hostname) == $pacemaker_master {
pacemaker::resource::service { $::nova::params::conductor_service_name:
clone_params => 'interleave=true',
}
pacemaker::constraint::base { 'nova-scheduler-then-nova-conductor-constraint':
constraint_type => 'order',
first_resource => "${::nova::params::scheduler_service_name}-clone",
second_resource => "${::nova::params::conductor_service_name}-clone",
first_action => 'start',
second_action => 'start',
require => [Pacemaker::Resource::Service[$::nova::params::scheduler_service_name],
Pacemaker::Resource::Service[$::nova::params::conductor_service_name]],
}
pacemaker::constraint::colocation { 'nova-conductor-with-nova-scheduler-colocation':
source => "${::nova::params::conductor_service_name}-clone",
target => "${::nova::params::scheduler_service_name}-clone",
score => 'INFINITY',
require => [Pacemaker::Resource::Service[$::nova::params::scheduler_service_name],
Pacemaker::Resource::Service[$::nova::params::conductor_service_name]],
}
# If Service['nova-compute'] is in catalog, make sure we start it after
# nova-conductor pcmk resource.
# Also make sure to restart nova-compute if nova-conductor pcmk resource changed
# the state, since nova-compute is deployed at a previous step.
Pacemaker::Resource::Service[$::nova::params::conductor_service_name] ~> Service<| title == 'nova-compute' |>
}
}
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