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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::gnocchi
#
# Gnocchi Pacemaker HA profile for tripleo
#
# === Parameters
#
# [*gnocchi_indexer_backend*]
# (Optional) Gnocchi indexer backend
# Defaults to mysql
#
# [*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')
#
class tripleo::profile::pacemaker::gnocchi (
$gnocchi_indexer_backend = downcase(hiera('gnocchi_indexer_backend', 'mysql')),
$bootstrap_node = hiera('bootstrap_nodeid'),
$step = hiera('step'),
) {
Service <| tag == 'gnocchi-service' |> {
hasrestart => true,
restart => '/bin/true',
start => '/bin/true',
stop => '/bin/true',
}
if $::hostname == downcase($bootstrap_node) {
$pacemaker_master = true
} else {
$pacemaker_master = false
}
if $step >= 2 and $pacemaker_master {
if $gnocchi_indexer_backend == 'mysql' {
class { '::gnocchi::db::mysql':
require => Exec['galera-ready'],
}
}
}
if $step >= 3 and $pacemaker_master {
include ::gnocchi
include ::gnocchi::config
include ::gnocchi::client
include ::gnocchi::db::sync
}
if $step >= 5 and $pacemaker_master {
pacemaker::constraint::base { 'gnocchi-metricd-then-gnocchi-statsd-constraint':
constraint_type => 'order',
first_resource => "${::gnocchi::params::metricd_service_name}-clone",
second_resource => "${::gnocchi::params::statsd_service_name}-clone",
first_action => 'start',
second_action => 'start',
require => [Pacemaker::Resource::Service[$::gnocchi::params::metricd_service_name],
Pacemaker::Resource::Service[$::gnocchi::params::statsd_service_name]],
}
pacemaker::constraint::colocation { 'gnocchi-statsd-with-metricd-colocation':
source => "${::gnocchi::params::statsd_service_name}-clone",
target => "${::gnocchi::params::metricd_service_name}-clone",
score => 'INFINITY',
require => [Pacemaker::Resource::Service[$::gnocchi::params::metricd_service_name],
Pacemaker::Resource::Service[$::gnocchi::params::statsd_service_name]],
}
}
}
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