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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::database::redis
#
# OpenStack Redis Pacemaker HA profile for tripleo
#
# === Parameters
#
# [*bootstrap_node*]
# (Optional) The hostname of the node responsible for bootstrapping tasks
# Defaults to hiera('bootstrap_nodeid')
#
# [*enable_load_balancer*]
# (Optional) Whether load balancing is enabled for this cluster
# Defaults to hiera('enable_load_balancer', true)
#
# [*step*]
# (Optional) The current step in deployment. See tripleo-heat-templates
# for more details.
# Defaults to hiera('step')
#
class tripleo::profile::pacemaker::database::redis (
$bootstrap_node = hiera('bootstrap_nodeid'),
$enable_load_balancer = hiera('enable_load_balancer', true),
$step = hiera('step'),
) {
if $::hostname == downcase($bootstrap_node) {
$pacemaker_master = true
} else {
$pacemaker_master = false
}
if $step >= 1 {
include ::redis
if $pacemaker_master and hiera('stack_action') == 'UPDATE' {
tripleo::pacemaker::resource_restart_flag { 'redis-master':
# ouch, but trying to stay close how notification works in
# puppet-redis when pacemaker is not being used
subscribe => Exec["cp -p ${::redis::config_file_orig} ${::redis::config_file}"]
}
}
}
if $step >= 2 and $pacemaker_master {
pacemaker::resource::ocf { 'redis':
ocf_agent_name => 'heartbeat:redis',
master_params => '',
meta_params => 'notify=true ordered=true interleave=true',
resource_params => 'wait_last_known_master=true',
require => Class['::redis'],
}
}
}
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