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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::haproxy
#
# HAproxy with Pacemaker HA profile for tripleo
#
# === Parameters
#
# [*bootstrap_node*]
# (Optional) The hostname of the node responsible for bootstrapping tasks
# Defaults to hiera('haproxy_short_bootstrap_node_name')
#
# [*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')
#
# [*pcs_tries*]
# (Optional) The number of times pcs commands should be retried.
# Defaults to hiera('pcs_tries', 20)
#
class tripleo::profile::pacemaker::haproxy (
$bootstrap_node = hiera('haproxy_short_bootstrap_node_name'),
$enable_load_balancer = hiera('enable_load_balancer', true),
$step = Integer(hiera('step')),
$pcs_tries = hiera('pcs_tries', 20),
) {
include ::tripleo::profile::base::haproxy
if $::hostname == downcase($bootstrap_node) {
$pacemaker_master = true
} else {
$pacemaker_master = false
}
if $step >= 1 and $pacemaker_master and hiera('stack_action') == 'UPDATE' and $enable_load_balancer {
tripleo::pacemaker::resource_restart_flag { 'haproxy-clone':
subscribe => Concat['/etc/haproxy/haproxy.cfg'],
}
}
if $step >= 2 and $enable_load_balancer {
pacemaker::property { 'haproxy-role-node-property':
property => 'haproxy-role',
value => true,
tries => $pcs_tries,
node => $::hostname,
}
if $pacemaker_master {
$haproxy_location_rule = {
resource_discovery => 'exclusive',
score => 0,
expression => ['haproxy-role eq true'],
}
# FIXME: we should not have to access tripleo::haproxy class
# parameters here to configure pacemaker VIPs. The configuration
# of pacemaker VIPs could move into puppet-tripleo or we should
# make use of less specific hiera parameters here for the settings.
pacemaker::resource::service { 'haproxy':
op_params => 'start timeout=200s stop timeout=200s',
clone_params => true,
location_rule => $haproxy_location_rule,
tries => $pcs_tries,
require => Pacemaker::Property['haproxy-role-node-property'],
}
$control_vip = hiera('controller_virtual_ip')
tripleo::pacemaker::haproxy_with_vip { 'haproxy_and_control_vip':
vip_name => 'control',
ip_address => $control_vip,
location_rule => $haproxy_location_rule,
pcs_tries => $pcs_tries,
require => Pacemaker::Property['haproxy-role-node-property'],
}
$public_vip = hiera('public_virtual_ip')
tripleo::pacemaker::haproxy_with_vip { 'haproxy_and_public_vip':
ensure => $public_vip and $public_vip != $control_vip,
vip_name => 'public',
ip_address => $public_vip,
location_rule => $haproxy_location_rule,
pcs_tries => $pcs_tries,
require => Pacemaker::Property['haproxy-role-node-property'],
}
$redis_vip = hiera('redis_vip')
tripleo::pacemaker::haproxy_with_vip { 'haproxy_and_redis_vip':
ensure => $redis_vip and $redis_vip != $control_vip,
vip_name => 'redis',
ip_address => $redis_vip,
location_rule => $haproxy_location_rule,
pcs_tries => $pcs_tries,
require => Pacemaker::Property['haproxy-role-node-property'],
}
$internal_api_vip = hiera('internal_api_virtual_ip')
tripleo::pacemaker::haproxy_with_vip { 'haproxy_and_internal_api_vip':
ensure => $internal_api_vip and $internal_api_vip != $control_vip,
vip_name => 'internal_api',
ip_address => $internal_api_vip,
location_rule => $haproxy_location_rule,
pcs_tries => $pcs_tries,
require => Pacemaker::Property['haproxy-role-node-property'],
}
$storage_vip = hiera('storage_virtual_ip')
tripleo::pacemaker::haproxy_with_vip { 'haproxy_and_storage_vip':
ensure => $storage_vip and $storage_vip != $control_vip,
vip_name => 'storage',
ip_address => $storage_vip,
location_rule => $haproxy_location_rule,
pcs_tries => $pcs_tries,
require => Pacemaker::Property['haproxy-role-node-property'],
}
$storage_mgmt_vip = hiera('storage_mgmt_virtual_ip')
tripleo::pacemaker::haproxy_with_vip { 'haproxy_and_storage_mgmt_vip':
ensure => $storage_mgmt_vip and $storage_mgmt_vip != $control_vip,
vip_name => 'storage_mgmt',
ip_address => $storage_mgmt_vip,
location_rule => $haproxy_location_rule,
pcs_tries => $pcs_tries,
require => Pacemaker::Property['haproxy-role-node-property'],
}
}
}
}
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