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# Copyright 2017 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::rabbitmq_bundle
#
# Containerized RabbitMQ Pacemaker HA profile for tripleo
#
# === Parameters
#
# [*rabbitmq_docker_image*]
# (Optional) The docker image to use for creating the pacemaker bundle
# Defaults to hiera('tripleo::profile::pacemaker::rabbitmq_bundle::rabbitmq_docker_image', undef)
#
# [*rabbitmq_docker_control_port*]
# (Optional) The bundle's pacemaker_remote control port on the host
# Defaults to hiera('tripleo::profile::pacemaker::rabbitmq_bundle::control_port', '3121')
#
# [*bootstrap_node*]
# (Optional) The hostname of the node responsible for bootstrapping tasks
# Defaults to hiera('rabbitmq_short_bootstrap_node_name')
#
# [*erlang_cookie*]
# (Optional) Content of erlang cookie.
# Defaults to hiera('rabbitmq::erlang_cookie').
#
# [*user_ha_queues*]
# (Optional) The number of HA queues in to be configured in rabbitmq
# Defaults to hiera('rabbitmq::nr_ha_queues'), which is usually 0 meaning
# that the queues number will be CEIL(N/2) where N is the number of rabbitmq
# nodes.
#
# [*rabbit_nodes*]
# (Optional) The list of rabbitmq nodes names
# Defaults to hiera('rabbitmq_node_names')
#
# [*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::rabbitmq_bundle (
$rabbitmq_docker_image = hiera('tripleo::profile::pacemaker::rabbitmq_bundle::rabbitmq_docker_image', undef),
$rabbitmq_docker_control_port = hiera('tripleo::profile::pacemaker::rabbitmq_bundle::control_port', '3121'),
$bootstrap_node = hiera('rabbitmq_short_bootstrap_node_name'),
$erlang_cookie = hiera('rabbitmq::erlang_cookie'),
$user_ha_queues = hiera('rabbitmq::nr_ha_queues', 0),
$rabbit_nodes = hiera('rabbitmq_node_names'),
$pcs_tries = hiera('pcs_tries', 20),
$step = Integer(hiera('step')),
) {
if $::hostname == downcase($bootstrap_node) {
$pacemaker_master = true
} else {
$pacemaker_master = false
}
include ::tripleo::profile::base::rabbitmq
file { '/var/lib/rabbitmq/.erlang.cookie':
ensure => file,
owner => 'rabbitmq',
group => 'rabbitmq',
mode => '0400',
content => $erlang_cookie,
replace => true,
require => Class['::rabbitmq'],
}
if $step >= 1 and $pacemaker_master and hiera('stack_action') == 'UPDATE' {
tripleo::pacemaker::resource_restart_flag { 'rabbitmq-clone':
subscribe => Class['rabbitmq::service'],
}
}
if $step >= 2 {
if $pacemaker_master {
$rabbitmq_short_node_names = hiera('rabbitmq_short_node_names')
$rabbitmq_nodes_count = count($rabbitmq_short_node_names)
$rabbitmq_short_node_names.each |String $node_name| {
pacemaker::property { "rabbitmq-role-${node_name}":
property => 'rabbitmq-role',
value => true,
tries => $pcs_tries,
node => $node_name,
before => Pacemaker::Resource::Bundle['rabbitmq-bundle'],
}
}
pacemaker::resource::bundle { 'rabbitmq-bundle':
image => $rabbitmq_docker_image,
replicas => $rabbitmq_nodes_count,
location_rule => {
resource_discovery => 'exclusive',
score => 0,
expression => ['rabbitmq-role eq true'],
},
container_options => 'network=host',
options => '--user=root --log-driver=journald -e KOLLA_CONFIG_STRATEGY=COPY_ALWAYS',
run_command => '/bin/bash /usr/local/bin/kolla_start',
network => "control-port=${rabbitmq_docker_control_port}",
storage_maps => {
'rabbitmq-cfg-files' => {
'source-dir' => '/var/lib/kolla/config_files/rabbitmq.json',
'target-dir' => '/var/lib/kolla/config_files/config.json',
'options' => 'ro',
},
'rabbitmq-cfg-data' => {
'source-dir' => '/var/lib/config-data/puppet-generated/rabbitmq/',
'target-dir' => '/var/lib/kolla/config_files/src',
'options' => 'ro',
},
'rabbitmq-hosts' => {
'source-dir' => '/etc/hosts',
'target-dir' => '/etc/hosts',
'options' => 'ro',
},
'rabbitmq-localtime' => {
'source-dir' => '/etc/localtime',
'target-dir' => '/etc/localtime',
'options' => 'ro',
},
'rabbitmq-lib' => {
'source-dir' => '/var/lib/rabbitmq',
'target-dir' => '/var/lib/rabbitmq',
'options' => 'rw',
},
'rabbitmq-pki-extracted' => {
'source-dir' => '/etc/pki/ca-trust/extracted',
'target-dir' => '/etc/pki/ca-trust/extracted',
'options' => 'ro',
},
'rabbitmq-pki-ca-bundle-crt' => {
'source-dir' => '/etc/pki/tls/certs/ca-bundle.crt',
'target-dir' => '/etc/pki/tls/certs/ca-bundle.crt',
'options' => 'ro',
},
'rabbitmq-pki-ca-bundle-trust-crt' => {
'source-dir' => '/etc/pki/tls/certs/ca-bundle.trust.crt',
'target-dir' => '/etc/pki/tls/certs/ca-bundle.trust.crt',
'options' => 'ro',
},
'rabbitmq-pki-cert' => {
'source-dir' => '/etc/pki/tls/cert.pem',
'target-dir' => '/etc/pki/tls/cert.pem',
'options' => 'ro',
},
'rabbitmq-dev-log' => {
'source-dir' => '/dev/log',
'target-dir' => '/dev/log',
'options' => 'rw',
},
},
}
# The default nr of ha queues is ceiling(N/2)
if $user_ha_queues == 0 {
$nr_rabbit_nodes = size($rabbit_nodes)
$nr_ha_queues = $nr_rabbit_nodes / 2 + ($nr_rabbit_nodes % 2)
$params = "set_policy='ha-all ^(?!amq\\.).* {\"ha-mode\":\"exactly\",\"ha-params\":${nr_ha_queues}}'"
} elsif $user_ha_queues == -1 {
$params = 'set_policy=\'ha-all ^(?!amq\.).* {"ha-mode":"all"}\''
} else {
$nr_ha_queues = $user_ha_queues
$params = "set_policy='ha-all ^(?!amq\\.).* {\"ha-mode\":\"exactly\",\"ha-params\":${nr_ha_queues}}'"
}
pacemaker::resource::ocf { 'rabbitmq':
ocf_agent_name => 'heartbeat:rabbitmq-cluster',
resource_params => $params,
meta_params => 'notify=true',
op_params => 'start timeout=200s stop timeout=200s',
tries => $pcs_tries,
location_rule => {
resource_discovery => 'exclusive',
score => 0,
expression => ['rabbitmq-role eq true'],
},
bundle => 'rabbitmq-bundle',
require => [Class['::rabbitmq'],
Pacemaker::Resource::Bundle['rabbitmq-bundle']],
}
}
}
}
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