Merge "Create a Mesh of qdrouterd links for messaging high availability"

This commit is contained in:
Jenkins 2017-07-18 05:56:21 +00:00 committed by Gerrit Code Review
commit cb66aeb067
2 changed files with 186 additions and 5 deletions

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@ -19,18 +19,22 @@
# === Parameters
#
# [*qdr_username*]
# Username for the qrouter daemon
# Username for the qdrouter daemon
# Defaults to undef
#
# [*qdr_password*]
# Password for the qrouter daemon
# Password for the qdrouter daemon
# Defaults to undef
#
# [*qdr_listener_port*]
# Port for the listener (not that we do not use qdr::listener_port
# Port for the listener (note that we do not use qdr::listener_port
# directly because it requires a string and we have a number.
# Defaults to hiera('tripleo::profile::base::qdr::qdr_listener_port', 5672)
#
# [*qdr_node_names*]
# Set of nodes for qdr mesh deployment setup
# Defaults to hiera('rabbitmq_node_names')
#
# [*step*]
# (Optional) The current step in deployment. See tripleo-heat-templates
# for more details.
@ -41,11 +45,69 @@ class tripleo::profile::base::qdr (
$qdr_password = undef,
$qdr_listener_port = hiera('tripleo::profile::base::qdr::qdr_listener_port', 5672),
$step = Integer(hiera('step')),
$qdr_node_names = pick(hiera('qdr_node_names',undef),hiera('rabbitmq_node_names')),
) {
if $step >= 1 {
# For multi-node deployments of the dispatch router, a mesh of
# inter-router links is created. Bi-directional links must
# not be configured.
#
# Example: For nodes A, B, C
# Node Inter-Router Link
# A: []
# B: [A]
# C: [A,B]
#
# NB: puppet 4.8 introduces break(), which would be favord to
# the following
$connectors = $qdr_node_names.reduce([]) |$memo, $node| {
if $::hostname in $node {
$memo + true
} else {
if true in $memo {
$memo
} else {
$memo + [{'host' => $node,
'role' => 'inter-router',
'port' => '25672'}]
}
}
} - true
$router_mode = size($qdr_node_names) ? {
1 => 'standalone',
default => 'interior',
}
$extra_listeners = size($qdr_node_names) ? {
1 => [],
default => [{'host' => '0.0.0.0',
'port' => '25672',
'role' => 'inter-router'}],
}
$extra_addresses = [{'prefix' => 'openstack.org/om/rpc/multicast',
'distribution' => 'multicast'},
{'prefix' => 'openstack.org/om/rpc/unicast',
'distribution' => 'closest'},
{'prefix' => 'openstack.org/om/rpc/anycast',
'distribution' => 'balanced'},
{'prefix' => 'openstack.org/om/notify/multicast',
'distribution' => 'multicast'},
{'prefix' => 'openstack.org/om/notify/unicast',
'distribution' => 'closest'},
{'prefix' => 'openstack.org/om/notify/anycast',
'distribution' => 'balanced'}]
class { '::qdr':
listener_port => "${qdr_listener_port}",
} ->
listener_addr => '0.0.0.0',
listener_port => "${qdr_listener_port}",
router_mode => $router_mode,
connectors => $connectors,
extra_listeners => $extra_listeners,
extra_addresses => $extra_addresses,
}
qdr_user { $qdr_username:
ensure => present,
password => $qdr_password,

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@ -0,0 +1,119 @@
#
# Copyright (C) 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.
#
require 'spec_helper'
describe 'tripleo::profile::base::qdr' do
let :params do
{
:step => 3,
:qdr_username => 'openstack',
:qdr_password => 'bigsecret',
}
end
shared_examples_for 'tripleo::profile::base::qdr' do
context 'with step 3 on single node' do
before do
facts.merge!({
:hostname => 'node.example.com',
})
params.merge!({
:qdr_node_names => ['node.example.com'],
})
end
it 'should setup standalone' do
is_expected.to contain_class('qdr').with(
:router_mode => 'standalone',
:extra_listeners => [],
:connectors => [],
)
end
end
context 'with step 3 on node1 of multinode' do
before do
facts.merge!({
:hostname => 'node1.example.com',
})
params.merge!({
:qdr_node_names => ['node1.example.com','node2.example.com','node3.example.com'],
})
end
it 'should set interior listener and no connectors' do
is_expected.to contain_class('qdr').with(
:router_mode => 'interior',
:extra_listeners => [{'host' => '0.0.0.0','port' => '25672','role' => 'inter-router'}],
:connectors => [],
)
end
end
context 'with step 3 on node2 of multinode' do
before do
facts.merge!({
:hostname => 'node2.example.com',
})
params.merge!({
:qdr_node_names => ['node1.example.com','node2.example.com','node3.example.com'],
})
end
it 'should set up interior listener and one connector' do
is_expected.to contain_class('qdr').with(
:router_mode => 'interior',
:extra_listeners => [{'host' => '0.0.0.0','port' => '25672','role' => 'inter-router'}],
:connectors => [{"host"=>"node1.example.com", "role"=>"inter-router", "port"=>"25672"}],
)
end
end
context 'with step 3 on node3 of multinode' do
before do
facts.merge!({
:hostname => 'node3.example.com',
})
params.merge!({
:qdr_node_names => ['node1.example.com','node2.example.com','node3.example.com'],
})
end
it 'should set up interior listener and two connectors' do
is_expected.to contain_class('qdr').with(
:router_mode => 'interior',
:extra_listeners => [{'host' => '0.0.0.0','port' => '25672','role' => 'inter-router'}],
:connectors => [
{"host"=>"node1.example.com", "role"=>"inter-router", "port"=>"25672"},
{"host"=>"node2.example.com", "role"=>"inter-router", "port"=>"25672"}],
)
end
end
end
on_supported_os.each do |os, facts|
context "on #{os}" do
let(:facts) do
facts.merge({ })
end
it_behaves_like 'tripleo::profile::base::qdr'
end
end
end