scenario002: deploy RabbitMQ with IPv6 binding

* Configure RabbitMQ to bind on IPv6 (scenario002 only).
* Configure OpenStack service to connect with an IPv6 on
  RabbitMQ (scenario002 only).

Change-Id: I0e4ab4b03d7b1c7bb47c55a751bc04f29292a621

README.md

@@ -34,6 +34,7 @@ scenario](#All-In-One).
 |     -      | scenario001 | scenario002 | scenario003 | scenario-aio |
 |:----------:|:-----------:|:-----------:|:-----------:|:-------------:
 | ssl        |     no      |      yes    |      no     |      no      |
+| ipv6       |     no      |      yes    |      no     |      no      |
 | keystone   |      X      |       X     |       X     |       X      |
 | glance     |     rbd     |     swift   |     file    |     file     |
 | nova       |     rbd     |       X     |       X     |       X      |

fixtures/scenario002.pp

@@ -17,6 +17,7 @@
 include ::openstack_integration
 class { '::openstack_integration::config':
   ssl  => true,
+  ipv6 => true,
 }
 include ::openstack_integration::cacert
 include ::openstack_integration::rabbitmq

manifests/cinder.pp

@@ -33,7 +33,7 @@ class openstack_integration::cinder (
   }
   class { '::cinder':
     database_connection => 'mysql+pymysql://cinder:cinder@127.0.0.1/cinder?charset=utf8',
-    rabbit_host         => '127.0.0.1',
+    rabbit_host         => $::openstack_integration::config::rabbit_host,
     rabbit_port         => $::openstack_integration::config::rabbit_port,
     rabbit_userid       => 'cinder',
     rabbit_password     => 'an_even_bigger_secret',

manifests/config.pp

@@ -4,8 +4,13 @@
 #   (optional) Boolean to enable or not SSL.
 #   Defaults to false.
 #
+# [*ipv6*]
+#   (optional) Boolean to enable or not IPv6.
+#   Defaults to false.
+#
 class openstack_integration::config (
   $ssl  = false,
+  $ipv6 = false,
 ) {
 
   if $ssl {
@@ -14,4 +19,15 @@ class openstack_integration::config (
     $rabbit_port = '5672'
   }
 
+  if $ipv6 {
+    $rabbit_host = '[::1]'
+    $rabbit_env = {
+      'RABBITMQ_NODE_IP_ADDRESS'   => '::1',
+      'RABBITMQ_SERVER_START_ARGS' => '"-proto_dist inet6_tcp"',
+    }
+  } else {
+    $rabbit_host = '127.0.0.1'
+    $rabbit_env = {}
+  }
+
 }

manifests/glance.pp

@@ -80,7 +80,7 @@ class openstack_integration::glance (
   class { '::glance::notify::rabbitmq':
     rabbit_userid       => 'glance',
     rabbit_password     => 'an_even_bigger_secret',
-    rabbit_host         => '127.0.0.1',
+    rabbit_host         => $::openstack_integration::config::rabbit_host,
     rabbit_port         => $::openstack_integration::config::rabbit_port,
     notification_driver => 'messagingv2',
     rabbit_use_ssl      => $::openstack_integration::config::ssl,

manifests/ironic.pp

@@ -19,7 +19,7 @@ class openstack_integration::ironic {
   class { '::ironic':
     rabbit_userid       => 'ironic',
     rabbit_password     => 'an_even_bigger_secret',
-    rabbit_host         => '127.0.0.1',
+    rabbit_host         => $::openstack_integration::config::rabbit_host,
     rabbit_port         => $::openstack_integration::config::rabbit_port,
     rabbit_use_ssl      => $::openstack_integration::config::ssl,
     database_connection => 'mysql+pymysql://ironic:ironic@127.0.0.1/ironic?charset=utf8',

manifests/neutron.pp

@@ -25,7 +25,7 @@ class openstack_integration::neutron {
   class { '::neutron':
     rabbit_user           => 'neutron',
     rabbit_password       => 'an_even_bigger_secret',
-    rabbit_host           => '127.0.0.1',
+    rabbit_host           => $::openstack_integration::config::rabbit_host,
     rabbit_port           => $::openstack_integration::config::rabbit_port,
     rabbit_use_ssl        => $::openstack_integration::config::ssl,
     allow_overlapping_ips => true,

manifests/nova.pp

@@ -37,7 +37,7 @@ class openstack_integration::nova (
   class { '::nova':
     database_connection     => 'mysql+pymysql://nova:nova@127.0.0.1/nova?charset=utf8',
     api_database_connection => 'mysql+pymysql://nova_api:nova@127.0.0.1/nova_api?charset=utf8',
-    rabbit_host             => '127.0.0.1',
+    rabbit_host             => $::openstack_integration::config::rabbit_host,
     rabbit_port             => $::openstack_integration::config::rabbit_port,
     rabbit_userid           => 'nova',
     rabbit_password         => 'an_even_bigger_secret',

manifests/rabbitmq.pp

@@ -36,11 +36,13 @@ class openstack_integration::rabbitmq {
       ssl_cacert            => $::openstack_integration::params::cacert_path,
       ssl_cert              => $::openstack_integration::params::cert_path,
       ssl_key               => "/etc/rabbitmq/ssl/private/${::fqdn}.pem",
+      environment_variables => $::openstack_integration::config::rabbit_env,
     }
   } else {
     class { '::rabbitmq':
       delete_guest_user     => true,
       package_provider      => $package_provider,
+      environment_variables => $::openstack_integration::config::rabbit_env,
     }
   }
   rabbitmq_vhost { '/':