Composable role for RabbitMQ

Add RabbitMQ composable role, and keep the same logic that we had in
THT.

Implements: blueprint refactor-puppet-manifests
Change-Id: I961bdbe1cc6dd1d4a315de616439f9fc77d793ae

1 files changed, 91 insertions, 0 deletions

diff --git a/manifests/profile/base/rabbitmq.pp b/manifests/profile/base/rabbitmq.pp
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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::base::rabbitmq
+#
+# RabbitMQ profile for tripleo
+#
+# === Parameters
+#
+# [*nodes*]
+#   (Optional) Array of host(s) for RabbitMQ nodes.
+#   Defaults to hiera('rabbit_node_ips', []).
+#
+# [*ipv6*]
+#   (Optional) Whether to deploy RabbitMQ on IPv6 network.
+#   Defaults to str2bool(hiera('rabbit_ipv6', false)).
+#
+# [*environment*]
+#   (Optional) RabbitMQ environment.
+#   Defaults to hiera('rabbitmq_environment').
+#
+# [*kernel_variables*]
+#   (Optional) RabbitMQ environment.
+#   Defaults to hiera('rabbitmq_environment').
+#
+# [*config_variables*]
+#   (Optional) RabbitMQ environment.
+#   Defaults to hiera('rabbitmq_config_variables').
+#
+# [*step*]
+#   (Optional) The current step in deployment. See tripleo-heat-templates
+#   for more details.
+#   Defaults to hiera('step')
+#
+class tripleo::profile::base::rabbitmq (
+  $nodes            = hiera('rabbit_node_ips', []),
+  $ipv6             = str2bool(hiera('rabbit_ipv6', false)),
+  $environment      = hiera('rabbitmq_environment'),
+  $kernel_variables = hiera('rabbitmq_kernel_variables'),
+  $config_variables = hiera('rabbitmq_config_variables'),
+  $step             = hiera('step'),
+) {
+
+  # IPv6 environment, necessary for RabbitMQ.
+  if $ipv6 {
+    $rabbit_env = merge($environment, {
+      'RABBITMQ_SERVER_START_ARGS' => '"-proto_dist inet6_tcp"'
+    })
+  } else {
+    $rabbit_env = $environment
+  }
+
+  $manage_service = hiera('rabbitmq::service_manage', true)
+  if $step >= 1 {
+    # Specific configuration for multi-nodes or when running with Pacemaker.
+    if count($nodes) > 1 or ! $manage_service {
+      class { '::rabbitmq':
+        config_cluster          => $manage_service,
+        cluster_nodes           => $nodes,
+        tcp_keepalive           => false,
+        config_kernel_variables => $kernel_variables,
+        config_variables        => $config_variables,
+        environment_variables   => $rabbit_env,
+      }
+      # when running multi-nodes without Pacemaker
+      if $manage_service {
+        rabbitmq_policy { 'ha-all@/':
+          pattern    => '^(?!amq\.).*',
+          definition => {
+            'ha-mode' => 'all',
+          },
+        }
+      }
+    } else {
+      # Standard configuration
+      include ::rabbitmq
+    }
+  }
+
+}