Provide support for VPNaaS service_provider

A manifest and provider is needed to configure file
/etc/neutron/neutron_vpnaas.conf , so the VPNaaS agent can work
correctly when there are no defaults in this configuration file
(such as in RDO).

Change-Id: I50019d11196e4c6080813d32b3788fc5053074f4
Closes-Bug: #1538971

lib/puppet/provider/neutron_vpnaas_service_config/openstackconfig.rb

@@ -0,0 +1,10 @@
+Puppet::Type.type(:neutron_vpnaas_service_config).provide(
+  :openstackconfig,
+  :parent => Puppet::Type.type(:openstack_config).provider(:ruby)
+) do
+
+  def file_path
+    '/etc/neutron/neutron_vpnaas.conf'
+  end
+
+end

lib/puppet/type/neutron_vpnaas_service_config.rb

@@ -0,0 +1,40 @@
+Puppet::Type.newtype(:neutron_vpnaas_service_config) do
+
+  ensurable
+
+  newparam(:name, :namevar => true) do
+    desc 'Section/setting name to manage from neutron_vpnaas.conf'
+    newvalues(/\S+\/\S+/)
+  end
+
+  newproperty(:value, :array_matching => :all) do
+    desc 'The value of the setting to be defined.'
+    def insync?(is)
+      return true if @should.empty?
+      return false unless is.is_a? Array
+      return false unless is.length == @should.length
+      # we don't care about the order of items in array, hence
+      # it is necessary to override insync
+      return (
+        is & @should == is or
+        is & @should.map(&:to_s) == is
+      )
+    end
+
+    munge do |value|
+      value = value.to_s.strip
+      value.capitalize! if value =~ /^(true|false)$/i
+      value
+    end
+  end
+
+  newparam(:ensure_absent_val) do
+    desc 'A value that is specified as the value property will behave as if ensure => absent was specified'
+    defaultto('<SERVICE DEFAULT>')
+  end
+
+  autorequire(:package) do
+    'neutron-vpnaas-agent'
+  end
+
+end

manifests/services/vpnaas.pp

@@ -0,0 +1,58 @@
+#
+# Copyright (C) 2015 Kylinos Inc.
+#
+# Author: nanhai liao <nanhai.liao@kylin-cloud.com>
+#
+# 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: neutron::services::vpnaas
+#
+# Configure the VPN as a Service Neutron Plugin
+#
+# === Parameters:
+#
+# [*package_ensure*]
+#   (required) Whether or not to install the VPNaas Neutron plugin package
+#   Defaults to present
+#
+# [*service_providers*]
+#   (optional) Array of allowed service types or '<SERVICE DEFAULT>'.
+#   Note: The default upstream value is empty.
+#         If you plan to activate VPNaaS service, you'll need to set this
+#         parameter otherwise neutron-server won't start correctly.
+#         See https://bugs.launchpad.net/puppet-neutron/+bug/1538971
+#   Must be in form <service_type>:<name>:<driver>[:default].
+#   Defaults to $::os_service_default
+#
+class neutron::services::vpnaas (
+  $package_ensure    = 'present',
+  $service_providers = $::os_service_default,
+) {
+
+  include ::neutron::params
+
+  # agent package contains both agent and service resources
+  ensure_resource( 'package', 'neutron-vpnaas-agent', {
+    ensure => $package_ensure,
+    name   => $::neutron::params::vpnaas_agent_package,
+    tag    => ['openstack', 'neutron-package'],
+  })
+
+  if !is_service_default($service_providers) {
+    # default value is uncommented setting, so we should not touch it at all
+    neutron_vpnaas_service_config { 'service_providers/service_provider':
+      value => $service_providers,
+    }
+  }
+}

spec/classes/neutron_services_vpnaas_spec.rb

@@ -0,0 +1,88 @@
+#
+# Copyright (C) 2014 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.
+#
+# Unit tests for neutron::services::vpnaas class
+#
+
+require 'spec_helper'
+
+describe 'neutron::services::vpnaas' do
+
+  let :default_params do
+    { :package_ensure    => 'present',
+      :service_providers => '<SERVICE_DEFAULT>'}
+  end
+
+  shared_examples_for 'neutron vpnaas service plugin' do
+
+    context 'with default params' do
+      let :params do
+        default_params
+      end
+
+      it 'installs vpnaas package' do
+        is_expected.to contain_package('neutron-vpnaas-agent').with(
+          :ensure => params[:package_ensure],
+          :name   => platform_params[:vpnaas_package_name],
+        )
+      end
+    end
+
+    context 'with multiple service providers' do
+      let :params do
+        default_params.merge(
+          { :service_providers => ['provider1', 'provider2'] }
+        )
+      end
+
+      it 'configures neutron_vpnaas.conf' do
+        is_expected.to contain_neutron_vpnaas_service_config(
+          'service_providers/service_provider'
+        ).with_value(['provider1', 'provider2'])
+      end
+    end
+
+  end
+
+  context 'on Debian platforms' do
+    let :facts do
+      @default_facts.merge({
+        :osfamily  => 'Debian'
+      })
+    end
+
+    let :platform_params do
+      { :vpnaas_package_name => 'neutron-vpn-agent'}
+    end
+
+    it_configures 'neutron vpnaas service plugin'
+  end
+
+  context 'on Red Hat platforms' do
+    let :facts do
+      @default_facts.merge({
+        :osfamily => 'RedHat',
+        :operatingsystemrelease => '7'
+      })
+    end
+
+    let :platform_params do
+      { :vpnaas_package_name => 'openstack-neutron-vpnaas'}
+    end
+
+    it_configures 'neutron vpnaas service plugin'
+  end
+
+end