Configure Big Switch ML2 plugin

Adds a class to install the Big Switch ML2 plugin and another one to
configure the [restproxy] section of ml2_conf.ini. Currently, only
RedHat osfamily is supported.

Change-Id: If027762f70695c31dbca6151373a0ebe6e75d071

manifests/plugins/ml2/bigswitch.pp

@@ -0,0 +1,29 @@
+#
+# Install the Big Switch ML2 plugin.
+#
+# === Parameters
+#
+# [*package_ensure*]
+# (optional) The intended state of the Big Switch ML2 plugin package
+# (python-bsnstacklib) package, i.e. any of the possible values of the
+# 'ensure' property for a package resource type.  Defaults to
+# 'present'
+#
+class neutron::plugins::ml2::bigswitch (
+  $package_ensure = 'present',
+) {
+  include ::neutron::params
+  require ::neutron::plugins::ml2
+
+  if($::osfamily != 'Redhat') {
+    # Drivers are only packaged for RedHat at this time
+    fail("Unsupported osfamily ${::osfamily}")
+  }
+
+  ensure_packages('python-networking-bigswitch',
+    {
+      ensure => $package_ensure,
+      tag    => 'openstack',
+    }
+  )
+}

manifests/plugins/ml2/bigswitch/restproxy.pp

@@ -0,0 +1,58 @@
+#
+# Set config file parameters for connecting Neutron server to Big
+# Switch controllers.
+#
+# === Parameters
+#
+# [*servers*]
+# Comma-separated list of Big Switch controllers.
+# The format is "IP:port,IP:port".
+#
+# [*server_auth*]
+# Credentials for the Big Switch controllers.
+# The format is "username:password".
+#
+# [*auto_sync_on_failure*]
+# (optional) When a failover happens in active/passive Big Switch
+# controllers, resynchronize with the new master server. Defaults to
+# true.
+#
+# [*consistency_interval*]
+# (optional) Interval of a keepalive message sent from Neutron server
+# to a Big Switch controller. Defaults to 60.
+#
+# [*neutron_id*]
+# (optional) Unique identifier of the Neutron instance for the Big
+# Switch controller. Defaults to 'neutron'.
+#
+# [*server_ssl*]
+# (optional) Whether Neutron should use SSL to talk to the Big Switch
+# controllers. Defaults to true.
+#
+# [*ssl_cert_directory*]
+# (optional) Directory where Big Switch controller certificate will be
+# stored. Defaults to '/var/lib/neutron'.
+#
+class neutron::plugins::ml2::bigswitch::restproxy (
+  $servers,
+  $server_auth,
+
+  $auto_sync_on_failure = true,
+  $consistency_interval = 60,
+  $neutron_id           = 'neutron',
+  $server_ssl           = true,
+  $ssl_cert_directory   = '/var/lib/neutron',
+) {
+  require ::neutron::plugins::ml2::bigswitch
+
+  neutron_plugin_ml2 {
+    'restproxy/servers'               : value => $servers;
+    'restproxy/server_auth'           : value => $server_auth;
+
+    'restproxy/auto_sync_on_failure'  : value => $auto_sync_on_failure;
+    'restproxy/consistency_interval'  : value => $consistency_interval;
+    'restproxy/neutron_id'            : value => $neutron_id;
+    'restproxy/server_ssl'            : value => $server_ssl;
+    'restproxy/ssl_cert_directory'    : value => $ssl_cert_directory;
+  }
+}

spec/classes/neutron_plugins_ml2_bigswitch_restproxy_spec.rb

@@ -0,0 +1,78 @@
+#
+# Unit tests for neutron::plugins::ml2::cisco::nexus class
+#
+
+require 'spec_helper'
+
+describe 'neutron::plugins::ml2::bigswitch::restproxy' do
+
+  let :pre_condition do
+    "class { 'neutron::server': auth_password => 'password'}
+     class { 'neutron':
+      rabbit_password => 'passw0rd',
+      core_plugin     => 'neutron.plugins.ml2.plugin.Ml2Plugin' }"
+  end
+
+  let :required_params do
+    {
+      :servers     => '192.168.0.10:8000,192.168.0.11:8000',
+      :server_auth => 'admin:password',
+    }
+  end
+
+  let :params do
+    required_params
+  end
+
+  let :default_facts do
+    { :operatingsystem         => 'default',
+      :operatingsystemrelease  => 'default',
+    }
+  end
+
+  shared_examples_for 'neutron bigswitch ml2 restproxy' do
+
+    it { is_expected.to contain_class('neutron::params') }
+    it { is_expected.to contain_class('neutron::plugins::ml2::bigswitch') }
+
+    it do
+      is_expected.to contain_neutron_plugin_ml2('restproxy/servers').with_value(params[:servers])
+      is_expected.to contain_neutron_plugin_ml2('restproxy/server_auth').with_value(params[:server_auth])
+
+      is_expected.to contain_neutron_plugin_ml2('restproxy/auto_sync_on_failure').with_value(true)
+      is_expected.to contain_neutron_plugin_ml2('restproxy/consistency_interval').with_value(60)
+      is_expected.to contain_neutron_plugin_ml2('restproxy/neutron_id').with_value('neutron')
+      is_expected.to contain_neutron_plugin_ml2('restproxy/server_ssl').with_value(true)
+      is_expected.to contain_neutron_plugin_ml2('restproxy/ssl_cert_directory').with_value('/var/lib/neutron')
+    end
+
+    context 'with custom params' do
+      let :params do
+        required_params.merge({
+          :auto_sync_on_failure => false,
+          :consistency_interval => 10,
+          :neutron_id           => 'openstack',
+          :server_ssl           => false,
+          :ssl_cert_directory   => '/var/lib/bigswitch',
+        })
+      end
+
+      it do
+        is_expected.to contain_neutron_plugin_ml2('restproxy/auto_sync_on_failure').with_value(false)
+        is_expected.to contain_neutron_plugin_ml2('restproxy/consistency_interval').with_value(10)
+        is_expected.to contain_neutron_plugin_ml2('restproxy/neutron_id').with_value('openstack')
+        is_expected.to contain_neutron_plugin_ml2('restproxy/server_ssl').with_value(false)
+        is_expected.to contain_neutron_plugin_ml2('restproxy/ssl_cert_directory').with_value('/var/lib/bigswitch')
+      end
+    end
+
+  end
+
+  context 'on RedHat platforms' do
+    let :facts do
+      default_facts.merge({:osfamily => 'RedHat'})
+    end
+
+    it_configures 'neutron bigswitch ml2 restproxy'
+  end
+end

spec/classes/neutron_plugins_ml2_bigswitch_spec.rb

@@ -0,0 +1,60 @@
+require 'spec_helper'
+
+describe 'neutron::plugins::ml2::bigswitch' do
+
+  let :pre_condition do
+    "class { 'neutron::server': auth_password => 'password'}
+     class { 'neutron':
+      rabbit_password => 'passw0rd',
+      core_plugin     => 'neutron.plugins.ml2.plugin.Ml2Plugin' }"
+  end
+
+  let :default_params do
+    {
+      :package_ensure => 'present'
+    }
+  end
+
+  let :params do
+    {}
+  end
+
+  let :default_facts do
+    {
+      :operatingsystem        => 'default',
+      :operatingsystemrelease => 'default',
+    }
+  end
+
+
+  shared_examples_for 'neutron plugin bigswitch ml2' do
+    before do
+      params.merge!(default_params)
+    end
+
+    it { is_expected.to contain_class('neutron::params') }
+
+    it 'should have' do
+      is_expected.to contain_package('python-networking-bigswitch').with(
+        :ensure => params[:package_ensure],
+        :tag    => 'openstack'
+        )
+    end
+  end
+
+  context 'on RedHat platforms' do
+    let :facts do
+      default_facts.merge({:osfamily => 'RedHat'})
+    end
+
+    it_configures 'neutron plugin bigswitch ml2'
+  end
+
+  context 'on Debian platforms' do
+    let :facts do
+      default_facts.merge({:osfamily => 'Debian'})
+    end
+
+    it { is_expected.to raise_error(Puppet::Error, /Unsupported osfamily Debian/) }
+  end
+end