Add ironic::drivers::interfaces class

This patch adds a new class ironic::drivers::interfaces that
will configure interfaces on ironic conductor side.
This patch allows to configure enabled_network_interfaces field.

Depends-On: I67495196c3334f51ed034f4ca6e32a3e01a58f15
Change-Id: I8ea64b23eb476cedf47527e1659174d51905eb23
Related-Bug: #1526403

manifests/drivers/interfaces.pp

@@ -0,0 +1,38 @@
+# 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.
+
+# Configure the interfaces in Ironic
+#
+# === Parameters
+#
+# [*enabled_network_interfaces*]
+#   (optional) Specify the list of network drivers to load during
+#   service initialization.
+#   Defaults to $::os_service_default
+#
+
+class ironic::drivers::interfaces (
+  $enabled_network_interfaces = $::os_service_default,
+) {
+
+  if !is_service_default($enabled_network_interfaces) and !empty($enabled_network_interfaces){
+    validate_array($enabled_network_interfaces)
+    $enabled_network_interfaces_real = join($enabled_network_interfaces, ',')
+  } else {
+    $enabled_network_interfaces_real = $::os_service_default
+  }
+
+  ironic_config {
+    'DEFAULT/enabled_network_interfaces': value => $enabled_network_interfaces_real;
+  }
+
+}

releasenotes/notes/drivers_interfaces-d8fdbbb80ef2033b.yaml

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+---
+features:
+  - added class for network interfaces management

spec/classes/ironic_drivers_interfaces_spec.rb

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+# 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 ironic::drivers::interfaces class
+#
+
+require 'spec_helper'
+
+describe 'ironic::drivers::interfaces' do
+
+  shared_examples_for 'ironic deploy interfaces' do
+
+    context 'with default parameters' do
+      it { is_expected.to contain_ironic_config('DEFAULT/enabled_network_interfaces').with_value('<SERVICE DEFAULT>') }
+    end
+
+    context 'when overriding parameters' do
+      let :params do
+        { :enabled_network_interfaces  => ['flat','neutron'] }
+      end
+
+      it { is_expected.to contain_ironic_config('DEFAULT/enabled_network_interfaces').with_value('flat,neutron') }
+    end
+
+  end
+
+  on_supported_os({
+    :supported_os   => OSDefaults.get_supported_os
+  }).each do |os,facts|
+    context "on #{os}" do
+      let (:facts) do
+        facts.merge(OSDefaults.get_facts({
+          :processorcount => 8,
+          :concat_basedir => '/var/lib/puppet/concat'
+        }))
+      end
+      it_configures 'ironic deploy interfaces'
+    end
+  end
+
+end