Adds a profile for the Ceph MDS service

This change adds a profile to deploy the Ceph MDS service and some
basic unit tests for it.

Depends-On: I558b43deaa9b243c54f3d7ae945f11dd4925eb5d
Change-Id: Iaecc3ff7acb851776c5057c42a5a513a70425d2c
Partial-Bug: #1644784

manifests/profile/base/ceph/mds.pp

@@ -0,0 +1,35 @@
+# 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::ceph::mds
+#
+# Ceph MDS profile for tripleo
+#
+# === Parameters
+#
+# [*step*]
+#   (Optional) The current step in deployment. See tripleo-heat-templates
+#   for more details.
+#   Defaults to hiera('step')
+#
+class tripleo::profile::base::ceph::mds (
+  $step = hiera('step'),
+) {
+
+  include ::tripleo::profile::base::ceph
+
+  if $step >= 3 {
+    include ::ceph::profile::mds
+  }
+}

spec/classes/tripleo_profile_base_ceph_mds_spec.rb

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+#
+# Copyright (C) 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.
+#
+
+require 'spec_helper'
+
+describe 'tripleo::profile::base::ceph::mds' do
+  shared_examples_for 'tripleo::profile::base::ceph::mds' do
+    let (:pre_condition) do
+      <<-eof
+      class { '::tripleo::profile::base::ceph':
+        step => #{params[:step]}
+      }
+      eof
+    end
+
+    context 'with step less than 3' do
+      let(:params) { { :step => 2 } }
+      it 'should do nothing' do
+        is_expected.to contain_class('tripleo::profile::base::ceph')
+        is_expected.to_not contain_class('ceph::profile::mds')
+      end
+    end
+
+    context 'with step 3' do
+      let(:params) { {
+        :step => 3,
+      } }
+
+      it 'should include mds configuration' do
+        is_expected.to contain_class('tripleo::profile::base::ceph')
+        is_expected.to contain_class('ceph::profile::mds')
+      end
+    end
+
+  end
+
+  on_supported_os.each do |os, facts|
+    context "on #{os}" do
+      let(:facts) do
+        facts.merge({ :hostname => 'node.example.com' })
+      end
+
+      it_behaves_like 'tripleo::profile::base::ceph::mds'
+    end
+  end
+end