Add unit tests for fluentd profile

Change-Id: I5f23f7c1c1928f126e307317c3573c49ed4b60ba

Puppetfile_extras

@@ -33,6 +33,10 @@ mod 'fdio',
   :git => 'https://git.fd.io/puppet-fdio',
   :ref => 'master'
 
+mod 'fluentd',
+  :git => 'https://github.com/soylent/konstantin-fluentd',
+  :ref => 'master'
+
 mod 'certmonger',
   :git => 'https://github.com/saltedsignal/puppet-certmonger',
   :ref => 'v1.1.1'

spec/classes/tripleo_profile_base_logging_fluentd_spec.rb

@@ -0,0 +1,105 @@
+#
+# Copyright (C) 2017 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::logging::fluentd' do
+  shared_examples_for 'tripleo::profile::base::logging::fluentd' do
+
+    context 'with step less than 4' do
+      let(:params) { { :step => 3 } }
+
+      it 'should do nothing' do
+        is_expected.to_not contain_class('fluentd')
+        is_expected.to_not contain_fluentd__plugin('rubygem-fluent-plugin-add')
+      end
+    end
+
+    context 'with defaults and step greater than 3' do
+      let(:params) { { :step => 4 } }
+
+      it { is_expected.to contain_class('fluentd') }
+      it { is_expected.to contain_fluentd__plugin('rubygem-fluent-plugin-add').with(
+        :plugin_provider => 'yum',
+      ) }
+    end
+
+    context 'step greater than 3 and a fluentd source' do
+      let(:params) { {
+        :step => 4,
+        :fluentd_sources => [ {
+          'format' => '/(?<time>\\d{4}-\\d{2}-\\d{2} \\d{2} =>\\d{2}:\\d{2}.\\d+) (?<pid>\\d+) (?<priority>\\S+) (?<message>.*)$/',
+          'path' => '/var/log/keystone/keystone.log',
+          'pos_file' => '/var/cache/fluentd/openstack.keystone.pos',
+          'tag' => 'openstack.keystone',
+          'type' => 'tail'
+        } ],
+      } }
+
+      it { is_expected.to contain_class('fluentd') }
+      it { is_expected.to contain_fluentd__plugin('rubygem-fluent-plugin-add').with(
+        :plugin_provider => 'yum',
+      ) }
+      it { is_expected.to contain_fluentd__config('100-openstack-sources.conf').with(
+        :config => {
+          'source' => params[:fluentd_sources]
+        }
+      ) }
+    end
+
+    context 'step greater than 3 and a fluentd source with transformation' do
+      let(:params) { {
+        :step => 4,
+        :fluentd_sources => [ {
+          'format' => '/(?<time>\\d{4}-\\d{2}-\\d{2} \\d{2} =>\\d{2}:\\d{2}.\\d+) (?<pid>\\d+) (?<priority>\\S+) (?<message>.*)$/',
+          'path' => '/var/log/keystone/keystone.log',
+          'pos_file' => '/var/cache/fluentd/openstack.keystone.pos',
+          'tag' => 'openstack.keystone',
+          'type' => 'tail'
+        } ],
+        :fluentd_path_transform => [
+          '/var/log/',
+          '/var/log/containers/',
+        ]
+      } }
+
+      it { is_expected.to contain_class('fluentd') }
+      it { is_expected.to contain_fluentd__plugin('rubygem-fluent-plugin-add').with(
+        :plugin_provider => 'yum',
+      ) }
+      it { is_expected.to contain_fluentd__config('100-openstack-sources.conf').with(
+        :config => {
+          'source' => [ {
+          'format' => '/(?<time>\\d{4}-\\d{2}-\\d{2} \\d{2} =>\\d{2}:\\d{2}.\\d+) (?<pid>\\d+) (?<priority>\\S+) (?<message>.*)$/',
+          'path' => '/var/log/containers/keystone/keystone.log',
+          'pos_file' => '/var/cache/fluentd/openstack.keystone.pos',
+          'tag' => 'openstack.keystone',
+          'type' => 'tail'
+        } ]
+        }
+      ) }
+    end
+  end
+
+  on_supported_os.each do |os, facts|
+    context "on #{os}" do
+      let (:facts) {
+        facts
+      }
+      it_behaves_like 'tripleo::profile::base::logging::fluentd'
+    end
+  end
+end