Cassandra: Initial commit

Allow puppet-openstack-cloud to deploy Cassandra nodes and hence
cluster.

Change-Id: I5c9b64def9406357a817d48a415e986401b90fa9

Puppetfile

@@ -74,6 +74,9 @@ mod 'cloud',
 mod 'common',
   :git => 'git://github.com/enovance/puppet-module-common.git',
   :ref => '2d0606fce1078222dd483e731ec32807f5b4ca53'
+mod 'cassandra',
+  :git => 'git://github.com/enovance/cassandra.git',
+  :ref => '124f472128d178f52e2233d6aa8a0f1285f73c49'
 mod 'concat',
   :git => 'git://github.com/enovance/puppet-concat.git',
   :ref => 'ab06c2b8c09d9da82b53a62a5389427720519cd5'

manifests/database/nosql/cassandra.pp

@@ -0,0 +1,40 @@
+#
+# Copyright (C) 2015 eNovance SAS <licensing@enovance.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: cloud::database::nosql::cassandra
+#
+# Install a Cassandra node
+#
+# === Parameters:
+#
+# [*firewall_settings*]
+#   (optional) Allow to add custom parameters to firewall rules
+#   Should be an hash.
+#   Default to {}
+#
+class cloud::database::nosql::cassandra (
+  $firewall_settings = {},
+){
+
+  include ::cassandra
+
+  if $::cloud::manage_firewall {
+    cloud::firewall::rule{ '100 allow cassandra access':
+      port   => '7000',
+      extras => $firewall_settings,
+    }
+  }
+
+}

spec/classes/cloud_database_nosql_cassandra_spec.rb

@@ -0,0 +1,79 @@
+#
+# Copyright (C) 2015 eNovance SAS <licensing@enovance.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.
+#
+# Unit tests for cloud::cache::cassandra
+#
+
+require 'spec_helper'
+
+describe 'cloud::database::nosql::cassandra' do
+
+  shared_examples_for 'cassandra server' do
+
+    let :params do
+      { }
+    end
+
+    it 'configure cassandra with some params' do
+      is_expected.to contain_class('cassandra')
+    end
+
+    context 'with default firewall enabled' do
+      let :pre_condition do
+        "class { 'cloud': manage_firewall => true }"
+      end
+      it 'configure cassandra firewall rules' do
+        is_expected.to contain_firewall('100 allow cassandra access').with(
+          :port   => '7000',
+          :proto  => 'tcp',
+          :action => 'accept',
+        )
+      end
+    end
+
+    context 'with custom firewall enabled' do
+      let :pre_condition do
+        "class { 'cloud': manage_firewall => true }"
+      end
+      before :each do
+        params.merge!(:firewall_settings => { 'limit' => '50/sec' } )
+      end
+      it 'configure cassandra firewall rules with custom parameter' do
+        is_expected.to contain_firewall('100 allow cassandra access').with(
+          :port   => '7000',
+          :proto  => 'tcp',
+          :action => 'accept',
+          :limit  => '50/sec',
+        )
+      end
+    end
+
+  end
+
+  context 'on Debian platforms' do
+    let :facts do
+      { :osfamily => 'Debian' }
+    end
+  end
+
+  context 'on RedHat platforms' do
+    let :facts do
+      { :osfamily => 'RedHat' }
+    end
+
+    it_configures 'cassandra server'
+  end
+
+end