Add acceptance tests for puppet-graphite.

Add acceptance tests for puppet-graphite module so that once the module
is applied we check if files were created, packages were installed and
services were started.

Change-Id: I54cf2e8e0cc484a8212d234efbf1d67df87583fd
Co-Authored-By: Danilo Ramalho <dramalho@thoughtworks.com>

.gitignore

@@ -1,2 +1,5 @@
 Gemfile.lock
 .bundled_gems/
+log/
+junit/
+.vagrant/

Gemfile

@@ -28,4 +28,8 @@ group :development, :test do
 
 end
 
+group :system_tests do
+  gem 'beaker-rspec', :require => false
+end
+
 # vim:ft=ruby

spec/acceptance/basic_spec.rb

@@ -0,0 +1,160 @@
+require 'spec_helper_acceptance'
+
+describe 'puppet-graphite module', :if => ['debian', 'ubuntu'].include?(os[:family]) do
+  def pp_path
+    base_path = File.dirname(__FILE__)
+    File.join(base_path, 'fixtures')
+  end
+
+  def default_puppet_module
+    module_path = File.join(pp_path, 'default.pp')
+    File.read(module_path)
+  end
+
+  def postconditions_puppet_module
+    module_path = File.join(pp_path, 'postconditions.pp')
+    File.read(module_path)
+  end
+
+  it 'should work with no errors' do
+    apply_manifest(default_puppet_module, catch_failures: true)
+  end
+
+  it 'should be idempotent' do
+    apply_manifest(default_puppet_module, catch_changes: true)
+  end
+
+  it 'should enable the services' do
+    apply_manifest(postconditions_puppet_module, catch_failures: true)
+  end
+
+  describe 'required packages' do
+    required_packages = [
+      package('python-django'),
+      package('python-django-tagging'),
+      package('python-cairo'),
+      package('nodejs')
+    ]
+
+    required_packages.each do |package|
+      describe package do
+        it { should be_installed }
+      end
+    end
+  end
+
+  describe 'required files' do
+    required_git_repos = [
+      file('/opt/graphite-web/.git'),
+      file('/opt/carbon/.git'),
+      file('/opt/whisper/.git'),
+      file('/opt/statsd/.git'),
+    ]
+    required_git_repos.each do |git_directory|
+      describe git_directory do
+        it { should be_directory }
+      end
+    end
+
+    required_graphite_directories = [
+      file('/var/lib/graphite/storage/log'),
+      file('/var/lib/graphite/storage/rrd'),
+      file('/var/lib/graphite/storage/whisper'),
+      file('/var/log/graphite'),
+      file('/var/log/graphite/carbon-cache-a'),
+    ]
+    required_graphite_directories.each do |graphite_directory|
+      describe graphite_directory do
+        it { should be_directory }
+        it { should be_owned_by 'www-data' }
+        it { should be_grouped_into 'www-data' }
+      end
+    end
+
+    describe file('/etc/logrotate.d/querylog') do
+      its(:content) { should include '/var/log/graphite/carbon-cache-a/query.log' }
+    end
+
+    describe file('/etc/logrotate.d/listenerlog') do
+      its(:content) { should include '/var/log/graphite/carbon-cache-a/listener.log' }
+    end
+
+    describe file('/etc/logrotate.d/createslog') do
+      its(:content) { should include '/var/log/graphite/carbon-cache-a/creates.log' }
+    end
+
+    describe file('/etc/statsd/config.js') do
+      it { should be_file }
+      it { should be_owned_by 'statsd' }
+      it { should be_grouped_into 'statsd' }
+      its(:content) { should include 'graphitePort: 2003' }
+    end
+
+    describe file('/etc/graphite/carbon.conf') do
+      it { should be_file }
+      its(:content) { should include 'USER = www-data' }
+    end
+
+    describe file('/etc/graphite/graphite.wsgi') do
+      it { should be_file }
+      its(:content) { should include "sys.path.append('/var/lib/graphite/webapp')" }
+    end
+
+    describe file('/etc/graphite/storage-schemas.conf') do
+      it { should be_file }
+      its(:content) { should include '["carbon"]' }
+    end
+
+    describe file('/etc/graphite/storage-aggregation.conf') do
+      it { should be_file }
+      its(:content) { should include '[stats_counts]' }
+    end
+
+    describe file('/usr/local/lib/python2.7/dist-packages/graphite/local_settings.py') do
+      it { should be_file }
+      its(:content) { should include "CONF_DIR       = '/etc/graphite/'" }
+    end
+
+    describe file('/usr/local/bin/graphite-init-db.py') do
+      it { should be_file }
+      its(:content) { should include "management.call_command('syncdb', interactive=False)" }
+    end
+
+    describe file('/etc/graphite/admin.ini') do
+      it { should be_file }
+      it { should be_owned_by 'www-data' }
+      it { should be_grouped_into 'www-data' }
+      its(:content) { should include 'email=graphite@localhost' }
+    end
+
+    describe file('/etc/init.d/carbon-cache') do
+      it { should be_file }
+      its(:content) { should include '# Short-Description: Carbon Cache' }
+    end
+
+    describe file('/etc/init.d/statsd') do
+      it { should be_file }
+      its(:content) { should include '# Provides:          statsd' }
+    end
+
+    describe file('/etc/default/statsd') do
+      it { should be_file }
+      its(:content) { should include 'DAEMON_ARGS="/opt/statsd/stats.js /etc/statsd/config.js"' }
+      its(:content) { should include 'CHDIR="/opt/statsd"' }
+    end
+  end
+
+  describe 'required services' do
+    describe service('carbon-cache') do
+      it { should be_enabled }
+    end
+
+    describe service('statsd') do
+      it { should be_enabled }
+    end
+  end
+
+  describe cron do
+    it { should have_entry('0 2 * * * find /var/lib/graphite/storage/whisper -type f -mtime +270 -name \\\\*.wsp -delete; find /var/lib/graphite/storage/whisper -depth -type d -empty -delete > /dev/null').with_user('root') }
+  end
+end

spec/acceptance/fixtures/default.pp

@@ -0,0 +1,6 @@
+class { '::graphite':
+  graphite_admin_user     => 'graphite',
+  graphite_admin_email    => 'graphite@localhost',
+  graphite_admin_password => '12345',
+  vhost_name              => '*',
+}

spec/acceptance/fixtures/postconditions.pp

@@ -0,0 +1,7 @@
+exec { 'starting carbon-cache service':
+  command => '/etc/init.d/carbon-cache start',
+}
+
+exec { 'starting statsd service':
+  command => '/etc/init.d/statsd start',
+}