puppet-barometer: add puppet module to barometer

Port puppet module from https://github.com/johnhinman/puppet-barometer to
barometer.

Change-Id: I48499382307a184a34591a7202c439cd7c341c39
Signed-off-by: jhinman1 <john.hinman@intel.com>
Signed-off-by: Maryam Tahhan <maryam.tahhan@intel.com>

1 files changed, 117 insertions, 0 deletions

diff --git a/puppet-barometer/spec/classes/barometer_db_spec.rb b/puppet-barometer/spec/classes/barometer_db_spec.rb
new file mode 100644
index 00000000..c60666bb
--- /dev/null
+++ b/puppet-barometer/spec/classes/barometer_db_spec.rb
@@ -0,0 +1,117 @@
+require 'spec_helper'
+
+describe 'barometer::db' do
+
+  shared_examples 'barometer::db' do
+    context 'with default parameters' do
+      it { is_expected.to contain_barometer_config('database/connection').with_value('sqlite:////var/lib/barometer/barometer.sqlite') }
+      it { is_expected.to contain_barometer_config('database/idle_timeout').with_value('<SERVICE DEFAULT>') }
+      it { is_expected.to contain_barometer_config('database/min_pool_size').with_value('<SERVICE DEFAULT>') }
+      it { is_expected.to contain_barometer_config('database/db_max_retries').with_value('<SERVICE DEFAULT>') }
+      it { is_expected.to contain_barometer_config('database/max_retries').with_value('<SERVICE DEFAULT>') }
+      it { is_expected.to contain_barometer_config('database/retry_interval').with_value('<SERVICE DEFAULT>') }
+      it { is_expected.to contain_barometer_config('database/max_pool_size').with_value('<SERVICE DEFAULT>') }
+      it { is_expected.to contain_barometer_config('database/max_overflow').with_value('<SERVICE DEFAULT>') }
+    end
+
+    context 'with specific parameters' do
+      let :params do
+        { :database_connection     => 'mysql+pymysql://barometer:barometer@localhost/barometer',
+          :database_idle_timeout   => '3601',
+          :database_min_pool_size  => '2',
+          :database_db_max_retries => '-1',
+          :database_max_retries    => '11',
+          :database_retry_interval => '11',
+          :database_max_pool_size  => '11',
+          :database_max_overflow   => '21',
+        }
+      end
+
+      it { is_expected.to contain_barometer_config('database/connection').with_value('mysql+pymysql://barometer:barometer@localhost/barometer') }
+      it { is_expected.to contain_barometer_config('database/idle_timeout').with_value('3601') }
+      it { is_expected.to contain_barometer_config('database/min_pool_size').with_value('2') }
+      it { is_expected.to contain_barometer_config('database/db_max_retries').with_value('-1') }
+      it { is_expected.to contain_barometer_config('database/max_retries').with_value('11') }
+      it { is_expected.to contain_barometer_config('database/retry_interval').with_value('11') }
+      it { is_expected.to contain_barometer_config('database/max_pool_size').with_value('11') }
+      it { is_expected.to contain_barometer_config('database/max_overflow').with_value('21') }
+    end
+
+    context 'with postgresql backend' do
+      let :params do
+        { :database_connection     => 'postgresql://barometer:barometer@localhost/barometer', }
+      end
+
+      it 'install the proper backend package' do
+        is_expected.to contain_package('python-psycopg2').with(:ensure => 'present')
+      end
+
+    end
+
+    context 'with MySQL-python library as backend package' do
+      let :params do
+        { :database_connection     => 'mysql://barometer:barometer@localhost/barometer', }
+      end
+
+      it { is_expected.to contain_package('python-mysqldb').with(:ensure => 'present') }
+    end
+
+    context 'with incorrect database_connection string' do
+      let :params do
+        { :database_connection     => 'foodb://barometer:barometer@localhost/barometer', }
+      end
+
+      it_raises 'a Puppet::Error', /validate_re/
+    end
+
+    context 'with incorrect pymysql database_connection string' do
+      let :params do
+        { :database_connection     => 'foo+pymysql://barometer:barometer@localhost/barometer', }
+      end
+
+      it_raises 'a Puppet::Error', /validate_re/
+    end
+
+  end
+
+  shared_examples_for 'barometer::db on Debian' do
+    context 'using pymysql driver' do
+      let :params do
+        { :database_connection     => 'mysql+pymysql://barometer:barometer@localhost/barometer', }
+      end
+
+      it 'install the proper backend package' do
+        is_expected.to contain_package('db_backend_package').with(
+          :ensure => 'present',
+          :name   => 'python-pymysql',
+          :tag    => 'openstack'
+        )
+      end
+    end
+  end
+
+  shared_examples_for 'barometer::db on RedHat' do
+    context 'using pymysql driver' do
+      let :params do
+        { :database_connection     => 'mysql+pymysql://barometer:barometer@localhost/barometer', }
+      end
+
+      it 'install the proper backend package' do
+        is_expected.not_to contain_package('db_backend_package')
+      end
+    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())
+      end
+
+      it_configures 'barometer::db'
+      it_configures "barometer::db on #{facts[:osfamily]}"
+    end
+  end
+end