From 8c697c634922cf28e7922f578eda0c2725bc1daa Mon Sep 17 00:00:00 2001
From: Iury Gregory Melo Ferreira <iurygregory@gmail.com>
Date: Tue, 7 Jun 2016 00:59:36 -0300
Subject: [PATCH] Move nova to use OSDefaults - Part1

Switch @default_facts to OSDefaults

On going Part2 (new commit):
- nova_keystone_auth_spec.rb
- nova_migration_libvirt_spec.rb
- nova_network_spec.rb
- nova_objectstore_spec.rb
- nova_rabbitmq_spec.rb
- nova_scheduler_spec.rb
- nova_serial_proxy_spec.rb
- nova_spicehtml5_proxy_spec.rb
- nova_vnc_proxy_spec.rb
- nova_wsgi_apache_spec.rb

Change-Id: Ie53c2ebfa72710e248d14f5588bc632eeafc2d68
---
 spec/classes/nova_api_spec.rb                 |  59 +++-------
 spec/classes/nova_availability_zone_spec.rb   |  32 ++----
 spec/classes/nova_cache_spec.rb               |  22 ++--
 spec/classes/nova_cells_spec.rb               |  57 +++++----
 spec/classes/nova_cert_spec.rb                |  40 ++++---
 spec/classes/nova_compute_libvirt_spec.rb     |  66 +++++------
 spec/classes/nova_compute_rbd_spec.rb         |  38 +++---
 spec/classes/nova_compute_spec.rb             |  40 +++----
 spec/classes/nova_conductor_spec.rb           |  42 +++----
 spec/classes/nova_consoleauth_spec.rb         |  40 ++++---
 .../nova_cron_archive_deleted_rows_spec.rb    |   3 +-
 spec/classes/nova_db_mysql_api_spec.rb        | 108 +++++++-----------
 spec/classes/nova_db_mysql_spec.rb            | 108 +++++++-----------
 spec/classes/nova_db_spec.rb                  |  46 ++++----
 spec/classes/nova_init_spec.rb                |  64 ++++-------
 spec/classes/nova_logging_spec.rb             |  23 ++--
 spec/hosts/test-001_spec.rb                   |  19 ++-
 17 files changed, 350 insertions(+), 457 deletions(-)

diff --git a/spec/classes/nova_api_spec.rb b/spec/classes/nova_api_spec.rb
index cf334e034..d50347416 100644
--- a/spec/classes/nova_api_spec.rb
+++ b/spec/classes/nova_api_spec.rb
@@ -10,10 +10,6 @@ describe 'nova::api' do
     { :admin_password => 'passw0rd' }
   end
 
-  let :facts do
-    @default_facts.merge({ :processorcount => 5 })
-  end
-
   shared_examples 'nova-api' do
 
     context 'with default parameters' do
@@ -329,44 +325,25 @@ describe 'nova::api' do
 
   end
 
-  context 'on Debian platforms' do
-    before do
-      facts.merge!(
-        :osfamily                  => 'Debian',
-        :operatingsystem           => 'Debian',
-        :operatingsystemrelease    => '8.0',
-        :operatingsystemmajrelease => '8',
-        :concat_basedir            => '/var/lib/puppet/concat',
-        :fqdn                      => 'some.host.tld',
-      )
-    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({ :processorcount => 5 }))
+      end
 
-    let :platform_params do
-      { :nova_api_package => 'nova-api',
-        :nova_api_service => 'nova-api' }
+      let (:platform_params) do
+        case facts[:osfamily]
+        when 'Debian'
+          { :nova_api_package => 'nova-api',
+            :nova_api_service => 'nova-api' }
+        when 'RedHat'
+          { :nova_api_package => 'openstack-nova-api',
+            :nova_api_service => 'openstack-nova-api' }
+        end
+      end
+      it_behaves_like 'nova-api'
     end
-
-    it_behaves_like 'nova-api'
   end
-
-  context 'on RedHat platforms' do
-    before do
-      facts.merge!(
-        :osfamily                  => 'RedHat',
-        :operatingsystem           => 'RedHat',
-        :operatingsystemrelease    => '7.0',
-        :operatingsystemmajrelease => '7',
-        :concat_basedir            => '/var/lib/puppet/concat',
-        :fqdn                      => 'some.host.tld',
-      )
-    end
-
-    let :platform_params do
-      { :nova_api_package => 'openstack-nova-api',
-        :nova_api_service => 'openstack-nova-api' }
-    end
-
-    it_behaves_like 'nova-api'
-  end
-
 end
diff --git a/spec/classes/nova_availability_zone_spec.rb b/spec/classes/nova_availability_zone_spec.rb
index 75470a672..cb4888713 100644
--- a/spec/classes/nova_availability_zone_spec.rb
+++ b/spec/classes/nova_availability_zone_spec.rb
@@ -29,29 +29,15 @@ describe 'nova::availability_zone' do
 
   end
 
-  context 'on Debian platforms' do
-    let :facts do
-      @default_facts.merge({
-        :osfamily => 'Debian',
-        :operatingsystem => 'Debian',
-        :operatingsystemrelease => 'jessie',
-      })
+  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 'nova::availability_zone'
     end
-
-    it_configures 'nova::availability_zone'
-
   end
-
-  context 'on Redhat platforms' do
-    let :facts do
-      @default_facts.merge({
-        :osfamily => 'RedHat',
-        :operatingsystemrelease => '7.1',
-      })
-    end
-
-    it_configures 'nova::availability_zone'
-
-  end
-
 end
diff --git a/spec/classes/nova_cache_spec.rb b/spec/classes/nova_cache_spec.rb
index 3e6e3ae0e..f86633628 100644
--- a/spec/classes/nova_cache_spec.rb
+++ b/spec/classes/nova_cache_spec.rb
@@ -62,20 +62,16 @@ describe 'nova::cache' do
     end
   end
 
-  context 'on Debian platforms' do
-    let :facts do
-      @default_facts.merge({ :osfamily => 'Debian' })
+  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 'nova-cache'
     end
-
-    it_configures 'nova-cache'
-  end
-
-  context 'on RedHat platforms' do
-    let :facts do
-      @default_facts.merge({ :osfamily => 'RedHat' })
-    end
-
-    it_configures 'nova-cache'
   end
 
 end
diff --git a/spec/classes/nova_cells_spec.rb b/spec/classes/nova_cells_spec.rb
index d61615420..2eeae064e 100644
--- a/spec/classes/nova_cells_spec.rb
+++ b/spec/classes/nova_cells_spec.rb
@@ -138,38 +138,35 @@ describe 'nova::cells' do
     it_configures 'nova-cells'
   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
 
-  context 'on Debian platforms' do
-    let :facts do
-      @default_facts.merge({ :osfamily => 'Debian' })
+      case facts[:osfamily]
+      when 'Debian'
+        let (:platform_params) do
+          {
+              :cells_package_name => 'nova-cells',
+              :cells_service_name => 'nova-cells'
+          }
+        end
+        it_configures 'a parent cell with manage_service as false'
+      when 'RedHat'
+        let (:platform_params) do
+          {
+              :cells_package_name => 'openstack-nova-cells',
+              :cells_service_name => 'openstack-nova-cells'
+          }
+        end
+      end
+
+      it_configures 'a parent cell'
+      it_configures 'a child cell'
     end
-
-    let :platform_params do
-      {
-        :cells_package_name => 'nova-cells',
-        :cells_service_name => 'nova-cells'
-      }
-    end
-
-    it_configures 'a parent cell'
-    it_configures 'a parent cell with manage_service as false'
-    it_configures 'a child cell'
-  end
-
-  context 'on RedHat platforms' do
-    let :facts do
-      @default_facts.merge({ :osfamily => 'RedHat' })
-    end
-
-    let :platform_params do
-      {
-        :cells_package_name => 'openstack-nova-cells',
-        :cells_service_name => 'openstack-nova-cells'
-      }
-    end
-
-    it_configures 'a parent cell'
-    it_configures 'a child cell'
   end
 
 end
diff --git a/spec/classes/nova_cert_spec.rb b/spec/classes/nova_cert_spec.rb
index 71bc4ca5a..74da08324 100644
--- a/spec/classes/nova_cert_spec.rb
+++ b/spec/classes/nova_cert_spec.rb
@@ -6,25 +6,29 @@ describe 'nova::cert' do
     'include nova'
   end
 
-  context 'on Debian platforms' do
-    let :facts do
-      @default_facts.merge({ :osfamily => 'Debian' })
-    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_behaves_like 'generic nova service', {
-      :name         => 'nova-cert',
-      :package_name => 'nova-cert',
-      :service_name => 'nova-cert' }
+      let (:platform_params) do
+        case facts[:osfamily]
+        when 'Debian'
+          it_behaves_like 'generic nova service', {
+            :name         => 'nova-cert',
+            :package_name => 'nova-cert',
+            :service_name => 'nova-cert' }
+        when 'RedHat'
+          it_behaves_like 'generic nova service', {
+            :name         => 'nova-cert',
+            :package_name => 'openstack-nova-cert',
+            :service_name => 'openstack-nova-cert' }
+        end
+      end
+    end
   end
 
-  context 'on RedHat platforms' do
-    let :facts do
-      @default_facts.merge({ :osfamily => 'RedHat' })
-    end
-
-    it_behaves_like 'generic nova service', {
-      :name         => 'nova-cert',
-      :package_name => 'openstack-nova-cert',
-      :service_name => 'openstack-nova-cert' }
-  end
 end
diff --git a/spec/classes/nova_compute_libvirt_spec.rb b/spec/classes/nova_compute_libvirt_spec.rb
index 40b684c3e..6952e608e 100644
--- a/spec/classes/nova_compute_libvirt_spec.rb
+++ b/spec/classes/nova_compute_libvirt_spec.rb
@@ -335,42 +335,38 @@ describe 'nova::compute::libvirt' do
 
   end
 
-  context 'on Debian platforms' do
-    let (:facts) do
-      @default_facts.merge({
-        :osfamily => 'Debian',
-        :operatingsystem => 'Debian',
-        :os_package_family => 'debian',
-        :operatingsystemmajrelease => '8'
-      })
+  on_supported_os({
+    :supported_oos => OSDefaults.get_supported_os
+  }).each do |os,facts|
+    context "on #{os}" do
+
+      case [:osfamily]
+      when 'Debian'
+
+        case [:operatingsystem]
+        when 'Debian'
+          let (:facts) do
+            facts.merge!(OSDefaults.get_facts({
+              :os_package_family => 'debian',
+              :operatingsystemmajrelease => '8'}))
+          end
+          it_behaves_like 'debian-nova-compute-libvirt'
+        when 'Ubuntu'
+          let (:facts) do
+            facts.merge!(OSDefaults.get_facts({
+              :os_package_family => 'ubuntu',
+              :operatingsystemmajrelease => '16.04'}))
+          end
+          it_behaves_like 'debian-nova-compute-libvirt'
+        end
+
+      when 'RedHat'
+        let (:facts) do
+          facts.merge!(OSDefaults.get_facts({ :os_package_type => 'rpm' }))
+        end
+        it_behaves_like 'redhat-nova-compute-libvirt'
+      end
     end
-
-    it_behaves_like 'debian-nova-compute-libvirt'
   end
 
-  context 'on Ubuntu platforms' do
-    let (:facts) do
-      @default_facts.merge({
-        :osfamily => 'Debian',
-        :operatingsystem => 'Ubuntu',
-        :os_package_family => 'ubuntu',
-        :operatingsystemmajrelease => '16.04'
-      })
-    end
-
-    it_behaves_like 'debian-nova-compute-libvirt'
-  end
-
-  context 'on RedHat platforms' do
-    let (:facts) do
-      @default_facts.merge({
-        :osfamily => 'RedHat',
-        :os_package_type => 'rpm',
-      })
-    end
-
-    it_behaves_like 'redhat-nova-compute-libvirt'
-  end
-
-
 end
diff --git a/spec/classes/nova_compute_rbd_spec.rb b/spec/classes/nova_compute_rbd_spec.rb
index 19032fb1e..12b4fa0e4 100644
--- a/spec/classes/nova_compute_rbd_spec.rb
+++ b/spec/classes/nova_compute_rbd_spec.rb
@@ -160,28 +160,24 @@ describe 'nova::compute::rbd' do
     end
   end
 
-  context 'on Debian platforms' do
-    let :facts do
-      @default_facts.merge({ :osfamily => 'Debian' })
+  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
+
+      let (:platform_params) do
+        case facts[:osfamily]
+        when 'Debian'
+          { :ceph_client_package => 'ceph' }
+        when 'RedHat'
+          { :ceph_client_package => 'ceph-common' }
+        end
+      end
+      it_configures 'nova compute rbd'
     end
-
-    let :platform_params do
-      { :ceph_client_package => 'ceph'}
-    end
-
-    it_configures 'nova compute rbd'
-  end
-
-  context 'on RedHat platforms' do
-    let :facts do
-      @default_facts.merge({ :osfamily => 'RedHat' })
-    end
-
-    let :platform_params do
-      { :ceph_client_package => 'ceph-common' }
-    end
-
-    it_configures 'nova compute rbd'
   end
 
 end
diff --git a/spec/classes/nova_compute_spec.rb b/spec/classes/nova_compute_spec.rb
index a6abb6d8e..83458f0ed 100644
--- a/spec/classes/nova_compute_spec.rb
+++ b/spec/classes/nova_compute_spec.rb
@@ -221,30 +221,26 @@ describe 'nova::compute' do
     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
 
-  context 'on Debian platforms' do
-    let :facts do
-      @default_facts.merge({ :osfamily => 'Debian' })
+      let (:platform_params) do
+        case facts[:osfamily]
+        when 'Debian'
+          { :nova_compute_package => 'nova-compute',
+            :nova_compute_service => 'nova-compute' }
+        when 'RedHat'
+          { :nova_compute_package => 'openstack-nova-compute',
+            :nova_compute_service => 'openstack-nova-compute' }
+        end
+      end
+      it_behaves_like 'nova-compute'
     end
-
-    let :platform_params do
-      { :nova_compute_package => 'nova-compute',
-        :nova_compute_service => 'nova-compute' }
-    end
-
-    it_behaves_like 'nova-compute'
   end
 
-  context 'on RedHat platforms' do
-    let :facts do
-      @default_facts.merge({ :osfamily => 'RedHat' })
-    end
-
-    let :platform_params do
-      { :nova_compute_package => 'openstack-nova-compute',
-        :nova_compute_service => 'openstack-nova-compute' }
-    end
-
-    it_behaves_like 'nova-compute'
-  end
 end
diff --git a/spec/classes/nova_conductor_spec.rb b/spec/classes/nova_conductor_spec.rb
index fcfa5f896..1828f963d 100644
--- a/spec/classes/nova_conductor_spec.rb
+++ b/spec/classes/nova_conductor_spec.rb
@@ -73,30 +73,26 @@ describe 'nova::conductor' do
 
   end
 
-  context 'on Debian platforms' do
-    let :facts do
-      @default_facts.merge({ :osfamily => 'Debian' })
+  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
+
+      let (:platform_params) do
+        case facts[:osfamily]
+        when 'Debian'
+          { :conductor_package_name => 'nova-conductor',
+            :conductor_service_name => 'nova-conductor' }
+        when 'RedHat'
+          { :conductor_package_name => 'openstack-nova-conductor',
+            :conductor_service_name => 'openstack-nova-conductor' }
+        end
+      end
+      it_configures 'nova-conductor'
     end
-
-    let :platform_params do
-      { :conductor_package_name => 'nova-conductor',
-        :conductor_service_name => 'nova-conductor' }
-    end
-
-    it_configures 'nova-conductor'
-  end
-
-  context 'on Redhat platforms' do
-    let :facts do
-      @default_facts.merge({ :osfamily => 'RedHat' })
-    end
-
-    let :platform_params do
-      { :conductor_package_name => 'openstack-nova-conductor',
-        :conductor_service_name => 'openstack-nova-conductor' }
-    end
-
-    it_configures 'nova-conductor'
   end
 
 end
diff --git a/spec/classes/nova_consoleauth_spec.rb b/spec/classes/nova_consoleauth_spec.rb
index 6d0c60232..4d185d50c 100644
--- a/spec/classes/nova_consoleauth_spec.rb
+++ b/spec/classes/nova_consoleauth_spec.rb
@@ -6,25 +6,29 @@ describe 'nova::consoleauth' do
     'include nova'
   end
 
-  context 'on Debian platforms' do
-    let :facts do
-      @default_facts.merge({ :osfamily => 'Debian' })
-    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_behaves_like 'generic nova service', {
-      :name         => 'nova-consoleauth',
-      :package_name => 'nova-consoleauth',
-      :service_name => 'nova-consoleauth' }
+      let (:platform_params) do
+        case facts[:osfamily]
+        when 'Debian'
+          it_behaves_like 'generic nova service', {
+            :name         => 'nova-consoleauth',
+            :package_name => 'nova-consoleauth',
+            :service_name => 'nova-consoleauth' }
+        when 'RedHat'
+          it_behaves_like 'generic nova service', {
+            :name         => 'nova-consoleauth',
+            :package_name => 'openstack-nova-console',
+            :service_name => 'openstack-nova-consoleauth' }
+        end
+      end
+    end
   end
 
-  context 'on RedHat platforms' do
-    let :facts do
-      @default_facts.merge({ :osfamily => 'RedHat' })
-    end
-
-    it_behaves_like 'generic nova service', {
-      :name         => 'nova-consoleauth',
-      :package_name => 'openstack-nova-console',
-      :service_name => 'openstack-nova-consoleauth' }
-  end
 end
diff --git a/spec/classes/nova_cron_archive_deleted_rows_spec.rb b/spec/classes/nova_cron_archive_deleted_rows_spec.rb
index fd6823921..d0de576b6 100644
--- a/spec/classes/nova_cron_archive_deleted_rows_spec.rb
+++ b/spec/classes/nova_cron_archive_deleted_rows_spec.rb
@@ -3,7 +3,7 @@ require 'spec_helper'
 describe 'nova::cron::archive_deleted_rows' do
 
   let :facts do
-    @default_facts.merge({ :osfamily => 'Debian' })
+    OSDefaults.get_facts({ :osfamily => 'Debian' })
   end
 
   let :params do
@@ -30,4 +30,5 @@ describe 'nova::cron::archive_deleted_rows' do
       :require     => 'Anchor[nova::dbsync::end]',
     )
   end
+
 end
diff --git a/spec/classes/nova_db_mysql_api_spec.rb b/spec/classes/nova_db_mysql_api_spec.rb
index 88ca18300..c2f2e41c5 100644
--- a/spec/classes/nova_db_mysql_api_spec.rb
+++ b/spec/classes/nova_db_mysql_api_spec.rb
@@ -2,24 +2,20 @@ require 'spec_helper'
 
 describe 'nova::db::mysql_api' do
 
-  let :pre_condition do
-    'include mysql::server'
-  end
+  shared_examples_for 'nova::db::mysql_api' do
 
-  let :required_params do
-    { :password => "qwerty" }
-  end
-
-  context 'on a Debian osfamily' do
-    let :facts do
-      @default_facts.merge({ :osfamily => "Debian" })
+    let :pre_condition do
+      'include mysql::server'
     end
 
-    context 'with only required parameters' do
+    let :required_params do
+      { :password => "qwerty" }
+    end
+
+    context 'with only required params' do
       let :params do
         required_params
       end
-
       it { is_expected.to contain_openstacklib__db__mysql('nova_api').with(
         :user          => 'nova_api',
         :password_hash => '*AA1420F182E88B9E5F874F6FBE7459291E8F4601',
@@ -28,23 +24,11 @@ describe 'nova::db::mysql_api' do
       )}
     end
 
-    context 'when overriding charset' do
+    context 'overriding allowed_hosts param to array' do
       let :params do
-        { :charset => 'latin1' }.merge(required_params)
-      end
-
-      it { is_expected.to contain_openstacklib__db__mysql('nova_api').with_charset(params[:charset]) }
-    end
-  end
-
-  context 'on a RedHat osfamily' do
-    let :facts do
-      @default_facts.merge({ :osfamily => 'RedHat' })
-    end
-
-    context 'with only required parameters' do
-      let :params do
-        required_params
+        { :password       => 'novapass',
+          :allowed_hosts  => ['127.0.0.1','%'],
+        }.merge(required_params)
       end
 
       it { is_expected.to contain_openstacklib__db__mysql('nova_api').with(
@@ -52,54 +36,50 @@ describe 'nova::db::mysql_api' do
         :password_hash => '*AA1420F182E88B9E5F874F6FBE7459291E8F4601',
         :charset       => 'utf8',
         :collate       => 'utf8_general_ci',
+        :allowed_hosts => ['127.0.0.1','%'],
+      )}
+    end
+
+    context 'overriding allowed_hosts param to string' do
+      let :params do
+        { :password       => 'novapass2',
+          :allowed_hosts  => '192.168.1.1',
+        }.merge(required_params)
+      end
+
+      it { is_expected.to contain_openstacklib__db__mysql('nova_api').with(
+        :user          => 'nova_api',
+        :password_hash => '*AA1420F182E88B9E5F874F6FBE7459291E8F4601',
+        :charset       => 'utf8',
+        :collate       => 'utf8_general_ci',
+        :allowed_hosts => '192.168.1.1',
       )}
     end
 
     context 'when overriding charset' do
       let :params do
-        { :charset => 'latin1' }.merge(required_params)
+        { :password => 'novapass',
+          :charset => 'latin1',
+        }.merge(required_params)
       end
 
-      it { is_expected.to contain_openstacklib__db__mysql('nova_api').with_charset(params[:charset]) }
-    end
-  end
-
-  describe "overriding allowed_hosts param to array" do
-    let :facts do
-      @default_facts.merge({ :osfamily => "Debian" })
-    end
-    let :params do
-      {
-        :password       => 'novapass',
-        :allowed_hosts  => ['127.0.0.1','%']
-      }
+      it { is_expected.to contain_openstacklib__db__mysql('nova_api').with(
+        :charset => 'latin1',
+      )}
     end
 
   end
 
-  describe "overriding allowed_hosts param to string" do
-    let :facts do
-      @default_facts.merge({ :osfamily => 'RedHat' })
-    end
-    let :params do
-      {
-        :password       => 'novapass2',
-        :allowed_hosts  => '192.168.1.1'
-      }
-    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 'nova::db::mysql_api'
+    end
   end
 
-  describe "overriding allowed_hosts param equals to host param " do
-    let :facts do
-      @default_facts.merge({ :osfamily => 'RedHat' })
-    end
-    let :params do
-      {
-        :password       => 'novapass2',
-        :allowed_hosts  => '127.0.0.1'
-      }
-    end
-
-  end
 end
diff --git a/spec/classes/nova_db_mysql_spec.rb b/spec/classes/nova_db_mysql_spec.rb
index cff973c17..cf76c6d4a 100644
--- a/spec/classes/nova_db_mysql_spec.rb
+++ b/spec/classes/nova_db_mysql_spec.rb
@@ -2,24 +2,20 @@ require 'spec_helper'
 
 describe 'nova::db::mysql' do
 
-  let :pre_condition do
-    'include mysql::server'
-  end
+  shared_examples_for 'nova::db::mysql' do
 
-  let :required_params do
-    { :password => "qwerty" }
-  end
-
-  context 'on a Debian osfamily' do
-    let :facts do
-      @default_facts.merge({ :osfamily => "Debian" })
+    let :pre_condition do
+      'include mysql::server'
     end
 
-    context 'with only required parameters' do
+    let :required_params do
+      { :password => "qwerty" }
+    end
+
+    context 'with only required params' do
       let :params do
         required_params
       end
-
       it { is_expected.to contain_openstacklib__db__mysql('nova').with(
         :user          => 'nova',
         :password_hash => '*AA1420F182E88B9E5F874F6FBE7459291E8F4601',
@@ -28,23 +24,11 @@ describe 'nova::db::mysql' do
       )}
     end
 
-    context 'when overriding charset' do
+    context 'overriding allowed_hosts param to array' do
       let :params do
-        { :charset => 'latin1' }.merge(required_params)
-      end
-
-      it { is_expected.to contain_openstacklib__db__mysql('nova').with_charset(params[:charset]) }
-    end
-  end
-
-  context 'on a RedHat osfamily' do
-    let :facts do
-      @default_facts.merge({ :osfamily => 'RedHat' })
-    end
-
-    context 'with only required parameters' do
-      let :params do
-        required_params
+        { :password       => 'novapass',
+          :allowed_hosts  => ['127.0.0.1','%'],
+        }.merge(required_params)
       end
 
       it { is_expected.to contain_openstacklib__db__mysql('nova').with(
@@ -52,54 +36,50 @@ describe 'nova::db::mysql' do
         :password_hash => '*AA1420F182E88B9E5F874F6FBE7459291E8F4601',
         :charset       => 'utf8',
         :collate       => 'utf8_general_ci',
+        :allowed_hosts => ['127.0.0.1','%'],
+      )}
+    end
+
+    context 'overriding allowed_hosts param to string' do
+      let :params do
+        { :password       => 'novapass2',
+          :allowed_hosts  => '192.168.1.1',
+        }.merge(required_params)
+      end
+
+      it { is_expected.to contain_openstacklib__db__mysql('nova').with(
+        :user          => 'nova',
+        :password_hash => '*AA1420F182E88B9E5F874F6FBE7459291E8F4601',
+        :charset       => 'utf8',
+        :collate       => 'utf8_general_ci',
+        :allowed_hosts => '192.168.1.1',
       )}
     end
 
     context 'when overriding charset' do
       let :params do
-        { :charset => 'latin1' }.merge(required_params)
+        { :password => 'novapass',
+          :charset => 'latin1',
+        }.merge(required_params)
       end
 
-      it { is_expected.to contain_openstacklib__db__mysql('nova').with_charset(params[:charset]) }
-    end
-  end
-
-  describe "overriding allowed_hosts param to array" do
-    let :facts do
-      @default_facts.merge({ :osfamily => "Debian" })
-    end
-    let :params do
-      {
-        :password       => 'novapass',
-        :allowed_hosts  => ['127.0.0.1','%']
-      }
+      it { is_expected.to contain_openstacklib__db__mysql('nova').with(
+        :charset => 'latin1',
+      )}
     end
 
   end
 
-  describe "overriding allowed_hosts param to string" do
-    let :facts do
-      @default_facts.merge({ :osfamily => 'RedHat' })
-    end
-    let :params do
-      {
-        :password       => 'novapass2',
-        :allowed_hosts  => '192.168.1.1'
-      }
-    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 'nova::db::mysql'
+    end
   end
 
-  describe "overriding allowed_hosts param equals to host param " do
-    let :facts do
-      @default_facts.merge({ :osfamily => 'RedHat' })
-    end
-    let :params do
-      {
-        :password       => 'novapass2',
-        :allowed_hosts  => '127.0.0.1'
-      }
-    end
-
-  end
 end
diff --git a/spec/classes/nova_db_spec.rb b/spec/classes/nova_db_spec.rb
index a4de28cb6..731d44506 100644
--- a/spec/classes/nova_db_spec.rb
+++ b/spec/classes/nova_db_spec.rb
@@ -78,21 +78,23 @@ describe 'nova::db' do
     end
   end
 
-  context 'on Debian platforms' do
-    let :facts do
-      @default_facts.merge({
-        :osfamily => 'Debian',
-        :operatingsystem => 'Debian',
-        :operatingsystemrelease => 'jessie',
-      })
-    end
+  shared_examples_for 'nova::db RedHat' do
+    context 'using pymysql driver' do
+      let :params do
+        { :database_connection   => 'mysql+pymysql://user:pass@db/db', }
+      end
 
-    it_configures 'nova::db'
+      it { is_expected.not_to contain_package('db_backend_package') }
+    end
+  end
+
+  shared_examples_for 'nova::db Debian' do
 
     context 'using pymysql driver' do
       let :params do
         { :database_connection   => 'mysql+pymysql://user:pass@db/db', }
       end
+
       it 'install the proper backend package' do
         is_expected.to contain_package('db_backend_package').with(
           :ensure => 'present',
@@ -104,7 +106,7 @@ describe 'nova::db' do
 
     context 'with sqlite backend' do
       let :params do
-        { :database_connection     => 'sqlite:///var/lib/nova/nova.sqlite', }
+        { :database_connection => 'sqlite:///var/lib/nova/nova.sqlite', }
       end
 
       it 'install the proper backend package' do
@@ -114,26 +116,20 @@ describe 'nova::db' do
           :tag    => ['openstack'],
         )
       end
-
     end
+
   end
 
-  context 'on Redhat platforms' do
-    let :facts do
-      @default_facts.merge({
-        :osfamily => 'RedHat',
-        :operatingsystemrelease => '7.1',
-      })
-    end
-
-    it_configures 'nova::db'
-
-    context 'using pymysql driver' do
-      let :params do
-        { :database_connection   => 'mysql+pymysql://user:pass@db/db', }
+  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 { is_expected.not_to contain_package('db_backend_package') }
+      it_configures 'nova::db'
+      it_configures "nova::db #{facts[:osfamily]}"
     end
   end
 
diff --git a/spec/classes/nova_init_spec.rb b/spec/classes/nova_init_spec.rb
index 0c6bf5d79..f1a1e5ded 100644
--- a/spec/classes/nova_init_spec.rb
+++ b/spec/classes/nova_init_spec.rb
@@ -545,49 +545,31 @@ describe 'nova' do
 
   end
 
-  context 'on Debian platforms' do
-    let :facts do
-      @default_facts.merge({
-        :osfamily => 'Debian',
-        :operatingsystem => 'Debian'
-      })
-    end
 
-    let :platform_params do
-      { :nova_common_package => 'nova-common',
-        :lock_path           => '/var/lock/nova' }
-    end
+  on_supported_os({
+    :supported_oos => OSDefaults.get_supported_os
+  }).each do |os,facts|
+    context "on #{os}" do
+      let (:facts) do
+        facts.merge!(OSDefaults.get_facts())
+      end
 
-    it_behaves_like 'nova'
+      case facts[:osfamily]
+      when 'Debian'
+        let (:platform_params) do
+          { :nova_common_package => 'nova-common',
+            :lock_path           => '/var/lock/nova' }
+        end
+      when 'RedHat'
+        let (:platform_params) do
+          { :nova_common_package => 'openstack-nova-common',
+            :lock_path           => '/var/lib/nova/tmp' }
+        end
+      end
+
+      it_behaves_like 'nova'
+
+    end
   end
 
-  context 'on Ubuntu platforms' do
-    let :facts do
-      @default_facts.merge({
-        :osfamily => 'Debian',
-        :operatingsystem => 'Ubuntu'
-      })
-    end
-
-    let :platform_params do
-      { :nova_common_package => 'nova-common',
-        :lock_path           => '/var/lock/nova' }
-    end
-
-    it_behaves_like 'nova'
-  end
-
-  context 'on RedHat platforms' do
-    let :facts do
-      @default_facts.merge({ :osfamily => 'RedHat' })
-    end
-
-    let :platform_params do
-      { :nova_common_package => 'openstack-nova-common',
-        :lock_path           => '/var/lib/nova/tmp' }
-    end
-
-    it_behaves_like 'nova'
-
-  end
 end
diff --git a/spec/classes/nova_logging_spec.rb b/spec/classes/nova_logging_spec.rb
index e53f7ad69..66ced5b56 100644
--- a/spec/classes/nova_logging_spec.rb
+++ b/spec/classes/nova_logging_spec.rb
@@ -120,20 +120,17 @@ describe 'nova::logging' do
       }
   end
 
-  context 'on Debian platforms' do
-    let :facts do
-      @default_facts.merge({ :osfamily => 'Debian' })
+
+  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 'nova-logging'
     end
-
-    it_configures 'nova-logging'
-  end
-
-  context 'on RedHat platforms' do
-    let :facts do
-      @default_facts.merge({ :osfamily => 'RedHat' })
-    end
-
-    it_configures 'nova-logging'
   end
 
 end
diff --git a/spec/hosts/test-001_spec.rb b/spec/hosts/test-001_spec.rb
index 6927a808c..1c7b22f97 100644
--- a/spec/hosts/test-001_spec.rb
+++ b/spec/hosts/test-001_spec.rb
@@ -2,11 +2,7 @@ require 'spec_helper'
 
 describe 'test-001.example.org' do
 
-  context 'on RedHat platforms' do
-    let :facts do
-      @default_facts.merge({ :osfamily => 'RedHat' })
-    end
-
+  shared_examples_for 'both services' do
     # Bug #1278452
     it 'nova::consoleauth and nova::spicehtml5proxy do not conflict' do
       is_expected.to contain_class('nova::consoleauth')
@@ -16,4 +12,17 @@ describe 'test-001.example.org' do
       is_expected.to contain_nova__generic_service('spicehtml5proxy')
     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 'both services'
+    end
+  end
+
 end