Add ironic common package for debain platform family

Add irconic-common to the ubuntu common package list
in default attributes.

By the way, correct connection url that is messed up .

Change-Id: I658670681d4a2f7f7ad5f584b9c1c24448da7384
Closes-bug: #1428926
Closes-bug: #1429245

attributes/default.rb

@@ -76,6 +76,6 @@ when 'debian'
     'ironic_api_service' => 'ironic-api',
     'ironic_conductor_packages' => ['ironic-conductor'],
     'ironic_conductor_service' => 'ironic-conductor',
-    'ironic_common_packages' => ['python-ironicclient']
+    'ironic_common_packages' => ['python-ironicclient', 'ironic-common']
   }
 end

spec/ironic-common_spec.rb

@@ -28,8 +28,9 @@ describe 'openstack-bare-metal::ironic-common' do
 
     include_context 'bare-metal-stubs'
 
-    it 'upgrades ironic client packages' do
+    it 'upgrades ironic common packages' do
       expect(chef_run).to upgrade_package('python-ironicclient')
+      expect(chef_run).to upgrade_package('ironic-common')
     end
 
     it 'upgrades mysql python package' do

templates/default/ironic.conf.erb

@@ -652,7 +652,7 @@ log_dir=<%= node['openstack']['bare-metal']['log_dir'] %>
 # Deprecated group/name - [DEFAULT]/sql_connection
 # Deprecated group/name - [DATABASE]/sql_connection
 # Deprecated group/name - [sql]/connection
-connection==<%= @db_connection %>
+connection=<%= @db_connection %>
 
 # The SQLAlchemy connection string to use to connect to the
 # slave database. (string value)