Merge pull request #112 from patcon/feature/111-mysql55

Switch to using MySQL 5.5 by default

Author: linc01n

attributes/default.rb

@@ -205,7 +205,9 @@
 default['stash']['backup_diy']['hipchat_token'] = ''
 
 default['stash']['database']['type']     = 'mysql'
-default['stash']['database']['version']  = '5.6'
+# When not set, the defaults from mysql cookbook are used.
+# See: https://github.com/chef-cookbooks/mysql/blob/v6.0.26/libraries/helpers.rb#L414-L432
+default['stash']['database']['version']  = nil
 
 default['stash']['database']['host']     = '127.0.0.1'
 default['stash']['database']['name']     = 'stash'

recipes/database.rb

@@ -8,12 +8,12 @@
 case settings['database']['type']
 when 'mysql'
   mysql2_chef_gem 'default' do
-    client_version settings['database']['version']
+    client_version settings['database']['version'] if settings['database']['version']
     action :install
   end
 
   mysql_service 'default' do
-    version settings['database']['version']
+    version settings['database']['version'] if settings['database']['version']
     bind_address settings['database']['host']
     # See: https://github.com/chef-cookbooks/mysql/pull/361
     port settings['database']['port'].to_s