Remove hardcoded localhost for mysql host param

Currently we have hardcoded the mysql database host to be localhost.
This should not be necessary if mysql is configured correctly. As
decisions about database configuration are outside the scope of this
cookbook, removing the hardcoded value.

Change-Id: I13a4ed271229793e634858fc2a41502e11f2fac5

CHANGELOG.md

@@ -2,6 +2,9 @@
 
 This file is used to list changes made in each version of cookbook-openstack-common.
 
+## 0.4.2:
+* Remove hardcoded localhost for mysql host specification.
+
 ## 0.4.1:
 * Changed endpoint attributes to use http for default scheme.  this is inline with
   default settings in keystone.  fine for dev,  but should be ssl for prod.

libraries/database.rb

@@ -53,8 +53,6 @@ module ::Openstack
         user_prov = ::Chef::Provider::Database::MysqlUser
         super_user = "root"
 
-        # For some reason, setting this to anything other than localhost fails miserably :(
-        host = "localhost"
         if root_user_use_databag
           user_key = node['openstack']['db']['root_user_key']
           super_password = user_password user_key

metadata.rb

@@ -4,7 +4,7 @@ maintainer_email "cookbooks@lists.tfoundry.com"
 license          "Apache 2.0"
 description      "Common OpenStack attributes, libraries and recipes."
 long_description IO.read(File.join(File.dirname(__FILE__), 'README.md'))
-version          "0.4.1"
+version          "0.4.2"
 
 recipe           "openstack-common", "Installs/Configures common recipes"
 recipe           "openstack-common::logging", "Installs/Configures common logging"