Worked around this error: Chef::Exceptions::Package: No version

specified, and no candidate version available for ruby-mysql

Apparently no ruby-mysql package available for
Red Hat Enterprise Linux Server release 6.1

mysql/recipes/client.rb

@@ -42,12 +42,6 @@
   end
 end
 
-if platform?(%w{ redhat centos fedora suse scientific amazon })
-  package 'ruby-mysql'
-elsif platform?(%w{ debian ubuntu })
-  package "libmysql-ruby"
-else
-  gem_package "mysql" do
-    action :install
-  end
+gem_package "mysql" do
+  action :install
 end