# File lib/fog/bin/openstack.rb, line 17
    def [](service)
      @@connections ||= Hash.new do |hash, key|
        hash[key] = case key
        when :compute
          Fog::Logger.warning("OpenStack[:compute] is not recommended, use Compute[:openstack] for portability")
          Fog::Compute.new(:provider => 'OpenStack')
        when :identity
          Fog::Logger.warning("OpenStack[:identity] is not recommended, use Compute[:openstack] for portability")
          Fog::Compute.new(:provider => 'OpenStack')
        when :network
          Fog::Logger.warning("OpenStack[:network] is not recommended, use Network[:openstack] for portability")
          Fog::Network.new(:provider => 'OpenStack')
        else
          raise ArgumentError, "Unrecognized service: #{key.inspect}"
        end
      end
      @@connections[service]
    end