# File lib/fog/openstack/models/identity/tenants.rb, line 14
        def find_by_id(id)
          cached_tenant = self.find {|tenant| tenant.id == id}
          return cached_tenant if cached_tenant
          tenant_hash = service.get_tenant(id).body['tenant']
          Fog::Identity::OpenStack::Tenant.new(
            tenant_hash.merge(:service => service))
        end