cfn_api Cloudformation-compatible API clients_backends client backends clients_ceilometer ceilometer clients clients_cinder cinder clients clients_glance glance clients clients_heat heat clients clients_keystone keystone clients clients_neutron neutron clients clients_nova nova clients clients_swift swift clients clients_trove trove clients cloudwatch_api CloudWatch API crypt crypt loadbalancer load balancer metadata_api metadata API waitcondition_api waitcondition API