series: xenial comment: - 'machines section to decide order of deployment. database sooner = faster' machines: '0': constraints: mem=3072M '1': '2': relations: - ["keystone:shared-db", "mysql:shared-db"] - ["glance:shared-db", "mysql:shared-db"] - ["glance:identity-service", "keystone:identity-service"] applications: mysql: charm: cs:~openstack-charmers-next/percona-cluster num_units: 1 to: - '0' keystone: charm: cs:~openstack-charmers-next/keystone num_units: 1 to: - '1' glance: charm: ../../../glance num_units: 1 to: - '2'