OpenStack Installer - Single install mode with custom VM constraints

config.yaml

install_type: Single
placements:
  controller:
    assignments:
      LXC:
      - nova-cloud-controller
      - glance
      - glance-simplestreams-sync
      - openstack-dashboard
      - juju-gui
      - keystone
      - mysql
      - neutron-api
      - neutron-openvswitch
      - rabbitmq-server
      - swift-proxy
    constraints:
      # Increase the default controller cores and memory
      cpu-cores: 2
      mem: 6144
      root-disk: 20480
  nova-compute-machine-0:
    assignments:
      BareMetal:
      - nova-compute
    constraints:
      mem: 4096
      root-disk: 40960
  quantum-gateway-machine-0:
    assignments:
      BareMetal:
      - quantum-gateway
    constraints:
      mem: 2048
      root-disk: 20480
  swift-storage-machine-0:
    assignments:
      BareMetal:
      - swift-storage
    constraints: &id001 {}
  swift-storage-machine-1:
    assignments:
      BareMetal:
      - swift-storage
    constraints: *id001
  swift-storage-machine-2:
    assignments:
      BareMetal:
      - swift-storage
    constraints: *id001

Run with:

sudo openstack-install -c config.yaml