[databases]
openstack01-node02

[keystone]
openstack01-node03

[dockerregistry]
openstack01-node01

[glance-controller]
openstack01-node02

[horizon]
kolla2

[rabbitmq]
openstack01-node01
openstack01-node02
openstack01-node03

[cassandra]
openstack01-node[01:03]

[first_cassandra]
openstack01-node01

[next_cassandra]
openstack01-node02
openstack01-node03

[memcached]
openstack01-node03

[first_cassandra:vars]
run_options=""

[next_cassandra:vars]
run_options="-e CASSANDRA_SEEDS=172.23.41.1"

[nova-controller]
openstack01-node01