/etc/netplan/01-netcfg.yaml

# This file describes the network interfaces available on your system
# For more information, see netplan(5).
network:
  version: 2
  renderer: networkd
  ethernets:
    enp3s0:
      dhcp4: false
      dhcp6: false
    enp4s0:
      dhcp4: false
      dhcp6: false
  bonds:
    bond0:
      interfaces:
        - enp3s0
        - enp4s0
      parameters:
        mode: 802.3ad
  vlans:
    vlan.1:
      id: 1
      link: bond0
    vlan.10:
      id: 10
      link: bond0
    vlan.18:
      id: 18
      link: bond0
  bridges:
     br-mgmt:
       interfaces:
         - vlan.1
       dhcp4: false
       dhcp6: false
       addresses:
         - {{ network_mgmt }}
       gateway4: 10.1.0.1
       nameservers:
         addresses:
           - 1.0.0.1
           - 1.1.1.1
           - 8.8.4.4
           - 8.8.8.8
     br-storage:
       interfaces:
         - vlan.18
       dhcp4: false
       dhcp6: false
       addresses:
         - {{ network_storage }}
     br-vlan:
       interfaces:
         - vlan.10
       dhcp4: false
       dhcp6: false

/etc/openstack_deploy/openstack_user_config.yml

cidr_networks:
  container: 10.1.0.0/24
  storage: 10.1.1.0/24
used_ips:
  - "10.1.0.1,10.1.0.132"
  - "10.1.0.164,10.1.0.254"
global_overrides:
  internal_lb_vip_address: 10.1.0.100
  management_bridge: br-mgmt
  provider_networks:
    - network:
      group_binds:
        - all_containers
        - hosts
      type: "raw"
      container_bridge: "br-mgmt"
      container_interface: "eth1"
      container_type: "veth"
      ip_from_q: "container"
      is_container_address: true
    - network:
      group_binds:
        - glance_api
        - cinder_api
        - cinder_volume
        - nova_compute
      type: "raw"
      container_bridge: "br-storage"
      container_type: "veth"
      container_interface: "eth2"
      container_mtu: "9000"
      ip_from_q: "storage"
    - network:
      group_binds:
        - neutron_linuxbridge_agent
      container_bridge: "br-vlan"
      container_type: "veth"
      container_interface: "eth3"
      host_bind_override: "eth3"
      type: "flat"
      net_name: "flat"
infrastructure_hosts: &infrastructure_hosts
  OpenStack-0:
    ip: 10.1.0.102
  OpenStack-1:
    ip: 10.1.0.103
  OpenStack-2:
    ip: 10.1.0.104
# haproxy
haproxy_hosts: *infrastructure_hosts
# ceph
ceph-mon_hosts: *infrastructure_hosts
ceph-osd_hosts: *infrastructure_hosts
# galera, memcache, rabbitmq, utility
shared-infra_hosts: *infrastructure_hosts
# repository (apt cache, python packages, etc)
repo-infra_hosts: *infrastructure_hosts
# glance, nova, heat, horizon
os-infra_hosts: *infrastructure_hosts
# keystone
identity_hosts: *infrastructure_hosts
# neutron
network_hosts: *infrastructure_hosts
# nova
compute_hosts: *infrastructure_hosts
# storage
storage-infra_hosts: *infrastructure_hosts
storage_hosts: *infrastructure_hosts

/etc/openstack_deploy/user_variables.yml

# Because we have three haproxy nodes, we need
# to one active LB IP, and we use keepalived for that.
## Load Balancer Configuration (haproxy/keepalived)
haproxy_keepalived_external_vip_cidr: "198.60.81.0/28"
haproxy_keepalived_internal_vip_cidr: "10.1.0.0/24"
haproxy_keepalived_external_interface: br-vlan
haproxy_keepalived_internal_interface: br-mgmt

## Ceph cluster fsid (must be generated before first run)
## Generate a uuid using: python -c 'import uuid; print(str(uuid.uuid4()))'
generate_fsid: false
fsid: d948cc42-0fa1-4653-bdbd-8ff32bd80e89 # Replace with your generated UUID

## ceph-ansible settings
## See https://github.com/ceph/ceph-ansible/tree/master/group_vars for
## additional configuration options availble.
monitor_address_block: "{{ cidr_networks.container }}"
public_network: "{{ cidr_networks.container }}"
cluster_network: "{{ cidr_networks.storage }}"
osd_scenario: collocated
journal_size: 10240 # size in MB
# ceph-ansible automatically creates pools & keys for OpenStack services
openstack_config: true
cinder_ceph_client: cinder
glance_ceph_client: glance
glance_default_store: rbd
glance_rbd_store_pool: images
nova_libvirt_images_rbd_pool: vms

cinder_backends:
  RBD:
    volume_driver: cinder.volume.drivers.rbd.RBDDriver
    rbd_pool: volumes
    rbd_ceph_conf: /etc/ceph/ceph.conf
    rbd_store_chunk_size: 8
    volume_backend_name: rbddriver
    rbd_user: "{{ cinder_ceph_client }}"
    rbd_secret_uuid: "{{ cinder_ceph_client_uuid }}"
    report_discard_supported: true