---
# VLAN Mappings
_az_vlan_mappings:
  az1:
    management: 10
    storage: 20
    tunnel: 30
    public-api: 400
  az2:
    management: 10
    storage: 21
    tunnel: 31
    public-api: 400
  az3:
    management: 10
    storage: 22
    tunnel: 32
    public-api: 400

# Bonding interfaces
_bond0_interfaces:
  - eth0
  - eth1

# NETDEV defenition
_systemd_networkd_default_devices:
  - NetDev:
      Name: vlan-mgmt
      Kind: vlan
    VLAN:
      Id: "{{ _az_vlan_mappings[az_name]['management'] }}"
    filename: 10-openstack-vlan-mgmt
  - NetDev:
      Name: bond0
      Kind: bond
    Bond:
      Mode: 802.3ad
      TransmitHashPolicy: layer3+4
      LACPTransmitRate: fast
      MIIMonitorSec: 100
    filename: 05-general-bond0
  - NetDev:
      Name: "{{ management_bridge }}"
      Kind: bridge
    Bridge:
      ForwardDelaySec: 0
      HelloTimeSec: 2
      MaxAgeSec: 12
      STP: off
    filename: "11-openstack-{{ management_bridge }}"

_systemd_networkd_storage_devices:
  - NetDev:
      Name: vlan-stor
      Kind: vlan
    VLAN:
      Id: "{{ _az_vlan_mappings[az_name]['storage'] }}"
    filename: 12-openstack-vlan-stor
  - NetDev:
      Name: br-storage
      Kind: bridge
    Bridge:
      ForwardDelaySec: 0
      HelloTimeSec: 2
      MaxAgeSec: 12
      STP: off
    filename: 13-openstack-br-storage

_systemd_networkd_tunnel_devices:
  - NetDev:
      Name: vlan-tunnel
      Kind: vlan
    VLAN:
      Id: "{{ _az_vlan_mappings[az_name]['tunnel'] }}"
    filename: 16-openstack-vlan-tunnel

_systemd_networkd_pub_api_devices:
  - NetDev:
      Name: vlan-public-api
      Kind: vlan
    VLAN:
      Id: "{{ _az_vlan_mappings[az_name]['public-api'] }}"
    filename: 17-openstack-vlan-public-api
  - NetDev:
      Name: br-public-api
      Kind: bridge
    Bridge:
      ForwardDelaySec: 0
      HelloTimeSec: 2
      MaxAgeSec: 12
      STP: off
    filename: 18-openstack-br-public-api

openstack_hosts_systemd_networkd_devices: |-
  {% set devices = [] %}
  {% if is_metal %}
  {%   set _ = devices.extend(_systemd_networkd_default_devices) %}
  {%   if inventory_hostname in (groups['compute_hosts'] + groups['storage_hosts']) %}
  {%     set _ = devices.extend(_systemd_networkd_storage_devices) %}
  {%   endif %}
  {%   if inventory_hostname in (groups[az_name ~ '_ceph_mon_hosts'] + groups[az_name ~ '_ceph_osd_hosts']) %}
  {%     set _ = devices.extend(_systemd_networkd_cluster_devices) %}
  {%   endif %}
  {%   if inventory_hostname in groups['compute_hosts'] %}
  {%     set _ = devices.extend(_systemd_networkd_tunnel_devices) %}
  {%   endif %}
  {%   if inventory_hostname in groups['haproxy_hosts'] %}
  {%     set _ = devices.extend(_systemd_networkd_pub_api_devices) %}
  {%   endif %}
  {% endif %}
  {{ devices }}

# NETWORK definition

# NOTE: this can work only in case management network has the same netmask as all other networks
#       while in example manaement is /22 while rest are /24
# _management_rank: "{{ management_address | ansible.utils.ipsubnet(hostvars[inventory_hostname]['cidr_networks']['management']) }}"
_management_rank: "{{ (management_address | split('.'))[-1] }}"

# NOTE: `05` is prefixed to filename to have precedence over netplan
_systemd_networkd_bonded_networks: |-
  {% set struct = [] %}
  {% for interface in _bond0_interfaces %}
  {%   set interface_data = ansible_facts[interface | replace('-', '_')] %}
  {%   set _ = struct.append({
                'interface': interface_data['device'],
                'filename' : '05-general-' ~ interface_data['device'],
                'bond': 'bond0',
                'link_config_overrides': {
                  'Match': {
                    'MACAddress': interface_data['macaddress']
                  }
                }
               })
  %}
  {% endfor %}
  {% set bond_vlans = ['vlan-mgmt'] %}
  {% if inventory_hostname in (groups['compute_hosts'] + groups['storage_hosts']) %}
  {%   set _ = bond_vlans.append('vlan-stor') %}
  {% endif %}
  {% if inventory_hostname in groups['haproxy_hosts'] %}
  {%   set _ = bond_vlans.append('vlan-public-api') %}
  {% endif %}
  {% if inventory_hostname in groups['compute_hosts'] %}
  {%   set _ = bond_vlans.append('vlan-tunnel') %}
  {% endif %}
  {% set _ = struct.append({
              'interface': 'bond0',
              'filename': '05-general-bond0',
              'vlan': bond_vlans
            })
  %}
  {{ struct }}

_systemd_networkd_mgmt_networks:
  - interface: "vlan-mgmt"
    bridge: "{{ management_bridge }}"
    filename: 10-openstack-vlan-mgmt
  - interface: "{{ management_bridge }}"
    address: "{{ management_address }}"
    netmask: "{{ cidr_networks['management'] | ansible.utils.ipaddr('netmask') }}"
    filename: "11-openstack-{{ management_bridge }}"

_systemd_networkd_storage_networks:
  - interface: "vlan-stor"
    bridge: "br-storage"
    filename: 12-openstack-vlan-stor
  - interface: "br-storage"
    address: "{{ cidr_networks['storage_' ~ az_name] | ansible.utils.ipmath(_management_rank) }}"
    netmask: "{{ cidr_networks['storage_' ~ az_name] | ansible.utils.ipaddr('netmask') }}"
    filename: "13-openstack-br-storage"

_systemd_networkd_tunnel_networks:
  - interface: "vlan-tunnel"
    filename: 16-openstack-vlan-tunnel
    address: "{{ cidr_networks['tunnel_' ~ az_name] | ansible.utils.ipmath(_management_rank) }}"
    netmask: "{{ cidr_networks['tunnel_' ~ az_name] | ansible.utils.ipaddr('netmask') }}"
    static_routes: |-
      {% set routes = [] %}
      {% set tunnel_cidrs = cidr_networks | dict2items | selectattr('key', 'match', 'tunnel_az[0-9]') | map(attribute='value') %}
      {% set gateway = cidr_networks['tunnel_' ~ az_name] | ansible.utils.ipaddr('1') | ansible.utils.ipaddr('address') %}
      {% for cidr in tunnel_cidrs | reject('eq', cidr_networks['tunnel_' ~ az_name]) %}
      {%   set _ = routes.append({'cidr': cidr, 'gateway': gateway}) %}
      {% endfor %}
      {{ routes }}

_systemd_networkd_pub_api_networks:
  - interface: "vlan-public-api"
    bridge: "br-public-api"
    filename: 17-openstack-vlan-public-api
  - interface: "br-public-api"
    filename: "18-openstack-br-public-api"

openstack_hosts_systemd_networkd_networks: |-
  {% set networks = [] %}
  {% if is_metal %}
  {%   set _ = networks.extend(_systemd_networkd_mgmt_networks + _systemd_networkd_bonded_networks) %}
  {%   if inventory_hostname in (groups['compute_hosts'] + groups['storage_hosts']) %}
  {%     set _ = networks.extend(_systemd_networkd_storage_networks) %}
  {%   endif %}
  {%   if inventory_hostname in groups['compute_hosts'] %}
  {%     set _ = networks.extend(_systemd_networkd_tunnel_networks) %}
  {%   endif %}
  {%   if inventory_hostname in groups['haproxy_hosts'] %}
  {%     set _ = networks.extend(_systemd_networkd_pub_api_networks) %}
  {%   endif %}
  {% endif %}
  {{ networks }}