heat_template_version: rocky

description: >
  {{network.name}} network definition (automatically generated).

parameters:
  # the defaults here work for static IP assignment (IPAM) only
  {{network.name}}NetCidr:
{%- if network.ipv6 or ipv6_override %}
    default: "{{network.ipv6_subnet|default(network.ip_subnet|default(""))}}"
{%- else %}
    default: "{{network.ip_subnet|default("")}}"
{%- endif %}
    description: Cidr for the {{network.name_lower}} network.
    type: string
  {{network.name}}NetValueSpecs:
    default: {'provider:physical_network': '{{network.name_lower}}', 'provider:network_type': 'flat'}
    description: Value specs for the {{network.name_lower}} network.
    type: json
{%- if not ":" in network.ip_subnet and not network.ipv6 and not ipv6_override %}
  {{network.name}}NetEnableDHCP:
    default: false
    description: Whether to enable DHCP on the associated subnet (IPv4 only).
    type: boolean
{%- endif %}
  {{network.name}}NetAdminStateUp:
    default: false
    description: The admin state of the network.
    type: boolean
  {{network.name}}NetShared:
    default: false
    description: Whether this network is shared across all tenants.
    type: boolean
  {{network.name}}NetName:
    default: {{network.name_lower}}
    description: The name of the {{network.name_lower}} network.
    type: string
  {{network.name}}SubnetName:
    default: {{network.name_lower}}_subnet
    description: The name of the {{network.name_lower}} subnet in Neutron.
    type: string
  {{network.name}}AllocationPools:
{%- if ":" in network.ip_subnet or network.ipv6 or ipv6_override %}
    default: {{network.ipv6_allocation_pools|default(network.allocation_pools|default([]))}}
{%- else %}
    default: {{network.allocation_pools|default([])}}
{%- endif %}
    description: Ip allocation pool range for the {{network.name_lower}} network.
    type: json
{%- if ":" in network.ip_subnet or network.ipv6 or ipv6_override %}
  IPv6AddressMode:
    default: dhcpv6-stateful
    description: Neutron subnet IPv6 address mode
    type: string
  IPv6RAMode:
    default: dhcpv6-stateful
    description: Neutron subnet IPv6 router advertisement mode
    type: string
{%- endif %}
  {{network.name}}InterfaceDefaultRoute:
{%- if network.ipv6 or ipv6_override %}
    default: "{{network.gateway_ipv6|default(network.gateway_ip|default(''))}}"
{%- else %}
    default: "{{network.gateway_ip|default('')}}"
{%- endif %}
    description: default route for the {{network.name_lower}} network
    type: string
{%- if network.vlan %}
  {{network.name}}NetworkVlanID:
    default: {{network.vlan|default(1)}}
    description: Vlan ID for the {{network.name_lower}} network traffic.
    type: number
{%- endif %}
  {{network.name}}Routes:
    default: {{network.routes|default([])}}
    description: >
      Routes for the {{network.name_lower}} network traffic.
      JSON route e.g. [{'destination':'10.0.0.0/16', 'nexthop':'10.0.0.1'}]
      Routes are added to the host_routes property on the subnet in neutron
      when the network and subnet is created.
    type: json
  {{network.name}}Mtu:
    default: {{network.mtu|default('1500')}}
    description: The maximum transmission unit (MTU) size(in bytes) that is
      guaranteed to pass through the data path of the segments in the
      {{network.name}} network.
    type: number
{%- for subnet in network.subnets|default({}) if network.subnets[subnet].enabled|default(true) %}
  {{network.name}}SubnetCidr_{{subnet}}:
{%-     if network.ipv6 or ipv6_override %}
    default: "{{network.subnets[subnet]['ipv6_subnet']|default(network.subnets[subnet]['ip_subnet']|default(""))}}"
{%-     else %}
    default: "{{network.subnets[subnet]['ip_subnet']|default("")}}"
{%-     endif %}
    description: |
      Cidr for the {{network.name_lower}} network's {{subnet}} subnet.
    type: string
  {{network.name}}AllocationPools_{{subnet}}:
{%-     if ":" in network.subnets[subnet]['ip_subnet'] or network.ipv6 or ipv6_override %}
    default: {{network.subnets[subnet]['ipv6_allocation_pools']|default(network.subnets[subnet]['allocation_pools']|default([]))}}
{%-     else %}
    default: {{network.subnets[subnet]['allocation_pools']|default([])}}
{%-     endif %}
    description: |
      Ip allocation pool range for the {{network.name_lower}} network's {{subnet}} subnet.
    type: json
  {{network.name}}InterfaceDefaultRoute_{{subnet}}:
{%-     if ":" in network.subnets[subnet]['ip_subnet'] or network.ipv6 or ipv6_override %}
    default: "{{network.subnets[subnet]['gateway_ipv6']|default(network.subnets[subnet]['gateway_ip']|default([]))}}"
{%-     else %}
    default: "{{network.subnets[subnet]['gateway_ip']|default([])}}"
{%-     endif %}
    description: |
       default route for the {{network.name_lower}} network's {{subnet}} subnet.
    type: string
  {{network.name}}NetworkVlanID_{{subnet}}:
    default: {{network.subnets[subnet]['vlan']|default(1)}}
    description: |
      Vlan ID for the {{network.name_lower}} network's {{subnet}} subnet.
    type: number
  {{network.name}}Routes_{{subnet}}:
    default: {{network.subnets[subnet]['routes']|default([])}}
    description: >
      Routes for the {{subnet}} subnet on {{network.name_lower}} network
      traffic. JSON route e.g. [{'destination':'10.0.0.0/16', 'nexthop':'10.0.0.1'}]
      Routes are added to the host_routes property on the subnet in neutron
      when the subnet is created.
    type: json
{%- endfor %}

resources:
  {{network.name}}Network:
    type: OS::Neutron::Net
{%- if network.external_resource_network_id|default('') %}
    external_id: {{ network.external_resource_network_id }}
{%- endif %}
    properties:
      admin_state_up: {get_param: {{network.name}}NetAdminStateUp}
      name: {get_param: {{network.name}}NetName}
      shared: {get_param: {{network.name}}NetShared}
      value_specs:
        map_merge:
          - {get_param: {{network.name}}NetValueSpecs}
          - {'mtu': {get_param: {{network.name}}Mtu}}

  {{network.name}}Subnet:
    type: OS::Neutron::Subnet
{%- if network.external_resource_subnet_id|default('') %}
    external_id: {{ network.external_resource_subnet_id }}
{%- endif %}
    properties:
{%- if ":" in network.ip_subnet or network.ipv6 or ipv6_override %}
      ip_version: 6
      ipv6_address_mode: {get_param: IPv6AddressMode}
      ipv6_ra_mode: {get_param: IPv6RAMode}
{%- else %}
      enable_dhcp: {get_param: {{network.name}}NetEnableDHCP}
{%- endif %}
      cidr: {get_param: {{network.name}}NetCidr}
      name: {get_param: {{network.name}}SubnetName}
      network: {get_resource: {{network.name}}Network}
      allocation_pools: {get_param: {{network.name}}AllocationPools}
      gateway_ip: {get_param: {{network.name}}InterfaceDefaultRoute}
      host_routes: {get_param: {{network.name}}Routes}
{%- if network.subnets|default({}) %}
      # All networks have an implicit network segment when created, map this subnet to that segment.
      segment: {get_attr: [{{network.name}}Network, segments, 0, id]}
{%- endif %}

{% for subnet in network.subnets|default({}) if network.subnets[subnet].enabled|default(true) %}
  {{network.name}}Segment_{{subnet}}:
    type: OS::Neutron::Segment
    # NOTE(hjensas): Depends-On here to ensure we always create the base subnet
    #   first. We can only set the segment for existing subnet if there is only
    #   one segment and only one existing subnet on the network.
{%- if subnet.external_resource_segment_id|default('') %}
    external_id: {{ subnet.external_resource_segment_id }}
{%- else %}
    depends_on: {{network.name}}Subnet
{%- endif %}
    properties:
      name: {{network.name_lower}}_{{subnet}}
      network: {get_resource: {{network.name}}Network}
      network_type: flat
      physical_network: {{network.name_lower}}_{{subnet}}

  {{network.name}}Subnet_{{subnet}}:
    type: OS::Neutron::Subnet
{%- if subnet.external_resource_subnet_id|default('') %}
    external_id: {{ subnet.external_resource_subnet_id }}
{%- endif %}
    properties:
{%- if ":" in network.ip_subnet or network.ipv6 or ipv6_override %}
      ip_version: 6
      ipv6_address_mode: {get_param: IPv6AddressMode}
      ipv6_ra_mode: {get_param: IPv6RAMode}
{%- else %}
      enable_dhcp: {get_param: {{network.name}}NetEnableDHCP}
{%- endif %}
      cidr: {get_param: {{network.name}}SubnetCidr_{{subnet}}}
      name: {{subnet}}
      network: {get_resource: {{network.name}}Network}
      allocation_pools: {get_param: {{network.name}}AllocationPools_{{subnet}}}
      gateway_ip: {get_param: {{network.name}}InterfaceDefaultRoute_{{subnet}}}
      host_routes: {get_param: {{network.name}}Routes_{{subnet}}}
      segment: {get_resource: {{network.name}}Segment_{{subnet}}}
{% endfor %}

outputs:
  OS::stack_id:
    description: {{network.name_lower}} network
    value: {get_resource: {{network.name}}Network}
  network_cidrs:
    description: List of {{network.name}} network's subnets in CIDR notation.
    value:
      list_concat:
      - - {get_attr: [{{network.name}}Subnet, cidr]}
      -
{%- for subnet in network.subnets|default({}) if network.subnets[subnet].enabled|default(true) %}
        - {get_attr: [{{network.name}}Subnet_{{subnet}}, cidr]}
{%- endfor %}
