{# Routing and VXLAN functionnalities #}
service routing protocols model multi-agent
ip routing

{# Interfaces configuration #}
{%- for interface in device.interfaces.all() %}
interface {{ interface.name }}
{%- if interface.description %}
 description {{ interface.description }}
{%- endif %}
{%- if interface.name == 'Loopback0' %}
 description VTEP
{%- endif %}
{%- if interface.name == 'Ethernet3' %}
 switchport mode trunk
 no shutdown
 mtu 9214
{%- else %}
 no shutdown
 no switchport
{%- set ip_address = interface.ip_addresses.first() %}
{%- if ip_address %}
 ip address {{ ip_address.address }}
{%- endif %}
 mtu 9214
{%- endif %}
!
{%- endfor %}

{# BGP Route-Maps and Prefix Lists #}
{%- set loopback_ip = device.interfaces.get(name='Loopback0').ip_addresses.first().address %}
ip prefix-list VTEP_PREFIX seq 10 permit {{ loopback_ip }}
!
route-map RMAP_VTEP permit 10
 match ip address prefix-list VTEP_PREFIX
!

{# Complete BGP Configuration #}
{%- set router_id = loopback_ip.ip %}
router bgp {{ device.custom_field_data.ASN }}
 router-id {{ router_id }}
 maximum-paths 4 ecmp 4
 !
 neighbor SPINE_GROUP peer group
 neighbor SPINE_GROUP allowas-in 1
 neighbor SPINE_GROUP ebgp-multihop 4
 neighbor SPINE_GROUP send-community extended
 neighbor SPINE_GROUP maximum-routes 12000
 !
 neighbor VTEP_GROUP peer group
 neighbor VTEP_GROUP ebgp-multihop 5
 neighbor VTEP_GROUP send-community extended
{%- for interface in device.interfaces.all() %}
{%- if interface.connected_endpoints and interface.name != 'Ethernet3' and interface.name != 'Loopback0' %}
{%- set local_ip = interface.ip_addresses.first() %}
{%- if local_ip %}
{%- for remote_interface in interface.connected_endpoints %}
{%- set remote_ip = remote_interface.ip_addresses.first() %}
{%- if remote_ip %}
 neighbor {{ remote_ip.address.ip }} peer group SPINE_GROUP
 neighbor {{ remote_ip.address.ip }} remote-as {{ remote_interface.device.custom_field_data.ASN }}
{%- endif %}
{%- endfor %}
{%- endif %}
{%- endif %}
{%- endfor %}
{%- set other_leafs = device.site.devices.filter(role__slug='leaf').exclude(id=device.id) %}
{%- for leaf in other_leafs %}
{%- set leaf_lo = leaf.interfaces.get(name='Loopback0').ip_addresses.first() %}
{%- if leaf_lo %}
 neighbor {{ leaf_lo.address.ip }} peer group VTEP_GROUP
 neighbor {{ leaf_lo.address.ip }} remote-as {{ leaf.custom_field_data.ASN }}
 neighbor {{ leaf_lo.address.ip }} update-source Loopback0
{%- endif %}
{%- endfor %}
 !
 address-family ipv4
{%- for interface in device.interfaces.all() %}
{%- if interface.connected_endpoints and interface.name != 'Ethernet3' and interface.name != 'Loopback0' %}
{%- set local_ip = interface.ip_addresses.first() %}
{%- if local_ip %}
{%- for remote_interface in interface.connected_endpoints %}
{%- set remote_ip = remote_interface.ip_addresses.first() %}
{%- if remote_ip %}
  neighbor {{ remote_ip.address.ip }} activate
{%- endif %}
{%- endfor %}
{%- endif %}
{%- endif %}
{%- endfor %}
  redistribute connected route-map RMAP_VTEP
 !
 address-family evpn
{%- for leaf in other_leafs %}
{%- set leaf_lo = leaf.interfaces.get(name='Loopback0').ip_addresses.first() %}
{%- if leaf_lo %}
  neighbor {{ leaf_lo.address.ip }} activate
{%- endif %}
{%- endfor %}
!

{# VXLAN Configuration #}
{%- if device.location and device.location.tenant %}
{%- set tenant = device.location.tenant %}
{%- set tenant_vlans = tenant.vlans.all() %}
{%- set tenant_prefix = tenant.prefixes.first() %}
{%- set tenant_l2vpns = tenant.l2vpns.filter(type='vxlan-evpn') %}
{%- set loopback_ip = device.interfaces.get(name='Loopback0').ip_addresses.first().address.ip %}
ip virtual-router mac-address 00:0a:bc:10:11:02
!
{%- for vlan in tenant_vlans %}
vlan {{ vlan.vid }}
 name IRB_{{ tenant.name|upper }}_SERVICE
!
interface Vlan{{ vlan.vid }}
 description {{ tenant.name }} Service Interface
 vrf {{ tenant.name|upper }}
{%- if tenant_prefix %}
{%- set network = tenant_prefix.prefix.network %}
{%- set first_ip = network + 1 %}
 ip address virtual {{ first_ip }}/{{ tenant_prefix.prefix.prefixlen }}
{%- endif %}
!
{%- endfor %}

{%- set spine_loopbacks = [] %}
{%- for spine in device.site.devices.filter(role__slug='spine') %}
{%- set spine_lo = spine.interfaces.get(name='Loopback0').ip_addresses.first() %}
{%- if spine_lo %}
{%- set _ = spine_loopbacks.append(spine_lo.address.ip) %}
{%- endif %}
{%- endfor %}

{%- for l2vpn in tenant_l2vpns %}
{%- set vxlan_index = loop.index %}
interface Vxlan{{ vxlan_index }}
 description VTI
 vxlan source-interface Loopback0
{%- for vlan in tenant_vlans %}
 vxlan vlan {{ vlan.vid }} vni {{ l2vpn.identifier }}
{%- for spine_ip in spine_loopbacks %}
 vxlan vlan {{ vlan.vid }} flood vtep {{ spine_ip }}
{%- endfor %}
{%- endfor %}
!
{%- endfor %}

router bgp {{ device.custom_field_data.ASN }}
{%- for vlan in tenant_vlans %}
{%- set l2vpn = tenant_l2vpns.first() %}
{%- if l2vpn %}
 vlan {{ vlan.vid }}
  rd {{ loopback_ip }}:{{ l2vpn.identifier }}
  route-target both {{ l2vpn.identifier }}:{{ vlan.vid }}
  redistribute learned
{%- endif %}
{%- endfor %}
{%- endif %}