Timotej Lazar
ce7c1bd49e
Mostly to avoid special‐casing bond interfaces, and to support BGP connections over virtual interfaces.
106 lines
3.5 KiB
Django/Jinja
106 lines
3.5 KiB
Django/Jinja
{% set lo_address = interfaces
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| selectattr('name', '==', 'lo')
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| map(attribute='ip_addresses') | first
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| selectattr('role') | selectattr('role.value', '==', 'loopback')
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| map(attribute='address') %}
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{% set iface_bgp = interfaces
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| selectattr('enabled')
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| rejectattr('type.value', 'in', ('bridge', 'lag'))
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| rejectattr('mgmt_only') | rejectattr('bridge') | rejectattr('lag') %}
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{% set iface_server = iface_bgp | selectattr('custom_fields.tenant') %}
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{% set iface_fabric = iface_bgp | difference(iface_server) | rejectattr('ip_addresses') %}
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{% set my_tenants = iface_server | map(attribute='custom_fields.tenant.slug') | unique -%}
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frr defaults datacenter
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log syslog informational
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service integrated-vtysh-config
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# Route installation into kernels fails (rarely) without this option.
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# It is not documented anywhere and appears to be a Cumulus extension.
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zebra nexthop proto only
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router-id {{ lo_address | ipv4 | first | ipaddr('address') }}
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router bgp {{ asn.asn }}
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bgp bestpath as-path multipath-relax
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neighbor fabric peer-group
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neighbor fabric remote-as external
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{% for interface in iface_fabric %}
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neighbor {{ interface.name }} interface peer-group fabric
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neighbor {{ interface.name }} bfd 3 150 150
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{% endfor %}
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{% for tenant in my_tenants %}
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neighbor dc-{{ tenant }} peer-group
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neighbor dc-{{ tenant }} remote-as external
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{% for interface in iface_server | selectattr('custom_fields.tenant.slug', '==', tenant) %}
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neighbor {{ interface.name }} interface peer-group dc-{{ tenant }}
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neighbor {{ interface.name }} bfd
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{% endfor %}
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{% endfor %}
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address-family ipv4 unicast
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redistribute connected route-map loopbacks
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neighbor fabric activate
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{% for tenant in my_tenants %}
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neighbor dc-{{ tenant }} activate
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neighbor dc-{{ tenant }} route-map dc-{{ tenant }}->default in
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neighbor dc-{{ tenant }} route-map default->dc out
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{% endfor %}
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exit-address-family
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address-family ipv6 unicast
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redistribute connected route-map loopbacks
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neighbor fabric activate
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{% for tenant in my_tenants %}
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neighbor dc-{{ tenant }} activate
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neighbor dc-{{ tenant }} route-map dc-{{ tenant }}->default in
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neighbor dc-{{ tenant }} route-map default->dc out
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{% endfor %}
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exit-address-family
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address-family l2vpn evpn
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neighbor fabric activate
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{% for iface in ifaces_evpn|default([]) %}
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neighbor {{ iface }} activate
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{% endfor %}
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{% if peer is defined and interfaces | selectattr('mode') %}
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advertise-all-vni
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{% endif %}
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exit-address-family
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route-map loopbacks permit 10
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match interface lo
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{% if my_tenants %}
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ip prefix-list default permit 0.0.0.0/0
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ipv6 prefix-list default permit ::/0
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{% for tenant in my_tenants %}
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{% for prefix in query('netbox.netbox.nb_lookup', 'prefixes', raw_data=true, api_filter='tenant='~tenant)
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| selectattr('role') | selectattr('role.slug', '==', 'bgp') | rejectattr('vlan') %}
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{% if prefix.family.value == 4 %}
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ip prefix-list dc-{{ tenant }} permit {{ prefix.prefix }} ge 32
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{% else %}
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ipv6 prefix-list dc-{{ tenant }} permit {{ prefix.prefix }} ge 64
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{% endif %}
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{% endfor %}
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{% endfor %}
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# We only announce the default route to DC servers.
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route-map default->dc permit 10
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match ip address prefix-list default
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route-map default->dc permit 11
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match ipv6 address prefix-list default
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{% for tenant in my_tenants %}
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route-map dc-{{ tenant }}->default permit 10
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match ip address prefix-list dc-{{ tenant }}
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route-map dc-{{ tenant }}->default permit 11
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match ipv6 address prefix-list dc-{{ tenant }}
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{% endfor %}
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{% endif %}
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