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Query prefixes once for all hosts

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And group them into vrf_prefixes for VLAN networks and bgp_prefixes for
servers plugged directly into fabric.

This should reduce the number of queries to NetBox when configuring
firewalls and exit switches. Not sure but I think set_fact helps to
avoid queries (as opposed to setting group_vars).
This commit is contained in:
Timotej Lazar 2024-04-28 10:59:32 +02:00
parent 1c0709a6a6
commit 457ab7d3b7
10 changed files with 52 additions and 50 deletions
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8
roles/firewall/templates/nftables.nft.j2
View file

@ -81,13 +81,13 @@ table inet filter {
comment "Forward DNAT traffic for servers and suchlike"
# Forward IPv4 to/from VPN users in the same network.
{% for vlan in vlans %}
iif @inside ip saddr @{{ vlan.name }} ip daddr @{{ vlan.name }} accept
{% for vlan in vrf_prefixes | selectattr('family.value', '==', 4) | map(attribute='vlan.name') | unique %}
iif @inside ip saddr @{{ vlan }} ip daddr @{{ vlan }} accept
{% endfor %}
# Forward IPv6 to/from VPN users in the same network.
{% for vlan in vlans %}
iif @inside ip6 saddr @{{ vlan.name }}/6 ip6 daddr @{{ vlan.name }}/6 accept
{% for vlan in vrf_prefixes | selectattr('family.value', '==', 6) | map(attribute='vlan.name') | unique %}
iif @inside ip6 saddr @{{ vlan }}/6 ip6 daddr @{{ vlan }}/6 accept
{% endfor %}
include "/etc/nftables.d/forward.nft*"