firewall: T8761: re-introduce VRF interface names in generated firewall config

This change re-implements the intended behaviour from T4180 aswell as from
T4506, it ensures that both the vrf-member interface aswell as the vrf itself
is added as an oifname -> meaning that traffic traversing and originating from
withing VyOS is matches outbound.

Changes done by c-po:
* re-sort dependency list to keep diff low
* vyos.configdict.is_vrf_changed() should return early and not carry
  over the to-be return value
* keep common coding style (dict by . separation) in nftables-zone.j2

Co-authored-by: Christian Breunig <christian@breunig.cc>

1 files changed, 7 insertions, 2 deletions

diff --git a/src/conf_mode/interfaces_vxlan.py b/src/conf_mode/interfaces_vxlan.py
index 86e885807..1dab47b4a 100755
--- a/src/conf_mode/interfaces_vxlan.py
+++ b/src/conf_mode/interfaces_vxlan.py
@@ -23,6 +23,7 @@ from vyos.configdep import call_dependents
 from vyos.configdict import get_interface_dict
 from vyos.configdict import leaf_node_changed
 from vyos.configdict import is_node_changed
+from vyos.configdict import is_vrf_changed
 from vyos.configdict import node_changed
 from vyos.configverify import verify_address
 from vyos.configverify import verify_bridge_delete
@@ -89,6 +90,10 @@ def get_config(config=None):
     if 'static_arp' in vxlan:
         set_dependents('static_arp', conf)
 
+    # Check vrf membership, to ensure firewall is updated
+    if is_vrf_changed(conf, ifname):
+        set_dependents('firewall', conf)
+
     return vxlan
 
 def verify(vxlan):
@@ -257,8 +262,8 @@ def apply(vxlan):
         v = VXLANIf(**vxlan)
         v.update(vxlan)
 
-    if 'static_arp' in vxlan:
-        call_dependents()
+    # run the dependents
+    call_dependents()
 
     return None