core: add interface argument to peer configuration template

weegee/core.py

@@ -511,6 +511,7 @@ class WeegeeConnection(WeegeeBase):
 
         template = Template.load(self.context.instance, template_meta.get_name())
         config = template_meta.make_config(self.context.instance,
+            interface=target.interface.item,
             connection=self.item,
             peers={p.name: p.item for p in peers},
         )

weegee/desc.py

@@ -193,7 +193,7 @@ AllowedIPs = {{ ((peer.interface.addresses | map(attribute='network') | list) +
 PersistentKeepalive = 30
 {% endfor -%}
 """.strip(),
-    variables={'connection': WEEGEE_CONNECTION, 'peers': {str: WEEGEE_PEER}},
+    variables={'interface': WEEGEE_INTERFACE, 'connection': WEEGEE_CONNECTION, 'peers': {str: WEEGEE_PEER}},
 )
 
 WEEGEE_CONF_WG = WeegeeTemplate(