Merge !1500: datamodel: support interface names with dashes

Fixes #900

NEWS

+Knot Resolver 6.0.7 (2024-0m-dd)
+================================
+
+Bugfixes
+--------
+- fix listening by interface name containing dashes (#900, !1500)
+
+
 Knot Resolver 6.0.6 (2024-02-13)
 ================================
 

manager/knot_resolver_manager/datamodel/templates/macros/network_macros.lua.j2

@@ -31,7 +31,7 @@ net.listen(
 {%- if interface.addr -%}
 '{{ interface.addr }}',
 {%- elif interface.if_name -%}
-net.{{ interface.if_name }},
+net['{{ interface.if_name }}'],
 {%- endif -%}
 {%- if interface.port -%}
 {{ interface.port }},

manager/tests/unit/datamodel/templates/test_network_macros.py

@@ -26,10 +26,10 @@ def test_network_listen():
     )
 
     intrfc = ListenSchema({"interface": "eth0", "kind": "doh2"})
-    assert tmpl.render(listen=intrfc) == "net.listen(net.eth0,443,{kind='doh2',freebind=false})\n"
+    assert tmpl.render(listen=intrfc) == "net.listen(net['eth0'],443,{kind='doh2',freebind=false})\n"
     intrfc_list = ListenSchema({"interface": [intrfc.interface.to_std()[0], "lo"], "port": 5555, "kind": "doh2"})
     assert (
         tmpl.render(listen=intrfc_list)
-        == "net.listen(net.eth0,5555,{kind='doh2',freebind=false})\n"
-        + "net.listen(net.lo,5555,{kind='doh2',freebind=false})\n"
+        == "net.listen(net['eth0'],5555,{kind='doh2',freebind=false})\n"
+        + "net.listen(net['lo'],5555,{kind='doh2',freebind=false})\n"
     )