Add debian common role

common-debian/templates/etc/nftables.conf.j2

@@ -0,0 +1,25 @@
+#!/usr/sbin/nft -f
+# {{ ansible_managed }}
+
+flush ruleset
+
+table inet filter {
+        chain input {
+                type filter hook input priority 0;
+{% for rule in nftables_rules if rule.chain == "input" %}
+                {{ rule.rule }};
+{% endfor %}
+        }
+        chain forward {
+                type filter hook forward priority 0;
+{% for rule in nftables_rules if rule.chain == "forward" %}
+                {{ rule.rule }};
+{% endfor %}
+        }
+        chain output {
+                type filter hook output priority 0;
+{% for rule in nftables_rules if rule.chain == "output" %}
+                {{ rule.rule }};
+{% endfor %}
+        }
+}