r/unifi: Open firewall port for syslog server

The Unifi Network controller runs a syslog server (listening on UDP port
5514) where Unifi devices can send their logs.  We need to open the port
in the firewall in order for it to receive log messages and write them
to disk.

roles/unifi/tasks/deploy.yml

@@ -30,6 +30,16 @@
   tags:
   - firewalld
 
+- name: ensure firewall is configured for unifi syslog
+  firewalld:
+    port: 5514/udp
+    permanent: true
+    immediate: true
+    state: enabled
+  when: host_uses_firewalld|d(true)|bool
+  tags:
+  - firewalld
+
 - name: ensure caddy is configured to proxy for unifi
   template:
     src: unifi.caddyfile.j2