[chores] Wireguard: public_key and allowed_ips shall not be empty

Author: nemesifier

netjsonconfig/backends/openwrt/schema.py

@@ -726,7 +726,11 @@
                             "title": "allowed IPs",
                             "propertyOrder": 2,
                             "uniqueItems": True,
-                            "items": {"type": "string", "title": "IP/prefix"},
+                            "items": {
+                                "type": "string",
+                                "title": "IP/prefix",
+                                "minLength": 1,
+                            },
                         },
                         "endpoint_host": wireguard_peers["endpoint_host"],
                         "endpoint_port": wireguard_peers["endpoint_port"],

netjsonconfig/backends/wireguard/schema.py

@@ -61,12 +61,14 @@
                                     "title": "public key",
                                     "type": "string",
                                     "maxLength": 44,
+                                    "minLength": 1,
                                     "pattern": "^[^\\s]*$",
                                     "propertyOrder": 1,
                                 },
                                 "allowed_ips": {
                                     "title": "allowed IP addresses",
                                     "type": "string",
+                                    "minLength": 1,
                                     "propertyOrder": 2,
                                 },
                                 "endpoint_host": {