trap metadata api implementation

inventory_provider/routes/classifier.py

@@ -69,3 +69,43 @@ def juniper_addresses():
     servers = json.loads(servers.decode('utf-8'))
     jsonschema.validate(servers, backend_data_schema)
     return jsonify([s['ip_address'] for s in servers])
+
+
+@routes.route("/trap-metadata/<trap_type>/<source_equipment>/<path:interface>",
+              methods=['GET', 'POST'])
+@require_accepts_json
+def get_trap_metadata(trap_type, source_equipment, interface):
+    # todo - Move this to config
+    interface_info_key = "interface_services"
+    r = db.get_redis()
+
+    # todo - Change this to a call to the yet-to-be-created one source of all
+    #        relevant information
+    # This could be different calls dependant on vendor, in which case we may
+    # need to check the trap type, or it could be a case of a key check for
+    # each possible data source
+    interface_info = r.hget(interface_info_key,
+                            "{}::{}".format(source_equipment, interface))
+
+    if not interface_info:
+        return Response(
+            response="no available info for {} {}".format(
+                source_equipment, interface),
+            status=404,
+            mimetype="text/html")
+
+    interface_info = json.loads(interface_info.decode('utf-8'))
+
+    # todo - refactor once structure of new source is decided, currently this
+    #        is just a list of services
+    vendor = interface_info[0]['manufacturer']
+    hostname = interface_info[0]['equipment']
+    result = {
+        "vendor": vendor,
+        "equipment-name": hostname,
+        "interface-name": interface,
+        "services": interface_info,
+        "type": trap_type
+    }
+
+    return jsonify(result)