added optional info field to gws direct input & output config schema

inventory_provider/config.py

@@ -111,6 +111,7 @@ CONFIG_SCHEMA = {
         'gws-direct-interface': {
             'type': 'object',
             'properties': {
+                'info': {'type': 'string'},
                 'tag': {'type': 'string'},
                 'counters': {'$ref': '#/definitions/gws-direct-counters'}
             },

inventory_provider/routes/poller.py

@@ -309,7 +309,8 @@ GWS_DIRECT_DATA_SCHEMA = {
                     'type': 'array',
                     'items': {'$ref': '#/definitions/counter'},
                     'minItems': 1
-                }
+                },
+                'info': {'type': 'string'}
             },
             'required': [
                 'nren', 'isp', 'hostname', 'tag', 'counters'],
@@ -1003,7 +1004,7 @@ def gws_direct():
                                 snmp_params['priv'] = host['priv']
                     for ifc in host['interfaces']:
 
-                        yield {
+                        ifc_data = {
                             'nren': nren_isp['nren'],
                             'isp': nren_isp['isp'],
                             'hostname': host['hostname'],
@@ -1016,6 +1017,8 @@ def gws_direct():
                                 }
                                 for k, v in ifc['counters'].items()]
                         }
+                        if 'info' in ifc:
+                            ifc_data['info'] = ifc['info']
 
         result = json.dumps(list(_interfaces()))