adds optional public IP address metric

mktxp/collector/public_ip_collector.py

@@ -0,0 +1,31 @@
+# coding=utf8
+## Copyright (c) 2020 Arseniy Kuznetsov
+##
+## This program is free software; you can redistribute it and/or
+## modify it under the terms of the GNU General Public License
+## as published by the Free Software Foundation; either version 2
+## of the License, or (at your option) any later version.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License for more details.
+
+
+from mktxp.collector.base_collector import BaseCollector
+from mktxp.datasource.public_ip_ds import PublicIPAddressDatasource
+
+
+class PublicIPAddressCollector(BaseCollector):
+    '''Public IP address collector'''
+    @staticmethod
+    def collect(router_entry):
+        if not router_entry.config_entry.public_ip:
+            return
+
+        address_labels = ['public_address', ]
+        address_records = PublicIPAddressDatasource.metric_records(router_entry, metric_labels=address_labels)
+        if address_records:
+            address_metrics = BaseCollector.info_collector('public_ip_address', 'Public IP address', address_records, address_labels)
+            yield address_metrics
+