adds connections datasource/collector

mktxp/collector/connection_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.connection_ds import IPConnectionDatasource
+
+
+class IPConnectionCollector(BaseCollector):
+    ''' IP Connection Metrics collector
+    '''    
+    @staticmethod
+    def collect(router_entry):
+        if not router_entry.config_entry.connections:
+           return
+           
+        connection_records = IPConnectionDatasource.metric_records(router_entry, metric_labels = [])
+        if connection_records:
+
+            connection_metrics = BaseCollector.gauge_collector('ip_connections_total', 'Number of IP connections', connection_records, 'count',)
+            yield connection_metrics