mirror of
https://github.com/KevinMidboe/mktxp-no-cli.git
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77 lines
3.8 KiB
Python
77 lines
3.8 KiB
Python
# coding=utf8
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## Copyright (c) 2020 Arseniy Kuznetsov
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##
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## This program is free software; you can redistribute it and/or
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## modify it under the terms of the GNU General Public License
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## as published by the Free Software Foundation; either version 2
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## of the License, or (at your option) any later version.
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##
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## This program is distributed in the hope that it will be useful,
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## but WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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## GNU General Public License for more details.
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from collections import namedtuple
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from mktxp.datasource.base_ds import BaseDSProcessor
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class IPConnectionDatasource:
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''' IP connections data provider
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'''
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@staticmethod
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def metric_records(router_entry, *, metric_labels = None):
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if metric_labels is None:
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metric_labels = []
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try:
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answer = router_entry.api_connection.router_api().get_binary_resource('/ip/firewall/connection/').call('print', {'count-only': b''})
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# answer looks and feels like an empty list: [], but it has a special attribute `done_message`
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done_message = answer.done_message
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# `done_msg` is a dict with the return code as a key - which is the count that we are looking for
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cnt = done_message['ret'].decode()
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records = [{'count': cnt}]
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return BaseDSProcessor.trimmed_records(router_entry, router_records = records, metric_labels = metric_labels)
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except Exception as exc:
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print(f'Error getting IP connection info from router{router_entry.router_name}@{router_entry.config_entry.hostname}: {exc}')
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return None
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class IPConnectionStatsDatasource:
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''' IP connections stats data provider
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'''
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@staticmethod
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def metric_records(router_entry, *, metric_labels = None, add_router_id = True):
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if metric_labels is None:
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metric_labels = []
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try:
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connection_records = router_entry.api_connection.router_api().get_resource('/ip/firewall/connection/').call('print', \
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{'proplist':'src-address,dst-address,protocol'})
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# calculate number of connections per src-address
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connections_per_src_address = {}
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for connection_record in connection_records:
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#address, port = (connection_record['src-address'].split(':') + [None])[:2]
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address = connection_record['src-address'].split(':')[0]
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destination = f"{connection_record.get('dst-address')}({connection_record.get('protocol')})"
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count, destinations = 0, set()
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if connections_per_src_address.get(address):
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count, destinations = connections_per_src_address[address]
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count += 1
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destinations.add(destination)
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connections_per_src_address[address] = ConnStatsEntry(count, destinations)
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# compile connections-per-interface records
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records = []
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for key, entry in connections_per_src_address.items():
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record = {'src_address': key, 'connection_count': entry.count, 'dst_addresses': ', '.join(entry.destinations)}
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if add_router_id:
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for router_key, router_value in router_entry.router_id.items():
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record[router_key] = router_value
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records.append(record)
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return records
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except Exception as exc:
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print(f'Error getting IP connection stats info from router{router_entry.router_name}@{router_entry.config_entry.hostname}: {exc}')
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return None
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ConnStatsEntry = namedtuple('ConnStatsEntry', ['count', 'destinations']) |