mirror of
https://github.com/KevinMidboe/mktxp-no-cli.git
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86 lines
3.2 KiB
Python
86 lines
3.2 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 prometheus_client.core import GaugeMetricFamily, CounterMetricFamily, InfoMetricFamily
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from mktxp.cli.config.config import MKTXPConfigKeys
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def get_values(record, labels, default=''):
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"""Get a set of metrics by label.
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None values are replaced with a default value.
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>>> get_values(
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... {'interface': 'cap3', 'tx_rate': '12 Mbps', 'rx_rate': '390 Mbps', 'comment': None},
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... ['interface', 'tx_rate', 'rx_rate', 'comment']
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... )
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{'interface': 'cap3', 'tx_rate': '12 Mbps', 'rx_rate': '390 Mbps', 'comment': ''}
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"""
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values = {}
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for label in labels:
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val = record.get(label)
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if val is None:
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val = default
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values[label] = val
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return values
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class BaseCollector:
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''' Base Collector methods
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For use by custom collector
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'''
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@staticmethod
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def info_collector(name, decription, router_records, metric_labels=None):
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if metric_labels is None:
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metric_labels = []
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BaseCollector._add_id_labels(metric_labels)
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collector = InfoMetricFamily(f'mktxp_{name}', decription)
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for router_record in router_records:
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label_values = get_values(router_record, metric_labels)
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collector.add_metric(metric_labels, label_values)
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return collector
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@staticmethod
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def counter_collector(name, decription, router_records, metric_key, metric_labels=None):
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if metric_labels is None:
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metric_labels = []
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BaseCollector._add_id_labels(metric_labels)
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collector = CounterMetricFamily(f'mktxp_{name}', decription, labels=metric_labels)
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for router_record in router_records:
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label_values = get_values(router_record, metric_labels)
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collector.add_metric(label_values, router_record.get(metric_key, 0))
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return collector
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@staticmethod
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def gauge_collector(name, decription, router_records, metric_key, metric_labels=None, add_id_labels = True):
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if metric_labels is None:
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metric_labels = []
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if add_id_labels:
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BaseCollector._add_id_labels(metric_labels)
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collector = GaugeMetricFamily(f'mktxp_{name}', decription, labels=metric_labels)
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for router_record in router_records:
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label_values = get_values(router_record, metric_labels)
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collector.add_metric(label_values, router_record.get(metric_key, 0))
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return collector
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# Helpers
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@staticmethod
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def _add_id_labels(metric_labels):
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metric_labels.append(MKTXPConfigKeys.ROUTERBOARD_NAME)
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metric_labels.append(MKTXPConfigKeys.ROUTERBOARD_ADDRESS)
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