mirror of
https://github.com/KevinMidboe/mktxp-no-cli.git
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47 lines
2.3 KiB
Python
47 lines
2.3 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 mktxp.cli.config.config import MKTXPConfigKeys
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from mktxp.collectors.base_collector import BaseCollector
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from mktxp.router_metric import RouterMetric
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class DHCPCollector(BaseCollector):
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''' DHCP Metrics collector
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'''
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@staticmethod
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def collect(router_metric):
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dhcp_lease_labels = ['active_address', 'mac_address', 'host_name', 'comment', 'server', 'expires_after']
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dhcp_lease_records = router_metric.dhcp_lease_records(dhcp_lease_labels)
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if not dhcp_lease_records:
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return
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# calculate number of leases per DHCP server
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dhcp_lease_servers = {}
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for dhcp_lease_record in dhcp_lease_records:
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dhcp_lease_servers[dhcp_lease_record['server']] = dhcp_lease_servers.get(dhcp_lease_record['server'], 0) + 1
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# compile leases-per-server records
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dhcp_lease_servers_records = [{ MKTXPConfigKeys.ROUTERBOARD_NAME: router_metric.router_id[MKTXPConfigKeys.ROUTERBOARD_NAME],
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MKTXPConfigKeys.ROUTERBOARD_ADDRESS: router_metric.router_id[MKTXPConfigKeys.ROUTERBOARD_ADDRESS],
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'server': key, 'count': value} for key, value in dhcp_lease_servers.items()]
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# yield lease-per-server metrics
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dhcp_lease_server_metrics = BaseCollector.gauge_collector('dhcp_lease_active_count', 'Number of active leases per DHCP server', dhcp_lease_servers_records, 'count', ['server'])
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yield dhcp_lease_server_metrics
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# active lease metrics
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if router_metric.router_entry.dhcp_lease:
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dhcp_lease_metrics = BaseCollector.info_collector('dhcp_lease', 'DHCP Active Leases', dhcp_lease_records, dhcp_lease_labels)
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yield dhcp_lease_metrics
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