Files
mktxp-no-cli/mktxp/collector/dhcp_collector.py
2024-03-29 11:07:47 +01:00

59 lines
3.1 KiB
Python

# 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.cli.config.config import MKTXPConfigKeys
from mktxp.collector.base_collector import BaseCollector
from mktxp.datasource.dhcp_ds import DHCPMetricsDataSource
class DHCPCollector(BaseCollector):
''' DHCP Metrics collector
'''
@staticmethod
def collect(router_entry):
if not router_entry.config_entry.dhcp:
return
dhcp_lease_labels = ['active_address', 'address', 'mac_address', 'host_name', 'comment', 'server', 'expires_after', 'client_id', 'active_mac_address']
dhcp_lease_records = DHCPMetricsDataSource.metric_records(router_entry, metric_labels = dhcp_lease_labels)
if dhcp_lease_records:
# calculate number of leases per DHCP server
dhcp_lease_servers = {}
for dhcp_lease_record in dhcp_lease_records:
if dhcp_lease_record.get('server'):
dhcp_lease_servers[dhcp_lease_record['server']] = dhcp_lease_servers.get(dhcp_lease_record['server'], 0) + 1
# compile leases-per-server records
dhcp_lease_servers_records = [{ MKTXPConfigKeys.ROUTERBOARD_NAME: router_entry.router_id[MKTXPConfigKeys.ROUTERBOARD_NAME],
MKTXPConfigKeys.ROUTERBOARD_ADDRESS: router_entry.router_id[MKTXPConfigKeys.ROUTERBOARD_ADDRESS],
'server': key, 'count': value} for key, value in dhcp_lease_servers.items()]
# yield lease-per-server metrics
dhcp_lease_server_metrics = BaseCollector.gauge_collector('dhcp_lease_active_count',
'Number of active leases per DHCP server',
dhcp_lease_servers_records, 'count', ['server'])
yield dhcp_lease_server_metrics
# active lease metrics
dhcp_lease_labels.remove('expires_after')
if router_entry.config_entry.dhcp_lease:
dhcp_lease_metrics_gauge = BaseCollector.gauge_collector('dhcp_lease_info', 'DHCP Active Leases',
dhcp_lease_records, 'expires_after', dhcp_lease_labels)
yield dhcp_lease_metrics_gauge
# active lease metrics
#if router_entry.config_entry.dhcp_lease:
# dhcp_lease_metrics = BaseCollector.info_collector('dhcp_lease', 'DHCP Active Leases', dhcp_lease_records, dhcp_lease_labels)
# yield dhcp_lease_metrics