mirror of
https://github.com/KevinMidboe/mktxp-no-cli.git
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56 lines
2.6 KiB
Python
56 lines
2.6 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.datasource.base_ds import BaseDSProcessor
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from mktxp.utils.utils import parse_mkt_uptime
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class DHCPMetricsDataSource:
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''' DHCP Metrics 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, dhcp_cache = True, translate = True, bound = False):
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if metric_labels is None or dhcp_cache:
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metric_labels = ['host_name', 'comment', 'active_address', 'address', 'mac_address', 'server', 'expires_after']
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if dhcp_cache and router_entry.dhcp_records:
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return router_entry.dhcp_records
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try:
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if bound:
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dhcp_lease_records = router_entry.dhcp_entry.api_connection.router_api().get_resource('/ip/dhcp-server/lease').get(status='bound')
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else:
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dhcp_lease_records = router_entry.dhcp_entry.api_connection.router_api().get_resource('/ip/dhcp-server/lease').call('print', {'active':''})
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# translation rules
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translation_table = {}
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if 'comment' in metric_labels:
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translation_table['comment'] = lambda c: c if c else ''
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if 'host_name' in metric_labels:
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translation_table['host_name'] = lambda c: c if c else ''
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if 'expires_after' in metric_labels and translate:
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translation_table['expires_after'] = lambda c: parse_mkt_uptime(c) if c else 0
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if 'active_address' in metric_labels:
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translation_table['active_address'] = lambda c: c if c else ''
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records = BaseDSProcessor.trimmed_records(router_entry, router_records = dhcp_lease_records, metric_labels = metric_labels, add_router_id = add_router_id, translation_table = translation_table)
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if dhcp_cache:
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router_entry.dhcp_records = records
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return records
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except Exception as exc:
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print(f'Error getting dhcp info from router{router_entry.router_name}@{router_entry.config_entry.hostname}: {exc}')
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return None
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