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# -*- coding: utf-8 -*-
# Description: NSD `nsd-control stats_noreset` netdata python.d module
# Author: <383c57 at gmail.com>
# SPDX-License-Identifier: GPL-3.0-or-later
import re
from bases.FrameworkServices.ExecutableService import ExecutableService
update_every = 30
NSD_CONTROL_COMMAND = 'nsd-control stats_noreset'
REGEX = re.compile(r'([A-Za-z0-9.]+)=(\d+)')
ORDER = [
'queries',
'zones',
'protocol',
'type',
'transfer',
'rcode',
]
CHARTS = {
'queries': {
'options': [None, 'queries', 'queries/s', 'queries', 'nsd.queries', 'line'],
'lines': [
['num_queries', 'queries', 'incremental']
]
},
'zones': {
'options': [None, 'zones', 'zones', 'zones', 'nsd.zones', 'stacked'],
'lines': [
['zone_master', 'master', 'absolute'],
['zone_slave', 'slave', 'absolute']
]
},
'protocol': {
'options': [None, 'protocol', 'queries/s', 'protocol', 'nsd.protocols', 'stacked'],
'lines': [
['num_udp', 'udp', 'incremental'],
['num_udp6', 'udp6', 'incremental'],
['num_tcp', 'tcp', 'incremental'],
['num_tcp6', 'tcp6', 'incremental']
]
},
'type': {
'options': [None, 'query type', 'queries/s', 'query type', 'nsd.type', 'stacked'],
'lines': [
['num_type_A', 'A', 'incremental'],
['num_type_NS', 'NS', 'incremental'],
['num_type_CNAME', 'CNAME', 'incremental'],
['num_type_SOA', 'SOA', 'incremental'],
['num_type_PTR', 'PTR', 'incremental'],
['num_type_HINFO', 'HINFO', 'incremental'],
['num_type_MX', 'MX', 'incremental'],
['num_type_NAPTR', 'NAPTR', 'incremental'],
['num_type_TXT', 'TXT', 'incremental'],
['num_type_AAAA', 'AAAA', 'incremental'],
['num_type_SRV', 'SRV', 'incremental'],
['num_type_TYPE255', 'ANY', 'incremental']
]
},
'transfer': {
'options': [None, 'transfer', 'queries/s', 'transfer', 'nsd.transfer', 'stacked'],
'lines': [
['num_opcode_NOTIFY', 'NOTIFY', 'incremental'],
['num_type_TYPE252', 'AXFR', 'incremental']
]
},
'rcode': {
'options': [None, 'return code', 'queries/s', 'return code', 'nsd.rcode', 'stacked'],
'lines': [
['num_rcode_NOERROR', 'NOERROR', 'incremental'],
['num_rcode_FORMERR', 'FORMERR', 'incremental'],
['num_rcode_SERVFAIL', 'SERVFAIL', 'incremental'],
['num_rcode_NXDOMAIN', 'NXDOMAIN', 'incremental'],
['num_rcode_NOTIMP', 'NOTIMP', 'incremental'],
['num_rcode_REFUSED', 'REFUSED', 'incremental'],
['num_rcode_YXDOMAIN', 'YXDOMAIN', 'incremental']
]
}
}
class Service(ExecutableService):
def __init__(self, configuration=None, name=None):
ExecutableService.__init__(self, configuration=configuration, name=name)
self.order = ORDER
self.definitions = CHARTS
self.command = NSD_CONTROL_COMMAND
def _get_data(self):
lines = self._get_raw_data()
if not lines:
return None
stats = dict(
(k.replace('.', '_'), int(v)) for k, v in REGEX.findall(''.join(lines))
)
stats.setdefault('num_opcode_NOTIFY', 0)
stats.setdefault('num_type_TYPE252', 0)
stats.setdefault('num_type_TYPE255', 0)
return stats
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