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# -*- coding: utf-8 -*-
# SPDX-License-Identifier: GPL-3.0-or-later
from json import loads
from bases.FrameworkServices.UrlService import UrlService
ORDER = [
'queries',
'queries_dropped',
'packets_dropped',
'answers',
'backend_responses',
'backend_commerrors',
'backend_errors',
'cache',
'servercpu',
'servermem',
'query_latency',
'query_latency_avg'
]
CHARTS = {
'queries': {
'options': [None, 'Client queries received', 'queries/s', 'queries', 'dnsdist.queries', 'line'],
'lines': [
['queries', 'all', 'incremental'],
['rdqueries', 'recursive', 'incremental'],
['empty-queries', 'empty', 'incremental']
]
},
'queries_dropped': {
'options': [None, 'Client queries dropped', 'queries/s', 'queries', 'dnsdist.queries_dropped', 'line'],
'lines': [
['rule-drop', 'rule drop', 'incremental'],
['dyn-blocked', 'dynamic block', 'incremental'],
['no-policy', 'no policy', 'incremental'],
['noncompliant-queries', 'non compliant', 'incremental']
]
},
'packets_dropped': {
'options': [None, 'Packets dropped', 'packets/s', 'packets', 'dnsdist.packets_dropped', 'line'],
'lines': [
['acl-drops', 'acl', 'incremental']
]
},
'answers': {
'options': [None, 'Answers statistics', 'answers/s', 'answers', 'dnsdist.answers', 'line'],
'lines': [
['self-answered', 'self answered', 'incremental'],
['rule-nxdomain', 'nxdomain', 'incremental', -1],
['rule-refused', 'refused', 'incremental', -1],
['trunc-failures', 'trunc failures', 'incremental', -1]
]
},
'backend_responses': {
'options': [None, 'Backend responses', 'responses/s', 'backends', 'dnsdist.backend_responses', 'line'],
'lines': [
['responses', 'responses', 'incremental']
]
},
'backend_commerrors': {
'options': [None, 'Backend Communication Errors', 'errors/s', 'backends', 'dnsdist.backend_commerrors', 'line'],
'lines': [
['downstream-send-errors', 'send errors', 'incremental']
]
},
'backend_errors': {
'options': [None, 'Backend error responses', 'responses/s', 'backends', 'dnsdist.backend_errors', 'line'],
'lines': [
['downstream-timeouts', 'timeout', 'incremental'],
['servfail-responses', 'servfail', 'incremental'],
['noncompliant-responses', 'non compliant', 'incremental']
]
},
'cache': {
'options': [None, 'Cache performance', 'answers/s', 'cache', 'dnsdist.cache', 'area'],
'lines': [
['cache-hits', 'hits', 'incremental'],
['cache-misses', 'misses', 'incremental', -1]
]
},
'servercpu': {
'options': [None, 'DNSDIST server CPU utilization', 'ms/s', 'server', 'dnsdist.servercpu', 'stacked'],
'lines': [
['cpu-sys-msec', 'system state', 'incremental'],
['cpu-user-msec', 'user state', 'incremental']
]
},
'servermem': {
'options': [None, 'DNSDIST server memory utilization', 'MB', 'server', 'dnsdist.servermem', 'area'],
'lines': [
['real-memory-usage', 'memory usage', 'absolute', 1, 1048576]
]
},
'query_latency': {
'options': [None, 'Query latency', 'queries/s', 'latency', 'dnsdist.query_latency', 'stacked'],
'lines': [
['latency0-1', '1ms', 'incremental'],
['latency1-10', '10ms', 'incremental'],
['latency10-50', '50ms', 'incremental'],
['latency50-100', '100ms', 'incremental'],
['latency100-1000', '1sec', 'incremental'],
['latency-slow', 'slow', 'incremental']
]
},
'query_latency_avg': {
'options': [None, 'Average latency for the last N queries', 'ms/query', 'latency',
'dnsdist.query_latency_avg', 'line'],
'lines': [
['latency-avg100', '100', 'absolute'],
['latency-avg1000', '1k', 'absolute'],
['latency-avg10000', '10k', 'absolute'],
['latency-avg1000000', '1000k', 'absolute']
]
}
}
class Service(UrlService):
def __init__(self, configuration=None, name=None):
UrlService.__init__(self, configuration=configuration, name=name)
self.order = ORDER
self.definitions = CHARTS
def _get_data(self):
data = self._get_raw_data()
if not data:
return None
return loads(data)
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