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Copy pathhaproxy.chart.py
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340 lines (301 loc) · 13.4 KB
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# -*- coding: utf-8 -*-
# Description: haproxy netdata python.d module
# Author: l2isbad, ktarasz
# SPDX-License-Identifier: GPL-3.0+
from collections import defaultdict
from re import compile as re_compile
try:
from urlparse import urlparse
except ImportError:
from urllib.parse import urlparse
from bases.FrameworkServices.SocketService import SocketService
from bases.FrameworkServices.UrlService import UrlService
# default module values (can be overridden per job in `config`)
# update_every = 2
priority = 60000
retries = 60
# charts order (can be overridden if you want less charts, or different order)
ORDER = ['fbin', 'fbout', 'fscur', 'fqcur',
'fhrsp_1xx', 'fhrsp_2xx', 'fhrsp_3xx', 'fhrsp_4xx', 'fhrsp_5xx', 'fhrsp_other', 'fhrsp_total',
'bbin', 'bbout', 'bscur', 'bqcur',
'bhrsp_1xx', 'bhrsp_2xx', 'bhrsp_3xx', 'bhrsp_4xx', 'bhrsp_5xx', 'bhrsp_other', 'bhrsp_total',
'bqtime', 'bttime', 'brtime', 'bctime',
'health_sup', 'health_sdown', 'health_bdown', 'health_idle']
CHARTS = {
'fbin': {
'options': [None, "Kilobytes In", "KB/s", 'frontend', 'haproxy_f.bin', 'line'],
'lines': [
]},
'fbout': {
'options': [None, "Kilobytes Out", "KB/s", 'frontend', 'haproxy_f.bout', 'line'],
'lines': [
]},
'fscur': {
'options': [None, "Sessions Active", "sessions", 'frontend', 'haproxy_f.scur', 'line'],
'lines': [
]},
'fqcur': {
'options': [None, "Session In Queue", "sessions", 'frontend', 'haproxy_f.qcur', 'line'],
'lines': [
]},
'fhrsp_1xx': {
'options': [None, "HTTP responses with 1xx code", "responses/s", 'frontend', 'haproxy_f.hrsp_1xx', 'line'],
'lines': [
]},
'fhrsp_2xx': {
'options': [None, "HTTP responses with 2xx code", "responses/s", 'frontend', 'haproxy_f.hrsp_2xx', 'line'],
'lines': [
]},
'fhrsp_3xx': {
'options': [None, "HTTP responses with 3xx code", "responses/s", 'frontend', 'haproxy_f.hrsp_3xx', 'line'],
'lines': [
]},
'fhrsp_4xx': {
'options': [None, "HTTP responses with 4xx code", "responses/s", 'frontend', 'haproxy_f.hrsp_4xx', 'line'],
'lines': [
]},
'fhrsp_5xx': {
'options': [None, "HTTP responses with 5xx code", "responses/s", 'frontend', 'haproxy_f.hrsp_5xx', 'line'],
'lines': [
]},
'fhrsp_other': {
'options': [None, "HTTP responses with other codes (protocol error)", "responses/s", 'frontend', 'haproxy_f.hrsp_other', 'line'],
'lines': [
]},
'fhrsp_total': {
'options': [None, "HTTP responses", "responses", 'frontend', 'haproxy_f.hrsp_total', 'line'],
'lines': [
]},
'bbin': {
'options': [None, "Kilobytes In", "KB/s", 'backend', 'haproxy_b.bin', 'line'],
'lines': [
]},
'bbout': {
'options': [None, "Kilobytes Out", "KB/s", 'backend', 'haproxy_b.bout', 'line'],
'lines': [
]},
'bscur': {
'options': [None, "Sessions Active", "sessions", 'backend', 'haproxy_b.scur', 'line'],
'lines': [
]},
'bqcur': {
'options': [None, "Sessions In Queue", "sessions", 'backend', 'haproxy_b.qcur', 'line'],
'lines': [
]},
'bhrsp_1xx': {
'options': [None, "HTTP responses with 1xx code", "responses/s", 'backend', 'haproxy_b.hrsp_1xx', 'line'],
'lines': [
]},
'bhrsp_2xx': {
'options': [None, "HTTP responses with 2xx code", "responses/s", 'backend', 'haproxy_b.hrsp_2xx', 'line'],
'lines': [
]},
'bhrsp_3xx': {
'options': [None, "HTTP responses with 3xx code", "responses/s", 'backend', 'haproxy_b.hrsp_3xx', 'line'],
'lines': [
]},
'bhrsp_4xx': {
'options': [None, "HTTP responses with 4xx code", "responses/s", 'backend', 'haproxy_b.hrsp_4xx', 'line'],
'lines': [
]},
'bhrsp_5xx': {
'options': [None, "HTTP responses with 5xx code", "responses/s", 'backend', 'haproxy_b.hrsp_5xx', 'line'],
'lines': [
]},
'bhrsp_other': {
'options': [None, "HTTP responses with other codes (protocol error)", "responses/s", 'backend',
'haproxy_b.hrsp_other', 'line'],
'lines': [
]},
'bhrsp_total': {
'options': [None, "HTTP responses (total)", "responses/s", 'backend', 'haproxy_b.hrsp_total', 'line'],
'lines': [
]},
'bqtime': {
'options': [None, "The average queue time over the 1024 last requests", "ms", 'backend', 'haproxy_b.qtime', 'line'],
'lines': [
]},
'bctime': {
'options': [None, "The average connect time over the 1024 last requests", "ms", 'backend',
'haproxy_b.ctime', 'line'],
'lines': [
]},
'brtime': {
'options': [None, "The average response time over the 1024 last requests", "ms", 'backend',
'haproxy_b.rtime', 'line'],
'lines': [
]},
'bttime': {
'options': [None, "The average total session time over the 1024 last requests", "ms", 'backend',
'haproxy_b.ttime', 'line'],
'lines': [
]},
'health_sdown': {
'options': [None, "Backend Servers In DOWN State", "failed servers", 'health',
'haproxy_hs.down', 'line'],
'lines': [
]},
'health_sup': {
'options': [None, "Backend Servers In UP State", "health servers", 'health',
'haproxy_hs.up', 'line'],
'lines': [
]},
'health_bdown': {
'options': [None, "Is Backend Alive? 1 = DOWN", "failed backend", 'health', 'haproxy_hb.down', 'line'],
'lines': [
]},
'health_idle': {
'options': [None, "The Ratio Of Polling Time Vs Total Time", "percent", 'health', 'haproxy.idle', 'line'],
'lines': [
['idle', None, 'absolute']
]}
}
METRICS = {'bin': {'algorithm': 'incremental', 'divisor': 1024},
'bout': {'algorithm': 'incremental', 'divisor': 1024},
'scur': {'algorithm': 'absolute', 'divisor': 1},
'qcur': {'algorithm': 'absolute', 'divisor': 1},
'hrsp_1xx': {'algorithm': 'incremental', 'divisor': 1},
'hrsp_2xx': {'algorithm': 'incremental', 'divisor': 1},
'hrsp_3xx': {'algorithm': 'incremental', 'divisor': 1},
'hrsp_4xx': {'algorithm': 'incremental', 'divisor': 1},
'hrsp_5xx': {'algorithm': 'incremental', 'divisor': 1},
'hrsp_other': {'algorithm': 'incremental', 'divisor': 1},
}
BACKEND_METRICS = {
'qtime': {'algorithm': 'absolute', 'divisor': 1},
'ctime': {'algorithm': 'absolute', 'divisor': 1},
'rtime': {'algorithm': 'absolute', 'divisor': 1},
'ttime': {'algorithm': 'absolute', 'divisor': 1}
}
REGEX = dict(url=re_compile(r'idle = (?P<idle>[0-9]+)'),
socket=re_compile(r'Idle_pct: (?P<idle>[0-9]+)'))
class Service(UrlService, SocketService):
def __init__(self, configuration=None, name=None):
if 'socket' in configuration:
SocketService.__init__(self, configuration=configuration, name=name)
self.poll = SocketService
self.options_ = dict(regex=REGEX['socket'],
stat='show stat\n'.encode(),
info='show info\n'.encode())
else:
UrlService.__init__(self, configuration=configuration, name=name)
self.poll = UrlService
self.options_ = dict(regex=REGEX['url'],
stat=self.url,
info=url_remove_params(self.url))
self.order = ORDER
self.definitions = CHARTS
def check(self):
if self.poll.check(self):
self.create_charts()
self.info('We are using %s.' % self.poll.__name__)
return True
return False
def _get_data(self):
to_netdata = dict()
self.request, self.url = self.options_['stat'], self.options_['stat']
stat_data = self._get_stat_data()
self.request, self.url = self.options_['info'], self.options_['info']
info_data = self._get_info_data(regex=self.options_['regex'])
to_netdata.update(stat_data)
to_netdata.update(info_data)
return to_netdata or None
def _get_stat_data(self):
"""
:return: dict
"""
raw_data = self.poll._get_raw_data(self)
if not raw_data:
return dict()
raw_data = raw_data.splitlines()
self.data = parse_data_([dict(zip(raw_data[0].split(','), raw_data[_].split(',')))
for _ in range(1, len(raw_data))])
if not self.data:
return dict()
stat_data = dict()
for frontend in self.data['frontend']:
for metric in METRICS:
idx = frontend['# pxname'].replace('.', '_')
stat_data['_'.join(['frontend', metric, idx])] = frontend.get(metric) or 0
for backend in self.data['backend']:
name, idx = backend['# pxname'], backend['# pxname'].replace('.', '_')
stat_data['hsup_' + idx] = len([server for server in self.data['servers']
if server_status(server, name, 'UP')])
stat_data['hsdown_' + idx] = len([server for server in self.data['servers']
if server_status(server, name, 'DOWN')])
stat_data['hbdown_' + idx] = 1 if backend.get('status') == 'DOWN' else 0
for metric in BACKEND_METRICS:
stat_data['_'.join(['backend', metric, idx])] = backend.get(metric) or 0
hrsp_total = 0
for metric in METRICS:
stat_data['_'.join(['backend', metric, idx])] = backend.get(metric) or 0
if metric.startswith('hrsp_'):
hrsp_total += int(backend.get(metric) or 0)
stat_data['_'.join(['backend', 'hrsp_total', idx])] = hrsp_total
return stat_data
def _get_info_data(self, regex):
"""
:return: dict
"""
raw_data = self.poll._get_raw_data(self)
if not raw_data:
return dict()
match = regex.search(raw_data)
return match.groupdict() if match else dict()
@staticmethod
def _check_raw_data(data):
"""
Check if all data has been gathered from socket
:param data: str
:return: boolean
"""
return not bool(data)
def create_charts(self):
for front in self.data['frontend']:
name, idx = front['# pxname'], front['# pxname'].replace('.', '_')
for metric in METRICS:
self.definitions['f' + metric]['lines'].append(['_'.join(['frontend', metric, idx]),
name, METRICS[metric]['algorithm'], 1,
METRICS[metric]['divisor']])
self.definitions['fhrsp_total']['lines'].append(['_'.join(['frontend', 'hrsp_total', idx]),
name, 'incremental', 1, 1])
for back in self.data['backend']:
name, idx = back['# pxname'], back['# pxname'].replace('.', '_')
for metric in METRICS:
self.definitions['b' + metric]['lines'].append(['_'.join(['backend', metric, idx]),
name, METRICS[metric]['algorithm'], 1,
METRICS[metric]['divisor']])
self.definitions['bhrsp_total']['lines'].append(['_'.join(['backend', 'hrsp_total', idx]),
name, 'incremental', 1, 1])
for metric in BACKEND_METRICS:
self.definitions['b' + metric]['lines'].append(['_'.join(['backend', metric, idx]),
name, BACKEND_METRICS[metric]['algorithm'], 1,
BACKEND_METRICS[metric]['divisor']])
self.definitions['health_sup']['lines'].append(['hsup_' + idx, name, 'absolute'])
self.definitions['health_sdown']['lines'].append(['hsdown_' + idx, name, 'absolute'])
self.definitions['health_bdown']['lines'].append(['hbdown_' + idx, name, 'absolute'])
def parse_data_(data):
def is_backend(backend):
return backend.get('svname') == 'BACKEND' and backend.get('# pxname') != 'stats'
def is_frontend(frontend):
return frontend.get('svname') == 'FRONTEND' and frontend.get('# pxname') != 'stats'
def is_server(server):
return not server.get('svname', '').startswith(('FRONTEND', 'BACKEND'))
if not data:
return None
result = defaultdict(list)
for elem in data:
if is_backend(elem):
result['backend'].append(elem)
continue
elif is_frontend(elem):
result['frontend'].append(elem)
continue
elif is_server(elem):
result['servers'].append(elem)
return result or None
def server_status(server, backend_name, status='DOWN'):
return server.get('# pxname') == backend_name and server.get('status') == status
def url_remove_params(url):
parsed = urlparse(url or str())
return '{scheme}://{netloc}{path}'.format(scheme=parsed.scheme, netloc=parsed.netloc, path=parsed.path)
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