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