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haproxy.chart.py
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180 lines (150 loc) · 7.35 KB
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# -*- coding: utf-8 -*-
# Description: haproxy netdata python.d module
# Author: l2isbad
from base import UrlService, SocketService
# 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', 'bbin', 'bbout', 'bscur', 'bqcur', 'health_sdown', 'health_bdown']
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': [
]},
'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': [
]},
'health_sdown': {
'options': [None, "Backend Servers In DOWN State", "failed servers", 'health',
'haproxy_hs.down', 'line'],
'lines': [
]},
'health_bdown': {
'options': [None, "Is backend alive? 1 = DOWN", "failed backend", 'health', 'haproxy_hb.down', 'line'],
'lines': [
]}
}
class Service(UrlService, SocketService):
def __init__(self, configuration=None, name=None):
if 'socket' in configuration:
SocketService.__init__(self, configuration=configuration, name=name)
self.poll_method = SocketService
self.request = 'show stat\n'
else:
UrlService.__init__(self, configuration=configuration, name=name)
self.poll_method = UrlService
self.order = ORDER
self.definitions = CHARTS
self.order_front = [_ for _ in ORDER if _.startswith('f')]
self.order_back = [_ for _ in ORDER if _.startswith('b')]
self.charts = True
def check(self):
if self.poll_method.check(self):
self.info('Plugin was started successfully. We are using %s.' % self.poll_method.__name__)
return True
else:
return False
def create_charts(self, front_ends, back_ends):
for _ in enumerate(front_ends):
idx = _[0]
self.definitions['fbin']['lines'].append(['_'.join(['fbin', front_ends[idx]['# pxname']]),
front_ends[idx]['# pxname'], 'incremental', 1, 1024])
self.definitions['fbout']['lines'].append(['_'.join(['fbout', front_ends[idx]['# pxname']]),
front_ends[idx]['# pxname'], 'incremental', 1, 1024])
self.definitions['fscur']['lines'].append(['_'.join(['fscur', front_ends[idx]['# pxname']]),
front_ends[idx]['# pxname'], 'absolute'])
self.definitions['fqcur']['lines'].append(['_'.join(['fqcur', front_ends[idx]['# pxname']]),
front_ends[idx]['# pxname'], 'absolute'])
for _ in enumerate(back_ends):
idx = _[0]
self.definitions['bbin']['lines'].append(['_'.join(['bbin', back_ends[idx]['# pxname']]),
back_ends[idx]['# pxname'], 'incremental', 1, 1024])
self.definitions['bbout']['lines'].append(['_'.join(['bbout', back_ends[idx]['# pxname']]),
back_ends[idx]['# pxname'], 'incremental', 1, 1024])
self.definitions['bscur']['lines'].append(['_'.join(['bscur', back_ends[idx]['# pxname']]),
back_ends[idx]['# pxname'], 'absolute'])
self.definitions['bqcur']['lines'].append(['_'.join(['bqcur', back_ends[idx]['# pxname']]),
back_ends[idx]['# pxname'], 'absolute'])
self.definitions['health_sdown']['lines'].append(['_'.join(['hsdown', back_ends[idx]['# pxname']]),
back_ends[idx]['# pxname'], 'absolute'])
self.definitions['health_bdown']['lines'].append(['_'.join(['hbdown', back_ends[idx]['# pxname']]),
back_ends[idx]['# pxname'], 'absolute'])
def _get_data(self):
"""
Format data received from http request
:return: dict
"""
raw_data = self.poll_method._get_raw_data(self)
if not raw_data:
return None
else:
raw_data = raw_data.splitlines()
all_instances = [dict(zip(raw_data[0].split(','),
raw_data[_].split(','))) for _ in range(1, len(raw_data))]
back_ends = list(filter(is_backend, all_instances))
front_ends = list(filter(is_frontend, all_instances))
servers = list(filter(is_server, all_instances))
if self.charts:
self.create_charts(front_ends, back_ends)
self.charts = False
to_netdata = dict()
for frontend in front_ends:
for idx in self.order_front:
to_netdata.update({'_'.join([idx, frontend['# pxname']]):
int(frontend[idx[1:]]) if frontend.get(idx[1:]) else 0})
for backend in back_ends:
for idx in self.order_back:
to_netdata.update({'_'.join([idx, backend['# pxname']]):
int(backend[idx[1:]]) if backend.get(idx[1:]) else 0})
for _ in enumerate(back_ends):
idx = _[0]
to_netdata.update({'_'.join(['hsdown', back_ends[idx]['# pxname']]):
len([server for server in servers if is_server_down(server, back_ends, idx)])})
to_netdata.update({'_'.join(['hbdown', back_ends[idx]['# pxname']]):
1 if is_backend_down(back_ends, idx) else 0})
return to_netdata
@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 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'))
def is_server_down(server, back_ends, idx):
return server.get('# pxname') == back_ends[idx].get('# pxname') and server.get('status') == 'DOWN'
def is_backend_down(back_ends, idx):
return back_ends[idx].get('status') == 'DOWN'