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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", "kilobytes in/s", 'Frontend', 'haproxy_f.bin', 'line'],
'lines': [
]},
'fbout': {
'options': [None, "Kilobytes out", "kilobytes out/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", "kilobytes in/s", 'Backend', 'haproxy_b.bin', 'line'],
'lines': [
]},
'bbout': {
'options': [None, "Kilobytes out", "kilobytes out/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, "Number of servers in backend 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):
SocketService.__init__(self, configuration=configuration, name=name)
self.user = self.configuration.get('user')
self.password = self.configuration.get('pass')
self.request = 'show stat\n'
self.poll_method = (UrlService, SocketService)
self.order = ORDER
self.order_front = [_ for _ in ORDER if _.startswith('f')]
self.order_back = [_ for _ in ORDER if _.startswith('b')]
self.definitions = CHARTS
self.charts = True
def check(self):
if self.configuration.get('url'):
self.poll_method = self.poll_method[0]
url = self.configuration.get('url')
if not url.endswith(';csv;norefresh'):
self.error('Bad url(%s). Must be http://<ip.address>:<port>/<url>;csv;norefresh' % url)
return False
elif self.configuration.get('socket'):
self.poll_method = self.poll_method[1]
else:
self.error('No configuration is specified')
return False
if self.poll_method.check(self):
self.info('Plugin was started succesfully. We are using %s.' % self.poll_method.__name__)
return True
def create_charts(self, front_ends, back_ends):
for _ in range(len(front_ends)):
self.definitions['fbin']['lines'].append(['_'.join(['fbin', front_ends[_]['# pxname']]), front_ends[_]['# pxname'], 'incremental', 1, 1024])
self.definitions['fbout']['lines'].append(['_'.join(['fbout', front_ends[_]['# pxname']]), front_ends[_]['# pxname'], 'incremental', 1, 1024])
self.definitions['fscur']['lines'].append(['_'.join(['fscur', front_ends[_]['# pxname']]), front_ends[_]['# pxname'], 'absolute'])
self.definitions['fqcur']['lines'].append(['_'.join(['fqcur', front_ends[_]['# pxname']]), front_ends[_]['# pxname'], 'absolute'])
for _ in range(len(back_ends)):
self.definitions['bbin']['lines'].append(['_'.join(['bbin', back_ends[_]['# pxname']]), back_ends[_]['# pxname'], 'incremental', 1, 1024])
self.definitions['bbout']['lines'].append(['_'.join(['bbout', back_ends[_]['# pxname']]), back_ends[_]['# pxname'], 'incremental', 1, 1024])
self.definitions['bscur']['lines'].append(['_'.join(['bscur', back_ends[_]['# pxname']]), back_ends[_]['# pxname'], 'absolute'])
self.definitions['bqcur']['lines'].append(['_'.join(['bqcur', back_ends[_]['# pxname']]), back_ends[_]['# pxname'], 'absolute'])
self.definitions['health_sdown']['lines'].append(['_'.join(['hsdown', back_ends[_]['# pxname']]), back_ends[_]['# pxname'], 'absolute'])
self.definitions['health_bdown']['lines'].append(['_'.join(['hbdown', back_ends[_]['# pxname']]), back_ends[_]['# pxname'], 'absolute'])
def _get_data(self):
"""
Format data received from http request
:return: dict
"""
try:
raw_data = self.poll_method._get_raw_data(self).splitlines()
except Exception as e:
self.error(str(e))
return None
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 _ in self.order_front:
to_netdata.update({'_'.join([_, frontend['# pxname']]): int(frontend[_[1:]]) if frontend.get(_[1:]) else 0})
for backend in back_ends:
for _ in self.order_back:
to_netdata.update({'_'.join([_, backend['# pxname']]): int(backend[_[1:]]) if backend.get(_[1:]) else 0})
for _ in range(len(back_ends)):
to_netdata.update({'_'.join(['hsdown', back_ends[_]['# pxname']]):
len([server for server in servers if is_server_down(server, back_ends, _)])})
to_netdata.update({'_'.join(['hbdown', back_ends[_]['# pxname']]): 1 if is_backend_down(back_ends, _) else 0})
return to_netdata
def _check_raw_data(self, data):
"""
Check if all data has been gathered from socket
:param data: str
:return: boolean
"""
return not bool(data)
def is_backend(backend):
try:
return backend['svname'] == 'BACKEND' and backend['# pxname'] != 'stats'
except Exception:
return False
def is_frontend(frontend):
try:
return frontend['svname'] == 'FRONTEND' and frontend['# pxname'] != 'stats'
except Exception:
return False
def is_server(server):
try:
return not server['svname'].startswith(('FRONTEND', 'BACKEND'))
except Exception:
return False
def is_server_down(server, back_ends, _):
try:
return server['# pxname'] == back_ends[_]['# pxname'] and server['status'] == 'DOWN'
except Exception:
return False
def is_backend_down(back_ends, _):
try:
return back_ends[_]['status'] == 'DOWN'
except Exception:
return False
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