netdata/python.d/haproxy.chart.py at master · suker413/netdata · GitHub

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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

netdata/python.d/haproxy.chart.py at master · suker413/netdata · GitHub

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