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# -*- coding: utf-8 -*-

# Description: apache netdata python.d module

# Author: Pawel Krupa (paulfantom)

from bases.FrameworkServices.UrlService import UrlService

# default module values (can be overridden per job in `config`)

# update_every = 2

priority = 60000

retries = 60

# default job configuration (overridden by python.d.plugin)

# config = {'local': {

# 'update_every': update_every,

# 'retries': retries,

# 'priority': priority,

# 'url': 'http://www.apache.org/server-status?auto'

# }}

# charts order (can be overridden if you want less charts, or different order)

ORDER = ['requests', 'connections', 'conns_async', 'net', 'workers', 'reqpersec', 'bytespersec', 'bytesperreq']

CHARTS = {

'bytesperreq': {

'options': [None, 'apache Lifetime Avg. Response Size', 'bytes/request',

'statistics', 'apache.bytesperreq', 'area'],

'lines': [

["size_req"]

]},

'workers': {

'options': [None, 'apache Workers', 'workers', 'workers', 'apache.workers', 'stacked'],

'lines': [

["idle"],

["busy"],

]},

'reqpersec': {

'options': [None, 'apache Lifetime Avg. Requests/s', 'requests/s', 'statistics',

'apache.reqpersec', 'area'],

'lines': [

["requests_sec"]

]},

'bytespersec': {

'options': [None, 'apache Lifetime Avg. Bandwidth/s', 'kilobits/s', 'statistics',

'apache.bytesperreq', 'area'],

'lines': [

["size_sec", None, 'absolute', 8, 1000]

]},

'requests': {

'options': [None, 'apache Requests', 'requests/s', 'requests', 'apache.requests', 'line'],

'lines': [

["requests", None, 'incremental']

]},

'net': {

'options': [None, 'apache Bandwidth', 'kilobits/s', 'bandwidth', 'apache.net', 'area'],

'lines': [

["sent", None, 'incremental', 8, 1]

]},

'connections': {

'options': [None, 'apache Connections', 'connections', 'connections', 'apache.connections', 'line'],

'lines': [

["connections"]

]},

'conns_async': {

'options': [None, 'apache Async Connections', 'connections', 'connections', 'apache.conns_async', 'stacked'],

'lines': [

["keepalive"],

["closing"],

["writing"]

]}

}

ASSIGNMENT = {"BytesPerReq": 'size_req',

"IdleWorkers": 'idle',

"IdleServers": 'idle_servers',

"BusyWorkers": 'busy',

"BusyServers": 'busy_servers',

"ReqPerSec": 'requests_sec',

"BytesPerSec": 'size_sec',

"Total Accesses": 'requests',

"Total kBytes": 'sent',

"ConnsTotal": 'connections',

"ConnsAsyncKeepAlive": 'keepalive',

"ConnsAsyncClosing": 'closing',

"ConnsAsyncWriting": 'writing'}

class Service(UrlService):

def __init__(self, configuration=None, name=None):

UrlService.__init__(self, configuration=configuration, name=name)

self.order = ORDER

self.definitions = CHARTS

self.url = self.configuration.get('url', 'http://localhost/server-status?auto')

def check(self):

self._manager = self._build_manager()

data = self._get_data()

if not data:

return None

if 'idle_servers' in data:

self.module_name = 'lighttpd'

for chart in self.definitions:

if chart == 'workers':

lines = self.definitions[chart]['lines']

lines[0] = ["idle_servers", 'idle']

lines[1] = ["busy_servers", 'busy']

opts = self.definitions[chart]['options']

opts[1] = opts[1].replace('apache', 'lighttpd')

opts[4] = opts[4].replace('apache', 'lighttpd')

return True

def _get_data(self):

"""

Format data received from http request

:return: dict

"""

raw_data = self._get_raw_data()

if not raw_data:

return None

data = dict()

for row in raw_data.split('\n'):

tmp = row.split(":")

if tmp[0] in ASSIGNMENT:

try:

data[ASSIGNMENT[tmp[0]]] = int(float(tmp[1]))

except (IndexError, ValueError):

continue

return data or None