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# -*- coding: utf-8 -*-
# Description: apache netdata python.d module
# Author: Pawel Krupa (paulfantom)
# SPDX-License-Identifier: GPL-3.0-or-later
from bases.FrameworkServices.UrlService import UrlService
ORDER = [
'requests',
'connections',
'conns_async',
'net',
'workers',
'reqpersec',
'bytespersec',
'bytesperreq',
]
CHARTS = {
'bytesperreq': {
'options': [None, 'Lifetime Avg. Request Size', 'KiB',
'statistics', 'apache.bytesperreq', 'area'],
'lines': [
['size_req', 'size', 'absolute', 1, 1024 * 100000]
]},
'workers': {
'options': [None, 'Workers', 'workers', 'workers', 'apache.workers', 'stacked'],
'lines': [
['idle'],
['busy'],
]},
'reqpersec': {
'options': [None, 'Lifetime Avg. Requests/s', 'requests/s', 'statistics',
'apache.reqpersec', 'area'],
'lines': [
['requests_sec', 'requests', 'absolute', 1, 100000]
]},
'bytespersec': {
'options': [None, 'Lifetime Avg. Bandwidth/s', 'kilobits/s', 'statistics',
'apache.bytesperreq', 'area'],
'lines': [
['size_sec', None, 'absolute', 8, 1000 * 100000]
]},
'requests': {
'options': [None, 'Requests', 'requests/s', 'requests', 'apache.requests', 'line'],
'lines': [
['requests', None, 'incremental']
]},
'net': {
'options': [None, 'Bandwidth', 'kilobits/s', 'bandwidth', 'apache.net', 'area'],
'lines': [
['sent', None, 'incremental', 8, 1]
]},
'connections': {
'options': [None, 'Connections', 'connections', 'connections', 'apache.connections', 'line'],
'lines': [
['connections']
]},
'conns_async': {
'options': [None, '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'
}
FLOAT_VALUES = [
'BytesPerReq',
'ReqPerSec',
'BytesPerSec',
]
LIGHTTPD_MARKER = 'idle_servers'
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 LIGHTTPD_MARKER in data:
self.turn_into_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 line in raw_data.split('\n'):
try:
parse_line(line, data)
except ValueError:
continue
return data or None
def turn_into_lighttpd(self):
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')
def parse_line(line, data):
parts = line.split(':')
if len(parts) != 2:
return
key, value = parts[0], parts[1]
if key not in ASSIGNMENT:
return
if key in FLOAT_VALUES:
data[ASSIGNMENT[key]] = int((float(value) * 100000))
else:
data[ASSIGNMENT[key]] = int(value)
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