1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
|
# -*- 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.bytespersec', '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)
|
