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
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
# -*- coding: utf-8 -*-
# Description: freeradius netdata python.d module
# Author: ilyam8
# SPDX-License-Identifier: GPL-3.0-or-later
import re
from subprocess import Popen, PIPE
from bases.FrameworkServices.SimpleService import SimpleService
from bases.collection import find_binary
update_every = 15
PARSER = re.compile(r'((?<=-)[AP][a-zA-Z-]+) = (\d+)')
RADIUS_MSG = 'Message-Authenticator = 0x00, FreeRADIUS-Statistics-Type = 15, Response-Packet-Type = Access-Accept'
RADCLIENT_RETRIES = 1
RADCLIENT_TIMEOUT = 1
DEFAULT_HOST = 'localhost'
DEFAULT_PORT = 18121
DEFAULT_DO_ACCT = False
DEFAULT_DO_PROXY_AUTH = False
DEFAULT_DO_PROXY_ACCT = False
ORDER = [
'authentication',
'accounting',
'proxy-auth',
'proxy-acct',
]
CHARTS = {
'authentication': {
'options': [None, 'Authentication', 'packets/s', 'authentication', 'freerad.auth', 'line'],
'lines': [
['access-accepts', None, 'incremental'],
['access-rejects', None, 'incremental'],
['auth-dropped-requests', 'dropped-requests', 'incremental'],
['auth-duplicate-requests', 'duplicate-requests', 'incremental'],
['auth-invalid-requests', 'invalid-requests', 'incremental'],
['auth-malformed-requests', 'malformed-requests', 'incremental'],
['auth-unknown-types', 'unknown-types', 'incremental']
]
},
'accounting': {
'options': [None, 'Accounting', 'packets/s', 'accounting', 'freerad.acct', 'line'],
'lines': [
['accounting-requests', 'requests', 'incremental'],
['accounting-responses', 'responses', 'incremental'],
['acct-dropped-requests', 'dropped-requests', 'incremental'],
['acct-duplicate-requests', 'duplicate-requests', 'incremental'],
['acct-invalid-requests', 'invalid-requests', 'incremental'],
['acct-malformed-requests', 'malformed-requests', 'incremental'],
['acct-unknown-types', 'unknown-types', 'incremental']
]
},
'proxy-auth': {
'options': [None, 'Proxy Authentication', 'packets/s', 'authentication', 'freerad.proxy.auth', 'line'],
'lines': [
['proxy-access-accepts', 'access-accepts', 'incremental'],
['proxy-access-rejects', 'access-rejects', 'incremental'],
['proxy-auth-dropped-requests', 'dropped-requests', 'incremental'],
['proxy-auth-duplicate-requests', 'duplicate-requests', 'incremental'],
['proxy-auth-invalid-requests', 'invalid-requests', 'incremental'],
['proxy-auth-malformed-requests', 'malformed-requests', 'incremental'],
['proxy-auth-unknown-types', 'unknown-types', 'incremental']
]
},
'proxy-acct': {
'options': [None, 'Proxy Accounting', 'packets/s', 'accounting', 'freerad.proxy.acct', 'line'],
'lines': [
['proxy-accounting-requests', 'requests', 'incremental'],
['proxy-accounting-responses', 'responses', 'incremental'],
['proxy-acct-dropped-requests', 'dropped-requests', 'incremental'],
['proxy-acct-duplicate-requests', 'duplicate-requests', 'incremental'],
['proxy-acct-invalid-requests', 'invalid-requests', 'incremental'],
['proxy-acct-malformed-requests', 'malformed-requests', 'incremental'],
['proxy-acct-unknown-types', 'unknown-types', 'incremental']
]
}
}
def radclient_status(radclient, retries, timeout, host, port, secret):
# radclient -r 1 -t 1 -x 127.0.0.1:18121 status secret
return '{radclient} -r {num_retries} -t {timeout} -x {host}:{port} status {secret}'.format(
radclient=radclient,
num_retries=retries,
timeout=timeout,
host=host,
port=port,
secret=secret,
).split()
class Service(SimpleService):
def __init__(self, configuration=None, name=None):
SimpleService.__init__(self, configuration=configuration, name=name)
self.order = ORDER
self.definitions = CHARTS
self.host = self.configuration.get('host', DEFAULT_HOST)
self.port = self.configuration.get('port', DEFAULT_PORT)
self.secret = self.configuration.get('secret')
self.do_acct = self.configuration.get('acct', DEFAULT_DO_ACCT)
self.do_proxy_auth = self.configuration.get('proxy_auth', DEFAULT_DO_PROXY_AUTH)
self.do_proxy_acct = self.configuration.get('proxy_acct', DEFAULT_DO_PROXY_ACCT)
self.echo = find_binary('echo')
self.radclient = find_binary('radclient')
self.sub_echo = [self.echo, RADIUS_MSG]
self.sub_radclient = radclient_status(
self.radclient, RADCLIENT_RETRIES, RADCLIENT_TIMEOUT, self.host, self.port, self.secret,
)
def check(self):
if not self.radclient:
self.error("Can't locate 'radclient' binary or binary is not executable by netdata user")
return False
if not self.echo:
self.error("Can't locate 'echo' binary or binary is not executable by netdata user")
return None
if not self.secret:
self.error("'secret' isn't set")
return None
if not self.get_raw_data():
self.error('Request returned no data. Is server alive?')
return False
if not self.do_acct:
self.order.remove('accounting')
if not self.do_proxy_auth:
self.order.remove('proxy-auth')
if not self.do_proxy_acct:
self.order.remove('proxy-acct')
return True
def get_data(self):
"""
Format data received from shell command
:return: dict
"""
result = self.get_raw_data()
if not result:
return None
return dict(
(key.lower(), value) for key, value in PARSER.findall(result)
)
def get_raw_data(self):
"""
The following code is equivalent to
'echo "Message-Authenticator = 0x00, FreeRADIUS-Statistics-Type = 15, Response-Packet-Type = Access-Accept"
| radclient -t 1 -r 1 host:port status secret'
:return: str
"""
try:
process_echo = Popen(self.sub_echo, stdout=PIPE, stderr=PIPE, shell=False)
process_rad = Popen(self.sub_radclient, stdin=process_echo.stdout, stdout=PIPE, stderr=PIPE, shell=False)
process_echo.stdout.close()
raw_result = process_rad.communicate()[0]
except OSError:
return None
if process_rad.returncode is 0:
return raw_result.decode()
return None
|
