forked from Pesticles/Zabbix-Bind9-Statistics-Collection
-
Notifications
You must be signed in to change notification settings - Fork 14
/
bind-stats.py
197 lines (183 loc) · 8.51 KB
/
bind-stats.py
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
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# __author__ = 'https://github.com/Pesticles/Zabbix-Bind9-Statistics-Collection'
import argparse
import json
import os
import sys
import time
import re
JSONFILE = '/tmp/bindstats.json'
CACHELIFE = 60
parser = argparse.ArgumentParser()
parser.add_argument("action", help="discoverzones | counter | zonecounter | zonemaintenancecounter | resolvercounter "
"| socketcounter | incounter | outcounter")
parser.add_argument("-z", help="zone")
parser.add_argument("-c", help="counter name")
parser.add_argument("-p", help="bind stats port")
args = parser.parse_args()
# Configurable port
port = 8653
if args.p:
port = args.p
# Read from the cache if it exists and is less than a minute old, so we don't hit Bind directly too often.
if os.path.exists(JSONFILE) and time.time() - os.path.getmtime(JSONFILE) <= CACHELIFE:
with open(JSONFILE) as f:
j = json.load(f)
else:
import http.client
conn = http.client.HTTPConnection('localhost:{0}'.format(port))
conn.request('GET', '/')
resp = conn.getresponse()
if not resp.status == 200:
print("HTTP GET Failed")
sys.exit(1)
content = resp.read()
conn.close()
import xml.etree.ElementTree as ElementTree
root = ElementTree.fromstring(content)
# first, we need to see what statistics version we are. 2.x or 3.x
# if root tag is isc = we have probably stats version 2, if it stats with statisics we have version 3 or newer
if root.tag == 'isc':
# get statistics version from isc/bind/statistics attrib
version = root.find('./bind/statistics').attrib['version']
elif root.tag == 'statistics':
version = root.attrib['version']
else:
print("Unknown root tag: {}".format(root.ag), file=sys.stderr)
print("ZBX_NOTSUPPORTED")
# check the statistics version here
v = re.match('^(\d{1})\.', version)
version = int(v.group(1))
if version < 0 or version > 3:
print("Unsupported bind statistics version: {}".format(root.attrib), file=sys.stderr)
print("ZBX_NOTSUPPORTED")
# Build the JSON cache
j = {
'zones': {},
'counter': {},
'zonemaintenancecounter': {},
'resolvercounter': {},
'socketcounter': {},
'incounter': {},
'outcounter': {},
'cache': {},
'memory': {}
}
# this is for version 2
if version == 2:
for view in root.iterfind('./bind/statistics/views/view'):
if view.findtext('./name') in ('_default',):
for zone in view.iterfind('./zones/zone'):
if zone.find('./counters') is not None:
counters = {}
for counter in zone.iterfind('./counters/*'):
counters[counter.tag] = counter.text
j['zones'][zone.findtext('./name')] = counters
for stat in root.iterfind('./bind/statistics/server/nsstat'):
j['counter'][stat.findtext('./name')] = stat.findtext('./counter')
for stat in root.iterfind('./bind/statistics/server/zonestat'):
j['zonemaintenancecounter'][stat.findtext('./name')] = stat.findtext('./counter')
for view in root.iterfind('./bind/statistics/views/view'):
if view.findtext('./name') in ('_default',):
for stat in view.iterfind('./resstat'):
j['resolvercounter'][stat.findtext('./name')] = stat.findtext('./counter')
for stat in root.iterfind('./bind/statistics/server/sockstat'):
j['socketcounter'][stat.findtext('./name')] = stat.findtext('./counter')
for stat in root.iterfind('./bind/statistics/server/queries-in/rdtype'):
j['incounter'][stat.findtext('./name')] = stat.findtext('./counter')
for stat in root.iterfind('./bind/statistics/views/view/rdtype'):
j['outcounter'][stat.findtext('./name')] = stat.findtext('./counter')
# Memory
for child in root.iterfind('./bind/statistics/memory/summary/*'):
j['memory'][child.tag] = child.text
# Cache for local
for child in root.iterfind('./bind/statistics/views/view/cache'):
if child.attrib['name'] == 'localhost_resolver':
for stat in child.iterfind('./rrset'):
j['cache'][stat.findtext('./name')] = stat.findtext('./counter')
# this is for newer version 3
if version == 3:
for child in root.iterfind('./server/counters'):
# V2 ./bind/statistics/server/nsstat
if child.attrib['type'] == 'nsstat':
for stat in child.iterfind('./counter'):
j['counter'][stat.attrib['name']] = stat.text
# V2 ./bind/statistics/server/sockstat
if child.attrib['type'] == 'sockstat':
for stat in child.iterfind('./counter'):
j['socketcounter'][stat.attrib['name']] = stat.text
# V2 ./bind/statistics/server/zonestat
if child.attrib['type'] == 'zonestat':
for stat in child.iterfind('./counter'):
j['zonemaintenancecounter'][stat.attrib['name']] = stat.text
# V2 ./bind/statistics/server/queries-in/rdtype
if child.attrib['type'] == 'qtype':
for stat in child.iterfind('./counter'):
j['incounter'][stat.attrib['name']] = stat.text
# they are only for block _default
for child in root.iterfind('./views/view/counters'):
# V2 ./bind/statistics/views/view/rdtype
if child.attrib['type'] == 'resqtype':
for stat in child.iterfind('./counter'):
j['outcounter'][stat.attrib['name']] = stat.text
# V2 ./bind/statistics/views/view => _default name only
if child.attrib['type'] == 'resstats':
for stat in child.iterfind('./counter'):
j['resolvercounter'][stat.attrib['name']] = stat.text
# V2: no (only in memory detail stats)
if child.attrib['type'] == 'cachestats':
for stat in child.iterfind('./counter'):
j['cache'][stat.attrib['name']] = stat.text
# V2 has @name = localhost_resolver, interal, external
for child in root.iterfind('./views/view/cache'):
if (child.attrib['name'] == '_default'):
for stat in child.iterfind('./rrset'):
j['cache'][stat.findtext('./name')] = stat.findtext('./counter')
# for sets stating with !, we replace that with an _ (! is not allowed in zabbix)
if re.match('^!', stat.findtext('./name')):
j['cache'][stat.findtext('./name').replace('!', '_')] = stat.findtext('./counter')
# for all the Zone stats only
for child in root.iterfind('./views/view'):
# only for default
if (child.attrib['name'] == '_default'):
# V2 ./bind/statistics/views/view -> ./zones/zone => _default name only
for zone in child.iterfind('./zones/zone'):
counters = {}
for stat in zone.iterfind('./counters'):
if stat.attrib['type'] == 'rcode' or stat.attrib['type'] == 'qtype':
for counter in stat.iterfind('./counter'):
counters[counter.attrib['name']] = counter.text
j['zones'][zone.attrib['name']] = counters
# V2 ./bind/statistics/memory/summary/*
for child in root.iterfind('./memory/summary/*'):
j['memory'][child.tag] = child.text
# write to cache is the same in both version
with open(JSONFILE, 'w') as f:
json.dump(j, f)
if args.action == 'discoverzones':
d = {'data': [{'{#ZONE}': zone} for zone in j['zones'].keys()]}
print(json.dumps(d))
sys.exit(0)
elif args.action == 'zonecounter':
if not (args.z and args.c):
print("Missing argument", file=sys.stderr)
print("ZBX_NOTSUPPORTED")
sys.exit(1)
if args.z in j['zones'] and args.c in j['zones'][args.z]:
print(j['zones'][args.z][args.c])
sys.exit(0)
else:
print("ZBX_NOTSUPPORTED")
sys.exit(1)
else:
if not args.c:
print("Missing argument", file=sys.stderr)
print("ZBX_NOTSUPPORTED")
sys.exit(1)
if args.c in j[args.action]:
print(j[args.action][args.c])
sys.exit(0)
else:
print("ZBX_NOTSUPPORTED")
sys.exit(1)