-
Notifications
You must be signed in to change notification settings - Fork 2
/
nutanix-dst-stats.py
158 lines (140 loc) · 6.31 KB
/
nutanix-dst-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
#!/bin/env python
# Needs Net-SNMP Python bindings
from optparse import OptionParser
import sys
import os
import netsnmp
import pickle
import socket
import struct
import time
os.environ['MIBS'] = 'all' # install mibs in net-snmp mibs directory
# usually /usr/share/snmp/mibs
package = ([])
def fetchOID(host, username, seclevel,
authProto, authPass, privPass, privProto,
graphiteroot, dst, verbose):
if verbose:
print >> sys.stderr, 'connecting to host: %s using username: %s' % ( host, username )
statsTable = {
'dstNumRawBytes': '1.3.6.1.4.1.41263.3.1.5',
'dstNumTotalBytes': '1.3.6.1.4.1.41263.3.1.6',
'dstNumFreeBytes': '1.3.6.1.4.1.41263.3.1.7',
'dstNumTotalInodes': '1.3.6.1.4.1.41263.3.1.8',
'dstNumFreeInodes': '1.3.6.1.4.1.41263.3.1.9',
'dstTemperature': '1.3.6.1.4.1.41263.3.1.10'
}
snmp = netsnmp.Session(DestHost=host, Version=3, SecLevel=seclevel, AuthProto=authProto, AuthPass=authPass, PrivProto=privProto, PrivPass=privPass, SecName=username)
# connect and fetch the list of virtual servers
nutanixDstList = '.1.3.6.1.4.1.41263.3.1.1'
Var = netsnmp.Varbind(nutanixDstList)
Vars = netsnmp.VarList(Var)
snmp.walk(Vars)
currentTime = time.time()
for disk in Vars:
# vs.iid = the index of the virtualserver
# vs.tag = leaf identifier e.g. 'ltmVirtualServName'
# vs.val = name of virtual server
# vs.type = snmp data type, e.g. counter, integer, etc
# if we specified a list of virtualservers
# make sure we filter on those
if dst:
if disk.val not in dst:
continue
for type in statsTable:
try:
# fetch 'dstDiskId' which I understand is the scsi id
dstDiskIdOid = '1.3.6.1.4.1.41263.3.1.2' + '.' + disk.iid
head, tail = dstDiskIdOid.rsplit('.', 1)
vars = netsnmp.VarList(netsnmp.Varbind(head, tail))
result = [x[0] for x in snmp.get(vars)]
dstDiskId = x
# fetch 'dstSerial'
dstSerialOid = '1.3.6.1.4.1.41263.3.1.4' + '.' + disk.iid
head, tail = dstSerialOid.rsplit('.', 1)
vars = netsnmp.VarList(netsnmp.Varbind(head, tail))
result = [x[0] for x in snmp.get(vars)]
dstSerial = x
# now fetch stats
oid = statsTable[type] + "." + disk.iid
head, tail = oid.rsplit('.', 1)
vars = netsnmp.VarList(netsnmp.Varbind(head, tail))
result = [x[0] for x in snmp.get(vars)]
result = float(x)
if verbose:
print >> sys.stderr, '%s %s = %s' % (disk.val, type, result)
#currentTime = time.time()
datapoint = '%s.%s.%s.%s' % (graphiteroot, dstDiskId, dstSerial, type)
package.append((datapoint, (currentTime, result)))
except Exception as uhoh:
print >> sys.stderr, "could not get oid: %s" % uhoh
#sys.exit(1)
return package, currentTime, result
def makePickle(datapoint, currentTime, data, verbose, debug):
if debug:
print >> sys.stderr, 'storing pickle in \'data.p\''
fh = open('data.p', 'wb')
pickle.dump(package, fh)
sys.exit()
shippingPackage = pickle.dumps(package, 1)
return shippingPackage
def sendPickle(carbonServer, carbonPort, shippingPackage, verbose):
packageSize = struct.pack('!L', len(shippingPackage))
if verbose:
print >> sys.stderr, 'connecting to carbon server: %s on port: %s' % ( carbonServer, carbonPort )
try:
s = socket.socket()
s.connect((carbonServer, carbonPort))
s.sendall(packageSize)
s.sendall(shippingPackage)
if verbose:
print >> sys.stderr, 'sending pickle...'
except Exception as uhoh:
print "Could not connect to carbon server: %s" % uhoh
sys.exit(1)
def main():
parser = OptionParser()
parser.add_option('-H', '--host', dest='host',
help='Hostname/IP of the network device')
parser.add_option('-u', '--username', dest='username',
help='SNMPv3 username')
parser.add_option('-s', '--dst', dest='dst',
action='append',
help='Disk Stat table')
parser.add_option('-l', '--seclevel', dest='seclevel',
help='SNMPv3 security level. e.g. authPriv, authNoPriv, noAuthNoPriv')
parser.add_option('-a', '--authProto', dest='authProto',
help='SNMPv3 auth protocol. e.g. MD5 or SHA')
parser.add_option('-A', '--authpass', dest='authPass',
help='SNMPv3 auth password')
parser.add_option('-x', '--privproto', dest='privProto',
help='SNMPv3 priv protocol. e.g. AES or DES')
parser.add_option('-X', '--privpass', dest='privPass',
help='SNMPv3 priv password')
parser.add_option('-G', '--graphite-root', dest='graphiteroot',
help='root of the tree to use in Graphite')
parser.add_option('-S', '--carbon-server', dest='carbonserver',
default='127.0.0.1',
help='set the server to send the pickle to. Default: 127.0.0.1')
parser.add_option('-p', '--carbon-port', dest='carbonport',
default='2004',
type='int',
help='carbon port. Default: 2004')
parser.add_option('-v', '--verbose', dest='verbose',
action='store_true',
help='enable verbose output')
parser.add_option('-d', '--debug', dest='debug',
action='store_true',
help='do not submit to carbon. Output the pickle as file \'data.p\' in current directory')
options, args = parser.parse_args()
if not options.host or not options.username:
parser.print_help()
sys.exit()
#party time
package, currentTime, result = fetchOID(options.host, options.username, options.seclevel,
options.authProto, options.authPass, options.privPass, options.privProto,
options.graphiteroot, options.dst, options.verbose)
shippingPackage = makePickle(package, currentTime, result, options.verbose, options.debug)
sendPickle(options.carbonserver, options.carbonport, shippingPackage, options.verbose)
if __name__ == '__main__':
main()