PRG-py_snmp

 PY SNMP

install

pkg install tcl86 tk86 p5-Tcl p5-Tk p5-Term-ReadKey
pip3 install pysnmp pysnmp-mibs pysmi

Py> pip3.7 install --upgrade pysnmp pysnmp pysnmp-mibs pysmi 
Collecting pysnmp
 Downloading pysnmp-4.4.12-py2.py3-none-any.whl (296 kB)
    |████████████████████████████████| 296 kB 2.5 MB/s 
Collecting pyasn1>=0.2.3
 Downloading pyasn1-0.4.8-py2.py3-none-any.whl (77 kB)
    |████████████████████████████████| 77 kB 787 kB/s 
Collecting pysmi
 Downloading pysmi-0.3.4-py2.py3-none-any.whl (80 kB)
    |████████████████████████████████| 80 kB 667 kB/s 
Collecting pycryptodomex
 Downloading pycryptodomex-3.10.1-cp35-abi3-manylinux2010_x86_64.whl (1.9 MB)
    |████████████████████████████████| 1.9 MB 710 kB/s 
Collecting ply
 Downloading ply-3.11-py2.py3-none-any.whl (49 kB)
    |████████████████████████████████| 49 kB 1.2 MB/s 
Installing collected packages: ply, pysmi, pycryptodomex, pyasn1, pysnmp
Successfully installed ply-3.11 pyasn1-0.4.8 pycryptodomex-3.10.1 pysmi-0.3.4 pysnmp-4.4.12

check snmp_host

snmpwalk -v 2c -c public snmp_hosts_name_ip hrStorage

Private MIB の追加

**ダウンロードしてくる
$ ~/.local/bin/mibdump.py  ./dir-name/* 

１分以内に終わらない場合にはファイルが足りない。。可能性（ネットに繋がっていない場合。。も）
http://www.circitor.fr/Mibs/Mibs.php

Sample

#
# -*- encoding: utf-8 -*-
import sys
from pysnmp import asn1, v1, v2c
from pysnmp import role

def snmp_set(ip, community, oid_values, port=161, retries=5, timeout=1, version='1'):
   """
   usage: snmp_set('192.168.10.1', 'comunity', [('1.3.6.1.2.1.43.10.2.1.4.1.1', 'i', 1),])
   """
   client = role.manager((ip, port))
   client.timeout = timeout
   client.retries = retries
   varargs = []
   for oid, type, value in oid_values:
       if type == 'i':
           varargs.append((oid, 'INTEGER', int(value)))
       elif type == 'u':
           varargs.append((oid, 'UNSIGNED32', int(value)))
       elif type == 't':
           varargs.append((oid, 'TIMETICKS', int(value)))
       elif type == 'a':
           varargs.append((oid, 'IPADDRESS', value))
       elif type == 'o':
           varargs.append((oid, 'OBJECTID', value))
       elif type == 's':
           varargs.append((oid, 'OCTETSTRING', value))
       elif type == 'U':
           varargs.append((oid, 'COUNTER64', long(value)))
       else:
           print 'Unknown value type \'%s\'' % (type)
           sys.exit(-1)

   try:
       req = eval('v' + version).SETREQUEST()
       rsp = eval('v' + version).GETRESPONSE()
   except (NameError, AttributeError):
       print 'Unsupported SNMP protocol version: %s\n%s' % (version, usage)
       sys.exit(-1)

   encoded_oids = []
   encoded_vals = []
   for (oid, type, val) in varargs:
       encoded_oids.append(asn1.OBJECTID().encode(oid))
       encoded_vals.append(eval('asn1.'+type+'()').encode(val))

   return client.send_and_receive(req.encode(community=community,  encoded_oids=encoded_oids, encoded_vals=encoded_vals))

disk size

https://qiita.com/mugi-tea/items/ed0a2500326533af73e5

SNMP

https://engineeringnote.hateblo.jp/entry/snmp/python/pysnmp

https://engineeringnote.hateblo.jp/entry/snmp/python/pysnmp

SNMP で応用

https://heartbeats.jp/hbblog/2013/02/predict-rrdtool.html

MIB の一覧

http://park1.wakwak.com/%7Eima/freebsd_netsnmpoidlist.html

http://www.circitor.fr/Mibs/Mibs.php