def snmp():
parser = argparse.ArgumentParser()
parser.add_argument("-v","--version",help="version 1 or 2 or 3",choices=[1,2,3],type=int)
parser.add_argument("-ip","--ip",help="hostname/ip")
parser.add_argument("-c","--community",help="communit name")
parser.add_argument("-u","--v3_uname",help="v3 user name")
parser.add_argument("-x","--privprotocol",help="v3 priv protocol ex:AES")
parser.add_argument("-X","--privpassword",help="v3 priv password")
parser.add_argument("-a","--authprotocol",help="v3 auth protocol")
parser.add_argument("-A","--authpassword",help="v3 auth password")
parser.add_argument("-l","--level",help="v3 level")
parser.add_argument("-o","--oid",help="returns oid next to this oid")
try:
args = parser.parse_args()
except Exception:
print "error in arguments passed"
vars = netsnmp.VarList(netsnmp.Varbind(args.oid))
snmpgetnext=[]
if args.version==2 or args.version==1:
session=netsnmp.Session(Version=2, DestHost=args.ip,Community=args.community)
session.getnext(vars)
for i in vars:
print('{}.{} : {}'.format(i.tag, i.iid, i.val))
snmpgetnext.append('{}.{} : {}'.format(i.tag, i.iid, i.val))
if args.version==3:
session=netsnmp.Session(Version=args.version, DestHost=args.ip, SecLevel=args.level,AuthProto=args.authprotocol, AuthPass=args.authpassword, PrivProto=args.privprotocol,PrivPass=args.privpassword, SecName=args.v3_uname)
session.getnext(vars)
for i in vars:
print('{}.{} : {}'.format(i.tag, i.iid, i.val))
snmpgetnext.append('{}.{} : {}'.format(i.tag, i.iid, i.val))
return snmpgetnext
def check_status(ip, community, snmpVersion, SecLevel, SecName, PrivPass,
AuthPass):
ping = check_connect(ip)
if snmpVersion == 2:
session = netsnmp.Session(Version=2,
DestHost=ip,
Community=community,
Timeout=2000,
Retries=0)
elif snmpVersion == 3:
if SecLevel == 'authPriv':
session = netsnmp.Session(Version=3,
DestHost=ip,
SecLevel=SecLevel,
SecName=SecName,
PrivPass=PrivPass,
AuthPass=AuthPass)
else:
status = {'connect_status': 0, 'snmp_status': 0}
return status
testsnmp = netsnmp.Varbind('sysName')
varlist = netsnmp.VarList(testsnmp)
if ping == 0:
status = {'connect_status': ping, 'snmp_status': 0}
f_err.write('ping error ' + ip + '\n')
return status
else:
snmp_status = session.get(varlist)
if not snmp_status:
snmp = 0
f_err.write('snmp error ' + ip + '\n')
else:
snmp = 1
status = {'connect_status': ping, 'snmp_status': snmp}
return status
def __init__(self, nexenta):
cfg = ReadConfig()
username = cfg.get_option(nexenta['hostname'], 'snmp_user')
password = cfg.get_option(nexenta['hostname'], 'snmp_pass')
community = cfg.get_option(nexenta['hostname'], 'snmp_community')
port = cfg.get_option(nexenta['hostname'], 'snmp_port')
if not port:
port = 161
# If username/password use SNMP v3, else use SNMP v2.
if username and password:
self.session = netsnmp.Session(DestHost='%s:%s' %
(nexenta['ip'], port),
Version=3,
SecLevel='authNoPriv',
AuthProto='MD5',
AuthPass=password,
SecName=username)
elif community:
self.session = netsnmp.Session(DestHost='%s:%s' %
(nexenta['ip'], port),
Version=2,
Community=community)
else:
raise CritError("Incorrect SNMP info configured for %s" %
nexenta['hostname'])
def _snmp_session(self, vlan=None, timeout=1000000, retries=3):
# Since pickle will import this module we do not want to drag netsnmp into
# this on every load. Load it when we need it.
global _NETSNMP_CACHE
first_load = False
if _NETSNMP_CACHE is None:
first_load = True
import netsnmp
_NETSNMP_CACHE = netsnmp
else:
netsnmp = _NETSNMP_CACHE
if first_load:
# Loading MIBs can be very noisy, so we close stderr
# Ideally we would just call netsnmp_register_loghandler but that isn't
# exported :-(
stderr = os.dup(sys.stderr.fileno())
null = os.open(os.devnull, os.O_RDWR)
os.close(sys.stderr.fileno())
os.dup2(null, sys.stderr.fileno())
os.close(null)
if self.version == 3:
context = ('vlan-%s' % vlan) if vlan else ''
session = netsnmp.Session(Version=3,
DestHost=self._full_host,
SecName=self.user,
SecLevel=self.sec_level,
Context=context,
AuthProto=self.auth_proto,
AuthPass=self.auth,
PrivProto=self.priv_proto,
PrivPass=self.priv,
UseNumeric=1,
Timeout=timeout,
Retries=retries), netsnmp
else:
community = ('%s@%s' %
(self.community, vlan)) if vlan else self.community
session = netsnmp.Session(Version=self.version,
DestHost=self._full_host,
Community=community,
UseNumeric=1,
Timeout=timeout,
Retries=retries), netsnmp
if first_load:
# Restore stderr
os.dup2(stderr, sys.stderr.fileno())
os.close(stderr)
return session
def get(host=None, port=None, community=None, metrics=None):
assert host and port and community and metrics
oids = []
for k, v in oids_data.iteritems():
if k in metrics:
for kk, vv in v.iteritems():
oids.append(vv)
import netsnmp
session = netsnmp.Session(DestHost='%s:%s' % (host, port),
Version=1,
Community=community,
Timeout=2000000)
Vars = netsnmp.VarList(*oids)
snmp_data = dict(
(oid, val) for oid, val in zip(oids, session.get(Vars)))
data = {}
for metric_name in metrics:
if metric_name not in oids_data:
continue
for metric in oids_data[metric_name].keys():
try:
value = float(snmp_data[oids_data[metric_name][metric]])
except:
value = None
data.setdefault(metric_name, {}).setdefault(metric, value)
return data
def getconf_eltex(host, swuser, swpassword, snmp_comm):
snmp_session = netsnmp.Session(DestHost=host,
Version=2,
Community=snmp_comm)
snmp_vars = netsnmp.VarList(netsnmp.Varbind('.1.3.6.1.2.1.1.5.0'))
sysname = snmp_session.get(snmp_vars)
sysname = str(sysname[0].decode('utf-8'))
tn = telnetlib.Telnet(host, 23, 3)
tn.read_until(b"User Name:")
tn.write(swuser.encode('utf-8') + b"\n")
tn.read_until(b"Password:"******"\n")
time.sleep(2)
output = tn.read_some()
output = output.strip()
if "authentication failed" in output.decode('utf-8'):
tn.close()
print("Bad password on " + host)
else:
today = str(date.today())
filename = str(sysname + "-" + today)
tn.write(b"copy startup-config tftp://192.168.1.100/conf/noc-backup/" +
filename.encode('utf-8') + b"\n")
tn.close()
print('Backup for ' + sysname + ' OK!')
def fetchOID(host, community, graphiteroot, backend, verbose):
if verbose:
print >> sys.stderr, 'connecting to host: %s using community: %s' % (
host, community)
statsTable = {
'bytesIn': '1.3.6.1.4.1.29385.106.1.1.8',
'bytesOut': '1.3.6.1.4.1.29385.106.1.1.9',
'hsrp_1xx': '1.3.6.1.4.1.29385.106.1.1.39',
'hsrp_2xx': '1.3.6.1.4.1.29385.106.1.1.40',
'hsrp_3xx': '1.3.6.1.4.1.29385.106.1.1.41',
'hsrp_4xx': '1.3.6.1.4.1.29385.106.1.1.42',
'hsrp_5xx': '1.3.6.1.4.1.29385.106.1.1.43',
'hsrp_other': '1.3.6.1.4.1.29385.106.1.1.44',
'responseErrors': '1.3.6.1.4.1.29385.106.1.1.14',
'sessionCurrent': '1.3.6.1.4.1.29385.106.1.1.4',
'sessionLimit': '1.3.6.1.4.1.29385.106.1.1.6',
'sessionMax': '1.3.6.1.4.1.29385.106.1.1.5',
'totalSessions': '1.3.6.1.4.1.29385.106.1.1.7'
}
snmp = netsnmp.Session(DestHost=host, Version=2, Community=community)
# connect and fetch the list of virtual servers
backendList = '.1.3.6.1.4.1.29385.106.1.1.0'
Var = netsnmp.Varbind(backendList)
Vars = netsnmp.VarList(Var)
snmp.walk(Vars)
currentTime = time.time()
for vs in Vars:
# vs.iid = the index of the zone
# vs.tag = leaf identifier e.g. 'zone name
# vs.val = name of virtual server
# vs.type = snmp data type, e.g. counter, integer, etc
# if we specified a list of zones
# make sure we filter on those
if backend:
if vs.val not in backend:
continue
#import pdb;pdb.set_trace()
for type in statsTable:
try:
#oid = statsTable[type] + "." + vs.iid
oid = statsTable[type] + '.' + vs.tag.rsplit('.', 2)[1] + '.0'
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' % (vs.val, type, result)
#currentTime = time.time()
datapoint = '%s.%s.%s' % (graphiteroot, vs.val, 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 __init__(self,ip=''):
"""
init function, initial with DUT ip
"""
self.tnVclMacBasedVlanId=('.1.3.6.1.4.1.868.2.5.4.1.8.1.1.1.2','VlanIndex','read-create')
self.tnVclMacBasedPortMember=('.1.3.6.1.4.1.868.2.5.4.1.8.1.1.1.3','PortList','read-create')
self.tnVclMacBasedUser=('.1.3.6.1.4.1.868.2.5.4.1.8.1.1.1.4','INTEGER','read-only')
self.tnVclMacBasedRowStatus=('.1.3.6.1.4.1.868.2.5.4.1.8.1.1.1.5','RowStatus','read-create')
self.tnVclProtoBasedGroupMapProtocol=('.1.3.6.1.4.1.868.2.5.4.1.8.2.1.1.2','INTEGER','read-create')
self.tnVclProtoBasedGroupMapEtherTypeVal=('.1.3.6.1.4.1.868.2.5.4.1.8.2.1.1.3','INTEGER','read-create')
self.tnVclProtoBasedGroupMapSnapOui=('.1.3.6.1.4.1.868.2.5.4.1.8.2.1.1.4','EightOTwoOui','read-create')
self.tnVclProtoBasedGroupMapSnapPid=('.1.3.6.1.4.1.868.2.5.4.1.8.2.1.1.5','INTEGER','read-create')
self.tnVclProtoBasedGroupMapLlcDsap=('.1.3.6.1.4.1.868.2.5.4.1.8.2.1.1.6','INTEGER','read-create')
self.tnVclProtoBasedGroupMapLlcSsap=('.1.3.6.1.4.1.868.2.5.4.1.8.2.1.1.7','INTEGER','read-create')
self.tnVclProtoBasedGroupMapRowStatus=('.1.3.6.1.4.1.868.2.5.4.1.8.2.1.1.8','RowStatus','read-create')
self.tnVclProtoBasedVlanMapPortMember=('.1.3.6.1.4.1.868.2.5.4.1.8.2.2.1.2','PortList','read-create')
self.tnVclProtoBasedVlanMapRowStatus=('.1.3.6.1.4.1.868.2.5.4.1.8.2.2.1.3','RowStatus','read-create')
self.tnVclIpSubnetBasedIpAddr=('.1.3.6.1.4.1.868.2.5.4.1.8.3.1.1.2','IpAddress','read-create')
self.tnVclIpSubnetBasedMaskLen=('.1.3.6.1.4.1.868.2.5.4.1.8.3.1.1.3','INTEGER','read-create')
self.tnVclIpSubnetBasedVlanId=('.1.3.6.1.4.1.868.2.5.4.1.8.3.1.1.4','VlanIndex','read-create')
self.tnVclIpSubnetBasedPortMember=('.1.3.6.1.4.1.868.2.5.4.1.8.3.1.1.5','PortList','read-create')
self.tnVclIpSubnetBasedRowStatus=('.1.3.6.1.4.1.868.2.5.4.1.8.3.1.1.6','RowStatus','')
self.ip=ip
ret = ispingable(ip)
if ( ret == True ):
self.sess=netsnmp.Session(Version=2,DestHost=self.ip,Community='private')
print "vcl is inited in :" + ip
else:
print ip + "is not pingable!"
def netSnmpWalker(self,num):
while True:
#print self.taskq.qsize()
try:
host, oid=self.taskq.get(block=False)
oidname = self.oids[oid]
logging.debug('%s Thread [%s] take a task : [%s-%s]. Remaining Task:[%s]' % (time.time(),num,host,oidname,self.taskq.qsize()))
session = netsnmp.Session(
Community='public',
Version = 2,
DestHost = host,
Timeout = 10000000,
Retries = 3,
)
var_list = netsnmp.VarList()
var_list.append(netsnmp.Varbind(oid))
ret = session.walk(var_list)
logging.debug('%s Thread [%s] :%s [%s] walk finished.' % (time.time(),num,host,oidname))
#self.bar.cursor.restore()
#self.bar.draw(value=self.taskq.qsize())
for i in var_list:
try:
self.results[host][i.iid][i.tag]=i.val
#self.results.append({'host':host,'oid':oid,'ifdesc':self.ports[host][i.iid]['name'],'tag':i.tag,'ifindex':i.iid,'value':i.val})
except Exception, e:
#logging.error(e)
pass
except Queue.Empty:
break
def get_metrics(host, port, community, metrics):
assert host, 'host'
assert port, 'port'
assert community, 'community'
assert metrics, 'metrics'
oids = []
for k, v in OIDS.iteritems():
if k in metrics:
for kk, vv in v.iteritems():
oids.append(vv)
if not oids:
return dict()
session = netsnmp.Session(DestHost='%s:%s' % (host, port),
Version=1,
Community=community,
Timeout=2500000)
Vars = netsnmp.VarList(*oids)
snmp_data = dict((o, v) for o, v in zip(oids, session.get(Vars)))
data = dict()
for metric_name in metrics:
if metric_name not in OIDS:
continue
for metric in OIDS[metric_name].keys():
try:
value = float(snmp_data[OIDS[metric_name][metric]])
except:
value = None
data.setdefault(metric_name, {}).setdefault(metric, value)
return data
def worker_snmpwalk(entity):
''' worker called by snmpwalk function. operates on a single
node-mib object '''
target = entity['target']
oid = entity['oid']
print('Getting %s from %s ' % (oid, target))
mysession = netsnmp.Session(
Version=entity['version'],
DestHost=target,
Community=entity['community'],
UseNumeric=1,
)
vars = netsnmp.VarList(netsnmp.Varbind(oid))
result = mysession.walk(vars)
# -- Format and returns result
results = []
for i in vars:
i.hostname = target
i.oid = oid
i.tag = "%s.%s" % (i.tag, i.iid)
results.append(i)
return results
def get_detailed_subs():
"""
Get detailed subs
OID : .1.3.6.1.4.1.9.9.786.1.1.1.1.22
This object indicates the NAS port-identifier identifying the
port on the NAS providing access to the subscriber.
OID : .1.3.6.1.4.1.9.9.786.1.1.1.1.23
This object indicates the domain associated with the
subscriber.
OID : .1.3.6.1.4.1.9.9.786.1.1.1.1.24
This object indicates the username identifying the subscriber.
This function collect information (NAS port, domain and username) about subscribers.
"""
for h in data['hosts']:
ip = data['hosts'][h]['ip']
var_oid_22 = netsnmp.Varbind(OID_22)
var_oid_23 = netsnmp.Varbind(OID_23)
var_oid_24 = netsnmp.Varbind(OID_24)
vars_list = netsnmp.VarList(var_oid_22, var_oid_23, var_oid_24)
session = netsnmp.Session(DestHost=ip, Version=2, Community=key)
session.UseLongNames = 1
for i in range(data['hosts'][h]['nb_sub']):
reply = session.getnext(vars_list)
result.append({
'vlan': (int(reply[0].split('/')[-1].split('.')[0])),
'domain': (reply[1].split('.', 1)[1]),
'user': (reply[2])
})
def get(self, port=None, cfg=None, timeout=0):
work_oids = {'t': 16, 'h': 17}
wo = work_oids.get(port)
if wo is None: return None
snmp_oid = 'iso.3.6.1.4.1.3854.1.2.2.1.%u.1.3.%u' % (
wo, self.sensor_port - 1)
_timeout = timeout / self.snmp_tries
if netsnmp:
try:
sess = netsnmp.Session(Version=1,
DestHost=self.snmp_host,
RemotePort=self.snmp_port,
Community=self.community,
Timeout=int(_timeout * 1000000),
Retries=self.snmp_tries - 1)
return sess.get(netsnmp.VarList(snmp_oid))[0].decode()
except:
log_traceback()
return None
else:
return snmp.get(snmp_oid,
self.snmp_host,
self.snmp_port,
self.community,
_timeout,
self.snmp_tries - 1,
rf=int,
snmp_ver=1)
def setUp(self):
self.sess = netsnmp.Session(Version=self.snmpver,
DestHost=self.ipstr,
Community=self.community)
self.sess.UseEnums = 1
self.sess.UseLongNames = 1
def session_v2(host, community):
return netsnmp.Session(Version=2,
DestHost=host,
Community=community,
UseNumeric=1,
Timeout=10000000,
Retries=3)
def create_session(self, timeout):
return netsnmp.Session(Version=2,
DestHost=self.host,
RemotePort=self.port,
Community=self.community,
Timeout=int(timeout * 1000000),
Retries=self.retries)
def do_snmpquery(snmpcmd, oid_to_get, snmpget):
"""Do an SNMP query
Args:
snmpcmd: SNMP variables required to do SNMP queries on device
oid_to_get: OID to walk
snmpget: Flag determining whether to do a GET or WALK
Returns:
Dictionary of tuples (OID, value)
"""
# Initialize variables
return_results = {}
results_objs = False
session = False
# Get OID
try:
session = netsnmp.Session(DestHost=snmpcmd['ipaddress'],
Version=snmpcmd['version'],
Community=snmpcmd['community'],
SecLevel='authPriv',
AuthProto=snmpcmd['authprotocol'],
AuthPass=snmpcmd['authpassword'],
PrivProto=snmpcmd['privprotocol'],
PrivPass=snmpcmd['privpassword'],
SecName=snmpcmd['secname'],
UseNumeric=True)
results_objs = netsnmp.VarList(netsnmp.Varbind(oid_to_get))
if snmpget:
session.get(results_objs)
else:
session.walk(results_objs)
except Exception as exception_error:
# Check for errors and print out results
print('ERROR: Occurred during SNMPget for OID %s from %s: '
'(%s)') % (oid_to_get, snmpcmd['ipaddress'], exception_error)
sys.exit(2)
# Crash on error
if (session.ErrorStr):
print(
'ERROR: Occurred during SNMPget for OID %s from %s: '
'(%s) ErrorNum: %s, ErrorInd: %s') % (
oid_to_get, snmpcmd['ipaddress'], session.ErrorStr,
session.ErrorNum, session.ErrorInd)
sys.exit(2)
# Construct the results to return
for result in results_objs:
if is_number(result.val):
return_results[('%s.%s') % (result.tag, result.iid)] = (float(
result.val))
else:
return_results[('%s.%s') % (result.tag, result.iid)] = (result.val)
return return_results
def __get_oid(self, oid, index=""):
if index != "":
snmp_community_index = self.__snmp_community + "@" + index
else:
snmp_community_index = self.__snmp_community
oid_varlist = netsnmp.VarList(netsnmp.Varbind(oid))
session = netsnmp.Session(DestHost=self.__ip_address,
Version=2,
Community=snmp_community_index,
Retries=1)
session.UseLongNames = 1
session.UseNumeric = 1
res = session.walk(oid_varlist)
result_dict = {}
i = 0
for var in oid_varlist:
if var.tag != None:
oid_suffix = var.tag.replace(oid, "") + "." + var.iid
if oid_suffix[:1] == ".":
oid_suffix = oid_suffix[1:]
result_dict[oid_suffix] = res[i]
i += 1
return result_dict
def main(args): # pragma: no cover
logging.basicConfig(format='%(levelname)s: %(message)s',
level=logging.INFO)
options = parse_args(args)
with open(options.community_file) as community_file:
community = community_file.read().strip()
with open(options.switch_config_file) as config:
switch_config = models.load_switch_config(config)
# Version "2" means "2c".
session = netsnmp.Session(DestHost=options.hostname,
Version=2,
Community=community)
discover_session = discovery.DiscoverySession(
simple_session.SimpleSession(session), switch_config)
if options.command == 'collectd-snmp-config':
output = generate_collectd_snmp_config(discover_session,
options.hostname, community)
elif options.command == 'update-snmp-community':
output = update_snmp_community(discover_session, options.hostname,
switch_config, community)
sys.stdout.write(output + '\n')
sys.stdout.flush()
def getOid(oid):
session = netsnmp.Session(DestHost=cmIP, Version=2, Community='private')
vars = netsnmp.VarList(netsnmp.Varbind(oid))
#print( session.get(vars) )
value = (session.get(vars))
#value = value.replace("(","") ; value = value.replace(")","") ; value = value.replace("'","") ; value = value.replace(",","") ## Clean up the string
return value
def redbackSNMPWalk(data, ip, version, community):
"""
Call a snmp walk on the designated REDBACK device (ip), retrieve list of connected subscriber
:param ip:
:param version:
:param community:
:return Vars: List of OID where usernames are encoded
"""
session = netsnmp.Session(DestHost=ip,
Version=version,
Community=community)
session.UseLongNames = 1
oid = ".1.3.6.1.4.1.2352.2.27.1.1.1.1.3"
var = netsnmp.Varbind(oid)
vars_list = netsnmp.VarList(var)
logging.debug("--- %s seconds ---" % (time.time() - start_time))
logging.debug(f'Snmp walk to {ip}')
subscribers = (session.walk(vars_list))
i = 0
for sub in subscribers:
subtype = redbackVlanFind(sub)
user = redbackLoginDecode(vars_list[i].tag)
realm = ".".join(user.split('@')[1].split('.')[1:3])
if subtype != 0:
subtype = subtype
else:
subtype = loginClassify(data, realm)
connected_logins.append(
(user, psycopg2.TimestampFromTicks(time.time() // 1),
psycopg2.TimestampFromTicks(time.time() // 1), True, subtype,
True))
i += 1
def snmpGet(host, oid):
session = netsnmp.Session(Version=2,
DestHost=host,
Community=snmp_community)
results_objs = netsnmp.VarList(netsnmp.Varbind(oid))
session.get(results_objs)
return results_objs
def setup_v3():
sess = netsnmp.Session(**snmp_dest(Version=3,
SecLevel='authPriv',
SecName='initial',
PrivPass='******',
AuthPass='******'))
sess.UseSprintValue = 1
return sess
def get_v2_session(self, host, version_ops):
version_ops.setdefault('community', 'public')
version_ops.setdefault('retries', 3)
session = netsnmp.Session(DestHost=host,
Version=2,
Community=version_ops['community'],
Retries=int(version_ops['retries']))
return session
def GetSNMPData(IP, oid, community, VLAN):
#Create SNMP session with device IP and return SNMP Data as list of the objects
SNMPData = netsnmp.VarList(netsnmp.Varbind(oid))
session = netsnmp.Session(DestHost=IP,
Version=2,
Community=community + VLAN)
session.walk(SNMPData)
return SNMPData
def __init__(self,oltip,snmpCommunity): self._snmp_session = netsnmp.Session(DestHost=oltip, Version = 2,Community = snmpCommunity, UseNumeric=1, Timeout=10000000) self.oltip = oltip self.snmpCommunity = snmpCommunity #print self._snmp_session self.activeOlt= self.getActiveOltID() self.dbase = databaseGpon(databaseVars['address'],databaseVars['user'],databaseVars['password'],databaseVars['database']) print self.activeOlt
def get_data(self, connection_info, metric):
'''
type connection_info: list of strings
param connection_info: List [host, port, community]
type task: list of strings
param task: List [cpu | mem | la | net] io - not supported by snmp strategy
return: dictionary {
'cpu':{
'user':1234,
'nice':1234,
...}
'la':{
'la1':0.1,
...}
'mem':{
'swap':12345,
...}
'net':{
'in':12345,
'out':12345}}
'''
host = connection_info[0]
port = connection_info[1]
community = connection_info[2]
oids = []
for metric_name in metric:
oids += oids_data[metric_name].values()
session = netsnmp.Session(DestHost='%s:%s' % (host, port),
Version=1,
Community=community)
Vars = netsnmp.VarList(*oids)
snmp_data = dict(
(oid, val) for oid, val in zip(oids, session.get(Vars)))
def _convert_from_str(value):
if type(value) is str:
if '.' in value:
return float(value)
else:
return int(value)
else:
return 'U'
for oid, value in snmp_data.iteritems():
snmp_data[oid] = _convert_from_str(value)
data = {}
for metric_name in metric:
for metric in oids_data[metric_name].keys():
data.setdefault(metric_name, {}).setdefault(
metric, snmp_data[oids_data[metric_name][metric]])
return data
def fetchOID(host, community, graphiteroot, interface, verbose):
if verbose:
print >> sys.stderr, 'connecting to host: %s using community: %s' % (
host, community)
statsTable = {
'sysInterfaceStatPktsIn': '1.3.6.1.4.1.3375.2.1.2.4.4.3.1.2',
'sysInterfaceStatBytesIn': '1.3.6.1.4.1.3375.2.1.2.4.4.3.1.3',
'sysInterfaceStatPktsOut': '1.3.6.1.4.1.3375.2.1.2.4.4.3.1.4',
'sysInterfaceStatBytesOut': '1.3.6.1.4.1.3375.2.1.2.4.4.3.1.5',
'sysInterfaceStatMcastIn': '1.3.6.1.4.1.3375.2.1.2.4.4.3.1.6',
'sysInterfaceStatMcastOut': '1.3.6.1.4.1.3375.2.1.2.4.4.3.1.7',
'sysInterfaceStatErrorsIn': '1.3.6.1.4.1.3375.2.1.2.4.4.3.1.8',
'sysInterfaceStatErrorsOut': '1.3.6.1.4.1.3375.2.1.2.4.4.3.1.9',
'sysInterfaceStatDropsIn': '1.3.6.1.4.1.3375.2.1.2.4.4.3.1.10',
'sysInterfaceStatDropsOut': '1.3.6.1.4.1.3375.2.1.2.4.4.3.1.11',
'sysInterfaceStatCollisions': '1.3.6.1.4.1.3375.2.1.2.4.4.3.1.12'
}
snmp = netsnmp.Session(DestHost=host, Version=2, Community=community)
# connect and fetch the list of virtual servers
interfaceList = '.1.3.6.1.4.1.3375.2.1.2.4.1.2.1.1'
Var = netsnmp.Varbind(interfaceList)
Vars = netsnmp.VarList(Var)
snmp.walk(Vars)
currentTime = time.time()
for vs in Vars:
# vs.iid = the index of the interface
# 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 interfaces
# make sure we filter on those
if interface:
if vs.val not in interface:
continue
for type in statsTable:
try:
oid = statsTable[type] + "." + vs.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' % (vs.val, type, result)
#currentTime = time.time()
datapoint = '%s.%s.%s' % (graphiteroot, vs.val.replace(
'.', '-'), 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 get(connection_info, metrics):
"""
:type connection_info: dictionary
:param connection_info: {'host':host, 'port':port, 'community':community}
:type metrics: list of strings
:param metrics: list ['cpu', 'mem', 'la', 'net', 'io']
:rtype: dictionary
:returns: {
'cpu':{
'user':value,
'nice':value,
...}
'la':{
'la1':value,
...}
'mem':{
'swap':value,
...}
'net':{
'in':value,
'out':value}}
"""
host = connection_info['host']
port = connection_info['port']
community = connection_info['community']
oids = []
for k, v in oids_data.iteritems():
if k in metrics:
for kk, vv in v.iteritems():
oids.append(vv)
session = netsnmp.Session(DestHost='%s:%s' % (host, port),
Version=1,
Community=community,
Timeout=1000000)
Vars = netsnmp.VarList(*oids)
snmp_data = dict(
(oid, val) for oid, val in zip(oids, session.get(Vars)))
data = {}
for metric_name in metrics:
if metric_name not in oids_data:
continue
for metric in oids_data[metric_name].keys():
try:
value = float(snmp_data[oids_data[metric_name][metric]])
except Exception:
value = None
data.setdefault(metric_name, {}).setdefault(metric, value)
return data
def __init__(self, DestHost):
self.log = lib_Log.Log(PrintToConsole=True)
self.Error = False
self.log.increaseLevel()
self.destHost = DestHost
#new from here
self.community = 'public'
self.remotePort = 161
self.snmpVersion = 2 #2 => 2c
self.tables = {}
self.snmpSession = netsnmp.Session(Version=self.snmpVersion,
DestHost=self.destHost,
Community=self.community,
RemotePort = self.remotePort,
Timeout = 500000, #micro-sec
Retries = 2,
UseNumeric = 1, #using OIDs
)
self.oidConversion = {}
self.textualConversion = {}
self.textualConversion['ifMib_ifAdminStatus'] = {1 : 'up', 2: 'down', 3: 'testing' }
self.textualConversion['ifMib_ifOperStatus'] = {1 : 'up', 2: 'down', 3: 'testing', 4: 'unknown', 5: 'dormant', 6: 'notPresent', 7: 'lowerLayerDown' }
self.textualConversion['ifMib_IANAifType'] = {1 : 'other', 6: 'ethernetCsmacd', 33: 'rs232', 53: 'propVirtual' }
self.textualConversion['PowerEthernetMib_pethPsePortAdminEnable'] = {1 : 'true', 2: 'false' }
self.textualConversion['PowerEthernetMib_pethPsePortDetectionStatus'] = {1 : 'disabled', 2: 'searching', 3: 'deliveringPower', 4: 'fault', 5: 'test', 6: 'otherFault'}
self.textualConversion['PowerEthernetMib_pethMainPseOperStatus'] = {1 : 'on', 2: 'off', 3: 'faulty' }
self.textualConversion['EntityMib_entPhysicalClass'] = {1: 'other', 2: 'unkown', 3: 'chassis', 4: 'backplane', 5: 'container', 6: 'powerSupply', 7: 'fan', 8: 'sensor', 9: 'module', 10: 'port', 11: 'stack', 12: 'cpu'}
self.textualConversion['QBridgeMib_dot1qVlanStatus'] = {1: 'other', 2: 'permanent', 3: 'dynamicGvrp'}
#general SNMPv2MIB definition
self.oidConversion.update({
'.1.3.6.1.2.1.1.1' : {'name': 'sysDescr'},
'.1.3.6.1.2.1.1.2' : {'name': 'sysObjectID'},
'.1.3.6.1.2.1.1.3' : {'name': 'sysUptime'},
'.1.3.6.1.2.1.1.4' : {'name': 'sysContact'},
'.1.3.6.1.2.1.1.5' : {'name': 'sysName'},
'.1.3.6.1.2.1.1.6' : {'name': 'sysLocation'},
'.1.3.6.1.2.1.1.7' : {'name': 'sysServices'},
})
self.SNMPv2MIB_varList = netsnmp.VarList(
netsnmp.Varbind('.1.3.6.1.2.1.1.1'),
#netsnmp.Varbind('.1.3.6.1.2.1.1.2'),
netsnmp.Varbind('.1.3.6.1.2.1.1.3'),
netsnmp.Varbind('.1.3.6.1.2.1.1.4'),
netsnmp.Varbind('.1.3.6.1.2.1.1.5'),
netsnmp.Varbind('.1.3.6.1.2.1.1.6'),
#netsnmp.Varbind('.1.3.6.1.2.1.1.7'),
)
