def detect(self):
ret = {}
from zdcp.SettingsContainer import SC
from netsnmp import VarList, Varbind, Session
try:
# .1.3.6.1.2.1.1.1.0 : Device info
# .1.3.6.1.2.1.1.5.0 : Device name
devobjs = VarList(Varbind('.1.3.6.1.2.1.1.1.0'), Varbind('.1.3.6.1.2.1.1.5.0'))
session = Session(Version = 2, DestHost = self._ip, Community = SC['snmp']['read_community'], UseNumeric = 1, Timeout = 100000, Retries = 2)
session.get(devobjs)
ret['result'] = "OK" if (session.ErrorInd == 0) else "NOT_OK"
except Exception as err:
ret['snmp'] = "Not able to do SNMP lookup (check snmp -> read_community): %s"%str(err)
else:
ret['info'] = {'model':'unknown', 'type':'generic','snmp':devobjs[1].val.lower() if devobjs[1].val else 'unknown'}
if devobjs[0].val:
infolist = devobjs[0].val.split()
if infolist[0] == "Juniper":
if infolist[1] == "Networks,":
ret['info']['model'] = infolist[3].lower()
for tp in [ 'ex', 'srx', 'qfx', 'mx', 'wlc' ]:
if tp in ret['info']['model']:
ret['info']['type'] = tp
break
else:
subinfolist = infolist[1].split(",")
ret['info']['model'] = subinfolist[2]
elif infolist[0] == "VMware":
ret['info']['model'] = "esxi"
ret['info']['type'] = "esxi"
elif infolist[0] == "Linux":
ret['info']['model'] = 'debian' if "Debian" in devobjs[0].val else 'generic'
else:
ret['info']['model'] = " ".join(infolist[0:4])
return ret
def get_vm_state(self, aid):
from netsnmp import VarList, Varbind, Session
try:
vmstateobj = VarList(Varbind(".1.3.6.1.4.1.6876.2.1.1.6." + str(aid)))
session = Session(Version = 2, DestHost = self._ip, Community = SC['snmp']['read_community'], UseNumeric = 1, Timeout = 100000, Retries = 2)
session.get(vmstateobj)
return vmstateobj[0].val
except:
pass
return "unknown"
def detect(aDict):
"""Function docstring for detect TBD. TODO -> make this a function of generic device instead !!! ZEB
Args:
- ip (required)
Output:
"""
from os import system
if system("ping -c 1 -w 1 {} > /dev/null 2>&1".format(aDict['ip'])) != 0:
return {'result':'NOT_OK', 'info':'Not pingable' }
ret = {'result':'OK'}
from netsnmp import VarList, Varbind, Session
try:
# .1.3.6.1.2.1.1.1.0 : Device info
# .1.3.6.1.2.1.1.5.0 : Device name
devobjs = VarList(Varbind('.1.3.6.1.2.1.1.1.0'), Varbind('.1.3.6.1.2.1.1.5.0'))
session = Session(Version = 2, DestHost = aDict['ip'], Community = SC['snmp']['read_community'], UseNumeric = 1, Timeout = 100000, Retries = 2)
session.get(devobjs)
except Exception as err:
ret['snmp'] = "Not able to do SNMP lookup (check snmp -> read_community): %s"%str(err)
ret['info'] = {'model':'unknown', 'type':'generic','snmp':devobjs[1].val.lower() if devobjs[1].val else 'unknown'}
if devobjs[0].val:
infolist = devobjs[0].val.split()
if infolist[0] == "Juniper":
if infolist[1] == "Networks,":
ret['info']['model'] = infolist[3].lower()
for tp in [ 'ex', 'srx', 'qfx', 'mx', 'wlc' ]:
if tp in ret['info']['model']:
ret['info']['type'] = tp
break
else:
subinfolist = infolist[1].split(",")
ret['info']['model'] = subinfolist[2]
elif infolist[0] == "VMware":
ret['info']['model'] = "esxi"
ret['info']['type'] = "esxi"
elif infolist[0] == "Linux":
ret['info']['model'] = 'debian' if "Debian" in devobjs[0].val else 'generic'
else:
ret['info']['model'] = " ".join(infolist[0:4])
return ret
def get_state(self, slot, unit):
from netsnmp import VarList, Varbind, Session
try:
stateobj = VarList(
Varbind(".1.3.6.1.4.1.10418.17.2.5.5.1.5.1.{}.{}".format(
slot, unit)))
session = Session(Version=2,
DestHost=self._ip,
Community=SC['snmp']['read_community'],
UseNumeric=1,
Timeout=100000,
Retries=2)
session.get(stateobj)
return {
'res': 'OK',
'state': Device.get_outlet_state(stateobj[0].val)
}
except Exception as e:
self.log_msg("Avocent : error getting state:" + str(e))
return {'res': 'NOT_OK', 'info': str(e), 'state': 'unknown'}
def get_switch_model(self, ip):
""" Возвращает класс свитча """
oid_system = 'iso.3.6.1.2.1.1.1.0'
sess = Session(Version=self.version, DestHost=ip, Community=self.community)
cl, = sess.get(VarList(Varbind(oid_system)))
if not cl:
return {
'status' : Status.ERROR,
'msg' : 'Предположительно свитч лежит!'
}
pattern = compile('(?:D[GE]S|D-Link)')
if 'Huawei' in cl:
if 'S2300' in cl:
return {
'status' : Status.SUCCESS,
'sw' : S2300(self.swconf, ip)
}
elif 'CX200' in cl:
return {
'status' : Status.SUCCESS,
'sw' : CX200(self.swconf, ip)
}
elif 'S3328' in cl:
return {
'status' : Status.SUCCESS,
'sw' : S3328(self.swconf, ip)
}
else:
print(cl)
return {
'status' : Status.NOTFOUND
}
elif search(pattern, cl):
if '3026' in cl:
return {
'status' : Status.SUCCESS,
'sw' : D3026(self.swconf, ip)
}
return {
'status' : Status.SUCCESS,
'sw' : Dlink(self.swconf, ip)
}
print(cl)
return {
'status' : Status.NOTFOUND
}
class SNMPSession:
def __init__(self, host, community, version=2):
self.session = None
self.host = host
self.community = community
self.version = version
def connect(self):
self.session = Session(
DestHost=self.host,
Community=self.community,
Version=self.version,
UseNumeric=1,
)
def walk(self, oid, stripoid=True):
if not self.session:
self.connect()
vb = Varbind(oid)
vl = VarList(vb)
self.session.walk(vl)
ret = {}
for v in vl:
if v.tag is None:
continue
full_oid = v.tag
if v.iid or v.iid == 0:
full_oid = v.tag + "." + v.iid
if stripoid:
full_oid = full_oid.replace(oid, '')
full_oid = full_oid.replace(".", '')
ret[full_oid] = v.val
return ret
def get(self, oid):
if not self.session:
self.connect()
return self.session.get(oid)[0]
class SNMPSession:
def __init__(self,
host,
community,
version=2,
timeout=2000000,
retries=0,
max_repetitions=49):
self.session = None
self.host = host
self.community = community
self.version = version
self.timeout = timeout
self.retries = retries
self.max_rep = max_repetitions
def connect(self):
#resolve hostname
try:
ip = gethostbyname(self.host)
except:
logging.debug('Could not resolve', self.host, 'connection failed')
self.session = None
return None
self.session = Session(
DestHost=ip,
Community=self.community,
Version=self.version,
UseNumeric=1,
Timeout=self.timeout,
Retries=self.retries,
)
def walk(self, oid, stripoid=True, expect_str=False):
vb = Varbind(oid)
vl = VarList(vb)
self.session.walk(vl)
ret = {}
for v in vl:
if v.tag is None:
continue
full_oid = v.tag
(full_oid, val) = handle_vb(v, expect_str)
if stripoid:
full_oid = full_oid.replace(oid + ".", '')
ret[full_oid] = val
return ret
def bulkwalk(self,
oid,
stripoid=True,
startidx=None,
endidx=None,
expect_str=False):
ret = {}
if oid[0] != ".":
oid = "." + oid
startindexpos = startidx
runningtreename = oid
stop = False
while (runningtreename.startswith(oid) and stop is False):
vrs = VarList(Varbind(runningtreename, startindexpos))
result = self.session.getbulk(0, self.max_rep, vrs)
if self.session.ErrorInd:
logging.warn("walk failed on: {0} ({1})".format(
self.host, self.session.ErrorStr))
key = None
if not result:
logging.warn("got no result: %s %s", self.host, oid)
break
""" Print output from running getbulk"""
for i in vrs:
if endidx and int(i.iid) > int(endidx):
stop = True
break
if not i.tag.startswith(oid):
break
(full_oid, val) = handle_vb(i, expect_str)
key = full_oid.replace(oid + ".", "")
if stripoid:
ret[key] = val
else:
ret[full_oid] = val
""" Set startindexpos for next getbulk """
if not vrs[-1].iid or not key or stop:
break
startindexpos = vrs[-1].iid
""" Refresh runningtreename from last result"""
runningtreename = vrs[-1].tag
return ret
def get(self, oid):
return self.session.get(oid)[0]