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Update opnsense_checkmk_agent.py

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Thorsten Spille 2022-01-20 14:00:15 +01:00 committed by GitHub
parent fab74967d8
commit 6d6d9f23ca
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1 changed files with 43 additions and 8 deletions
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51
opnsense_checkmk_agent.py
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@ -38,6 +38,7 @@ import pwd
import threading import threading
import ipaddress import ipaddress
import base64 import base64
import traceback
from cryptography import x509 from cryptography import x509
from cryptography.hazmat.backends import default_backend as crypto_default_backend from cryptography.hazmat.backends import default_backend as crypto_default_backend
from xml.etree import cElementTree as ELementTree from xml.etree import cElementTree as ELementTree
@ -81,6 +82,8 @@ class checkmk_handler(StreamRequestHandler):
class checkmk_checker(object): class checkmk_checker(object):
_certificate_timestamp = 0 _certificate_timestamp = 0
_datastore_mutex = threading.RLock()
_datastore = object_dict()
def do_checks(self): def do_checks(self):
self._getosinfo() self._getosinfo()
_errors = [] _errors = []
@ -92,20 +95,29 @@ class checkmk_checker(object):
if _check.startswith("check_"): if _check.startswith("check_"):
try: try:
_lines += getattr(self,_check)() _lines += getattr(self,_check)()
except Expetion as e: except:
_errors.append(str(e)) _errors.append(traceback.format_exc())
_lines.append("<<<local:sep(0)>>>") _lines.append("<<<local:sep(0)>>>")
for _check in dir(self): for _check in dir(self):
if _check.startswith("checklocal_"): if _check.startswith("checklocal_"):
try: try:
_lines += getattr(self,_check)() _lines += getattr(self,_check)()
except Exeption as e: except:
_errors.append(str(e)) _errors.append(traceback.format_exc())
_lines.append("") _lines.append("")
sys.stderr.write("\n".join(_errors)) sys.stderr.write("\n".join(_errors))
sys.stderr.flush() sys.stderr.flush()
return "\n".join(_lines) return "\n".join(_lines)
def _get_storedata(self,section,key):
with self._datastore_mutex:
return self._datastore.get(section,{}).get(key)
def _set_storedata(self,section,key,value):
with self._datastore_mutex:
if section not in self._datastore:
self._datastore[section] = object_dict()
self._datastore[section][key] = value
def _getosinfo(self): def _getosinfo(self):
_info = json.load(open("/usr/local/opnsense/version/core","r")) _info = json.load(open("/usr/local/opnsense/version/core","r"))
_changelog = json.load(open("/usr/local/opnsense/changelog/index.json","r")) _changelog = json.load(open("/usr/local/opnsense/changelog/index.json","r"))
@ -298,6 +310,21 @@ class checkmk_checker(object):
_sock = None _sock = None
return "" return ""
def _get_openvpn_traffic(self,interface,totalbytesin,totalbytesout):
_hist_data = self._get_storedata("openvpn",interface)
_slot = int(time.time())
_slot -= _slot%60
_hist_slot = 0
_traffic_in = _traffic_out = 0
if _hist_data:
_hist_slot,_hist_bytesin, _hist_bytesout = _hist_data
pprint(_hist_data)
_traffic_in = int(totalbytesin -_hist_bytesin) / max(1,_slot - _hist_slot)
_traffic_out = int(totalbytesout - _hist_bytesout) / max(1,_slot - _hist_slot)
if _hist_slot != _slot:
self._set_storedata("openvpn",interface,(_slot,totalbytesin,totalbytesout))
return _traffic_in,_traffic_out
def checklocal_openvpn(self): def checklocal_openvpn(self):
_ret = [""] _ret = [""]
_cfr = self._config_reader().get("openvpn") _cfr = self._config_reader().get("openvpn")
@ -325,7 +352,7 @@ class checkmk_checker(object):
_server["maxclients"] = _max_clients _server["maxclients"] = _max_clients
_server_cert = self._get_certificate(_server.get("certref")) _server_cert = self._get_certificate(_server.get("certref"))
_nclients, _server["bytesin"], _server["bytesout"] = 0,0,0 _server["bytesin"], _server["bytesout"] = 0,0
_server["expiredays"] = 0 _server["expiredays"] = 0
_server["expiredate"] = "no certificate found" _server["expiredate"] = "no certificate found"
if _server_cert: if _server_cert:
@ -335,7 +362,11 @@ class checkmk_checker(object):
try: try:
_unix = "/var/etc/openvpn/server{vpnid}.sock".format(**_server) _unix = "/var/etc/openvpn/server{vpnid}.sock".format(**_server)
try: try:
_nclients, _server["bytesin"], _server["bytesout"] = re.findall("=(\d+)",self._read_from_openvpnsocket(_unix,"load-stats"))
_server["bytesin"], _server["bytesout"] = self._get_openvpn_traffic(
"SRV_{name}".format(**_server),
*(map(lambda x: int(x),re.findall("bytes\w+=(\d+)",self._read_from_openvpnsocket(_unix,"load-stats"))))
)
except: except:
pass pass
@ -395,8 +426,12 @@ class checkmk_checker(object):
if _current_conn: if _current_conn:
_client["uptime"] = max(map(lambda x: x.get("uptime"),_current_conn)) _client["uptime"] = max(map(lambda x: x.get("uptime"),_current_conn))
_client["count"] = len(_current_conn) _client["count"] = len(_current_conn)
_client["bytes_received"] = sum(map(lambda x: x.get("bytes_received"),_current_conn)) _client["bytes_received"], _client["bytes_sent"] = self._get_openvpn_traffic(
_client["bytes_sent"] = sum(map(lambda x: x.get("bytes_sent"),_current_conn)) "CL_{description}".format(**_client),
sum(map(lambda x: x.get("bytes_received"),_current_conn)),
sum(map(lambda x: x.get("bytes_sent"),_current_conn))
)
_client["longdescr"] = "" _client["longdescr"] = ""
for _conn in _current_conn: for _conn in _current_conn:
_client["longdescr"] += "Server:{server} {remote_ip}->{vpn_ip} {cipher} ".format(**_conn) _client["longdescr"] += "Server:{server} {remote_ip}->{vpn_ip} {cipher} ".format(**_conn)