icinga2-checks/check_nginx

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2023-04-21 23:54:17 -06:00
#!/usr/bin/env python3
# check_nginx is a Nagios to monitor nginx status
# The version is 1.0.2
# fixed by Nikolay Kandalintsev (twitter: @nicloay)
# Based on yangzi2008@126.com from http://www.nginxs.com
# which available here http://exchange.nagios.org/directory/Plugins/Web-Servers/nginx/check_nginx/details
import getopt
import string
import sys
import traceback
import urllib
from urllib.request import urlopen
def usage():
print("""check_nginx is a Nagios to monitor nginx status
Usage:
check_nginx [-h|--help][-U|--url][-P|--path][-u|--user][-p|--passwd][-w|--warning][-c|--critical]
Options:
--help|-h)
print check_nginx help.
--url|-U)
Sets nginx status url.
--path|-P)
Sets nginx status url path. Default is: off
--user|-u)
Sets nginx status BasicAuth user. Default is: off
--passwd|-p)
Sets nginx status BasicAuth passwd. Default is: off
--warning|-w)
Sets a warning level for nginx Active connections. Default is: off
--critical|-c)
Sets a critical level for nginx Active connections. Default is: off
Example:
The url is www.nginxs.com/status
./check_nginx -U www.nginxs.com -P /status -u eric -p nginx -w 1000 -c 2000
if dont't have password:
./check_nginx -U www.nginxs.com -P /status -w 1000 -c 2000
if don't have path and password:
./check_nginx -U www.nginxs.com -w 1000 -c 2000""")
sys.exit(3)
try:
options, args = getopt.getopt(sys.argv[1:], "hU:P:u:p:w:c:", ["help", "url=", "path=", "user=", "passwd=", "warning=", "critical="])
except getopt.GetoptError:
usage()
sys.exit(3)
for name, value in options:
if name in ("-h", "--help"):
usage()
if name in ("-U", "--url"):
url = "http://" + value
if name in ("-P", "--path"):
path = value
if name in ("-u", "--user"):
user = value
if name in ("-p", "--passwd"):
passwd = value
if name in ("-w", "--warning"):
warning = value
if name in ("-c", "--critical"):
critical = value
try:
if 'path' in dir():
req = urllib.Request(url + path)
else:
req = urllib.Request(url)
if 'user' in dir() and 'passwd' in dir():
passman = urllib.HTTPPasswordMgrWithDefaultRealm()
passman.add_password(None, url + path, user, passwd)
authhandler = urllib.HTTPBasicAuthHandler(passman)
opener = urllib.build_opener(authhandler)
urllib.install_opener(opener)
response = urlopen(req)
the_page = response.readline()
conn = the_page.split()
ActiveConn = conn[2]
the_page1 = response.readline()
the_page2 = response.readline()
the_page3 = response.readline()
response.close()
b = the_page3.split()
reading = b[1]
writing = b[3]
waiting = b[5]
output = 'ActiveConn:%s,reading:%s,writing:%s,waiting:%s' % (ActiveConn, reading, writing, waiting)
perfdata = 'ActiveConn=%s;reading=%s;writing=%s;waiting=%s' % (ActiveConn, reading, writing, waiting)
except Exception:
print("NGINX STATUS unknown: Error while getting Connection")
print(traceback.format_exc())
sys.exit(3)
if 'warning' in dir() and 'critical' in dir():
if int(ActiveConn) >= int(critical):
print('CRITICAL - %s|%s' % (output, perfdata))
sys.exit(2)
elif int(ActiveConn) >= int(warning):
print('WARNING - %s|%s' % (output, perfdata))
sys.exit(1)
else:
print('OK - %s|%s' % (output, perfdata))
sys.exit(0)
else:
print('OK - %s|%s' % (output, perfdata))
sys.exit(0)