87 lines
3.6 KiB
Python
Executable File
87 lines
3.6 KiB
Python
Executable File
#!/usr/bin/env python
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import argparse
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import sys
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import requests
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from checker import nagios
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def check_nginx_status(url):
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try:
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response = requests.get(url)
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response.raise_for_status()
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return response.text
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except requests.exceptions.RequestException as e:
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print("CRITICAL - Unable to connect to Nginx stub_status: {}".format(e))
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sys.exit(2)
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def parse_nginx_status(status):
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try:
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lines = status.strip().split("\n")
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data = {}
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for line in lines:
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parts = line.split()
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if "Active" in line:
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data["active_connections"] = int(parts[2])
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elif "server accepts handled requests" in line:
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continue
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elif len(parts) == 3 and parts[1].isdigit():
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data["accepted"] = int(parts[0])
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data["handled"] = int(parts[1])
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data["requests"] = int(parts[2])
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elif "Reading" in line:
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data["reading"] = int(parts[1])
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data["writing"] = int(parts[3])
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data["waiting"] = int(parts[5])
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return data
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except Exception as e:
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print(f'UNKNOWN: failed to parse status page: {e}')
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sys.exit(nagios.UNKNOWN)
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def main():
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parser = argparse.ArgumentParser(description="Check Nginx status using stub_status.")
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parser.add_argument("--url", required=True, help="URL to Nginx stub_status.")
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parser.add_argument("--critical-active", type=int, default=0, help="Critical threshold for active connections. Default: disabled")
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parser.add_argument("--warning-active", type=int, default=0, help="Warning threshold for active connections. Default: disabled")
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parser.add_argument("--critical-waiting", type=int, default=0, help="Critical threshold for waiting connections. Default: disabled")
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parser.add_argument("--warning-waiting", type=int, default=0, help="Warning threshold for waiting connections. Default: disabled")
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args = parser.parse_args()
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status = check_nginx_status(args.url)
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data = parse_nginx_status(status)
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status_str = "Active connections: {active_connections}, Waiting: {waiting}, Accepted: {accepted}, Handled: {handled}, Requests: {requests}, Reading: {reading}, Writing: {writing}".format(**data)
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if args.warning_active > 0 and args.critical_active > 0 and args.warning_waiting > 0 and args.critical_waiting > 0:
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perfdata = "| active_connections={active_connections};{warning};{critical} waiting={waiting};{warning_waiting};{critical_waiting} accepted={accepted} handled={handled} requests={requests} reading={reading} writing={writing}".format(
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warning=args.warning_active,
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critical=args.critical_active,
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warning_waiting=args.warning_waiting,
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critical_waiting=args.critical_waiting,
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**data
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)
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if data["active_connections"] >= args.critical_active or data["waiting"] >= args.critical_waiting:
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print("CRITICAL:", status_str, perfdata)
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sys.exit(nagios.CRITICAL)
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elif data["active_connections"] >= args.warning_active or data["waiting"] >= args.warning_waiting:
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print("WARNING:", status_str, perfdata)
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sys.exit(nagios.WARNING)
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else:
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print("OK:", status_str)
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sys.exit(nagios.OK)
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else:
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perfdata = "| active_connections={active_connections} waiting={waiting} accepted={accepted} handled={handled} requests={requests} reading={reading} writing={writing}".format(
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**data
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)
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print("OK:", status_str)
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print('Critical and warning levels disabled.', perfdata)
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sys.exit(nagios.OK)
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if __name__ == "__main__":
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main()
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