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Script written in Python to check Apache2’s server-status page with warning/critical threshold for req/sec
Current Version
Last Release Date
June 22, 2009
Owner
Nagios Exchange
Website
http://www.matejunkie.com/
Compatible With
The script (Version 1.0)
The appropriate license
Description check_apache2.py is a Python port of my sh compliant script check_apache2.sh, providing less features at the moment. It's main use for me is to get in touch with Python, but you might find it useful. You're able to set a hostname, a port and to define warning/critical thresholds for requests per second. More features will be integrated within the next days when I find the time to do further work on the script. Version Version 1.0, 2009, Mike Adolphs (http://www.matejunkie.com/) -h/--help Output ./check_apache2.py -h Usage: check_apache2.py -H HOSTNAME -p PORT [-w] [-c] Options: --version show program's version number and exit -h, --help show this help message and exit -H HOSTNAME, --hostname=HOSTNAME You may define a hostname with the -H option. Default is: localhost. -p PORT, --port=PORT You may define a port with the -p option. Default is: 80. Warning/critical thresholds: Use these options to set warning/critical thresholds for requests per second served by your Apache. -w WARNING, --warning=WARNING Use this option if you want to use warning/critical 1. Make sure to set a critical value as 2. Default is: -1. -c CRITICAL, --critical=CRITICAL Use this option if you want to use warning/critical 1. Make sure to set a warning value as 2. Default is: -2. Output example user@host $ ./check_apache2.py --version check_apache2.py 1.0 user@host $ ./check_apache2.py -H localhost -p 7001 OK: Apache serves 9.093710 requests per second. 1 busy workers, 49 idle workers. user@host $ ./check_apache2.py -H localhost -p 7001 -w 2 -c 5 CRITICAL: Apache serves 9.082950 requests per second, exceeding critical threshold! 1 busy workers, 49 idle workers. user@host $ ./check_apache2.py -H localhost -p 7001 -w 2 -c 10 WARNING: Apache serves 9.077650 requests per second, exceeding warning threshold! 1 busy workers, 49 idle workers. user@host $ ./check_apache2.py -H localhost -p 7001 -w 10 -c 20 OK: Apache serves 9.073430 requests per second. 1 busy workers, 49 idle workers. user@host $ ./check_apache2.py -H localhost -p 7001 -w 10 -c 5 UNKNOWN: When using thresholds the critical value has to be higher than the warning value. Please adjust your thresholds. user@host $ ./check_apache2.py -H localhost -p 7001 -w 5 UNKNOWN: Please also set a critical value when using warning/critical thresholds! user@host $ ./check_apache2.py -H localhost -p 7001 -c 5 UNKNOWN: Please also set a warning value when using warning/critical thresholds! user@host $ ./check_apache2.py -H localhost -p 7002 CRITICAL: Couldn't fetch the server's status page. Please check given hostname, port or Apache's configuration. We might not be allowed to access server-status due to your server's configuration. Changelog
But did not really do what I wanted: check for minimum idle workers. I want to know they are not all busy. So I added an option to check that and extended this script. It is downloadable from my github repo for plugins: https://github.com/anordby/plugins/blob/master/nagios/check_apache2.py
Optimization: No tmp file needed In retrieve_status_page() function change this: retrPage = urllib.urlretrieve(statusPage, '/tmp/server-status.log') to this one: return urllib.urlopen(statusPage) and modidy parse_status_page() function to parse_status_page(data): # file = open('/tmp/server-status.log', 'r') line = data.readline() ... line = data.readline() and finally in the main function add this line: resParse = parse_status_page(retrieve_status_page()) so comment this lines: #retrieve_status_page() #resParse = parse_status_page() Or you can see it: https://gist.github.com/kajla/bf94e9c520f5cc706eb2e831af17129c
Does exactly what it says on the tin, does a couple of things very well. My only gripe would be that if a box doesn't allow the plugin to talk to the server-status page, it should give a nice error, not the Python traceback you get at the moment. Otherwise, very very happy. Thanks for this.
SetHandler server-status Order deny,allow Deny from all Allow from 127.0.0.1 ExtendedStatus On
I had this error: Traceback (most recent call last): File "./check_apache2.py", line 189, in ? result = transform_dict(resParse) File "./check_apache2.py", line 169, in transform_dict totalAcc = int(resParse['totalAcc'].strip(" Total Accesses:")) KeyError: 'totalAcc'
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