System Metrics

check_netscaler

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Description:

A Nagios Plugin written for the Citrix NetScaler Application Delivery Controller. It’s based on Perl (Monitoring::Plugin) and using the the NITRO REST API. No need for SNMP.

Current Version

1.5.1

Last Release Date

2018-06-10

Compatible With

  • Nagios 1.x
  • Nagios 2.x
  • Nagios 3.x
  • Nagios 4.x
  • Nagios XI

Owner

Simon Lauger

Website

https://github.com/slauger/check_netscaler

Download URL

https://github.com/slauger/check_netscaler

License

Apache

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Project Notes
Currently the plugin has the following subcommands: state - check the current service state of vservers (e.g. lb, vpn, gslb), services and service groups and servers matches, matches_not - check if a string matches the the api response or not above, below - check if a value is above/below a threshold (e.g. traffic limits, concurrent connections) sslcert - check the lifetime for installed ssl certificates nsconfig - check for configuration changes which are not saved to disk license - check the expiry date of a local installed license file hastatus check the high availability status of a appliance staserver - check if configured STA (secure ticket authority) servers are available servicegroup - check the state of a servicegroup and its members hwinfo - just print information about the Netscaler itself interfaces - check state of all interfaces and add performance data for each interface perfdata - gather performancedata from all sorts of API endpoints ntp - check the ntp synchronization status debug - debug command, print all data for a endpoint This plugin works with VPX, MPX, SDX and CPX NetScaler Appliances. The api responses may differ by build, appliance type and your installed license. The plugin supports performance data for the commands state and the above or below threshold checks. Also there is a perfdata command to gather information from your NetScaler. Example configurations for Nagios and Icinga 2 can be found in the examples directory of this repository. Feedback and feature requests are appreciated. Just create an issue on GitHub or send me a pull request.
Reviews (2) Add a Review
Hidden lbvserver down
by dennisk, March 31, 2019

Hi Slauger, thank you for this script. It works very well and most important, it works fast :) We have a problem with applying the regex filter. Can you help us with an example perhaps? [root@server /usr/local/nagios/libexec]$ ./check_netscaler.pl -H 1.2.3.4 -u username -p password -s -C state -o lbvserver NetScaler CRITICAL - state lbvserver: _httpredir_ DOWN; | UNKOWN=0;;;0; UP=28;;;0; 'OUT OF SERVICE'=0;;;0; DOWN=1;;;0; This is a hidden vServer which is apparently down by default and created by the NetScaler when the option "Redirect From Port" is used. The vServer in our case is listening on port 80 to redirect to 443. Since this is by design, we would like to add a filter to the check comment to ignore vServers which have _httpredir_ in the name. I tried to add various things like this, but that didn't work unfortunately: -f '/(?:[^*_httpredir_*]*)/' Hope you can help us with a regex example. Dennis


"errorcode": 2138, "message": "Not authorized to execute this command [show system file FID__
by jpvhack, November 30, 2017

Hello!, Great plugin, but I'm finding the following error when wanting to check the local license ./check_netscaler.pl -H x.x.x.x -s -C license -n FID__XXXX.lic -u user -p password -w 30 -c 10 NetScaler UNKNOWN - { "errorcode": 2138, "message": "Not authorized to execute this command [show system file FID__XXXX.lic -fileLocation "/nsconfig/license"]", "severity": "ERROR" } And when using user nsmonitor: NetScaler OK - license: CNS_SSE_SERVER never expires; CNS_V5_SERVER never expires;¿?¿?¿


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