check_haproxy_stats

check_haproxy_stats

check_haproxy_stats is a Nagios check for Haproxy using the statistics page

Source to the original script :
https://exchange.nagios.org/directory/Plugins/Network-Connections%2C-Stats-and-Bandwidth/check-haproxy-stats-%28over-ssh%29/details

prerequisites

This script uses theses libs : File::Basename LWP::UserAgent URI::URL HTTP::Request IO::Socket::SSL IO::Socket::UNIX MIME::Base64 Readonly Monitoring::Plugin Data::Dumper

to install them type :

sudo cpan File::Basename LWP::UserAgent URI::URL HTTP::Request IO::Socket::SSL IO::Socket::UNIX MIME::Base64 Readonly Monitoring::Plugin Data::Dumper

Use case

check_haproxy_stats.pl 1.1.6

This program is free software; you can redistribute it and/or modify it
under the same terms as Perl 5.10.1
For more details, see http://dev.perl.org/licenses/artistic.html

This program is distributed in the hope that it will be
useful, but without any warranty; without even the implied
warranty of merchantability or fitness for a particular purpose.

check_haproxy_stats.pl is a Nagios check for Haproxy using the statistics page via local socket or http(s)

Usage: check_haproxy_stats.pl [-U url [-u user -P password] [-S] ] | [ -O namedsocket ] [-p proxy] [-x proxy] [-r] [-s servers] [-i REGEX] [-w threshold ] [-c threshold ] [-t timeout]

-?, --usage
Print usage information
-h, --help
Print detailed help screen
-V, --version
Print version information
--extra-opts=[section][@file]
Read options from an ini file. See https://www.monitoring-plugins.org/doc/extra-opts.html
for usage and examples.
-U, --url=STRING
Use HTTPS Statistics URL instead of socket the url is used like this https://$url;csv
-O, --socket=STRING
Use named UNIX socket instead of default (/var/run/haproxy.sock)
-m, --ignoremaint
Assume servers in MAINT state to be ok.
-n, --ignoredrain
Assume servers in DRAIN state to be ok.
-i, --ignoreregex=STRING
Ignore servers that match the given regex.
-p, --proxy=STRING
Check only named proxies, not every one. Use comma to separate proxies in list.
-P, --noproxy=STRING
Do not check named proxies. Use comma to separate proxies in list.
-u, --user=STRING
User name for the HTTPS URL
-P, --Password=STRING
User password for the HTTPS URL
-w, --warning=threshold
See https://www.monitoring-plugins.org/doc/guidelines.html#THRESHOLDFORMAT for the threshold format.
-c, --critical=threshold
See https://www.monitoring-plugins.org/doc/guidelines.html#THRESHOLDFORMAT for the threshold format.
-r, --raw
Just dump haproxy stats and exit
-s, --slave
Check if the named serveur have no connexion Use comma to separate serveur in list.
-S, --ssl
The statistics page use SSL
-t, --timeout=INTEGER
Seconds before plugin times out (default: 30)
-v, --verbose
Show details for command-line debugging (can repeat up to 3 times)

sample :

# NRPE
sudo ./check_haproxy_stats.pl -w 60 -c 80 -S /var/run/haproxy/admin.sock -p http-in

# On monitoring poller
./check_haproxy_stats.pl -U demo.haproxy.org/ -p http-in -S

you may get :

check_haproxy_stats.pl OK - checked proxies: http-in | http-in-FRONTEND=30;80;90;0;100