Zabbix script for monitoring haproxy

Usage:

• zhaproxy.py -d : Discovers the frontends/backends configurations
• zhaproxy.py -p <proxy_name> -s <server_name> -v <attribute> : Gets the specified value

UserParameters:

• haproxy.discovery: returns all available metrics
• haproxy.parameter: returns the value of the defined metric

See haproxy.cfg contains the configuration of the zabbix UserParameters.

TODO: Zabbix template