check_freenas

A Nagios type plugin to query the Freenas API for volume and disk status

Requirements

• Python 2.6+
• Python Requests

Installation

• Copy the check_freenas.py file to your Nagios plugins directory.
• Create a check command to reference the plugin.
• Create a service check associated with your Freenas host in your monitor using the new check command.

Nagios Example

# 'check_freenas-disks' command definition
define command{
    command_name    check_freenas-disks
    command_line    $USER1$/check_freenas.py -H $HOSTADDRESS$ -c disks -u root -p $ARG1$
    }

# 'check_freenas-volumes' command definition
define command{
    command_name    check_freenas-volumes
    command_line    $USER1$/check_freenas.py -H $HOSTADDRESS$ -c volumes -u root -p $ARG1$
    }

Usage

check_freenas.py  [-h] 
                  -H HOSTNAME 
                  -u USER 
                  -p PASSWD 
                  [-t TIMEOUT] 
                  [-v]
                  [-i] 
                  -c {disks,volumes,alerts}

Notes

• Due to a lack of authentication methods in the Freenas V1.0 API you must use your root user to authenticate.

History

• V1.0 - Initial production release
• V1.2 - Add verbose and ignore SSL options. Add additional handling for SSL Errors.
• V1.3 - Add nagios output for alert checks

License

• Apache 2.0