hass-opnsense

Join OPNsense with home-assistant!

hass-opnsense uses the built-in xmlrpc service of OPNsense for all interactions. This project is currently a proof-of-concept and may fail to work at any time.

Initial development was done againt OPNsense 21.7 and home-assistant 2021.10.

installation

This integration currenlty replaces the built-in opnsense integration which only provides device_tracker functionality, be sure to remove any associated configuration for the built-in integration before installing this replacement.

To use the integration you need to install an OPNsense plugin mada available on mimugmail repository: https://www.routerperformance.net/opnsense-repo/

First you need to install the repository:

• open an SSH session on OPNsense and issue the following commands:

fetch -o /usr/local/etc/pkg/repos/mimugmail.conf https://www.routerperformance.net/mimugmail.conf
pkg update

Now you need to install the plugin, you have two ways to do it:

• In OPNsense web UI, go to System:Firmware:Plugins and install plugin os-homeassistant-maxit
• From SSH shell: pkg install os-homeassistant-maxit

Now, on Home Assistant, add this repository to your HACS installation or clone the directory manually. Once the integration is installed be sure to restart hass and hard-refresh the UI in the browser (ctrl-F5) if it doesn't appear in the list.

configuration

Configuration is managed entirely from the UI using config_flow semantics. Simply go to Configuration -> Integrations -> Add Integration and search for OPNsense in the search box.

OPNsense

• If using a non admin user account ensure the user has the System - HA node sync privilege. Note that this privilege effectively gives the user complete access to the system via the xmlrpc feature.

config

• URL - put the full URL to your OPNsense UI (ie: https://192.168.1.1), supported format is <scheme>://<ip or host>[:<port>]
• Verify SSL Certificate - if the SSL certificate should be verified or not (if you get an SSL error try unchecking this)
• username - the username to use for authentication (ie: root)
• password - the password to use for authentication
• Firewall Name - a custom name to be used for entity naming (default: use the OPNsense hostname)

options

• Scan Interval (seconds) - scan interval to use for state polling (default: 30)
• Enable Device Tracker - turn on the device tracker integration using OPNsense arp table (default: false)
• Device Tracker Scan Interval (seconds) - scan interval to use for arp updates (default: 60)

entities

Many entities are created by hass-opnsense for stats etc. Due to to volume of entities many are disabled by default. If something is missing be sure to review the disabled entities as what you're looking for is probably there.

binary_sensor

• carp status (enabled/disabled)
• system notices present (the bell icon in the upper right of the UI)

device_tracker

ScannerEntity entries are created for the OPNsense arp table. Disabled by default. Not only is the feature disabled by default but created entities are currently disabled by default as well. Search the disabled entity list for the relevant mac addresses and enable as desired.

Note that by default FreeBSD/OPNsense use a max age of 20 minutes for arp entries (sysctl net.link.ether.inet.max_age). You may lower that using System -> Advanced -> System Tunables if desired.

sensor

• system details (name, version, temp, boottime, etc)
• pfstate details (used, max, etc)
• cpu details (average load, frequency, etc)
• mbuf details
• memory details
• filesystem usage
• interface details (status, stats, pps, kbs (time samples are based on the Scan Interval (seconds) config option))
• gateways details (status, delay, stddev, loss)
• carp interface status
• dhcp stats (total, online, and offline clients)

switch

All of the switches below are disabled by default.

• filter rules - enable/disable rules
• nat port forward rules - enable/disable rules
• nat outbound rules - enable/disable rules
• services - start/stop services (note that services must be enabled before they can be started)

services

service: opnsense.close_notice
data:
  entity_id: binary_sensor.opnsense_localdomain_pending_notices_present
  # default is to clear all notices
  # id: <some id>

service: opnsense.file_notice
data:
  entity_id: binary_sensor.opnsense_localdomain_pending_notices_present
  notice: "hello world"

service: opnsense.system_halt
data:
  entity_id: binary_sensor.opnsense_localdomain_pending_notices_present

service: opnsense.system_reboot
data:
  entity_id: binary_sensor.opnsense_localdomain_pending_notices_present

service: opnsense.start_service
data:
  entity_id: binary_sensor.opnsense_localdomain_pending_notices_present
  service_name: "dpinger"

service: opnsense.stop_service
data:
  entity_id: binary_sensor.opnsense_localdomain_pending_notices_present
  service_name: "dpinger"

service: opnsense.restart_service
data:
  entity_id: binary_sensor.opnsense_localdomain_pending_notices_present
  service_name: "dpinger"
  # only_if_running: false

service: opnsense.send_wol
data:
  entity_id: binary_sensor.opnsense_localdomain_pending_notices_present
  interface: lan
  mac: "B9:7B:A6:46:B3:8B"