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Home Assistant Community Add-on: EMQX

EMQX is an Open-source MQTT broker with a high-performance real-time message processing engine, powering event streaming for IoT devices at massive scale. As the most scalable MQTT broker, EMQX can help you connect any device, at any scale (including your home).

The EMQX MQTT broker is an advanced alternative to the Mosquitto MQTT broker/add-on that is generally used in Home Assistant. It has a UI to configure, manage, and debug your MQTT broker, clients, and traffic.

While EMQX sells their product mainly as a cloud hosted product on their website, this add-on runs EMQX in a fully local, self-hosted environment.

Installation

The installation of this add-on is pretty straightforward and not different in comparison to installing any other Home Assistant add-on.

  1. Click the Home Assistant My button below to open the add-on on your Home Assistant instance.

    Open this add-on in your Home Assistant instance.

  2. Click the "Install" button to install the add-on.

  3. Start the "EMQX" add-on.

  4. Check the logs of the "EMQX" to see if everything went well.

  5. Open the Web UI.

  6. Log in with the default credentials: username admin and password public.

  7. Be sure to first set up authentication in for your MQTT client, but setting up an authentication method in the EMQX web UI under "Access Control" -> "Authentication".

  8. Read the step above again and make sure you have set up authetication.

Notes:

  • When configuring Home Assistant, Zigbee2MQTT or any other MQTT application or client on your Home Assistant machine to connect to eMQX, use homeassistant or a0d7b954-emqx as the broker/hostname to connect to. In some cases, just localhost will work as well.
  • When connecting external devices to your EMQX add-on, use the IP address or hostname of your Home Assistant instance as the broker/hostname to connect to.

Configuration

You most likely don't need these configuration options. Almost all configuration can be done via the web UI that is available in this add-on. Some more advanced/complex configuration options are not available in the web UI, but can be configured using this option (for example, when setting up clustering of multiple instances).

Note: Remember to restart the add-on when the configuration is changed.

Example add-on configuration:

env_vars:
  - name: EMQX_NODE__NAME
    value: "[email protected]"

Note: This is just an example, don't copy and paste it! Create your own!

Option: env_vars

This option allows you to tweak every aspect of EMQX by setting configuration options using environment variables. See the example at the start of this chapter to get an idea of how the configuration looks.

For more information about using these variables, see the official EMQX documentation:

https://www.emqx.io/docs/en/v5.0/admin/cfg.html

Note: _Only environment variables starting with EMQX_ are accepted._

Known issues and limitations

  • This add-on cannot run simultaneously with the Mosquitto add-on.
  • EMQX uses ports 1883, 8083, 8084, and 8883 by default. It is possible one of your existing add-ons conflicts with that. In such cases, either change the ports of the other add-on or change the listner ports of EMQX. To change the ports of EMQX, you will need to temporary stop the conflicting add-on, as you need to access the EMQX web UI to change the listner ports.
  • The WebRTC integration by AlexxIT is known to cause a port conflict on port 8083. Temporary disabling the integration (similar as the point above for add-ons) can be used to allow accessing the EMQX web UI to adjust the listeners.

Changelog & Releases

This repository keeps a change log using GitHub's releases functionality.

Releases are based on Semantic Versioning, and use the format of MAJOR.MINOR.PATCH. In a nutshell, the version will be incremented based on the following:

  • MAJOR: Incompatible or major changes.
  • MINOR: Backwards-compatible new features and enhancements.
  • PATCH: Backwards-compatible bugfixes and package updates.

Support

Got questions?

You have several options to get them answered:

You could also open an issue here GitHub.

Authors & contributors

The original setup of this repository is by Franck Nijhof.

For a full list of all authors and contributors, check the contributor's page.

License

MIT License

Copyright (c) 2023-2024 Franck Nijhof

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.