MQTT Eventstream

The mqtt_eventstream integrationIntegrations connect and integrate Home Assistant with your devices, services, and more. [Learn more] connects two Home Assistant instances via MQTT.

Configuration

To integrate MQTT Eventstream into Home Assistant, add the following section to your configuration.yamlThe configuration.yaml file is the main configuration file for Home Assistant. It lists the integrations to be loaded and their specific configurations. In some cases, the configuration needs to be edited manually directly in the configuration.yaml file. Most integrations can be configured in the UI. [Learn more] file. After changing the configuration.yamlThe configuration.yaml file is the main configuration file for Home Assistant. It lists the integrations to be loaded and their specific configurations. In some cases, the configuration needs to be edited manually directly in the configuration.yaml file. Most integrations can be configured in the UI. [Learn more] file, restart Home Assistant to apply the changes.

# Example configuration.yaml entry
mqtt_eventstream:
  publish_topic: MyServerName
  subscribe_topic: OtherHaServerName

Multiple instances

Events from multiple instances can be aggregated to a single parent instance by subscribing to a wildcard topic from the parent instance.

# Example parent instance configuration.yaml entry
mqtt_eventstream:
  publish_topic: parent/topic
  subscribe_topic: child/#
  ignore_event:
    - call_service
    - state_changed

For a multiple instance setup, each child instance would publish to their own topic.

# Example child instance configuration.yaml entry
mqtt_eventstream:
  publish_topic: child/upstairs
  subscribe_topic: parent/topic

# Example child instance configuration.yaml entry
mqtt_eventstream:
  publish_topic: child/downstairs
  subscribe_topic: parent/topic