How to Design Robust Automations in Home Assistant

General
1

I’ve recently started my journey with Home Assistant, and it’s been an exciting experience so far. I wanted to share some of my learnings and ask for advice on designing more robust automations.

Earlier this year, I set up HA on a Raspberry Pi and started creating automations for my smart home. One of my favorite projects was setting up a routine to play YouTube videos at sunset. However, I ran into an issue with my Roku integration after a recent update. The integration started throwing connection errors when the TV was in standby mode.

To solve this, I implemented a service_template with a condition to check the TV’s state before executing the media_play_pause action. If the TV was in standby, I used a noop script with a 0-second delay as a fallback. This approach worked, but it required me to know the exact state that might cause an error.

I’ve also come across suggestions about creating separate scripts for actions that might fail, which prevents the entire automation from crashing. While this method adds some complexity, it seems like a reliable way to handle errors.

I’m curious to know if there are other recommended techniques or best practices for making automations more resilient to errors. Are there any community-developed tools or integrations that can help with this?

Here’s a snippet of my current automation setup for reference:
yaml

  • id: ‘1588671360892’
    alias: Play YouTube video
    description: Play YouTube video at a certain time
    trigger:
    • platform: template
      value_template: ‘{{ as_timestamp(states(’‘sensor.date_time_iso’‘)) == as_timestamp(states(’‘sensor.sunset_time’‘)) }}’
      action:
    • data:
      is_volume_muted: true
      entity_id: media_player.living_room_tv
      service: media_player.volume_mute
    • entity_id: media_player.living_room_tv
      service: media_player.media_play_pause
    • data_template:
      volume_level: ‘{{’‘0.4’’ if now().hour >= 21 else ‘‘0.6’’}}’
      entity_id: media_player.bedroom_speaker
      service: media_player.volume_set
    • data:
      media_content_id: https://www.youtube.com/watch?v=XYZ
      media_content_type: music
      entity_id: media_player.bedroom_speaker
      service: media_extractor.play_media

I’d love to hear your thoughts on improving this setup or any other strategies you’ve found effective. Let’s keep the conversation going and help each other make our smart homes even smarter!