Re: [mh] "Voice" commands with arbitrary parameters

Hello Brian

Long time.

I don't think I can answer your question, but I have now changed the way 
I use Misterhouse to increase reliability as follows;

  * Complex logic - keep in Misterhouse
  * Simple logic (like timers and pirs switching lights) - use Tasmota's
    rules wherever possible
  * Comms protocol - Mostly MQTT via mosquitto
  * UI - Home Assistant
  * Interface to difficult devices (like tuya) - Home Assistant
  * Voice commands - Alexa - to HA - to MH

I've also discovered the pi keepalive daemon 
(https://github.com/justinknguyen/Pi-Guide/blob/main/Pi-Guide/keepalived.md) 
which allows me to run Misterhouse (and other services) on a pair of Pis 
that automatically look after each other and switch if one fails but 
keeps a common IP address.
For example I was worried about mosquitto being a really important 
single point of failure, now I have two pis, the master is on 
192.168.100.23 and the backup on 192.168.100.24 but the common address 
192.168.100.25 is automatically associated with the currently running 
server.  All I have to do is set all my devices to look for 
192.168.100.25 and keepalived looks after the routing.
I use the same for Wireguard VPN and Misterhouse.
Unfortunately Home Assistant is dropping support for native Pi OS 
installs, and only concentrating on HA OS which means I cannot use 
keepalived. For now I'm thinking I will just have to have a cold backup 
machine on standby with a remote power switch so I can power it up 
manually if the master fails.
Regards
Giles


On 26/07/2025 08:11, Brian M wrote:
> I'm diving into so-called voice commands for the first time, though 
> I'm really just using mhsend to send a command from another computer. 
> The basics work fine, but in one case I'd like to pass an arbitrary 
> file name, and have my code receive that file name. Something like 
> "play file <filename>" and have my code be able to retrieve whatever 
> was specified for <filename>. Can that be done, and if so, what's the 
> syntax to define the voice command with an arbitrary string?
>
>                      -Brian M.
>
>
>
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