[Ovmsdev] Home assistant integration

[Mark Webb-Johnson]

>> I'd do it myself, but I'm not really familiar with Python so it would be
>> slow going.
> 
> Me too.  I wonder if a first step might be to make the existing OVMS
> MQTT support more HA-friendly; I think it just needs an option to map
> '.' to '_' instead of '/' in topic names, and add a suffix.

Is there a problem with the current implementation (in ovms_server_v3)? Changing “.” to “/“ in metric names.

Is there any difference between monitoring prefix/v.b.soc vs prefix/v/b/soc in HA (or other systems)?

Regards, Mark.

> On 10 Mar 2019, at 1:23 AM, Robin O'Leary <ovmsdev at caederus.org> wrote:
> 
> On Thu, Mar 07, 2019 at 07:57:50AM +0100, Lance Tjessem wrote:
>> Curious if anybody has considered making a Home Assistant (
>> https://www.home-assistant.io) integration for OVMS?
> 
> I looked at doing so a while back when there were on a couple of car
> components, which all seemed rather ad-hoc and experimental.  I see
> there are many more supported cars now, so maybe the framework is better.
> I have been putting off upgrading HA since I'm sure I'll get caught by
> one of the many breaking changes, but I've been wanting to try out the
> new Lovelace interface, so maybe this provides another incentive.
> 
>> Read some values from
>> mine just using simple HTTP API requests but it'd be cool to have a proper
>> component for it.
> 
> I have been doing something similar using MQTT.  It's a simple
> shell script that uses the mosquitto-clients command-line tools
> (mosquitto_sub/mosquitto_pub) to handle the MQTT layer; it can be
> customized with the list of metrics you want published:
> 
> 	https://ovms.caederus.org/mqtt/
> 
>> I'd do it myself, but I'm not really familiar with Python so it would be
>> slow going.
> 
> Me too.  I wonder if a first step might be to make the existing OVMS
> MQTT support more HA-friendly; I think it just needs an option to map
> '.' to '_' instead of '/' in topic names, and add a suffix.
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