mqtt extension TLS required ?

[vince]

In looking at the MQTT extension at https://github.com/weewx/weewx/wiki/mqtt the code is a little unclear to me.  Is TLS required for uploading weewx data to a MQTT broker ?   At line 214 in the mqtt.py it "seems" like it's optional (????)

Also, is there a clean way of dumping out a what it posts to the broker in some pretty(ish) human-friendly format ?   

[Andreas Landixus]

TLS is only required if you use client user/pass authentication.

MQTT post on a topic for example  "weather" is the topic "tempOut 12.02" is the output 

MQTT is not for human friendly output :) more for exchange data. 

[vince]

On Tuesday, January 23, 2018 at 4:42:03 PM UTC-8, vince wrote:

In looking at the MQTT extension at https://github.com/weewx/weewx/wiki/mqtt the code is a little unclear to me.  Is TLS required for uploading weewx data to a MQTT broker ?   At line 214 in the mqtt.py it "seems" like it's optional (????)

update - no it's not required (and it works great)

 

Also, is there a clean way of dumping out a what it posts to the broker in some pretty(ish) human-friendly format ?   

update - yes - use mosquitto_sub to subscribe and add the -v option

 

[mwall]

for all of you mqtt-philes out there who struggle to figure out what is actually being sent...  what topic does sensor x use?  is it json data or just plain text?  is retain turned on?  when was the last data from sensor x?

try the mqtt websocket client from christoph schaebel and hivemq:

http://www.hivemq.com/demos/websocket-client/

details are here:

https://www.hivemq.com/blog/full-featured-mqtt-client-browser

and the source is here:

https://github.com/hivemq/hivemq-mqtt-web-client

it requires that you add websocket support when you build your mosquitto broker, but the result is well worth it.  you can install the websocket client on the server where the broker runs, or just keep a websocket client on your laptop or development machine then point it at whatever broker you are trying to diagnose.

thank you christoph and hivemq for making this available under the apache license!

m

[mwall]

btw, once you enable websockets on your mqtt broker, you can create truly live web pages