Probably a -user question at this point, but can you explain what
you're trying to set up ?
Why would you need/want a second weewx instance ?
Why not just have system-2 subscribe to the aggregate(d) data you're
already publishing to your LAN ?
FWIW my setup here is two weewx instances - one VP2 connected to the
station, one Ecowitt connecting over the network to the ecowitt
gateway. The Ecowitt instance publishes to MQTT and the VP2 instance
subscribes and saves as extraTemp1 etc. The VP2 instances also
publishes the aggregated data from both stations out to MQTT. My Home
Assistant and influxdb/telegraf/grafana docker containers subscribe to
the MQTT data they need. Works great. Everything becomes MQTT that
anybody who needs it can subscribe to.
On Friday, March 22, 2024 at 9:38:58 AM UTC-7 Paul Dunphy wrote:
I spent a day searching the documentation, the Internet, and
user groups. I even asked ChatGPT! This likely is a dumb
question, but I paid my dues B4 asking. I have a weewx-enabled Pi
spitting out aggregate archive stanzas via MQTT every 5 minutes:
{"dateTime": "1711125000.0", "usUnits": "16.0", "outTemp_C":
"0.11853060499920859", "inTemp_C": "17.225573819849952",
"barometer_mbar": "1053.1565009214046", "pressure_mbar":
"1053.1565009214046", "windSpeed_kph": "0.002427633039238002",
"windDir": "359.9421733668237", "windGust_kph":
"0.004278710967144328", "windGustDir": "359.9202399679532",
"outHumidity": "79.99094923258458", "inHumidity":
"29.987934248540196", "radiation_Wpm2": "861.1533294284267", "UV":
"12.056146611997969", "rain_cm": "0.0", "txBatteryStatus": "1.0",
"windBatteryStatus": "0.0", "rainBatteryStatus":
"0.7666666666666667", "outTempBatteryStatus": "0.0",
"inTempBatteryStatus": "0.0", "consBatteryVoltage_volt": "12.0",
"heatingVoltage_volt": "12.05558467860259", "supplyVoltage_volt":
"12.071862590655277", "referenceVoltage_volt":
"12.018038262199248", "rxCheckPercent": "81.54437561456504",
"altimeter_mbar": "1056.4794019219778", "appTemp_C":
"-2.2564686080177725", "cloudbase_meter": "396.2261771824497",
"dewpoint_C": "-2.9181089732181587", "ET_cm":
"0.0025520108394833227", "heatindex_C": "0.11853060499920859",
"humidex_C": "0.11853060499920859", "inDewpoint_C":
"-0.5139816409552426", "maxSolarRad_Wpm2": "731.1872454643874",
"rainRate_cm_per_hour": "0.0", "windchill_C":
"0.11853060499920859", "windrun_km": "0.0002023027532698335",
"interval_minute": "5.0", "hourRain_cm": "0.0", "rain24_cm":
"0.0", "dayRain_cm": "0.0"}
They look good. I have a newly installed weewx instance on
another Pi on my LAN. The second machine sees the stanzas with
"mosquitto_sub -h 192.168.1.10 -p 1883 -t weather/# -u wee_me -P
xxxxxx"
Is there a way to set up weewx to make these 5 minute stanzas
the data source for the 2nd instance of weewx? A "repeater_mqtt"
reader/driver? Does such a thing exist? How do others use one
hardware receiver and MQTT to supply data to other systems on
their LAN? I must be missing something obvious.
Paul VE1DX
On Wednesday, March 20, 2024 at 4:01:39 PM UTC-3 Paul Dunphy wrote:
Close, Vince. It was the extension that I installed
"outside" the venv . . . you have to do it without sudo in the
environment."
weectl extension install weewx-mqtt.zip
Using configuration file /home/pdunphy/weewx-data/weewx.conf
Install extension 'weewx-mqtt.zip' (y/n)? y
Extracting from zip archive weewx-mqtt.zip
Saving installer file to
/home/pdunphy/weewx-data/bin/user/installer/mqtt
Saved copy of configuration as
/home/pdunphy/weewx-data/weewx.conf.20240320154428
Finished installing extension mqtt from weewx-mqtt.zip
This puts it in ~/weewx-data/bin/user where it's supposed
to be. Now, I have MQTT weather data on my LAN, which was the
goal.
Paul VE1DX
On Wednesday, March 20, 2024 at 2:38:16 PM UTC-3 Vince Skahan
wrote:
You need to install paho-mqtt 'within' your python venv.
Activate the venv then do 'pip3 install paho-mqtt'
On Wednesday, March 20, 2024 at 10:17:24 AM UTC-7 Paul
Dunphy wrote:
I have mosquitto installed and communicating between
two terminal sessions. I'm running weewx 5.0.2 in a
venv on a Pi 5, and it's working fine. I followed
Tom/Matthew's instructions here to set up MQTT:
https://github.com/weewx/weewx/wiki/mqtt
It blows up because it can't find user.mqtt that I
added to the weewx.conf file:
[Engine]
[[Services]]
restful_services = ..., user.mqtt.MQTT
Any thoughts on where I might have gone wrong?
Paul VE1DX
Mar 20 14:00:15 violet systemd[1]: Started
weewx.service - WeeWX weather system.
Mar 20 14:00:15 violet sudo[711921]:
pam_unix(sudo:session): session closed for user root
Mar 20 14:00:15 violet weewxd[711925]: INFO __main__:
Initializing weewxd version 5.0.2
Mar 20 14:00:15 violet weewxd[711925]: INFO __main__:
Command line:
/home/pdunphy/weewx-venv/lib/python3.11/site-packages/weewxd.py
/home/pdunphy/weewx-data/weewx.conf
Mar 20 14:00:15 violet weewxd[711925]: INFO __main__:
Using Python 3.11.2 (main, Mar 13 2023, 12:18:29) [GCC
12.2.0]
Mar 20 14:00:15 violet weewxd[711925]: INFO __main__:
Located at /home/pdunphy/weewx-venv/bin/python3
Mar 20 14:00:15 violet weewxd[711925]: INFO __main__:
Platform Linux-6.6.20+rpt-rpi-2712-aarch64-with-glibc2.36
Mar 20 14:00:15 violet weewxd[711925]: INFO __main__:
Locale: 'en_GB.UTF-8'
Mar 20 14:00:15 violet weewxd[711925]: INFO __main__:
Entry path:
/home/pdunphy/weewx-venv/lib/python3.11/site-packages/weewxd.py
Mar 20 14:00:15 violet weewxd[711925]: INFO __main__:
WEEWX_ROOT: /home/pdunphy/weewx-data
Mar 20 14:00:15 violet weewxd[711925]: INFO __main__:
Configuration file: /home/pdunphy/weewx-data/weewx.conf
Mar 20 14:00:15 violet weewxd[711925]: INFO __main__:
User module: /home/pdunphy/weewx-data/bin/user
Mar 20 14:00:15 violet weewxd[711925]: INFO __main__:
Debug: 0
Mar 20 14:00:15 violet weewxd[711925]: INFO
weewx.engine: Loading station type Vantage
(weewx.drivers.vantage)
Mar 20 14:00:16 violet weewxd[711925]: INFO
weewx.engine: StdConvert target unit is 0x10
Mar 20 14:00:16 violet weewxd[711925]: INFO
weewx.wxservices: StdWXCalculate will use data binding
wx_binding
Mar 20 14:00:16 violet systemd[1]: weewx.service: Main
process exited, code=exited, status=1/FAILURE
Mar 20 14:00:16 violet python3[711925]: Traceback
(most recent call last):
Mar 20 14:00:16 violet python3[711925]: File
"/home/pdunphy/weewx-venv/lib/python3.11/site-packages/weewxd.py",
line 265, in <module>
Mar 20 14:00:16 violet python3[711925]: main()
Mar 20 14:00:16 violet python3[711925]: File
"/home/pdunphy/weewx-venv/lib/python3.11/site-packages/weewxd.py",
line 160, in main
Mar 20 14:00:16 violet python3[711925]: engine =
weewx.engine.StdEngine(config_dict)
Mar 20 14:00:16 violet python3[711925]:
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Mar 20 14:00:16 violet python3[711925]: File
"/home/pdunphy/weewx-venv/lib/python3.11/site-packages/weewx/engine.py",
line 89, in __init__
Mar 20 14:00:16 violet python3[711925]:
self.loadServices(config_dict)
Mar 20 14:00:16 violet python3[711925]: File
"/home/pdunphy/weewx-venv/lib/python3.11/site-packages/weewx/engine.py",
line 157, in loadServices
Mar 20 14:00:16 violet python3[711925]: obj =
weeutil.weeutil.get_object(svc)(self, config_dict)
Mar 20 14:00:16 violet python3[711925]:
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Mar 20 14:00:16 violet python3[711925]: File
"/home/pdunphy/weewx-venv/lib/python3.11/site-packages/weeutil/weeutil.py",
line 1404, in get_object
Mar 20 14:00:16 violet python3[711925]: module =
importlib.import_module(module_name)
Mar 20 14:00:16 violet python3[711925]:
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Mar 20 14:00:16 violet python3[711925]: File
"/usr/lib/python3.11/importlib/__init__.py", line 126,
in import_module
Mar 20 14:00:16 violet python3[711925]: return
_bootstrap._gcd_import(name[level:], package, level)
Mar 20 14:00:16 violet python3[711925]:
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Mar 20 14:00:16 violet python3[711925]: File
"<frozen importlib._bootstrap>", line 1206, in _gcd_import
Mar 20 14:00:16 violet python3[711925]: File
"<frozen importlib._bootstrap>", line 1178, in
_find_and_load
Mar 20 14:00:16 violet python3[711925]: File
"<frozen importlib._bootstrap>", line 1142, in
_find_and_load_unlocked
Mar 20 14:00:16 violet python3[711925]:
ModuleNotFoundError: No module named 'user.mqtt'
Mar 20 14:00:16 violet weewxd[711925]: INFO
weewx.engine: Archive will use data binding wx_binding
Mar 20 14:00:16 violet systemd[1]: weewx.service:
Failed with result 'exit-code'.
Mar 20 14:00:16 violet weewxd[711925]: INFO
weewx.engine: Record generation will be attempted in
'hardware'
Mar 20 14:00:16 violet weewxd[711925]: INFO
weewx.engine: Using archive interval of 300 seconds
(specified by hardware)
Mar 20 14:00:16 violet weewxd[711925]: INFO
weewx.restx: StationRegistry: Station will be registered.
Mar 20 14:00:16 violet weewxd[711925]: INFO
weewx.restx: Wunderground: No config info. Skipped.
Mar 20 14:00:16 violet weewxd[711925]: INFO
weewx.restx: PWSweather: No config info. Skipped.
Mar 20 14:00:16 violet weewxd[711925]: INFO
weewx.restx: CWOP: Data for station VE1DX will be posted
Mar 20 14:00:16 violet weewxd[711925]: INFO
weewx.restx: WOW: Data for station 953456001 will be
posted
Mar 20 14:00:16 violet weewxd[711925]: INFO
weewx.restx: AWEKAS: Data will be uploaded for user VE1DX
Mar 20 14:00:16 violet weewxd[711925]: CRITICAL
__main__: Caught unrecoverable exception:
Mar 20 14:00:16 violet weewxd[711925]: CRITICAL
__main__: **** No module named 'user.mqtt'
Mar 20 14:00:16 violet weewxd[711925]: CRITICAL
__main__: **** Traceback (most recent call last):
Mar 20 14:00:16 violet weewxd[711925]: CRITICAL
__main__: **** File
"/home/pdunphy/weewx-venv/lib/python3.11/site-packages/weewxd.py",
line 160, in main
Mar 20 14:00:16 violet weewxd[711925]: CRITICAL
__main__: **** engine =
weewx.engine.StdEngine(config_dict)
Mar 20 14:00:16 violet weewxd[711925]: CRITICAL
__main__: **** ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Mar 20 14:00:16 violet weewxd[711925]: CRITICAL
__main__: **** File
"/home/pdunphy/weewx-venv/lib/python3.11/site-packages/weewx/engine.py",
line 89, in __init__
Mar 20 14:00:16 violet weewxd[711925]: CRITICAL
__main__: **** self.loadServices(config_dict)
Mar 20 14:00:16 violet weewxd[711925]: CRITICAL
__main__: **** File
"/home/pdunphy/weewx-venv/lib/python3.11/site-packages/weewx/engine.py",
line 157, in loadServices
Mar 20 14:00:16 violet weewxd[711925]: CRITICAL
__main__: **** obj =
weeutil.weeutil.get_object(svc)(self, config_dict)
Mar 20 14:00:16 violet weewxd[711925]: CRITICAL
__main__: **** ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Mar 20 14:00:16 violet weewxd[711925]: CRITICAL
__main__: **** File
"/home/pdunphy/weewx-venv/lib/python3.11/site-packages/weeutil/weeutil.py",
line 1404, in get_object
Mar 20 14:00:16 violet weewxd[711925]: CRITICAL
__main__: **** module =
importlib.import_module(module_name)
Mar 20 14:00:16 violet weewxd[711925]: CRITICAL
__main__: **** ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Mar 20 14:00:16 violet weewxd[711925]: CRITICAL
__main__: **** File
"/usr/lib/python3.11/importlib/__init__.py", line 126,
in import_module
Mar 20 14:00:16 violet weewxd[711925]: CRITICAL
__main__: **** return
_bootstrap._gcd_import(name[level:], package, level)
Mar 20 14:00:16 violet weewxd[711925]: CRITICAL
__main__: ****
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Mar 20 14:00:16 violet weewxd[711925]: CRITICAL
__main__: **** File "<frozen
importlib._bootstrap>", line 1206, in _gcd_import
Mar 20 14:00:16 violet weewxd[711925]: CRITICAL
__main__: **** File "<frozen
importlib._bootstrap>", line 1178, in _find_and_load
Mar 20 14:00:16 violet weewxd[711925]: CRITICAL
__main__: **** File "<frozen
importlib._bootstrap>", line 1142, in
_find_and_load_unlocked
Mar 20 14:00:16 violet weewxd[711925]: CRITICAL
__main__: **** ModuleNotFoundError: No module
named 'user.mqtt'
Mar 20 14:00:16 violet weewxd[711925]: CRITICAL
__main__: **** Exiting.
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