"Bad file descriptor", "File "/usr/local/lib/python3.8/logging/handlers.py" 
No such file or directory"

Seems pretty clear to me.  Your docker image doesn't appear to have the 
logging stuff built into it at the location python expects.

Poke around in a shell to see what's in there with something like "docker 
run --rm -it yourimagename bash" 


On Saturday, March 12, 2022 at 9:41:38 AM UTC-8 Saverio Guzzo wrote:

> Hi, thanks for your answer!
> Yes, this is a very good insight and suggestion. Before, I was using 
> Apache Pulsar as a broker, but somehow the people working on the backend 
> have decided to move to a REST service.
>
> Anyhow, I think my issue is strictly related to logging.. if you have any 
> suggestions on how to solve it, please let me know! :)
>
> Thank you very much,
> Saverio
>
> On Saturday, 12 March 2022 at 14:22:25 UTC+1 [email protected] wrote:
>
>> Saverio:
>>
>> Reading your post, have you considered using mqtt for each station node 
>> publishing it's archive data to a single broker?
>>
>> I wonder if you could do the following to achieve the same goal:
>>
>> 1. Set each station node archive interval to 1 minute.
>> 2. Install weewx mqtt extension on each node 
>> 3. Configure each node to publish to a different topic, for example 
>> weather-n1, n2,etc.
>> 4. Configure the mqtt driver to just publish archive data.
>> 5. Setup a mosquito mqtt broker on the same network to collect all the 
>> data. It can be setup in a container.
>>
>> This assumes all of your nodes are on the same network, although you 
>> could setup the mqtt broker in a cloud instance if the nodes are not on the 
>> same network.
>>
>> That way you will get the full archive record published from each 
>> station. You would just need to focus on consuming the published data from 
>> the broker. At least all the data will be in a single place.
>>
>> Just a thought.
>>
>> On Sat, Mar 12, 2022, 6:50 AM Saverio Guzzo <[email protected]> wrote:
>>
>>> PS. One detail that I forgot to mention: Balena uses docker images, for 
>>> running the program I'm using 
>>> balenalib/raspberrypi4-64-python:3.8-stretch-run 
>>> <https://hub.docker.com/layers/balenalib/raspberrypi4-64-python/3.8-stretch-run/images/sha256-30dc1cfee0d09004a70c3663aaae763df6ac6c2167d2e8cd9cbb929312ebe960?context=explore>
>>>
>>> On Saturday, 12 March 2022 at 11:17:13 UTC+1 Saverio Guzzo wrote:
>>>
>>>> Hey community,
>>>>
>>>> I have a fleet of Davis weather stations connected to as many 
>>>> RaspberryPis, on which I am running the vantage drivers as a standalone 
>>>> program on docker container, deployed using Balena 
>>>> <https://www.balena.io/open/>.
>>>> I'd like my program to send data every minute to a REST API and I've 
>>>> been looking into some way to get archive data from a in loop, but I'm not 
>>>> sure I'm doing it the right way.
>>>>
>>>> What I did was defining in the driver's main method something like:
>>>>
>>>> *while True:*
>>>> * since_ts = datetime.datetime.timestamp(datetime.datetime.now() - 
>>>> datetime.timedelta(minutes=1))*
>>>> * for packet in vantage.genDavisArchiveRecords(since_ts):*
>>>> * try:*
>>>> * new_packet = weewx.units.to_METRICWX(packet)*
>>>> * davispusher.send_message(payload=new_packet)*
>>>> * log.debug(davispusher.payload)*
>>>> * except Exception as e:*
>>>> * log.debug("Found an exception: %s" % e)*
>>>> * time.sleep(1.2)*
>>>> * continue*
>>>> * time.sleep(60)*
>>>>
>>>> Where davispusher is an instance of a simple class that is needed to 
>>>> add some values to the archive record and send the message and is defined 
>>>> as:
>>>> *class DavisPusher:*
>>>> * def __init__(self, host='https://mywebsite.somewhere 
>>>> <https://mywebsite.somewhere>, port=8080, endpoint='davis'):*
>>>> * self._endpoint = "{host}:{port}/{endpoint}".format(host=host, *
>>>> * endpoint=endpoint,*
>>>> * port=port)*
>>>> * self.payload = {}*
>>>>
>>>> * def format_message(self,*
>>>> * payload: dict,*
>>>> * sensor_id: str = environ['SENSOR_ID'],*
>>>> * latitude: str = environ['LATITUDE'],*
>>>> * longitude: str = environ['LONGITUDE'],*
>>>> * altitude: str = environ['ALTITUDE'],*
>>>> * ) -> dict:*
>>>> * """Formats message for backend."""*
>>>>
>>>> * payload_copy = payload.copy()*
>>>> * try:*
>>>> * self.payload = payload_copy*
>>>> * self.payload['sensor_id'] = sensor_id*
>>>> * self.payload['altitude'] = float(altitude)*
>>>> * self.payload['longitude'] = float(longitude)*
>>>> * self.payload['latitude'] = float(latitude)*
>>>>
>>>> * except Exception:*
>>>> * self.payload = {}*
>>>> * def send_message(self, payload):*
>>>> * '''formats and sends message to backend'''*
>>>> * self.format_message(payload)*
>>>> * resp = requests.post <http://requests.post>(self._endpoint, data = 
>>>> json.dumps(self.payload), allow_redirects = True)*
>>>> * log.debug("got HTTP statuscode %s", resp.status_code)*
>>>>
>>>> However, my logs are full of logging errors ("Bad file descriptor", 
>>>> "File "/usr/local/lib/python3.8/logging/handlers.py" No such file or 
>>>> directory")
>>>> I guess those are errors due to logging configuration, but I'm not sure 
>>>> how to address them. I created a GitHub Gist 
>>>> <https://gist.github.com/saveriogzz/c624c03e63a3be3d66daf57b25337b7e> 
>>>> in order not to pollute this post!
>>>>
>>>> Also, what I would like to achieve is the possibility to configure the 
>>>> various consoles (set time, set coordinates) at startup using environment 
>>>> variables. How could I do this using the VantageConfigurator class?
>>>>
>>>> Thanks a lot in advance for your help, I'm kind of alone in my work and 
>>>> I'd really appreciate your help.
>>>>
>>>> Friendly greetings,
>>>> Saverio
>>>>
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>>

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