Hi

Thanls All

I'll try with mySql and see how it goes.

Gert

On Saturday, October 31, 2020 at 12:18:10 AM UTC+1 Greg from Oz wrote:

> Hi Gert,
>
> I use mysql and weewx and grafana can us mysql as a data source (as has 
> been mentioned above by Michael)
>
> It works well. I have used this was for over a year.
>
>
> On Saturday, 31 October 2020 at 02:08:11 UTC+11 vince wrote:
>
>> On Thursday, October 29, 2020 at 11:32:52 PM UTC-7, [email protected] 
>> wrote:
>>
>>> I already get data inserted into InfluxDB via Matthew's script and it 
>>> works fine. I was interested in getting my old data visible in Grafana. 
>>>
>>>
>> Sure.  Be careful that you don't have influxdb set to auto-prune aged 
>> data.   I just keep 6 months worth in mine.
>>
>> Unfortunately, it is not possible to use Sqlite3 as a data source yet. It 
>>> could be that there was already someone who had been through the same 
>>> process with old data, so therefore my question.
>>>
>>
>> Sorry, not aware of one.  It wouldn't be too hard to write some kind of a 
>> one-time catchup program if you know the database format the weewx plugin 
>> you're using to get your realtime data into weewx.  You likely want to be 
>> consistent so your grafana dashboards can pick any time range you have data 
>> for.
>>
>> Basically you'd do a select on your archive table and postprocess the 
>> output into the format influxdb wants to see for batch uploads of records.  
>> Definitely doable with a few hours work I think.
>>
>> (if you don't get there by Christmas, ping me via email and I could maybe 
>> give it a try that week when I'll have time available)
>>
>>
>> BTW,  are there some advantages to using Telegraf / MQTT instead of  
>>> Matthew's plugin.
>>>
>>
>> It's not weewx-centric and it's more IoT mainstream, but no, not really 
>> in your case.  If what you have works, keep using it.
>>
>> The downside of telegraf/MQTT is that I've found that sometimes it loses 
>> the subscription and data doesn't come in.  For my raspi IoT sensor things 
>> here and my former WeatherFlow gear,  I changed my code to write to 
>> influxdb directly, which I'm guessing is what Matthew does.
>>
>> For my Davis VP2 weewx=>influxdb stuff I stuck with the MQTT extension 
>> and the telegraf path, mainly because it was stable.  Once I got it working 
>> locally, I figured "if it ain't broke don't fix it".
>>
>>
>>

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