Telegraf for sensorlogger recording via HTTP push

This telegraf config for InfluxDB V2 creates an HTTP endpoint which can be used to directly stream sensorlogger samples into InfluxDB.

Tested under Debian bullseye with:

influxdb2:amd64/bullseye 2.3.0-1 
influxdb2-cli:amd64/bullseye 2.3.0 
telegraf:amd64/bullseye 1.23.2-1 

About sensorlogger

sensorlogger is a free app available for Android and iOS which can record and stream samples from built-in sensors.

See also:

• https://www.tszheichoi.com/sensorlogger
• https://github.com/tszheichoi/awesome-sensor-logger/ for more examples and use cases.

Installation

• create a bucket for sensorlogger data
• create an API token with write access to this bucket
• edit the sensorlogger.conf section outputs.influxdb_v2 filling in token, organisation, bucket and destination URL(s)
• adapt listener endpoint under inputs.http_listener_v2 as needed for host and port
• install under /etc/telegraf
• systemctl restart telegraf

stock InfluxDB parts used:

• HTTP Listener plugin v2
• JSON Parser Version 2 Plugin
• InfluxDB V2 writer

InfluxDB explorer example view

device, session and sensor name are stored as tags:

Miscellaneaous

app.y is a simple flask application to record the JSON stream emitted by sensorlogger.

log.js is an example recording fragment.

Bugs

Currently there is no authentication.