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shelly_api_get.py

Poll Shelly Relays and write Data to INFLUX Database for further use with i.e. Grafana as in my case.

Currently the script is only fetching the TEMPERATURE data from the Relays. Only the following models if Shelly are supported:

  • Shelly 1L
  • Shelly 1PM
  • Shelly 2.5

Prerequisites

  • Running INFLUX Database

Search documentation for INFLUX setup options on their respective websites.

Required Python3 Modules

The following Python3 Modules need to be installed (either locally or system wide):

  • json
  • urllib.request
  • datetime
  • pytz
  • influxdb
  • argparse

You can you the command:

python3 -m pip install <module>

Some configuration is required

To run this script, some configuration in the script will be needed. Please change the following, found in the script "Global Variables" and "InfluxDB Configuration":

  • Global Variables

    • shellyUsername="CHANGE" -> Username to log into the Shelly Web Interface
    • shellyPassword="CHANGE" -> Password to log into the Shelly Web Interface
  • InfluxDB Configuration

    • databaseHost = "CHANGE" -> Hostname where your InfluxDB is Running
    • databasePort = "CHANGE" -> Port for communication, Typically 8086
    • databaseDatabase = "CHANGE" -> Database name to write to
    • databaseUsername = "CHANGE" -> Username for the Database
    • databasePassword = "CHANGE" -> Password for the Database

Usage

usage: shelly_api_get.py [-h] ip {temp} {1PM,1L,2.5}

positional arguments:
  ip              Shelly IP Address
  {temp}          What data to poll (currently only relay temperature is available)
  {1PM,1L,2.5}  Currently Supported Shelly Devices

optional arguments:
  -h, --help      show this help message and exit

Example

user@server:~ $ python3 shell_api_get.py 10.0.5.170 temp 1L

Automate polling

If you wish to automate the polling, you could use crontab. Example crontab entry:

* * * * * /usr/bin/python3 /home/user/python/test/shelly_api_get.py 10.0.5.170 temp 1L

This entry will run the script each minute and write the data to InfluxDB

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Poll Shelly Relays and write Data to INFLUX Database

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