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README.md

darksky-influxdb

Docker image which logs weather information from DarkSky.net to InfluxDB.

DarkSky key

A DarkSky api key can be requested here: https://darksky.net/dev. This key needs to be provided to the docker image as an environment variable.

You get 1000 requests per day for free. Enough to use for your personal weather logger.

Usage

An example of using this in docker-compose can be found here.

Run it once:

docker run -rm -it \
    -e DARKSKY_KEY=<your-darksky-key> \
    -e INFLUXDB_HOST=influxdb.myhost.io \
    -e INFLUXDB_PORT=8086 \
    -e INFLUXDB_DATABASE=weather \
    erwinsteffens/darksky-influxdb:latest

Run it every 10 seconds:

docker run -rm -it \
    -e DARKSKY_KEY=<your-darksky-key> \
    -e CRON="*\10 * * * * *" \
    -e INFLUXDB_HOST=influxdb.myhost.io \
    -e INFLUXDB_PORT=8086 \
    -e INFLUXDB_DATABASE=weather \
    erwinsteffens/darksky-influxdb:latest

Query the weather data from your InfluxDB instance. For example show average temperature for the last 7 days:

SELECT MEAN("temperature") FROM weather WHERE time > now() - 7d GROUP BY time(1d)

Environment variables

DEBUG

When set to any value, write request output to the command line.

CRON

When set the data will be updated on the given interval.

Examples:

  • *\10 * * * * *: update every 10 seconds.
  • * *\10 * * * *: update every 10 minutes.
  • * 5 * * * *: update every hour on the 5th minute.

DARKSKY_KEY

Your DarkSky api key. Request it here: https://darksky.net/dev

DARKSKY_UNITS

The metric units to use. Choose from:

  • auto: automatically select units based on geographic location
  • ca: same as si, except that windSpeed is in kilometers per hour
  • uk2: same as si, except that nearestStormDistance and visibility are in miles and windSpeed is in miles per hour
  • us: Imperial units (the default)
  • si: SI units

DARKSKY_LATITUDE and DARKSKY_LONGITUDE

Your geo coordinates to get the weater data for. You can find them here: http://mygeoposition.com/.

INFLUXDB_HOST

Hostname of IP of your InfluxDB server.

INFLUXDB_PORT

Port of your InfluxDB server.

INFLUXDB_DATABASE

Database to write to for InfluxDB.

INFLUXDB_USERNAME and INFLUXDB_PASSWORD

Credentials to use for InfluxDB.

About

Logs weather information from darksky.io to InfluxDB

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