telegraf/plugins/inputs/openweathermap/README.md

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# OpenWeatherMap Input Plugin
Collect current weather and forecast data from OpenWeatherMap.
To use this plugin you will need an [api key][] (app_id).
City identifiers can be found in the [city list][]. Alternately you can
[search][] by name; the `city_id` can be found as the last digits of the URL:
https://openweathermap.org/city/2643743
### Configuration
```toml
[[inputs.openweathermap]]
## OpenWeatherMap API key.
app_id = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
## City ID's to collect weather data from.
city_id = ["5391959"]
## APIs to fetch; can contain "weather" or "forecast".
fetch = ["weather", "forecast"]
## OpenWeatherMap base URL
# base_url = "https://api.openweathermap.org/"
## Timeout for HTTP response.
# response_timeout = "5s"
## Preferred unit system for temperature and wind speed. Can be one of
## "metric", "imperial", or "standard".
# units = "metric"
## Query interval; OpenWeatherMap weather data is updated every 10
## minutes.
interval = "10m"
```
### Metrics
- weather
- tags:
- city_id
- forecast
- fields:
- cloudiness (int, percent)
- humidity (int, percent)
- pressure (float, atmospheric pressure hPa)
- rain (float, rain volume for the last 3 hours in mm)
- sunrise (int, nanoseconds since unix epoch)
- sunset (int, nanoseconds since unix epoch)
- temperature (float, degrees)
- visibility (int, meters, not available on forecast data)
- wind_degrees (float, wind direction in degrees)
- wind_speed (float, wind speed in meters/sec or miles/sec)
### Example Output
```
> weather,city=San\ Francisco,city_id=5391959,country=US,forecast=* cloudiness=40i,humidity=72i,pressure=1013,rain=0,sunrise=1559220629000000000i,sunset=1559273058000000000i,temperature=13.31,visibility=16093i,wind_degrees=280,wind_speed=4.6 1559268695000000000
> weather,city=San\ Francisco,city_id=5391959,country=US,forecast=3h cloudiness=0i,humidity=86i,pressure=1012.03,rain=0,temperature=10.69,wind_degrees=222.855,wind_speed=2.76 1559271600000000000
> weather,city=San\ Francisco,city_id=5391959,country=US,forecast=6h cloudiness=11i,humidity=93i,pressure=1012.79,rain=0,temperature=9.34,wind_degrees=212.685,wind_speed=1.85 1559282400000000000
```
[api key]: https://openweathermap.org/appid
[city list]: http://bulk.openweathermap.org/sample/city.list.json.gz
[search]: https://openweathermap.org/find