iot-data/README.md

# IOT Data

Just a tiny service for posting small datasets to a server which can get fetched by other services afterwards.

It just keeps the data in RAM so it is definetely not for big stuff and log term storages.

## Usage

Read data:
```
curl http://iot-data.clerie.de/data/sensor1/
```

Write data:
```
curl -X POST -d 'hello world!'' -H 'Content-Type: text/plain' http://iot-data.clerie.de/ingress/asdf1234/
```

Content type is considered too:
```
curl -X POST -d '{"key": "value"}' -H 'Content-Type: application/json' http://iot-data.clerie.de/ingress/asdf1234/
```

Check for the last data input with the `Last-Modified` header.

## Deployment
Init codebase
```
git clone https://github.com/clerie/iot-data.git
cd iot-data/
virtualenv -p python3 ENV
cd ..
```

Create `config.json` with the following contents and edit values for your needs:

```
{
  "sensor1": {
    "key": "asdf1234"
  },
  "sensor2": {
    "key": "supersecret",
    "delete-after": 60
  },
}

```

`delete-after`: Specifies the seconds after which the data gets discarded and no data is returned.

Starten und updaten lässt sich die Flask-App folgendermaßen:
```
cd iot-data/
git pull
source ENV/bin/activate
pip install -r requirements.txt
IOT_DATA_CONFIG=/path/to/config.json gunicorn iot_data:app
deactivate
```