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clerie 1 year ago
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  1. 21
      LICENSE
  2. 55
      README.md
  3. 54
      iot_data/__init__.py
  4. 1
      requirements.txt
  5. 18
      setup.py

21
LICENSE

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MIT License
Copyright (c) 2021 clerie
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

55
README.md

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# 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/
```
## 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"
},
}
```
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
```

54
iot_data/__init__.py

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#!/usr/bin/env python3
from flask import Flask, abort, request, make_response
import json
import os
app = Flask(__name__)
values = {}
config = {}
if "IOT_DATA_CONFIG" in os.environ:
config = json.loads(open(os.environ["IOT_DATA_CONFIG"]).read())
# just make the key lookup faster
keys = {}
for name, c in config.items():
if "key" in c:
if c["key"] in keys:
raise Exception("Keys need to be unique")
else:
keys[c["key"]] = name
@app.route("/ingress/<string:key>/", methods=["POST"])
def ingress(key):
if key in keys:
content_type = "text/plain"
if "content-type" in request.headers:
content_type = request.headers["content-type"]
values[keys[key]] = {
"payload": request.data,
"content-type": content_type,
}
else:
abort(401)
resp = make_response("", 201)
return resp
@app.route("/data/<string:name>/")
def data(name):
if not name in config:
abort(404)
if not name in values:
resp = make_response("", 204)
return resp
resp = make_response(values[name]["payload"], 200)
resp.headers['content-type'] = values[name]["content-type"]
return resp
if __name__ == "__main__":
app.run(debug=True)

1
requirements.txt

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flask

18
setup.py

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#!/usr/bin/env python3
import setuptools
with open("README.md", "r") as fh:
long_description = fh.read()
setuptools.setup(
name="iot-data",
version="0.0.1",
author="clerie",
author_email="hallo@clerie.de",
description="IOT Data",
long_description=long_description,
long_description_content_type="text/markdown",
url="https://git.clerie.de/clerie/iot-data",
packages=setuptools.find_packages(),
)
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