def get_device_twin(device_id):
iot_hub = IoTHub(os.environ['IOT_HUB_NAME'],
os.environ['IOT_HUB_OWNER_KEY'])
twin_data = iot_hub.get_device_twin(device_id)
resp = Response(twin_data)
resp.headers['Content-type'] = 'application/json'
return resp
healthy_spectral_profile = {
'W': [1, 2, 3, 4, 5, 12, 15],
'A': [5, 8, 2 / 3, 9, 8, 13, 5]
}
rotor_imbalance_speactral_profile = {
'W': [1 / 2, 1, 2, 3, 5, 7, 12, 18],
'A': [1, 5, 80, 2 / 3, 8, 2, 14, 50]
}
rotor_imbalance_device_id = devices[-1].deviceId
low_pressure_device_id = devices[-2].deviceId
for device in devices:
twin_data = iot_hub.get_device_twin(device.deviceId)
twin_data_json = json.loads(twin_data)
twin_properties = twin_data_json['properties']
if 'speed' not in twin_properties['desired']:
twin_properties = {
'properties': {
'desired': {
'speed':
random.randint(600, 1500),
'spectralProfile':
json.dumps(healthy_spectral_profile if
device.deviceId != rotor_imbalance_device_id
else rotor_imbalance_speactral_profile),
'pressureFactor':
2 if device.deviceId != low_pressure_device_id else 1.5
}