Пример #1
0
def set_desired_properties(device_id):
    speed = request.form["speed"]
    payload = {'properties': {'desired': {'speed': int(speed)}}}
    payload_json = json.dumps(payload)

    iot_hub = IoTHub(os.environ['IOT_HUB_NAME'],
                     os.environ['IOT_HUB_OWNER_KEY'])
    twin_data = iot_hub.update_twin(device_id, payload_json)
    resp = Response(twin_data)
    resp.headers['Content-type'] = 'application/json'
    return resp
Пример #2
0
def create_devices():
    iot_hub = IoTHub(os.environ['IOT_HUB_NAME'],
                     os.environ['IOT_HUB_OWNER_KEY'])
    iot_device_count = 10

    devices = []
    for i in range(iot_device_count):
        device_id = 'MACHINE-{0:03d}'.format(i)
        device = iot_hub.create_device(device_id)
        devices.append(device)

    rotor_imbalance_device_id = devices[-1].deviceId
    low_pressure_device_id = devices[-2].deviceId

    def failure_onset(device_id):
        if device_id == rotor_imbalance_device_id:
            return 'F01'
        if device_id == low_pressure_device_id:
            return 'F02'
        return None

    for device in devices:
        twin_properties = {
            'tags': {
                'simulated': True,
                'simulator': 'devices.engines.Engine'
            },
            'properties': {
                'desired': {
                    'speed': random.randint(600, 1500),
                    'mode': 'auto',
                    'failureOnset': failure_onset(device.deviceId)
                }
            }
        }

        iot_hub.update_twin(device.deviceId, json.dumps(twin_properties))

    return redirect(url_for('telemetry'))
Пример #3
0
def set_desired_properties(device_id):
    desired_props = {}
    for key in request.form:
        if key == 'speed':
            desired_props[key] = int(request.form[key])
        else:
            desired_props[key] = request.form[key]

    payload = {'properties': {'desired': desired_props}}
    payload_json = json.dumps(payload)

    iot_hub = IoTHub(os.environ['IOT_HUB_NAME'],
                     os.environ['IOT_HUB_OWNER_KEY'])
    twin_data = iot_hub.update_twin(device_id, payload_json)
    resp = Response(twin_data)
    resp.headers['Content-type'] = 'application/json'
    return resp
Пример #4
0
        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
                    }
                }
            }
            iot_hub.update_twin(device.deviceId, json.dumps(twin_properties))

    processes = []
    for device in devices:
        processes.append(
            Process(target=device_driver, args=(device.deviceId, )))

    for process in processes:
        process.daemon = True
        process.start()

    while all(map(lambda c: c.is_alive(), processes)):
        time.sleep(3)