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# -------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See License.txt in the project root for
# license information.
# --------------------------------------------------------------------------
import os
from azure.iot.deviceupdate import DeviceUpdateClient
from azure.identity import DefaultAzureCredential
from azure.core.exceptions import HttpResponseError
# Set the values of the client ID, tenant ID, and client secret of the AAD application as environment variables:
# AZURE_CLIENT_ID, AZURE_TENANT_ID, AZURE_CLIENT_SECRET
# Set the following environment variables for this particular sample:
# DEVICEUPDATE_ENDPOINT, DEVICEUPDATE_INSTANCE_ID, DEVICEUPDATE_DEVICE_GROUP
try:
endpoint = os.environ["DEVICEUPDATE_ENDPOINT"]
instance = os.environ["DEVICEUPDATE_INSTANCE_ID"]
group = os.environ["DEVICEUPDATE_DEVICE_GROUP"]
except KeyError:
print("Missing one of environment variables: DEVICEUPDATE_ENDPOINT, DEVICEUPDATE_INSTANCE_ID, DEVICEUPDATE_DEVICE_GROUP")
exit()
# Build a client through AAD
client = DeviceUpdateClient(credential=DefaultAzureCredential(), endpoint=endpoint, instance_id=instance)
try:
print("Get various device management information from Device Update for IoT Hub...")
print("\nDevices:")
response = client.device_management.list_devices()
for item in response:
print(f" {item['deviceId']}")
print("\nDevice groups:")
response = client.device_management.list_groups()
for item in response:
print(f" {item['groupId']}")
print("\nDevice classes:")
response = client.device_management.list_device_classes()
for item in response:
print(f" {item['deviceClassId']}")
print(f"\nFor group '{group}', best updates are:")
response = client.device_management.list_best_updates_for_group(group)
for item in response:
print(f" Device class '{item['deviceClassId']}':")
print(f" {item['update']['updateId']['provider']}")
print(f" {item['update']['updateId']['name']}")
print(f" {item['update']['updateId']['version']}")
except HttpResponseError as e:
print('Failed to get device message: {}'.format(e))
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