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AWS IoT SDK for Python v2でフリートプロビジョニング

Last updated at Posted at 2020-06-07

AWS IoTのフリートプロビジョニング機能が面白そうだなぁと思ってAWS IoT Device SDK for PythonのGitHubのREADMEを眺めていると
## New Version Available
の文字が!!!

AWS IoT SDK for Python v2が出てました。
https://github.com/aws/aws-iot-device-sdk-python-v2
(呼び方はAWS IoT SDK for Python v2なのかaws-iot-device-sdk-python-v2なのかAWS IoT Client SDK for Pythonなのかよくわかりません)

READMEによると

This SDK is built on the AWS Common Runtime, a collection of libraries written in C to be cross-platform, high-performance, secure, and reliable.

だそうです。

さらにv2はフリートプロビジョニングのAPIにもすでに対応しており、サンプルも含まれています。
今後はv2が主流でしょうか。

AWSのブログで紹介されていたサンプルと同じ内容をv2で試してみました。

フリートプロビジョニングを用いて、IoTデバイスとAWS IoT Coreの初期セットアップを自動化する方法

環境

Mac
Python 3.8.2

AWS IoT SDK for Python v2のインストール

git clone https://github.com/aws/aws-iot-device-sdk-python-v2.git
pip install ./aws-iot-device-sdk-python-v2

ブートストラップ証明書の配置

証明書は以下の場所に配置しました。

console
.
├── aws-iot-device-sdk-python-v2
└── certs
    ├── bootstrap-certificate.pem.crt
    ├── bootstrap-private.pem.key
    └── root.ca.pem

サンプルの実行

templateNametemplateParametersはいい感じに修正ください。

cd aws-iot-device-sdk-python-v2/samples/

python fleetprovisioning.py \
  --endpoint xxxxxxxxxx.iot.ap-northeast-1.amazonaws.com \
  --root-ca ../../certs/root.ca.pem \
  --cert ../../certs/bootstrap-certificate.pem.crt \
  --key ../../certs/bootstrap-private.pem.key \
  --templateName production_template \
  --templateParameters '{"SerialNumber": 9999, "hasValidAccount": false}'

実行結果(ところどころ伏せたり端折ったりしてます)

Connecting to xxxxxxxxxx.iot.ap-northeast-1.amazonaws.com with client ID 'samples-client-id'...
Connected!
Subscribing to CreateKeysAndCertificate Accepted topic...
Subscribing to CreateKeysAndCertificate Rejected topic...
Subscribing to RegisterThing Accepted topic...
Subscribing to RegisterThing Rejected topic...
Publishing to CreateKeysAndCertificate...
Waiting... CreateKeysAndCertificateResponse: null
Published CreateKeysAndCertificate request..
Received a new message awsiot.iotidentity.CreateKeysAndCertificateResponse(certificate_id='xxxxxxxxxx', certificate_ownership_token='xxxxxxxxxx', certificate_pem='-----BEGIN CERTIFICATE-----\nxxxxxxxxxx\n-----END CERTIFICATE-----\n', private_key='-----BEGIN RSA PRIVATE KEY-----\nxxxxxxxxxx\n-----END RSA PRIVATE KEY-----\n')
Publishing to RegisterThing topic...
Waiting... RegisterThingResponse: null
Published RegisterThing request..
Received a new message awsiot.iotidentity.RegisterThingResponse(device_configuration={}, thing_name='born_9999') 
Exiting Sample: success
Disconnecting...
Disconnected.

参考サイト

https://docs.aws.amazon.com/ja_jp/iot/latest/developerguide/provision-wo-cert.html
https://aws.amazon.com/jp/about-aws/whats-new/2020/04/announcing-general-availability-of-aws-iot-core-fleet-provisioning/
https://aws.amazon.com/jp/blogs/news/how-to-automate-onboarding-of-iot-devices-to-aws-iot-core-at-scale-with-fleet-provisioning/
https://qiita.com/tatsuhiroiida/items/46ef5035f99b304d3d6f

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