How to integrate AWS IoT Greengrass

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1. Article purpose[edit source]

The purpose of this article is to explain how to integrate Amazon Web Service (AWS) IoT Greengrass^[1] on top of OpenSTLinux running on the STM32MP157C-DK2 Discovery kit.

This article explains step by step how to configure Linux^® software to support AWS IoT Greengrass.

2. Prerequisites[edit source]

2.1. Hardware prerequisites[edit source]

STM32MP157C-DK2

STM32MP157C-DK2

For more information on this STM32 Discovery kit and how to get started with it, go to Getting_started/STM32MP1_boards/STM32MP157C-DK2.

2.2. Software prerequisites[edit source]

The STM32MP157C-DK2 Discovery kit must be populated. To do this, first install the board as described in STM32MP157C-DK2 Let's start article, then follow the procedure below.

2.3. Module 1: environment setup for Greengrass running on an STM32MP1 system[edit source]

1. Update your STM32MP1 system for AWS IoT Greengrass. First, run the following commands from a local STM32MP1 terminal window or from an SSH terminal window:

 adduser --system ggc_user
 addgroup --system ggc_group

2. Fix the DNS error (only if you are using STM32MP15 ecosystem release note - v1.0.0, not needed for next releases):

 rm /etc/resolv.conf
 ln -s /run/systemd/resolve/resolv.conf /etc/resolv.conf                                                                                                
 systemctl restart systemd-networkd

3. Make sure all required dependencies are present by downloading and running the Greengrass dependency checker from the AWS IoT Greengrass Samples repository on GitHub. These commands unzip and run the dependency checker script in your $HOME directory.

The Greengrass dependency checker is provided AS IS, and by downloading it, you agree to be bound to the terms of the associated license. The detailed content licenses can be found here.

 cd /home/root/
 mkdir greengrass-dependency-checker-GGCv1.9.0
 cd greengrass-dependency-checker-GGCv1.9.0
 wget https://github.com/aws-samples/aws-greengrass-samples/raw/master/greengrass-dependency-checker-GGCv1.9.0.zip
 unzip greengrass-dependency-checker-GGCv1.9.0.zip
 modprobe configs
 ./check_ggc_dependencies | more

To display additional entries, press the Spacebar key.

Information

Python 2.7 is required to run this tutorial. The check_ggc_dependencies script might generate warnings about the missing optional Node.js and Java prerequisites. You can ignore them.

Your STM32MP1 configuration is now complete. Proceed with Module 2: Installing the Greengrass Core Software.

3. References[edit source]

↑ Amazon Web Service (AWS) IoT Greengrass [1]

[Amazon_Web_Service_.28AWS.29_IoT_Greengrass-1] Amazon Web Service (AWS) IoT Greengrass [1]

[1]