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iot-edge-config/README.md

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Azure IoT Edge Configuration Tool V2

Note: The config tool v2 is currently at beta stage and is compatible with Ubuntu 20.04 devices. For devices outside of the current scope, feel free to try v2 or use the original IoT Edge config tool.

Overview

The Azure IoT Edge Configuration Tool v2 (previously called the Azure Edge "Installer") is an onboarding tool that simplifies the edge device setup process by bringing the installation of several services into a command-line operation. Developers can use the tool to register their device to Azure IoT Hub and install core components for securing and managing intelligent edge devices.

The config tool installs device-side agents for:

  1. IoT Edge - Microsoft service for remotely and securely deploying and managing cloud-native workloads on IoT devices
  2. Defender for IoT (v2 only) - Microsoft security offering that offers network detection and response that can be rapidly deployed and works with diverse IoT, OT, and industrial control system devices
  3. OSConfig (v2 only) - Microsoft agent that brings configuration management capabilities into Azure IoT twin-based workflows

Device Setup

Compatible Hardware

The configuration tool V2 supports Ubuntu 20.04 devices and has been officially validated for the following devices:

  • NVIDIA AGX Orin/Orin NX
  • NVIDIA AGX Xavier/Xavier NX (only on Jetpack 5.0)

If you run into any problems with hardware compatibility, please feel free to open an issue on GitHub.

NVIDIA Xavier/Orin Guidance

For NVIDIA Jetson devices, you will need the following equipment for setup via GUI:

  • External monitor + USB keyboard/mouse
  • [Orin Only] DP-to-DP cable and monitor with display port (DP-to-HDMI cable will not work)
  • [JP4.x OS/FW Only] Additional physical host machine with Ubuntu OS (This is only required if your developer kit currently boots with JP4.x OS/FW(Ubuntu 18.04))
    • Please see Device Setup for more information

If you are setting up your device for the first time, refer to this guidance:

[Important] When going through the Jetson device setup, make sure you include not only the Jetson Linux BSP but also the JetPack SDK if you plan to deploy DeepStream workloads to the device.

If your DK is already setup but not registered to Azure, refer to this guidance:

  1. Check the OS of your device by running command “lsb_release -a”. Orin devices will likely be Ubuntu 20.0.4, which is sufficient for the configuration tool V2. Xavier devices will likely be Ubuntu 18.0.4, which needs to be upgraded to use the configuration tool V2.
  2. For devices on Ubuntu 18.04: You will need to flash Jetpack 5.0 or later for your device to be compatible with configuration tool V2. Navigate to NVIDIA’s guidance for flashing your specific device.
  3. For devices on Ubuntu 20.04: You can proceed to run the configuration tool V2. But it is recommended to install the latest version of Jetpack 5.0 by following Step 2 of Getting Started with Jetson Orin guide.

If your DK is already registered to an IoT Hub/Edge account, you can still follow the guidance of using connection string to run the configuration tool V2 and connect to the same IoTHub. The configuration tool V2 should effectively install Defender for IoT and OSConfig.

How to Install

Prerequisite

  1. Make sure the developer kit is connected to the internet before executing the configuration tool V2!
  2. Set up Azure Basics
  3. Save the connection string to a .txt file (or if using DPS provisioning, save Registration_ID, Symmetric Primary Key, the IoT Hub host name, DPS Scope ID to a .txt file).

Install the Edge Configuration Tool V2 online (Recommended Option)

This is the recommended method for installing the latest config tool.

  1. Config Linux Software Repository for Microsoft Products 
    curl -sSL https://packages.microsoft.com/config/ubuntu/20.04/prod.list | sudo tee /etc/apt/sources.list.d/microsoft-prod.list; curl -sSL https://packages.microsoft.com/keys/microsoft.asc | sudo tee /etc/apt/trusted.gpg.d/microsoft.asc
  2. Install the Edge Configuration Tool V2 with apt-get 
    sudo apt-get update; sudo apt list edge-config-tool; sudo apt-get install edge-config-tool; cd /usr/local/microsoft/edge-config-tool

Install the Edge Configuration Tool V2 with offline package (Alternative Option)

This is an alternative method for installing the config tool. If you have already completed the previous step (apt-get installation), you can skip to the next section to connect your device to Azure.

  1. Download the config tool V2 .deb file (ex: edge-config-tool_2.0.0_arm64.deb)
  2. Copy the config tool V2 file and the txt file that contains provision info to your NV developer kit by USB drive
  3. Install the Edge Config Tool V2 with following commands from the directory of the .deb file. 
    sudo chmod +x edge-config-tool_2.0.0_arm64.deb; sudo dpkg -i edge-config-tool_2.0.0_arm64.deb; cd /usr/local/microsoft/edge-config-tool
    [Note] 2.0.0 is the current configuration tool V2 version, if you are using other versions, please modify the command accordingly.

Execute the configuration tool V2 and connect to Azure

  1. To execute the configuration tool V2 and set the developer kit Azure ready, you can choose one of the provisioning mechanisms below when executing the configuration tool V2. Make sure you are under the directory of “/usr/local/microsoft/edge-config-tool” when executing the following command.

    [Connection String]

    sudo ./azure-iot-edge-installer.sh -c  “<Azure IoT Edge Device Connection String>”

    [DPS]

    sudo ./azure-iot-edge-installer.sh -s <ID Scope> -r <Registration ID> -k <Symmetric Key>

    [Note] To disable the telemetry sending to Microsoft, add the parameter -nt or –telemetry-opt-out when executing the shell script.

  2. Refer to the help menu for more options:

    sudo ./azure-iot-edge-installer.sh -h

Post-Install Experience

Using the Services in the Fundamentals Package

Updating Packages

The configuration tool V2 installs specific versions of Microsoft fundamental packages (IoTEdge, OSConfig, Defender for IoT). This is the verified known stable combination. Please refer to the release note for versions information. If for any reason you want to use the latest fundamental packages, run the following command AFTER you have successfully run the configuration tool V2. This will trigger the update of those components.

sudo ./azure-iot-edge-installer.sh -u

Uninstallation

  1. Uninstall Edge runtime & Azure device-side agents
$ sudo apt-get remove --purge aziot-edge aziot-identity-service osconfig edge-config-tool -y
  1. Enumerate and remove edge modules
$ sudo docker ps -a
$ sudo docker rm -f <container id>
$ sudo docker images
$ sudo docker rmi -f <image id>
  1. Restart your device
$ sudo reboot

Troubleshooting

Edge runtime and module status

The expected status of IoT Edge runtime response is “NA” or “417 – The device’s deployment configuration is not set”. It will change to “200 – OK” after the first module deployment. (You can simply click the “Set Modules” to trigger an empty deployment.)

For DefenderMicroAgent and OSConfig module, it is expected to see the states show “NA”. As long as you get the following INFO notification from the configuration tool V2 output, you are good to go.

Configuration Check

Use the following command if you want to verify the configuration tool V2 is correctly setup.

dpkg-query -s edge-config-tool

The IoT Edge Check is a useful tool for checking the status of edge agent and edge hub. Before you proceed to the check process, please double confirm if system time has been synchronized after network configured.

Sudo timedatectl status

Then, you can perform configuration and connectivity checks.

Sudo iotedge check

Internal DNS (Highly Recommended)

If your network environment is under corpnet, you may need to follow the steps below to add an internal DNS server for Docker network to avoid IoTEdge connectivity issue. (follow the instruction carefully, or refer to VI Editor with Commands in Linux/Unix Tutorial to learn details about editing file in terminal.)

  1. When the device is already connected to the corpnet, use the following command to check the DNS server IP.
$ sudo systemd-resolve --status
  1. In a terminal window, us the following command to open the config file:
$ sudo vi /etc/docker/daemon.json
  1. Find the following line and move the cursor to the highlighted location. Then press “i” to enter insert mode.

“dns”: [“1.1.1.1”, “8.8.8.8”],

  1. Insert the characters so the line is modified as below. (Your DNS server IP needs to be the fist element in the array.)

“dns”: [“<DNS server IP>”, “1.1.1.1”, “8.8.8.8”],

  1. Press Esc key to exit the insert mode.
  2. Type “:wq” to save and exit.
  3. Restart Docker service after the configuration is updated.
$ sudo systemctl restart docker

Further IoT Edge diagnostic

For information about each of the diagnostic checks this tool runs, including what to do if you get an error or warning, see IoT Edge troubleshoot checks. The configuration tool V2 performs the installation and default setup process. However, there are other factors that impact the behavior of IoT Edge runtime/service (such as network configuration, firewall…). Therefore, please do check the following IoT Edge troubleshooting guidance if you encounter IoT Edge issues:

[Note] DPS provisioning does not contain IoTHub’s hostname, so users need to add additional parameter for iotedge check command. Refer to the following links for troubleshooting:

Appendix

Provision with connection string

  1. Register your device In your IoT hub in the Azure portal, IoT Edge devices are created and managed separately from IoT devices that are not edge enabled.

    1. Sign in to the Azure portal and navigate to your IoT hub.
    2. In the left pane, select IoT Edge from the menu, then select Add an IoT Edge device.
    3. On the Create a device page, provide the following information:
      1. Create a descriptive device ID. Make a note of this device ID, as you'll use it later.
      2. Select Symmetric key as the authentication type.
      3. Use the default settings to auto-generate authentication keys and connect the new device to your hub.
    4. Select Save. Now that you have a device registered in IoT Hub, retrieve the information that you use to complete installation and provisioning of the IoT Edge runtime.

  2. View registered devices and retrieve provisioning information Devices that use symmetric key authentication need their connection strings to complete installation and provisioning of the IoT Edge runtime. All the edge-enabled devices that connect to your IoT hub are listed on the IoT Edge page.

When you're ready to set up your device, you need the connection string that links your physical device with its identity in the IoT hub. Devices that authenticate with symmetric keys have their connection strings available to copy in the portal. 1. From the IoT Edge page in the portal, click on the device ID from the list of IoT Edge devices. 2. Copy the value of either Primary Connection String or Secondary Connection String. Refer to Create and provision an IoT Edge device on Linux using symmetric keys - Azure IoT Edge | Microsoft Docs for more details.

Provision with DPS

  1. Set-Up Azure Basics – If you do not have an IoT Hub (and DPS linked to your IoT Hub), follow these [instructions](https://word-edit.officeapps.live.com/we/Quickstart - Set up IoT Hub Device Provisioning Service in the Microsoft Azure portal %7C Microsoft Docs) to create an IoT Hub, create a DPS instance, and link the IoT Hub to your DPS instance
  2. Create an individual enrollment within the DPS resource

    1. Specify the Mechanism to be Symmetric Key, and set IoT Edge Device = TRUE. Refer to the image below for filling in remaining fields.

    2. Copy the following for later use.

      1. the Registration_ID,
      2. Symmetric Primary Key,
      3. the IoT Hub host name that’s been assigned.
      4. DPS Scope ID (found in DPS overview page)

    3. [Note] If the dropdown menu from the final field in the image above does not include an IoT Hub, still proceed to the next page – where the option will likely update.

    4. [Note] The configuration tool V2 does not support the following characters for DeviceID: =, %, !, $

    5. [Note] If you would like to utilize the hostname option (-hn or --hostname) to assign hostname as DeviceId, please also notice the following special characters do not comply with RFC 1035 for hostname naming: + _ # * ? ( ) , : @ '