Note
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You can install IoT Edge on Kubernetes using KubeVirt technology. KubeVirt is an open-source project from the Cloud Native Computing Foundation (CNCF) that provides a Kubernetes virtualization API and runtime to define and manage virtual machines.
Architecture
| Note | Description |
|---|---|
| 1 | Install KubeVirt custom resource definitions (CRDs) into the Kubernetes cluster. Like the Kubernetes cluster, management and updates to KubeVirt components are outside the purview of IoT Edge. |
| 2️ | A KubeVirt VirtualMachine custom resource defines a virtual machine with required resources and a base operating system. A running instance of this resource is created in a Kubernetes pod using KVM and QEMU technologies. If your Kubernetes node is itself a virtual machine, you need to enable nested virtualization to use KubeVirt. |
| 3️ | The environment inside the QEMU container is like an OS environment. IoT Edge and its dependencies (like the Docker container engine) can be set up using standard installation instructions or a cloud-init script. |
Sample
A functional sample for running IoT Edge on Azure Kubernetes Service (AKS) with KubeVirt is available at https://aka.ms/iotedge-kubevirt.