Install

Register the AKS preview extension

az extension add --name aks-preview
az extension update --name aks-preview

Register the Azure Overlay Preview feature

az feature register --namespace "Microsoft.ContainerService" --name "AzureOverlayPreview"
az feature show --namespace "Microsoft.ContainerService" --name "AzureOverlayPreview"

Deploy the AKS cluster

terraform init
terraform apply --auto-approve

resource_group=$(terraform output -raw resource_group)
aks_name=$(terraform output -raw aks_name)
az aks get-credentials --resource-group $resource_group --name $aks_name
kubectl apply -f k8s/

References:

• https://learn.microsoft.com/en-us/azure/aks/azure-cni-overlay
• Control egress traffic for cluster nodes in Azure Kubernetes Service (AKS)