Set the value of subscription_id = "your_subscription_id" to your subscription ID as shown by az account show --query id --output tsv.
The interactive mode goes through the standard authentication process and stores a token in ~/.azure/packer.
Suitable for rapid testing of build scripts, but it is not for suited to production builds due to the interactive step. Does not work in Cloud Shell.
packer build ~/packer/auth/interactive/ubuntu_focal_gen2.pkr.hclCreates image ubuntu_focal_gen2 in resource group images.
imageId=$(az image show --name ubuntu_focal_gen2 --resource-group images --query id --output tsv)