The Qemu Packer Plugin comes with a single builder able to create KVM virtual machine images.

To install this plugin add this code into your Packer configuration and run packer init

packer {
  required_plugins {
    qemu = {
      version = "~> 1"
      source  = "github.com/hashicorp/qemu"
    }
  }
}

Alternatively, you can use packer plugins install to manage installation of this plugin.

packer plugins install github.com/hashicorp/qemu

• qemu - The QEMU builder is able to create KVM virtual machine images.