Imports github.com/mitchellh/packer/common github.com/mitchellh/packer/helper/config github.com/mitchellh/packer/packer github.com/mitchellh/packer/template/interpolate github.com/mitchellh/packer/common/uuid github.com/mitchellh/packer/provisioner Standard library imports bytes encoding/json fmt io/ioutil os path/filepath strings