Imports github.com/hashicorp/packer/helper/config github.com/hashicorp/packer/packer github.com/google/shlex github.com/hashicorp/packer/template/interpolate github.com/hashicorp/packer/common Standard library imports bufio bytes crypto/rand crypto/x509 encoding/binary errors fmt io io/ioutil log net os os/exec path/filepath regexp strconv strings sync time crypto/rsa encoding/pem unicode