Imports github.com/mitchellh/multistep github.com/mitchellh/packer/common github.com/mitchellh/packer/packer github.com/mitchellh/packer/common/ssh github.com/mitchellh/packer/communicator/ssh code.google.com/p/go.crypto/ssh Standard library imports unicode bytes errors fmt io io/ioutil log math/rand net net/http os os/exec path/filepath regexp runtime strings sync time unicode/utf8