Imports github.com/mitchellh/mapstructure github.com/mitchellh/packer/common github.com/mitchellh/packer/packer github.com/mitchellh/packer/common/uuid code.google.com/p/go.crypto/ssh github.com/mitchellh/packer/communicator/ssh github.com/mitchellh/multistep Standard library imports crypto/rand crypto/x509 encoding/json errors fmt io/ioutil log net/http net/url os strings time crypto/rsa encoding/pem