Imports github.com/mitchellh/packer/packer github.com/mitchellh/goamz/aws code.google.com/p/go.crypto/ssh github.com/mitchellh/packer/common/uuid github.com/mitchellh/goamz/ec2 github.com/mitchellh/multistep Standard library imports bytes errors fmt io/ioutil log os runtime strings sync time unicode text/template