Imports github.com/mitchellh/packer/builder/amazon/common github.com/mitchellh/packer/packer github.com/mitchellh/goamz/aws github.com/mitchellh/packer/builder/common github.com/mitchellh/goamz/ec2 github.com/mitchellh/multistep Standard library imports bytes errors fmt log os strconv strings time text/template