Imports github.com/coreos/go-etcd/etcd launchpad.net/goamz/aws launchpad.net/goamz/ec2 code.google.com/p/go.crypto/ssh Standard library imports encoding/json encoding/pem fmt io/ioutil log net/http net/url os strconv strings time crypto/rand crypto/rsa crypto/tls crypto/x509 encoding/base64