Imports github.com/Sirupsen/logrus github.com/codegangsta/cli github.com/docker/machine/drivers github.com/docker/machine/drivers/vmwarevsphere/errors github.com/docker/machine/ssh github.com/docker/machine/state github.com/docker/machine/utils Standard library imports bytes fmt io io/ioutil net/http os os/exec path path/filepath strconv strings