Imports github.com/juju/errors github.com/juju/juju/network github.com/juju/loggo github.com/juju/utils golang.org/x/oauth2 golang.org/x/oauth2/google google.golang.org/api/compute/v1 google.golang.org/api/googleapi Standard library imports encoding/json fmt io io/ioutil net/http net/mail path strings time