Imports github.com/golang/glog k8s.io/client-go/kubernetes k8s.io/client-go/rest github.com/knative/serving/pkg/client/clientset/versioned github.com/knative/serving/pkg/controller github.com/knative/serving/pkg/signals github.com/knative/serving/pkg/activator Standard library imports flag fmt net/http net/url net/http/httputil