Imports k8s.io/kubernetes/pkg/api/unversioned k8s.io/kubernetes/pkg/api/v1 k8s.io/kubernetes/pkg/runtime github.com/ghodss/yaml k8s.io/kubernetes/pkg/util/yaml k8s.io/kubernetes/pkg/util/validation k8s.io/kubernetes/pkg/apis/extensions/v1beta1 Standard library imports encoding/json flag fmt io io/ioutil log os path sort strings