Imports github.com/pkg/errors k8s.io/client-go/kubernetes k8s.io/client-go/rest github.com/ghodss/yaml k8s.io/client-go/tools/clientcmd k8s.io/apimachinery/pkg/apis/meta/v1/unstructured sigs.k8s.io/kubefed/pkg/kubefedctl/options Standard library imports fmt io strings