kubernetes/cluster/addons/cluster-loadbalancing/glbc/default-svc.yaml

apiVersion: v1
kind: Service
metadata:
  # This must match the --default-backend-service argument of the l7 lb
  # controller and is required because GCE mandates a default backend.
  name: default-http-backend
  namespace: kube-system
  labels:
    k8s-app: glbc
    kubernetes.io/cluster-service: "true"
    addonmanager.kubernetes.io/mode: Reconcile
    kubernetes.io/name: "GLBCDefaultBackend"
spec:
  # The default backend must be of type NodePort.
  type: NodePort
  ports:
  - port: 80
    targetPort: 8080
    protocol: TCP
    name: http
  selector:
    k8s-app: glbc