---
apiVersion: gateway.networking.k8s.io/v1beta1
kind: ReferenceGrant
metadata:
  name: secret-from-default
  namespace: secret-namespace
spec:
  from:
    - group: gateway.networking.k8s.io
      kind: Gateway
      namespace: differentnamespace
  to:
    - group: ""
      kind: Secret
---
apiVersion: v1
kind: Secret
metadata:
  name: supersecret
  namespace: secret-namespace

data:
  tls.crt: LS0tLS1CRUdJTiBDRVJUSUZJQ0FURS0tLS0tCi0tLS0tRU5EIENFUlRJRklDQVRFLS0tLS0=
  tls.key: LS0tLS1CRUdJTiBQUklWQVRFIEtFWS0tLS0tCi0tLS0tRU5EIFBSSVZBVEUgS0VZLS0tLS0=

---
kind: GatewayClass
apiVersion: gateway.networking.k8s.io/v1
metadata:
  name: my-gateway-class
spec:
  controllerName: traefik.io/gateway-controller

---
kind: Gateway
apiVersion: gateway.networking.k8s.io/v1
metadata:
  name: my-gateway
  namespace: default
spec:
  gatewayClassName: my-gateway-class
  listeners: # Use GatewayClass defaults for listener definition.
    - name: tls
      protocol: TLS
      port: 9000
      hostname: foo.example.com
      tls:
        mode: Terminate # Default mode
        certificateRefs:
          - kind: Secret
            name: supersecret
            namespace: secret-namespace
            group: ""
      allowedRoutes:
        kinds:
          - kind: TCPRoute
            group: gateway.networking.k8s.io
        namespaces:
          from: Same

---
kind: TCPRoute
apiVersion: gateway.networking.k8s.io/v1alpha2
metadata:
  name: tcp-app-1
  namespace: default
spec:
  parentRefs:
    - name: my-gateway
      kind: Gateway
      group: gateway.networking.k8s.io
  rules:
    - backendRefs:
        - name: whoamitcp
          port: 9000
          weight: 1
          kind: Service
          group: ""