gateway/bbr/gcproutingextension.yaml

kind: GCPRoutingExtension
apiVersion: networking.gke.io/v1
metadata:
  name: bbr-extension
  namespace: default
spec:
  targetRefs:
  - group: "gateway.networking.k8s.io"
    kind: Gateway
    name: my-inference-gateway
  extensionChains:
  - name: chain1
    matchCondition:
      celExpressions:
      - celMatcher:
          celExpression: `request.headers["x-gateway-model-name"] != ""`
    extensions:
    - name: ext1
      authority: "myext.com"
      timeout: 1s
      supportedEvents:
      - RequestHeaders
      - RequestBody
      - RequestTrailers
      requestBodySendMode: "FullDuplexStreamed"
      backendRef:
        group: ""
        kind: Service
        name: body-based-router
        port: 9002