istio

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apiVersion: gateway.networking.k8s.io/v1beta1
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kind: GatewayClass
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metadata:
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  name: istio
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spec:
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  controllerName: istio.io/gateway-controller
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---
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apiVersion: gateway.networking.k8s.io/v1beta1
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kind: Gateway
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metadata:
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  name: gateway
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  namespace: istio-system
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spec:
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  addresses:
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  - value: istio-ingressgateway
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    type: Hostname
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  gatewayClassName: istio
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  listeners:
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  - name: http
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    hostname: "*.domain.example"
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    port: 80
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    protocol: HTTP
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    allowedRoutes:
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      namespaces:
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        from: All
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  - name: tcp
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    port: 34000
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    protocol: TCP
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    allowedRoutes:
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      namespaces:
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        from: All
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---
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apiVersion: gateway.networking.k8s.io/v1beta1
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kind: HTTPRoute
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metadata:
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  name: http
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  namespace: default
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spec:
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  parentRefs:
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  - name: gateway
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    namespace: istio-system
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  hostnames: ["first.domain.example"]
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  rules:
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  - matches:
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    - path:
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        type: PathPrefix
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        value: /get
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    backendRefs:
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      - name: httpbin
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        port: 80
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        weight: 2
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      - name: httpbin-other
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        port: 8080
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        weight: 3
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      - name: httpbin-zero
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        port: 8080
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        weight: 0
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  - matches:
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    - path:
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        type: PathPrefix
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        value: /weighted-100
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    backendRefs:
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    - filters:
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      - requestHeaderModifier:
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          add:
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          - name: foo
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            value: bar
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        type: RequestHeaderModifier
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      - responseHeaderModifier:
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          add:
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          - name: response
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            value: header
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        type: ResponseHeaderModifier
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      port: 8000
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      name: foo-svc
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      weight: 100
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---
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apiVersion: gateway.networking.k8s.io/v1alpha2
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kind: TCPRoute
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metadata:
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  name: tcp
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  namespace: default
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spec:
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  parentRefs:
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  - name: gateway
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    namespace: istio-system
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  rules:
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  - backendRefs:
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    - name: httpbin
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      port: 9090
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      weight: 1
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    - name: httpbin-alt
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      port: 9090
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      weight: 2
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