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: default
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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: Selector
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        selector:
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          matchLabels:
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            istio.io/test-name-part: allowed
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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: allowed-1
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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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  - group: ""
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    kind: Service
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    name: a-example
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  - group: ""
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    kind: Service
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    name: b-example
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  hostnames: ["a.domain.example", "b.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: /foo
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      headers:
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      - name: my-header
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        value: some-value
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        type: Exact
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    backendRefs:
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    - name: svc1
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      port: 80
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  - matches:
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    - path:
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        type: RegularExpression
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        value: /foo((\/).*)?
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    backendRefs:
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    - name: svc2
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      port: 80
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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: allowed-2
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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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  - group: ""
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    kind: Service
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    name: a-example
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  hostnames: ["a.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: /foo/bar
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    - path:
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        type: PathPrefix
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        value: /bar
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    backendRefs:
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    - name: svc2
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      port: 80
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  - matches:
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    - path:
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        type: Exact
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        value: /baz
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      headers:
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      - name: my-header
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        value: some-value
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        type: Exact
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      queryParams:
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      - name: my-param
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        value: some-value
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        type: RegularExpression
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    backendRefs:
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    - name: svc2
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      port: 80
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  - matches:
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    - path:
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        type: PathPrefix
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        value: /
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    backendRefs:
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    - name: svc3
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      port: 80
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  - matches:
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    - method: PATCH
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      path:
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        type: PathPrefix
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        value: /
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    backendRefs:
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    - name: svc2
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      port: 80
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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: ["a.domain.example", "b.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: /abc
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      headers:
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      - name: my-header
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        value: some-value
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        type: Exact
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    backendRefs:
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    - name: svc4
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      port: 80
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---
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