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VirtualServiceHostNotFoundInGateway

content/en/docs/reference/config/analysis/ist0132/index.md

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This message occurs when a host defined in a virtual service is not found in the corresponding gateway.

Example

You will receive this message:

{{< text plain >}} Warning [IST0132] (VirtualService testing-service.default testing.yaml:8) one or more host [wrong.com] defined in VirtualService default/testing-service not found in Gateway istio-system/testing-gateway. {{< /text >}}

when your cluster has the following virtual service:

{{< text yaml >}} apiVersion: networking.istio.io/v1 kind: VirtualService metadata: name: testing-service namespace: default spec: gateways:

  • istio-system/testing-gateway hosts:
  • wrong.com http:
  • match:
    • uri: prefix: / route:
    • destination: host: ratings {{< /text >}}

and the following Gateway:

{{< text yaml >}} apiVersion: networking.istio.io/v1 kind: Gateway metadata: name: testing-gateway namespace: istio-system spec: selector: istio: ingressgateway servers:

  • hosts:
    • testing.com port: name: http number: 80 protocol: HTTP {{< /text >}}

In this example, virtual service testing-service has host wrong.com which is not included in the gateway testing-gateway.

How to resolve

Make sure all hosts in a virtual service are included in the hosts of gateways that are bound to the virtual service.