You can enable tracing to determine the flow of a request in Istio.

Additionally, you can use the following commands to know more about the state of the mesh:

• istioctl proxy-config: Retrieve information about proxy configuration when running in Kubernetes:

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  Retrieve information about bootstrap configuration for the Envoy instance in the specified pod.

  $ istioctl proxy-config bootstrap productpage-v1-bb8d5cbc7-k7qbm

  Retrieve information about cluster configuration for the Envoy instance in the specified pod.

  $ istioctl proxy-config cluster productpage-v1-bb8d5cbc7-k7qbm

  Retrieve information about listener configuration for the Envoy instance in the specified pod.

  $ istioctl proxy-config listener productpage-v1-bb8d5cbc7-k7qbm

  Retrieve information about route configuration for the Envoy instance in the specified pod.

  $ istioctl proxy-config route productpage-v1-bb8d5cbc7-k7qbm

  Retrieve information about endpoint configuration for the Envoy instance in the specified pod.

  $ istioctl proxy-config endpoints productpage-v1-bb8d5cbc7-k7qbm

  Try the following to discover more proxy-config commands

  $ istioctl proxy-config --help {{< /text >}}

• kubectl get: Gets information about different resources in the mesh along with routing configuration:

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  List all virtual services

  $ kubectl get virtualservices {{< /text >}}