istio-config.yaml

apiVersion: install.istio.io/v1alpha1
kind: IstioOperator
spec:
  components:
    egressGateways:
    - enabled: true
      name: istio-egressgateway
  values:
    telemetry:
      v2:
        prometheus:
          configOverride:
            inboundSidecar:
              metrics:
                - name: requests_total
                  dimensions:
                    destination_port: string(destination.port)
                    request_host: request.host
            outboundSidecar:
              metrics:
                - name: requests_total
                  dimensions:
                    destination_port: string(destination.port)
                    request_host: request.host
            gateway:
              metrics:
                - name: requests_total
                  dimensions:
                    destination_port: string(destination.port)
                    request_host: request.host
  meshConfig:
    defaultConfig:
      extraStatTags:
       - destination_port
       - request_host
      tracing:
        sampling: 100
        custom_tags:
          platform_poc:
            header:
              name: host