Envoyer filter for fault injection

envoyfilter.yaml

apiVersion: networking.istio.io/v1alpha3
kind: EnvoyFilter
metadata:
  name: failure-simulation
  namespace: mynamespace
spec:
  configPatches:
    - applyTo: HTTP_FILTER
      match:
        context: SIDECAR_INBOUND
        listener:
          filterChain:
            filter:
              name: 'envoy.filters.network.http_connection_manager'
      patch:
        operation: INSERT_BEFORE
        value:
          name: envoy.fault
          typed_config:
            '@type': 'type.googleapis.com/envoy.extensions.filters.http.fault.v3.HTTPFault'
            abort:
              http_status: 500
              percentage:
                numerator: 0
                denominator: HUNDRED