问配置Istio Sidecar以允许传输到外部主机

EN

          apiVersion: "networking.istio.io/v1beta1",
          kind: "Sidecar",
          metadata:{
            name: "egress-sidecar",
            namespace: "namespace",
          },
          spec:{
                workloadSelector:{
                    labels:{
                        app: 'target_app'
                    }
               },
               egress:[
                {
                    hosts:[
                             "namespace/*",
                             "google.com/*" # <--- something like this, this does not work
                          ]
                }
              ],
              outboundTrafficPolicy:{
                    mode: "REGISTRY_ONLY"
              }
          }