GCP setup istio

https://istio.io/docs/setup/kubernetes/install/kubernetes/

https://istio.io/docs/tasks/traffic-management/ingress/ingress-control/#determining-the-ingress-ip-and-ports

安装
    for i in install/kubernetes/helm/istio-init/files/crd*yaml; do kubectl apply -f $i; done
    kubectl apply -f install/kubernetes/istio-demo.yaml
    校验
     kubectl get svc -n istio-system
     kubectl get pods -n istio-system
     安装demo bookinfo
     kubectl label namespace default istio-injection=enabled
     kubectl apply -f samples/bookinfo/platform/kube/bookinfo.yaml
     
     kubectl get services
     
     kubectl exec -it $(kubectl get pod -l app=ratings -o jsonpath='{.items[0].metadata.name}') -c ratings -- curl productpage:9080/productpage | grep -o "<title>.*</title>"
<title>Simple Bookstore App</title>

kubectl apply -f samples/bookinfo/networking/bookinfo-gateway.yaml
kubectl get gateway

kubectl get svc istio-ingressgateway -n istio-system

kubectl get svc istio-ingressgateway -n istio-system
NAME                   TYPE           CLUSTER-IP    EXTERNAL-IP     PORT(S)                                                                                                                       
istio-ingressgateway   LoadBalancer   10.12.15.79   34.67.194.124   15020:31050/TCP,80:31380/TCP,443:31390/TCP,31400:31400/TCP,15029:31314/TCP,15030:32608/TCP,15031:30894/TCP,15032:31485/TCP,154
43:31339/TCP   

export INGRESS_HOST=$(kubectl -n istio-system get service istio-ingressgateway -o jsonpath='{.status.loadBalancer.ingress[0].ip}')
export INGRESS_PORT=$(kubectl -n istio-system get service istio-ingressgateway -o jsonpath='{.spec.ports[?(@.name=="http2")].port}')
export SECURE_INGRESS_PORT=$(kubectl -n istio-system get service istio-ingressgateway -o jsonpath='{.spec.ports[?(@.name=="https")].port}')