Istio1.12：安装和快速入门

$ curl -L https://istio.io/downloadIstio | sh -

curl -L https://istio.io/downloadIstio | ISTIO_VERSION=1.12.0 TARGET_ARCH=x86_64 sh -
# 或者
wget https://github.com/istio/istio/releases/download/1.12.0/istio-1.12.0-linux-amd64.tar.gz
tar zxvf istio-1.12.0-linux-amd64.tar.gz -C /usr/local/

$ cd /usr/local/istio-1.12.0/

$ export PATH=$PWD/bin:$PATH
#或者设置环境变量
echo 'export ISTIO_HOME=/usr/local/istio-1.14.1' >> /etc/profile
echo 'export PATH=$PATH:$ISTIO_HOME/bin' >> /etc/profile
#加载变量
source /etc/profile

istioctl version
➜  istio-1.12.0 istioctl version
no running Istio pods in "istio-system"
1.12.0
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istioctl install --set profile=demo -y
✔ Istio core installed                                                                                                 
✔ Istiod installed                                                                                                     
✔ Egress gateways installed                                                                                            
✔ Ingress gateways installed                                                                                           
✔ Installation complete                                                                                                
Making this installation the default for injection and validation.
Thank you for installing Istio 1.12.  Please take a few minutes to tell us about your install/upgrade experience!  https://forms.gle/FegQbc9UvePd4Z9z7
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$ kubectl label namespace default istio-injection=enabled
namespace/default labeled

$ kubectl apply -f samples/bookinfo/platform/kube/bookinfo.yaml
service/details created
serviceaccount/bookinfo-details created
deployment.apps/details-v1 created
service/ratings created
serviceaccount/bookinfo-ratings created
deployment.apps/ratings-v1 created
service/reviews created
serviceaccount/bookinfo-reviews created
deployment.apps/reviews-v1 created
deployment.apps/reviews-v2 created
deployment.apps/reviews-v3 created
service/productpage created
serviceaccount/bookinfo-productpage created
deployment.apps/productpage-v1 created

$ kubectl get services
NAME          TYPE        CLUSTER-IP      EXTERNAL-IP   PORT(S)    AGE
details       ClusterIP   10.0.0.212      <none>        9080/TCP   29s
kubernetes    ClusterIP   10.0.0.1        <none>        443/TCP    25m
productpage   ClusterIP   10.0.0.57       <none>        9080/TCP   28s
ratings       ClusterIP   10.0.0.33       <none>        9080/TCP   29s
reviews       ClusterIP   10.0.0.28       <none>        9080/TCP   29s

重新运行前面的命令，在执行下面步骤之前，要等待并确保所有的 Pod 达到此状态： 就绪状态（READY）的值为 `2/2` 、状态（STATUS）的值为 `Running` 。 基于你平台的不同，这个操作过程可能会花费几分钟的时间。
3. 验证方方面面均工作无误。运行下面命令，通过检查返回的页面标题，来验证应用是否已在集群中运行，并已提供网页服务：

$ kubectl apply -f samples/bookinfo/networking/bookinfo-gateway.yaml
gateway.networking.istio.io/bookinfo-gateway created
virtualservice.networking.istio.io/bookinfo created

$ istioctl analyze
✔ No validation issues found when analyzing namespace: default.

$ export INGRESS_PORT=$(kubectl -n istio-system get service istio-ingressgateway -o jsonpath='{.spec.ports[?(@.name=="http2")].nodePort}')
$ export SECURE_INGRESS_PORT=$(kubectl -n istio-system get service istio-ingressgateway -o jsonpath='{.spec.ports[?(@.name=="https")].nodePort}')

$ echo "$INGRESS_PORT"
32194

$ echo "$SECURE_INGRESS_PORT"
31632

$ export INGRESS_HOST=$(minikube ip)

$ echo "$INGRESS_HOST"
192.168.4.102

$ minikube tunnel

$ export GATEWAY_URL=$INGRESS_HOST:$INGRESS_PORT

$ echo "$GATEWAY_URL"
192.168.99.100:32194

$ echo "http://$GATEWAY_URL/productpage"

$ kubectl apply -f samples/addons
$ kubectl rollout status deployment/kiali -n istio-system
Waiting for deployment "kiali" rollout to finish: 0 of 1 updated replicas are available...
deployment "kiali" successfully rolled out

$ istioctl dashboard kiali

$ istioctl x uninstall --purge

$ istioctl x uninstall <your original installation options>

$ istioctl manifest generate <your original installation options> | kubectl delete -f -

$ kubectl delete namespace istio-system