K8S之istio

一、安装istio

1、下载镜像并且安装

1、wget https://github.com/istio/istio/releases/download/1.4.2/istio-1.4.2-linux.tar.gz
2、tar zxvf istio-1.4.2-linux.tar.gz
3、mv bin/istioctl usr/bin
4、istioctl manifest apply --set profile=demo

2、查看pods

[root@k8s-master bin]# kubectl get pods -n istio-system 
NAME                                      READY   STATUS    RESTARTS   AGE
grafana-5595d6fd96-w9r7k                  1/1     Running   0          8m49s
istio-citadel-556f6b94d7-m6lgw            1/1     Running   0          8m50s
istio-egressgateway-78b856f55f-5hnxw      1/1     Running   0          8m50s
istio-galley-d88fbb9bc-brjh4              1/1     Running   0          8m51s
istio-ingressgateway-7b594c9ddf-tt69q     1/1     Running   0          8m50s
istio-pilot-5485645b54-4bb9n              1/1     Running   0          8m50s
istio-policy-b58b84cd4-564s7              1/1     Running   5          8m50s
istio-sidecar-injector-7d796b95d7-qqsds   1/1     Running   0          8m50s
istio-telemetry-6ff4d9cf48-qjh57          1/1     Running   4          8m50s
istio-tracing-756d99ccd-r84sw             1/1     Running   0          8m51s
kiali-95488cf85-2bhxf                     1/1     Running   0          8m50s
prometheus-85b8877c9c-j4x2p               1/1     Running   0          8m50s

 3、部署istio界面

cd /root/istio/istio-1.4.2/samples/httpbin
kubectl apply -f httpbin-nodeport.yaml

 4、手动注入sidecar

 kubectl apply -f  <(istioctl kube-inject -f httpbin-nodeport.yaml)

5、自动注入

kubectl label namespace default istio-injection=enabled
kubectl apply -f httpbin-gateway.yaml