Deployments/Kubernates/Istio.md

+# Installation
+
+- [istio](https://istio.io/docs/setup/kubernetes/install/kubernetes/)
+- helm (Optional)
+
+Pertama download dulu, [istio.io lastest version](https://istio.io/docs/setup/kubernetes/download/), kemudian gunakan script berikut:
+
+```bash
+for i in install/kubernetes/helm/istio-init/files/crd*yaml; do kubectl apply -f $i; done
+```
+
+Setelah itu, kita active-kan istionya dengan menggunakan perintah berikut:
+
+```bash
+kubectl apply -f path-to-istio/install/kubernetes/istio-demo-auth.yaml
+```
+
+## Springboot running into pods
+
+```bash
+kubectl label namespace default istio-injection=enabled
+
+## apply proxy
+kubectl apply -f kubernetes/istio.gateway.yaml
+kubectl apply -f kubernetes/istio.virtualservice.yaml
+```
+
+check status is running:
+
+```bash
+watch kubectl get pods -A
+```
+
+![watch pods creating](../imgs/watch-pods-creating.png)
+
+## Testing
+
+Setelah run, kita bisa testing dengan perintah berikut:
+
+Untuk request token
+
+```bash
+curl -X POST \
+  'http://<minikube ip>:31380/oauth/token?username=user&password=password&grant_type=password' \
+  -H 'Authorization: Basic Y2xpZW50LXdlYjoxMjM0NTY=' \
+  -H 'cache-control: no-cache'
+```
+
+Untuk request api:
+
+```bash
+curl -X GET \
+  http://<minikube ip>:31380/api/example \
+  -H 'Authorization: Bearer [access-token]' \
+  -H 'cache-control: no-cache'
+```
+
+## Visualization mesh service
+
+```bash
+kubectl -n istio-system port-forward $(kubectl -n istio-system get pod -l app=kiali -o jsonpath='{.items[0].metadata.name}') 20001:20001
+```
+
+visit [http://localhost:20001/kiali/console](http://localhost:20001/kiali/console)
+
+Berikut adalah graph flow service mesh:
+
+![graph](../imgs/graph-service-mesh.png)
+
+## Istio Dashboard 
+
+```bash
+kubectl -n istio-system port-forward $(kubectl -n istio-system get pod -l app=grafana -o jsonpath='{.items[0].metadata.name}') 3000:3000 &
+```
+
+visit [http://localhost:3000/dashboard/db/istio-mesh-dashboard](http://localhost:3000/dashboard/db/istio-mesh-dashboard)
+
+![graph](../imgs/istio-dashboard.png)