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