docs/vertx-zero-tutorial/d10080-reference-istio.md
# Reference, Istio
[Quick Start](https://istio.io/docs/setup/kubernetes/quick-start.html)
Demo example will be install istio to `~/Tool/Zero/`
## 1. Environment Preparing
1 - Install and download istio
```shell
curl -L https://git.io/getLatestIstio | sh -
...... # Wait for ISO up.god.file downloading finished.
```
2 - Set Up environment.
```shell
Add /Users/lang/Tool/Zero/istio-0.2.12/bin to your path; \
e.g copy paste in your shell and/or ~/.profile:
export PATH="$PATH:/Users/lang/Tool/Zero/istio-0.2.12/bin"
# Then be sure the command "istioctl" could be used. ( Latest 0.2.12 )
istioctl version
Version: 0.2.12
GitRevision: 998e0e00d375688bcb2af042fc81a60ce5264009
GitBranch: release-0.2
User: releng@0d29a2c0d15f
GolangVersion: go1.8
```
3 - Install "istio" on local k8s
```shell
>> cd istio-0.2.12
>> pwd
/Users/lang/Tool/Zero/istio-0.2.12
>> kubectl get svc -n istio-system
No resources found.
>> kubectl apply -f install/kubernetes/istio.yaml ( None TLS mode )
namespace "istio-system" created
...... ( All the progress logs will be output )
deployment "istio-ca" created
```
4 - Ensure the four services: `istio-pilot, istio-mixer, istio-ingress, istio-egress`
```shell
>> kubectl get svc -n istio-system
NAME TYPE CLUSTER-IP ......
istio-egress ClusterIP 10.97.67.39 ......
istio-ingress LoadBalancer 10.111.235.49 ......
istio-mixer ClusterIP 10.106.88.96 ......
istio-pilot ClusterIP 10.106.188.200 ......
>> kubectl get pods -n istio-system
istio-ca-5cd46b967c-kmx58 1/1 Running 0 4m
istio-egress-56c4d999bc-dv8md 1/1 Running 0 4m
istio-ingress-5747bb855f-n74sz 1/1 Running 0 4m
istio-mixer-77487797f6-d5ns9 2/2 Running 0 4m
istio-pilot-86ddcb7ff5-cmcr5 1/1 Running 0 4m
```
## 2. Summary
Then when you see above output, you can select `isito-system` namespace in the dashboard to check the result:
When you see above screen shot it means that the istio has been run in mini k8s
environment.