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k8s-for-docker-desktop/README_en.md

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# Enable Kubernetes on Docker Desktop for Mac/Windows in China
[中文](README.md) | English
NOTE:
* The master branch is tested with Docker Desktop for Mac/Windows version 2.1.2.x (with Docker CE 19.03.2 and Kubernetes 1.14.6).
* If you want to use 2.1.1.x (with Docker CE 19.03.0 and Kubernetes 1.14.6), please use the v1.14.3 ```git checkout v1.14.6```
* If you want to use 2.1.1.x (with Docker CE 19.03.0 and Kubernetes 1.14.3), please use the v1.14.3 ```git checkout v1.14.3```
* If you want to use 2.0.4.x (with Docker CE 19.03.0 and Kubernetes 1.14.1), please use the v1.14.1 ```git checkout v1.14.1```
* If you want to use v2.0.1.0/v2.0.2.0/v2.0.3.0 (with Docker CE 18.09.1 and Kubernetes 1.13.0), please use the v2.0.1.0 branch ```git checkout v2.0.0.2```
* If you want to use v2.0.0.2/v2.0.0.3 (with Docker CE 18.09.1 and Kubernetes 1.10.11), please use the v2.0.0.2 branch ```git checkout v2.0.0.2```
* If you want to use Docker CE 18.09/18.06 (with Kubernetes 1.10.3), please use the 18.09 branch ```git checkout 18.09```
* If you want to use Docker CE 18.03, please use the 18.03 branch ```git checkout 18.03```
Check version of Docker DesktopDocker -> About Docker Desktop
![about](images/about.png)
### Enable Kubernetes on Docker Desktop for Mac
Config registry mirror for Docker daemon with ```https://docker.mirrors.ustc.edu.cn``` only if in China
![mirror](images/mirror.png)
Optional: config the CPU and memory for Kubernetes, 4GB RAM or more is suggested.
![resource](images/resource.png)
Preload Kubernetes images form Alibaba Cloud Registry Service, NOTE: you can modify the ```images.properties``` for your own images
```bash
./load_images.sh
```
Enable Kubernetes in Docker for Mac, and wait a while for Kubernetes is running
![k8s](images/k8s.png)
### Enable Kubernetes on Docker Desktop for Windows
Config registry mirror for Docker daemon with ```https://docker.mirrors.ustc.edu.cn``` only if in China
![mirror](images/mirror_win.png)
Optional: config the CPU and memory for Kubernetes, 4GB RAM or more is suggested.
![resource](images/resource_win.png)
Preload Kubernetes images form Alibaba Cloud Registry Service, NOTE: you can modify the ```images.properties``` for your own images
In Bash shell
```bash
./load_images.sh
```
or in PowerShell of Windows
```powershell
.\load_images.ps1
```
NOTE: if you failed to start PowerShell scripts for security policy, please execute ```Set-ExecutionPolicy RemoteSigned``` command in PowerShell with "Run as administrator" option.
Enable Kubernetes in Docker for Windows, and wait a while for Kubernetes is running
![k8s](images/k8s_win.png)
### Config Kubernetes
Optional: switch the context to `docker-for-desktop` (under docker ce 18.09, the conext is `docker-desktop`)
```shell
kubectl config use-context docker-for-desktop
```
Verify Kubernetes installation
```shell
kubectl cluster-info
kubectl get nodes
```
Deploy Kubernetes dashboard
```shell
kubectl apply -f https://raw.githubusercontent.com/kubernetes/dashboard/v1.10.1/src/deploy/recommended/kubernetes-dashboard.yaml
```
or
```shell
kubectl create -f kubernetes-dashboard.yaml
```
Start proxy for API server
```shell
kubectl proxy
```
Access Kubernetes dashboard
http://localhost:8001/api/v1/namespaces/kube-system/services/https:kubernetes-dashboard:/proxy/#!/overview?namespace=default
#### Config kubeconfig (Or skip)
For Mac
```bash
TOKEN=$(kubectl -n kube-system describe secret default| awk '$1=="token:"{print $2}')
kubectl config set-credentials docker-for-desktop --token="${TOKEN}"
```
For Windows
```cmd
$TOKEN=((kubectl -n kube-system describe secret default | Select-String "token:") -split " +")[1]
kubectl config set-credentials docker-for-desktop --token="${TOKEN}"
```
#### Choose kubeconfig file (Optional)
![resource](images/k8s_credentials.png)
Choose kubeconfig file, Path
```
Win: %UserProfile%\.kube\config
Mac: $HOME/.kube/config
```
Click login, go to Kubernetes Dashboard
### Install Helm
Install helm following the instruction on https://github.com/helm/helm/blob/master/docs/install.md
#### For Mac OS
```shell
# Use homebrew on Mac
brew install kubernetes-helm
# Install Tiller into your Kubernetes cluster
helm init --upgrade -i registry.cn-hangzhou.aliyuncs.com/google_containers/tiller:v2.15.1 --skip-refresh
# update charts repo (Optional)
helm repo update
```
#### For Windows
```shell
# Use Chocolatey on Windows
# NOTE: please ensure you can access googleapis
choco install kubernetes-helm
# Install Tiller into your Kubernetes cluster
helm init --upgrade -i registry.cn-hangzhou.aliyuncs.com/google_containers/tiller:v2.15.1 --skip-refresh
# update charts repo (Optional)
helm repo update
```
### Install Istio
More details can be found in https://istio.io/docs/setup/kubernetes/
Download Istio 1.2.4 and install CLI
```bash
curl -L https://git.io/getLatestIstio | ISTIO_VERSION=1.2.4 sh -
cd istio-1.2.4/
export PATH=$PWD/bin:$PATH
```
Install Istio with Helm chart
```shell
# Install the istio-init chart to bootstrap all the Istios CRDs
helm install install/kubernetes/helm/istio-init --name istio-init --namespace istio-system
# Verify that all Istio CRDs were committed to the Kubernetes api-server
kubectl get crds | grep 'istio.io\|certmanager.k8s.io' | wc -l
# Install the istio chart
helm install install/kubernetes/helm/istio --name istio --namespace istio-system
```
Check status of istio release
```shell
helm status istio
```
Enable automatic sidecar injection for ```default``` namespace
```shell
kubectl label namespace default istio-injection=enabled
kubectl get namespace -L istio-injection
```
Install Book Info sample
```shell
kubectl apply -f samples/bookinfo/platform/kube/bookinfo.yaml
kubectl apply -f samples/bookinfo/networking/bookinfo-gateway.yaml
Confirm application is running
```bash
export GATEWAY_URL=localhost:80
curl -o /dev/null -s -w "%{http_code}\n" http://${GATEWAY_URL}/productpage
```
Delete Istio
```shell
helm del --purge istio
kubectl delete -f install/kubernetes/helm/istio/templates/crds.yaml -n istio-system
```