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Helm chart for spring cloud gateway with a simple service

功能介绍

通过spring-cloud-gw-with-svc可以快速创建spring cloud oss套件里的网关服务，并部署了一个示例应用user-service，验证网关服务的作用，效果如下图所示：

gw-demo

使用helm v3 dependency 和 Apphub 管理依赖

  • 添加apphub到本地helm repo
helm repo add apphub https://apphub.aliyuncs.com/
  • 由于spring cloud微服务架构依赖注册中心，因此本chart依赖spring-cloud-eureka 源，已在Chart.yaml文件中声明：
dependencies:
  - name: spring-cloud-eureka
    version: 0.1.0
    repository: https://apphub.aliyuncs.com/

安装使用

本地安装

> helm repo add apphub https://apphub.aliyuncs.com/
> helm dependency list
NAME                    VERSION REPOSITORY                      STATUS
spring-cloud-eureka     0.1.0   https://apphub.aliyuncs.com/    missing

> helm dependency build
Hang tight while we grab the latest from your chart repositories...
...Successfully got an update from the "apphub" chart repository
Update Complete. ⎈Happy Helming!⎈
Saving 1 charts
Downloading spring-cloud-eureka from repo https://apphub.aliyuncs.com/
Deleting outdated charts

> helm install gw-svc spring-cloud-gw-with-svc/

# 成功安装后可以看到如下输出：
NAME: gw-svc
LAST DEPLOYED: 2019-08-26 17:11:31.5412552 +0800 CST
NAMESPACE: default
STATUS: deployed

查看部署好的workload

# 查看所有pod
> kubectl get pod
NAME                           READY   STATUS    RESTARTS   AGE
eureka-0                       1/1     Running   0          43m
eureka-1                       1/1     Running   0          43m
eureka-2                       1/1     Running   0          43m
gateway-75c587d7dc-z6jw2       1/1     Running   0          43m
user-service-67567fd8b-bfcgg   1/1     Running   0          43m
# 查看eureka集群
> kubectl get sts
NAME     READY   AGE
eureka   3/3     20s
# 查看所有service
> kubectl get svc
NAME         TYPE        CLUSTER-IP      EXTERNAL-IP   PORT(S)           AGE
eureka       ClusterIP   None            <none>        28888/TCP         44m
gateway      NodePort    10.106.21.126   <none>        28899:31000/TCP   44m

访问网关测试页面

# 获取minikube的IP：
vmip=$(minikube ip)

# 获取网关服务的端口
gwport=$(kubectl get svc -l app=gateway-default -o yaml |grep nodePort | awk '{print $2}' )

浏览器访问 http://$(vmip):$(gwport)/user/{your-test-data}