Dapr+Net6+K8S最小原型项目架构和实现-12-将Dapr项目部署到K8S集群
Dapr+Net6+K8S最小原型项目架构和实现-12-将Dapr项目部署到K8S集群
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1. 回顾
上一章,我们使用AspNetCore6.0编写了Dapr项目:
这一章,我们将Dapr项目部署到K8S集群。
2. 编写Dapr项目yaml部署文件
apiVersion: v1
kind: Namespace
metadata:
name: dapr-demo
---
apiVersion: apps/v1
kind: Deployment
metadata:
name: service01
namespace: dapr-demo
labels:
app: service01
spec:
replicas: 2
selector:
matchLabels:
app: service01
template:
metadata:
labels:
app: service01
annotations:
dapr.io/enabled: "true"
dapr.io/app-id: "service01"
dapr.io/app-port: "80"
dapr.io/sidecar-liveness-probe-delay-seconds: "10"
dapr.io/sidecar-readiness-probe-delay-seconds: "10"
dapr.io/log-as-json: "true"
spec:
containers:
- name: service01
image: docker.io/k8schina/service01:v1
ports:
- containerPort: 80
imagePullPolicy: Always
---
apiVersion: apps/v1
kind: Deployment
metadata:
name: service02
namespace: dapr-demo
labels:
app: service02
spec:
replicas: 1
selector:
matchLabels:
app: service02
template:
metadata:
labels:
app: service02
annotations:
dapr.io/enabled: "true"
dapr.io/app-id: "service02"
dapr.io/app-port: "80"
dapr.io/sidecar-liveness-probe-delay-seconds: "10"
dapr.io/sidecar-readiness-probe-delay-seconds: "10"
spec:
containers:
- name: service02
image: docker.io/k8schina/service02:v1
ports:
- containerPort: 80
imagePullPolicy: Always
---
apiVersion: v1
kind: Service
metadata:
name: service02
namespace: dapr-demo
spec:
type: NodePort
selector:
app: service02
ports:
- port: 80
targetPort: 80
nodePort: 30006
3. 将DarpDemo项目部署到K8S集群
3.1. 部署
kubectl apply -f http://k8schina.corecore.cn/DaprDemo.yaml
3.2. 验证docker镜像
docker images | grep service
- 可能被调度到slave节点下载
3.3. 验证pod
kubectl get pods -n dapr-demo
- 每个pod有两个container,一个是service,一个是dapr sidecar
3.4. 验证 service
kubectl get svc -n dapr-demo
4. 配置反向代理
- 反向代理到DaprDemo的K8S服务
vi /usr/local/nginx/conf/nginx.conf
server {
listen 80;
server_name app.corecore.cn;
location / {
proxy_pass http://localhost:30006;
}
}
server {
listen 80;
server_name www.corecore.cn;
location / {
root html;
index index.html index.htm;
}
}
-
重启nginx
/usr/local/nginx/sbin/nginx -s reload
5. 公网访问我们的微服务
- 可以看到负载均衡效果,两次访问,被路由到了不同的pod
6. 下一章
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