ASK集群无需管理节点,无需进行节点的安全维护等运维操作,满足您对应用托管的免运维诉求,让您关注在应用而非底层基础设施管理。本文介绍如何通过ASK部署在线web应用,实现应用免运维托管。
背景信息
ASK支持标准Kubernetes的语义和API,您可以一键创建Deployment/StatefulSet/Jobs/Service/Ingress/CRD等资源,也可以使用Helm部署各种Kubernetes生态应用。
更新时间:2020-08-21 17:24
ASK集群无需管理节点,无需进行节点的安全维护等运维操作,满足您对应用托管的免运维诉求,让您关注在应用而非底层基础设施管理。本文介绍如何通过ASK部署在线web应用,实现应用免运维托管。
ASK支持标准Kubernetes的语义和API,您可以一键创建Deployment/StatefulSet/Jobs/Service/Ingress/CRD等资源,也可以使用Helm部署各种Kubernetes生态应用。
apiVersion: v1
kind: Service
metadata:
name: nginx-service
spec:
ports:
- port: 80
protocol: TCP
selector:
app: nginx
type: LoadBalancer
---
apiVersion: apps/v1beta2
kind: Deployment
metadata:
name: nginx-deploy
labels:
app: nginx
spec:
replicas: 2
selector:
matchLabels:
app: nginx
template:
metadata:
labels:
app: nginx
spec:
containers:
- name: nginx
image: nginx:alpine
ports:
- containerPort: 80
resources:
requests:
cpu: "2"
memory: "4Gi"
kubectl apply -f nginx.yaml
service/nginx-service created
deployment.apps/nginx-deploy created
kubectl get pod
nginx-deploy-55d8dcf755-bxk8n 1/1 Running 0 36s
nginx-deploy-55d8dcf755-rchhq 1/1 Running 0 36s
kubectl get svc
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
kubernetes ClusterIP 172.**.*.* <none> 443/TCP 10d
nginx-service LoadBalancer 172.19.*.*** 47.57.**.** 80:32278/TCP 39s
curl 47.57.**.**
<!DOCTYPE html>
<html>
<head>
<title>Welcome to nginx!</title>
...
</html>
kubectl get deploy
NAME READY UP-TO-DATE AVAILABLE AGE
nginx-deploy 2/2 2 2 9m32s
kubectl scale deploy nginx-deploy --replicas=10
deployment.extensions/nginx-deploy scaled
kubectl get pod
NAME READY STATUS RESTARTS AGE
nginx-deploy-55d8dcf755-8jlz2 1/1 Running 0 39s
nginx-deploy-55d8dcf755-9jbzk 1/1 Running 0 39s
nginx-deploy-55d8dcf755-bqhcz 1/1 Running 0 38s
nginx-deploy-55d8dcf755-bxk8n 1/1 Running 0 10m
nginx-deploy-55d8dcf755-cn6x9 1/1 Running 0 38s
nginx-deploy-55d8dcf755-jsqjn 1/1 Running 0 38s
nginx-deploy-55d8dcf755-lhp8l 1/1 Running 0 38s
nginx-deploy-55d8dcf755-r2clb 1/1 Running 0 38s
nginx-deploy-55d8dcf755-rchhq 1/1 Running 0 10m
nginx-deploy-55d8dcf755-xspnt 1/1 Running 0 38s
kubectl scale deploy nginx-deploy --replicas=1
deployment.extensions/nginx-deploy scaled
kubectl get pod
NAME READY STATUS RESTARTS AGE
nginx-deploy-55d8dcf755-rchhq 1/1 Running 0 16m
kubectl autoscale deployment nginx-deploy --cpu-percent=50 --min=1 --max=10
horizontalpodautoscaler.autoscaling/nginx-deploy autoscaled
kubectl get hpa
NAME REFERENCE TARGETS MINPODS MAXPODS REPLICAS AGE
nginx-deploy Deployment/nginx-deploy 0%/30% 1 10 1 35s
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