Kubernetes 实际案例
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1、创建版本为v1.10 副本集为3的nginx
kubectl run nginx --replicas=3 --labels="app=nginx-example" --image=nginx:1.10 --port=80
2、查看
kubectl get deploy kubectl get pods --show-labels kubectl get pods -l app=nginx-example kubectl get pods -o wide
3、发布
[root@linux-node1 ~]# kubectl expose deployment nginx --port=88 --type=NodePort --target-port=80 --name=nginx-service kubectl describe service nginx-serviceservice "nginx-service" exposed [root@linux-node1 ~]# kubectl describe service nginx-service Name: nginx-service Namespace: default Labels: app=nginx-example Annotations: <none> Selector: app=nginx-example Type: NodePort IP: 10.1.216.70 Port: <unset> 88/TCP TargetPort: 80/TCP NodePort: <unset> 35769/TCP Endpoints: 10.2.41.10:80,10.2.41.9:80,10.2.99.7:80 Session Affinity: None External Traffic Policy: Cluster Events: <none>
4、更新
kubectl set image deployment/nginx nginx=nginx:1.11 or kubectl edit deployment/nginx
5、资源发布管理
kubectl rollout status deployment/nginx kubectl rollout history deployment/nginx kubectl rollout history deployment/nginx --revision=3
6、扩容
kubectl scale deployment nginx --replicas=5
7、回滚
kubectl rollout undo deployment.apps/nginx kubectl rollout undo deployment/nginx-deployment --to-revision=3
8、删除
kubectl delete deploy/nginx kubectl delete svc/nginx-service
神回复
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