kubectl常用命令

1. 创建namespace

kubectl create namespace my-namespace

2. 查询pod、deployment、statefulset信息

kubectl get pod -n mydlqcloud
kubectl get deploy -n mydlqcloud
kubectl get sts -n mydlqcloud
#查询多个资源
kubectl get svc,po | grep -E "apple|banana"

3. 删除

kubectl delete pod podName  -n release
kubectl delete service serviceName -n release
kubectl delete deployment deploymentName -n release
#强制删除
kubectl -n dataex delete po <pod-name> --force --grace-period=0

4. 进入容器

kubectl exec -it  podName -n release -- /bin/bash

5. 转发本地端口到Pod的端口

kubectl port-forward redis-master-765d459796-258hz 7000:6379

6. 指定默认命名空间

kubectl config set-context "nmyanfa"  --namespace=dataex

7. 查询ingress

kubectl get ing -n dataex

8. 导出yaml文件

kubectl get deploy nginx -o yaml  > nginx.yaml 
kubectl get sts mysql -o yaml  > mysql.yaml 

9. 查看日志

kubectl logs -f --tail=100 -n dataex