Kubernetes Common Commands

Kubectl

SOURCE < (KUBECTL completion bash) #命令补全

Start-State

2. master
4. systemctl daemon-reload
6. systemctl start kube-apiserver
8. systemctl start kube-controller-manager
10. systemctl start kube-scheduler
14. etcd
16. systemctl start etcd.service
20. client
22. systemctl start kube-proxy -l
24. systemctl start docker -l
26. systemctl start kubelet -l
30. status
32. systemctl status etcd.service
34. systemctl status kube-apiserver -l
36. systemctl status kube-controller-manager -l
38. systemctl status kube-scheduler
42. systemctl status kube-proxy -l
44. systemctl status docker -l
46. systemctl status kubelet -l

Common commands

2. kubectl get pods
4. kubectl get rc
6. kubectl get service
8. kubectl get componentstatuses
10. kubectl get endpoints
12. kubectl cluster-info
14. kubectl create -f redis-master-controller.yaml
16. kubectl delete -f redis-master-controller.yaml
18. kubectl delete pod nginx-772ai
20. kubectl logs -f pods/heapster-xxxxx -n kube-system #查看日志
22. kubectl scale rc redis-slave --replicas=3 #修改RC的副本数量，来实现Pod的动态缩放
28. etcdctl cluster-health #检查网络集群健康状态
30. etcdctl --endpoints=https://192.168.71.221:2379 cluster-health #带有安全认证检查网络集群健康状态
32. etcdctl member list
34. etcdctl set /k8s/network/config ‘{ "Network": "10.1.0.0/16" }‘
36. etcdctl get /k8s/network/config

Base Advanced

2. kubectl get services kubernetes-dashboard -n kube-system #查看所有service
4. kubectl get deployment kubernetes-dashboard -n kube-system #查看所有发布
6. kubectl get pods --all-namespaces #查看所有pod
8. kubectl get pods -o wide --all-namespaces #查看所有pod的IP及节点
10. kubectl get pods -n kube-system | grep dashboard
12. kubectl describe service/kubernetes-dashboard --namespace="kube-system"
14. kubectl describe pods/kubernetes-dashboard-349859023-g6q8c --namespace="kube-system" #指定类型查看
16. kubectl describe pod nginx-772ai #查看pod详细信息
18. kubectl scale rc nginx --replicas=5 # 动态伸缩
20. kubectl scale deployment redis-slave --replicas=5 #动态伸缩
22. kubectl scale --replicas=2 -f Redis -slave-deployment.< Span class= "PLN" >yaml  #动态伸缩
24. kubectl exec -it redis-master-1033017107-q47hh /bin/bash #进入容器
26. kubectl label nodes node1 zone=north #增加节点lable值 spec.nodeSelector: zone: north #指定pod在哪个节点
28. kubectl get nodes -lzone #获取zone的节点
30. kubectl label pod redis-master-1033017107-q47hh role=master #增加lable值 [key]=[value]
32. kubectl label pod redis-master-1033017107-q47hh role- #删除lable值
34. kubectl label pod redis-master-1033017107-q47hh role=backend --overwrite #修改lable值
36. kubectl rolling-update redis-master -f redis-master-controller-v2.yaml #配置文件滚动升级
38. kubectl rolling-update Redis -master --image =redis-master:2.0< Span class= "PLN" >  #命令升级
40. kubectl rolling-update redis-master --image=redis-master:1.0 --rollback #pod版本回滚

Kubernetes Common Commands