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kubernetes常用命令总结
kubectl
source <(kubectl completion bash) #命令补全
启动-停止-重启-状态
master
systemctl daemon-reload systemctl start kube-apiserver systemctl start kube-controller-manager systemctl start kube-scheduler
etcd
systemctl start etcd systemctl stop etcd systemctl restart etcd
client
systemctl start kube-proxy -l systemctl start docker -l systemctl start kubelet -l
status
systemctl status etcd systemctl status kube-apiserver -l systemctl status kube-controller-manager -l systemctl status kube-scheduler systemctl status kube-proxy -l systemctl status docker -l systemctl status kubelet -l
常用命令
kubectl get pods
kubectl get rc
kubectl get service
kubectl get componentstatuses
kubectl get endpoints
kubectl cluster-info
kubectl create -f redis-master-controller.yaml
kubectl delete -f redis-master-controller.yaml
kubectl delete pod nginx-772ai
kubectl logs -f pods/heapster-xxxxx -n kube-system #查看日志
kubectl scale rc redis-slave --replicas=3 #修改RC的副本数量，来实现Pod的动态缩放
etcdctl cluster-health #检查网络集群健康状态
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
etcdctl member list
etcdctl set /k8s/network/config '{ "Network": "10.1.0.0/16" }'
etcdctl get /k8s/network/config基础进阶
kubectl get services kubernetes-dashboard -n kube-system #查看所有service kubectl get deployment kubernetes-dashboard -n kube-system #查看所有发布 kubectl get pods --all-namespaces #查看所有pod kubectl get pods -o wide --all-namespaces #查看所有pod的IP及节点 kubectl get pods -n kube-system | grep dashboard kubectl describe service/kubernetes-dashboard --namespace="kube-system" kubectl describe pods/kubernetes-dashboard-349859023-g6q8c --namespace="kube-system" #指定类型查看 kubectl describe pod nginx-772ai #查看pod详细信息 kubectl scale rc nginx --replicas=5 # 动态伸缩 kubectl scale deployment redis-slave --replicas=5 #动态伸缩 kubectl scale --replicas=2 -f redis-slave-deployment.yaml #动态伸缩 kubectl exec -it redis-master-1033017107-q47hh /bin/bash #进入容器 kubectl label nodes node1 zone=north #增加节点lable值 spec.nodeSelector: zone: north #指定pod在哪个节点 kubectl get nodes -lzone #获取zone的节点 kubectl label pod redis-master-1033017107-q47hh role=master #增加lable值 [key]=[value] kubectl label pod redis-master-1033017107-q47hh role- #删除lable值 kubectl label pod redis-master-1033017107-q47hh role=backend --overwrite #修改lable值 kubectl rolling-update redis-master -f redis-master-controller-v2.yaml #配置文件滚动升级 kubectl rolling-update redis-master --image=redis-master:2.0 #命令升级 kubectl rolling-update redis-master --image=redis-master:1.0 --rollback #pod版本回滚