Kubernetes常用命令

1，启动Kubernetes命令

systemctl start etcd

systemctl start flanneld(可选)

systemctl start docker

systemctl start kube-apiserver 或 kube-apiserver --insecure-bind-address=0.0.0.0 --insecure-port=8080 --etcd_servers=http://127.0.0.1:2379 --service-cluster-ip-range='127.0.0.1/24' &

kube-apiserver配置文件/etc/kubernetes/apiserver

systemctl start kube-controller-manager

systemctl start kube-scheduler

systemctl start kubelet

systemctl start kube-proxy

systemctl daemon-reload

日志目录/var/log/kubernetes

 

2，创建和查看ReplicationController

kubectl create -f [redis-master-controller.yaml]

kubectl get rc

kubectl get pods

 

3，创建和查看Service

kubectl create -f [redis-master-servcie.yaml]

kubectl get services

 

4，一键动态缩放Pod

kubectl scale rc [redis-slave] --replicas=3

 

5，查看所有端点（endpoints）

kubectl get endpoints

 

6，设置etcd

etcdctl set /atomic.io/network '{ ＂Network＂: ＂172.17.0.0/16＂ }'

 

7，删除操作

kubectl delete -f 文件名

kubectl delete pods <podname> --grace-period=0 --force 强制删除

 

8，修改资源配置

kubectl edit pod <podname> 

kubectl get pod <podname> -o yaml >> /tmp/cronm-tmp.yaml

kubectl replace -f /tmp/nginx-tmp.yaml   

9，查看pod日志

kubectl gets <podname>

kubectl logs <pod_name>

kubectl logs <pod_name> -c <container_name>

docker logs  <container_id>

 

10，查看Kubernetes系统日志

systemctl status kube-controller-manager -l

journalctl -u kube-controller-manage