k8s命令

命令列表

# 描述rc的行为，排查错误 kubectl describe rc nginx # 描述pod的行为，排查错误 kubectl describe pod PodName # 获取接口ip kubectl get ep # 得到指定命名空间下的pods kubectl get pods --namespace=kube-system # 强制删除某一个命名空间内的pods kubectl delete pods coredns-699f8ddd77-6t5g5 --namespace=kube-system --grace-period=0 —force # 查看某一个pods的日志 kubectl logs --tail=50 -f coredns-699f8ddd77-kgfbs --namespace=kube-system # 查看某一命名空间下的secrets对象 kubectl get secrets -n kube-system # 得到scecret对象描述 kubectl describe secrets/kubernetes-dashboard-certs -n kube-system # 得到副本集 kubectl get ReplicaSet -n kube-system # 查看deployment状态 kubectl rollout status deployment/metrics-server-v0.3.1 -n kube-system # 查看pod的yaml文件 kubectl get pods metrics-server-v0.3.1-8f79f7b54-z6j2z -n kube-system -o yaml # 创建secrets对象 kubectl create secret generic kubernetes-ca-certs --from-file=ssl -n kube-system # 创建configmap kubectl create configmap apollo --from-file=apollo # 强制删除pods kubectl delete pods acce --grace-period=0 --force # 删除所有异常状态的pod kubectl get pods | grep Evicted | awk '{print $1}' | xargs kubectl delete pod kubectl get pods -n istio-system | grep Evicted | awk '{print $1}' | xargs kubectl delete pod -n istio-system # 未测试过的命令 kubectl get pods --field-selector 'status.phase=Failed' -o name | xargs kubectl delete # 删除指定命名空间下所有异常状态的pod kubectl get pods -n kube-system | grep Evicted | awk '{print $1}' | xargs kubectl delete pod -n kube-system # 现在我们需要找到新创建的用户的Token kubectl -n kube-system describe secret $(kubectl -n kube-system get secret | grep admin-user | awk '{print' # metrics-server用到的语句 kubectl create rolebinding -n kube-system kubernetes-metrics-minimal --role=extension-apiserver-authentication-reader --serviceaccount=kube-system:metrics-server kubectl describe serviceaccount/default -n kube-system kubectl get secret default-token-hpni0 -o yaml -n kube-system kubectl cluster-info kubectl config view kubectl delete pod kube-flannel-ds-t9wts --now -n kube-system kubectl api-versions kubectl describe ds kube-flannel-ds -n kube-system kubectl port-forward --address 0.0.0.0 -n istio-system $(kubectl get pod -n istio-system -l app=jaeger -o jsonpath='{.items[0].metadata.name}') 16686:16686 kubectl exec -ti pod-use-pvc -n glusterfs -- /bin/bash kubectl edit configmap filebeat-inputs -n elastic-system kubectl get all --all-namespaces -o name|grep ceph # 删除命名空间 kubectl delete namespace jenkins