1.通过kubectl logs -n kube-system kube-controller-manager-xxx查看kube-controller-manager日志,日志显示“failed to renew lease kube-system/kube-controller-manager: failed to tryAcquireOrRenew context deadline exceeded” 2.参考一次kube-controller-manager的bug导致的线上无法调度处理过程,通过kubectl get --...
重启的pod为kube-controller-manager、kube-scheduler等均为需要选主的服务。 以kube-controller-manager为例,配置文--leader-elect=true选项开启选主,--leader-elect-renew-deadline duration选项官方推荐默认配置为10s,超过十秒则选主续约失败,相应endpoint更新失败,默认连接超时,关闭容器进行重启 etcd、api-server日志...
apiVersion: rbac.authorization.k8s.io/v1kind: ClusterRolemetadata:annotations:rbac.authorization.kubernetes.io/autoupdate: "true"labels:kubernetes.io/bootstrapping: rbac-defaultsname: system:kube-controller-managerrules:- apiGroups:- ""- events.k8s.ioresources:- eventsverbs:- create- patch- update-...
从上可以看出kube-controller-manager的leader一直不断切换,而kube-controller-manager的选举机制就是从etcd里去拿lease,谁先抢到谁就定义自己是leader,由于etcd反应慢,就可能出现leader更替,controller-manager会定期更新各种资源的状态,ep是其中一种,换个leader,又会全部更新一遍;本身我们维护的这个项目etcd的磁盘iops就是...
/kubernetes/kube-apiserver修改后,kubelet会重启kube-apiserver周期性异常重启 一直以为问题到这里就解决了。但随后又发生了一个更为严重的问题,那就是:kube-controller-manager和kube-apiserver pod,发现如下输出: root@yypdcom2:# kubectldescribepods/kube-system|grep health ...
1:prometheus 的Targets面板 kube-controller-manager显示error: server returned HTTP status 403 Forbidden2: kube-controller-manager 日志错误如下 E0623 05:00:59.765767 29872 resource_quota_controller.go:437] failed to sync resource monitors: [couldn’t start monitor for resource “crd.projectcalico.org/...
部署kube-controller-manager 高可用集群 2019-12-05 21:42 − [TOC] # 前言 > 该集群包含三个节点,启动后通过竞争选举机制产生一个`leader`节点,其他节点为阻塞状态。当`leader`节点不可用时,阻塞节点将会在此选举产生新的`leader`,从而保证服务的高可用。为保证通信安全,这里采用`x509`证书和私钥,`kube-con...
kube-controller-manager (KCM) gets restarted while it is detaching an in-tree vSphere volume from a node Solution In Progress- UpdatedJune 13 2024 at 6:57 PM- English Issue After enabling the automatic CSI migration for vSphere I have volumes that fail to attach with the following error. ...
What happened: i've just kubeadm init --pod-network-cidr=10.244.0.0/16 all pods are running but kube-controller-manager-kmaster always restarts coredns-86c58d9df4-542lg 1/1 Running 0 46m 10.244.0.31 kmaster coredns-86c58d9df4-5slzr 1/1 R...