请问老师,我这个是什么问题?
来源:1-3 【核心基本功】K8S基础集群搭建
guaguaerhao
2022-01-24 08:56:44
[root@VM-16-14-centos ~]# journalctl -xeu kubelet
Jan 24 09:33:49 VM-16-14-centos kubelet[7345]: I0124 09:33:49.779890 7345 container_manager_linux.go:321] "Creating device plugin manager" devicePluginEnabled=true
Jan 24 09:33:49 VM-16-14-centos kubelet[7345]: I0124 09:33:49.780004 7345 state_mem.go:36] "Initialized new in-memory state store"
Jan 24 09:33:49 VM-16-14-centos kubelet[7345]: I0124 09:33:49.780092 7345 kubelet.go:313] "Using dockershim is deprecated, please consider using a full-fledged CRI implementation"
Jan 24 09:33:49 VM-16-14-centos kubelet[7345]: I0124 09:33:49.780373 7345 client.go:80] "Connecting to docker on the dockerEndpoint" endpoint="unix:///var/run/docker.sock"
Jan 24 09:33:49 VM-16-14-centos kubelet[7345]: I0124 09:33:49.780397 7345 client.go:99] "Start docker client with request timeout" timeout="2m0s"
Jan 24 09:33:49 VM-16-14-centos kubelet[7345]: I0124 09:33:49.792820 7345 docker_service.go:571] "Hairpin mode is set but kubenet is not enabled, falling back to HairpinVeth" hairpinMode=promiscuous-bridge
Jan 24 09:33:49 VM-16-14-centos kubelet[7345]: I0124 09:33:49.792848 7345 docker_service.go:243] "Hairpin mode is set" hairpinMode=hairpin-veth
Jan 24 09:33:49 VM-16-14-centos kubelet[7345]: I0124 09:33:49.792978 7345 cni.go:240] "Unable to update cni config" err="no networks found in /etc/cni/net.d"
Jan 24 09:33:49 VM-16-14-centos kubelet[7345]: I0124 09:33:49.797322 7345 cni.go:240] "Unable to update cni config" err="no networks found in /etc/cni/net.d"
Jan 24 09:33:49 VM-16-14-centos kubelet[7345]: I0124 09:33:49.797406 7345 docker_service.go:258] "Docker cri networking managed by the network plugin" networkPluginName="cni"
Jan 24 09:33:49 VM-16-14-centos kubelet[7345]: I0124 09:33:49.797499 7345 cni.go:240] "Unable to update cni config" err="no networks found in /etc/cni/net.d"
Jan 24 09:33:49 VM-16-14-centos kubelet[7345]: I0124 09:33:49.815964 7345 docker_service.go:264] "Docker Info" dockerInfo=&{ID:XD4S:UGYS:5JND:UECT:GUOY:BJAX:POCQ:TIRA:QDCF:HR22:EKUT:XAKT Containers:0 ContainersRunning:0 ContainersPaused:0 ContainersStop
Jan 24 09:33:49 VM-16-14-centos kubelet[7345]: E0124 09:33:49.815995 7345 server.go:302] "Failed to run kubelet" err="failed to run Kubelet: misconfiguration: kubelet cgroup driver: \"systemd\" is different from docker cgroup driver: \"cgroupfs\""
Jan 24 09:33:49 VM-16-14-centos systemd[1]: kubelet.service: main process exited, code=exited, status=1/FAILURE
Jan 24 09:33:49 VM-16-14-centos systemd[1]: Unit kubelet.service entered failed state.
Jan 24 09:33:49 VM-16-14-centos systemd[1]: kubelet.service failed.
Jan 24 09:33:59 VM-16-14-centos systemd[1]: kubelet.service holdoff time over, scheduling restart.
Jan 24 09:33:59 VM-16-14-centos systemd[1]: Stopped kubelet: The Kubernetes Node Agent.
-- Subject: Unit kubelet.service has finished shutting down
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit kubelet.service has finished shutting down.
Jan 24 09:33:59 VM-16-14-centos systemd[1]: Started kubelet: The Kubernetes Node Agent.
-- Subject: Unit kubelet.service has finished start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit kubelet.service has finished starting up.
--
-- The start-up result is done.
Jan 24 09:34:00 VM-16-14-centos kubelet[7428]: Flag --network-plugin has been deprecated, will be removed along with dockershim.
Jan 24 09:34:00 VM-16-14-centos kubelet[7428]: Flag --network-plugin has been deprecated, will be removed along with dockershim.
Jan 24 09:34:00 VM-16-14-centos kubelet[7428]: I0124 09:34:00.022411 7428 server.go:446] "Kubelet version" kubeletVersion="v1.23.2"
Jan 24 09:34:00 VM-16-14-centos kubelet[7428]: I0124 09:34:00.022961 7428 server.go:874] "Client rotation is on, will bootstrap in background"
Jan 24 09:34:00 VM-16-14-centos kubelet[7428]: I0124 09:34:00.024946 7428 certificate_store.go:130] Loading cert/key pair from "/var/lib/kubelet/pki/kubelet-client-current.pem".
Jan 24 09:34:00 VM-16-14-centos kubelet[7428]: I0124 09:34:00.026144 7428 dynamic_cafile_content.go:156] "Starting controller" name="client-ca-bundle::/etc/kubernetes/pki/ca.crt"
Jan 24 09:34:00 VM-16-14-centos kubelet[7428]: I0124 09:34:00.113171 7428 server.go:693] "--cgroups-per-qos enabled, but --cgroup-root was not specified. defaulting to /"
Jan 24 09:34:00 VM-16-14-centos kubelet[7428]: I0124 09:34:00.113366 7428 container_manager_linux.go:281] "Container manager verified user specified cgroup-root exists" cgroupRoot=[]
Jan 24 09:34:00 VM-16-14-centos kubelet[7428]: I0124 09:34:00.113461 7428 container_manager_linux.go:286] "Creating Container Manager object based on Node Config" nodeConfig={RuntimeCgroupsName: SystemCgroupsName: KubeletCgroupsName: ContainerRuntime:do
Jan 24 09:34:00 VM-16-14-centos kubelet[7428]: I0124 09:34:00.113489 7428 topology_manager.go:133] "Creating topology manager with policy per scope" topologyPolicyName="none" topologyScopeName="container"
Jan 24 09:34:00 VM-16-14-centos kubelet[7428]: I0124 09:34:00.113501 7428 container_manager_linux.go:321] "Creating device plugin manager" devicePluginEnabled=true
Jan 24 09:34:00 VM-16-14-centos kubelet[7428]: I0124 09:34:00.113545 7428 state_mem.go:36] "Initialized new in-memory state store"
Jan 24 09:34:00 VM-16-14-centos kubelet[7428]: I0124 09:34:00.113594 7428 kubelet.go:313] "Using dockershim is deprecated, please consider using a full-fledged CRI implementation"
Jan 24 09:34:00 VM-16-14-centos kubelet[7428]: I0124 09:34:00.113619 7428 client.go:80] "Connecting to docker on the dockerEndpoint" endpoint="unix:///var/run/docker.sock"
Jan 24 09:34:00 VM-16-14-centos kubelet[7428]: I0124 09:34:00.113631 7428 client.go:99] "Start docker client with request timeout" timeout="2m0s"
Jan 24 09:34:00 VM-16-14-centos kubelet[7428]: I0124 09:34:00.126701 7428 docker_service.go:571] "Hairpin mode is set but kubenet is not enabled, falling back to HairpinVeth" hairpinMode=promiscuous-bridge
Jan 24 09:34:00 VM-16-14-centos kubelet[7428]: I0124 09:34:00.126733 7428 docker_service.go:243] "Hairpin mode is set" hairpinMode=hairpin-veth
Jan 24 09:34:00 VM-16-14-centos kubelet[7428]: I0124 09:34:00.126854 7428 cni.go:240] "Unable to update cni config" err="no networks found in /etc/cni/net.d"
Jan 24 09:34:00 VM-16-14-centos kubelet[7428]: I0124 09:34:00.131016 7428 cni.go:240] "Unable to update cni config" err="no networks found in /etc/cni/net.d"
Jan 24 09:34:00 VM-16-14-centos kubelet[7428]: I0124 09:34:00.131133 7428 docker_service.go:258] "Docker cri networking managed by the network plugin" networkPluginName="cni"
Jan 24 09:34:00 VM-16-14-centos kubelet[7428]: I0124 09:34:00.131239 7428 cni.go:240] "Unable to update cni config" err="no networks found in /etc/cni/net.d"
Jan 24 09:34:00 VM-16-14-centos kubelet[7428]: I0124 09:34:00.147414 7428 docker_service.go:264] "Docker Info" dockerInfo=&{ID:XD4S:UGYS:5JND:UECT:GUOY:BJAX:POCQ:TIRA:QDCF:HR22:EKUT:XAKT Containers:0 ContainersRunning:0 ContainersPaused:0 ContainersStop
Jan 24 09:34:00 VM-16-14-centos kubelet[7428]: E0124 09:34:00.147470 7428 server.go:302] "Failed to run kubelet" err="failed to run Kubelet: misconfiguration: kubelet cgroup driver: \"systemd\" is different from docker cgroup driver: \"cgroupfs\""
Jan 24 09:34:00 VM-16-14-centos systemd[1]: kubelet.service: main process exited, code=exited, status=1/FAILURE
Jan 24 09:34:00 VM-16-14-centos systemd[1]: Unit kubelet.service entered failed state.
Jan 24 09:34:00 VM-16-14-centos systemd[1]: kubelet.service failed.
1回答
张飞扬
2022-03-24
Kubetlet的问题通常和Docker配置,Docker版本和K8S版本兼容性等有关,可以重装下新版本Docker再重新k8S init试试
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