@mmumshad please hlep!
vagrant@kubemaster:~$ sudo kubeadm init --apiserver-advertise-address=192.168.56.11 --pod-network-cidr=10.244.0.0/16 --image-repository=registry.aliyuncs.com/google_containers
[init] Using Kubernetes version: v1.29.2
[preflight] Running pre-flight checks
[preflight] Pulling images required for setting up a Kubernetes cluster
[preflight] This might take a minute or two, depending on the speed of your internet connection
[preflight] You can also perform this action in beforehand using 'kubeadm config images pull'
W0303 14:43:22.864317 7599 checks.go:835] detected that the sandbox image "registry.k8s.io/pause:3.6" of the container runtime is inconsistent with that used by kubeadm. It is recommended that using "registry.aliyuncs.com/google_containers/pause:3.9" as the CRI sandbox image.
[certs] Using certificateDir folder "/etc/kubernetes/pki"
[certs] Generating "ca" certificate and key
[certs] Generating "apiserver" certificate and key
[certs] apiserver serving cert is signed for DNS names [kubemaster kubernetes kubernetes.default kubernetes.default.svc kubernetes.default.svc.cluster.local] and IPs [10.96.0.1 192.168.56.11]
[certs] Generating "apiserver-kubelet-client" certificate and key
[certs] Generating "front-proxy-ca" certificate and key
[certs] Generating "front-proxy-client" certificate and key
[certs] Generating "etcd/ca" certificate and key
[certs] Generating "etcd/server" certificate and key
[certs] etcd/server serving cert is signed for DNS names [kubemaster localhost] and IPs [192.168.56.11 127.0.0.1 ::1]
[certs] Generating "etcd/peer" certificate and key
[certs] etcd/peer serving cert is signed for DNS names [kubemaster localhost] and IPs [192.168.56.11 127.0.0.1 ::1]
[certs] Generating "etcd/healthcheck-client" certificate and key
[certs] Generating "apiserver-etcd-client" certificate and key
[certs] Generating "sa" key and public key
[kubeconfig] Using kubeconfig folder "/etc/kubernetes"
[kubeconfig] Writing "admin.conf" kubeconfig file
[kubeconfig] Writing "super-admin.conf" kubeconfig file
[kubeconfig] Writing "kubelet.conf" kubeconfig file
[kubeconfig] Writing "controller-manager.conf" kubeconfig file
[kubeconfig] Writing "scheduler.conf" kubeconfig file
[etcd] Creating static Pod manifest for local etcd in "/etc/kubernetes/manifests"
[control-plane] Using manifest folder "/etc/kubernetes/manifests"
[control-plane] Creating static Pod manifest for "kube-apiserver"
[control-plane] Creating static Pod manifest for "kube-controller-manager"
[control-plane] Creating static Pod manifest for "kube-scheduler"
[kubelet-start] Writing kubelet environment file with flags to file "/var/lib/kubelet/kubeadm-flags.env"
[kubelet-start] Writing kubelet configuration to file "/var/lib/kubelet/config.yaml"
[kubelet-start] Starting the kubelet
[wait-control-plane] Waiting for the kubelet to boot up the control plane as static Pods from directory "/etc/kubernetes/manifests". This can take up to 4m0s
[kubelet-check] Initial timeout of 40s passed.
Unfortunately, an error has occurred:
timed out waiting for the condition
This error is likely caused by:
- The kubelet is not running
- The kubelet is unhealthy due to a misconfiguration of the node in some way (required cgroups disabled)
If you are on a systemd-powered system, you can try to troubleshoot the error with the following commands:
- 'systemctl status kubelet'
- 'journalctl -xeu kubelet'
my laptops
macOS Ventura 13.6.4
16GB
2.3GHz 2Core
my steps
git clone https://github.com/kodekloudhub/certified-kubernetes-administrator-course
cd certified-kubernetes-administrator-course/kubeadm-clusters/virtualbox
vagrant up
install containerd
sudo apt-get update
sudo apt-get install ca-certificates curl
sudo install -m 0755 -d /etc/apt/keyrings
sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
sudo chmod a+r /etc/apt/keyrings/docker.asc
# Add the repository to Apt sources:
echo \
"deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu \
$(. /etc/os-release && echo "$VERSION_CODENAME") stable" | \
sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
sudo apt-get update
sudo apt-get install containerd.io
sudo cat > /etc/containerd/config.toml <<EOF
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc]
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc.options]
SystemdCgroup = true
EOF
sudo systemctl restart containerd
Forwarding IPv4 and letting iptables see bridged traffic
cat <<EOF | sudo tee /etc/modules-load.d/k8s.conf
overlay
br_netfilter
EOF
sudo modprobe overlay
sudo modprobe br_netfilter
# sysctl params required by setup, params persist across reboots
cat <<EOF | sudo tee /etc/sysctl.d/k8s.conf
net.bridge.bridge-nf-call-iptables = 1
net.bridge.bridge-nf-call-ip6tables = 1
net.ipv4.ip_forward = 1
EOF
# Apply sysctl params without reboot
sudo sysctl --system
Install kubeadm kubelet kubectl
sudo apt-get update
sudo apt-get install -y apt-transport-https ca-certificates curl gpg
curl -fsSL https://pkgs.k8s.io/core:/stable:/v1.29/deb/Release.key | sudo gpg --dearmor -o /etc/apt/keyrings/kubernetes-apt-keyring.gpg
echo 'deb [signed-by=/etc/apt/keyrings/kubernetes-apt-keyring.gpg] https://pkgs.k8s.io/core:/stable:/v1.29/deb/ /' | sudo tee /etc/apt/sources.list.d/kubernetes.list
sudo apt-get update
sudo apt-get install -y kubelet kubeadm kubectl
sudo apt-mark hold kubelet kubeadm kubectl
create local cluster in master node
sudo kubeadm init --apiserver-advertise-address=192.168.56.11 --pod-network-cidr=10.244.0.0/16 --image-repository=registry.aliyuncs.com/google_containers
kubelet log
Mar 03 14:43:26 kubemaster systemd[1]: Started kubelet: The Kubernetes Node Agent.
░░ Subject: A start job for unit kubelet.service has finished successfully
░░ Defined-By: systemd
░░ Support: http://www.ubuntu.com/support
░░
░░ A start job for unit kubelet.service has finished successfully.
░░
░░ The job identifier is 3173.
Mar 03 14:43:26 kubemaster kubelet[7693]: Flag --container-runtime-endpoint has been deprecated, This parameter should be set via the config file specified by the Kubelet's --config flag. See https://kubernetes.io/docs/tasks/administer-cluster/kubelet-config-file/ for more information.
Mar 03 14:43:26 kubemaster kubelet[7693]: Flag --pod-infra-container-image has been deprecated, will be removed in a future release. Image garbage collector will get sandbox image information from CRI.
Mar 03 14:43:26 kubemaster kubelet[7693]: I0303 14:43:26.881066 7693 server.go:204] "--pod-infra-container-image will not be pruned by the image garbage collector in kubelet and should also be set in the remote runtime"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.365437 7693 server.go:487] "Kubelet version" kubeletVersion="v1.29.2"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.365580 7693 server.go:489] "Golang settings" GOGC="" GOMAXPROCS="" GOTRACEBACK=""
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.365962 7693 server.go:919] "Client rotation is on, will bootstrap in background"
Mar 03 14:43:27 kubemaster kubelet[7693]: E0303 14:43:27.369924 7693 certificate_manager.go:562] kubernetes.io/kube-apiserver-client-kubelet: Failed while requesting a signed certificate from the control plane: cannot create certificate signing request: Post "https://192.168.56.11:6443/apis/certificates.k8s.io/v1/certificatesigningrequests": dial tcp 192.168.56.11:6443: connect: connection refused
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.370186 7693 dynamic_cafile_content.go:157] "Starting controller" name="client-ca-bundle::/etc/kubernetes/pki/ca.crt"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.377271 7693 server.go:745] "--cgroups-per-qos enabled, but --cgroup-root was not specified. defaulting to /"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.378159 7693 container_manager_linux.go:265] "Container manager verified user specified cgroup-root exists" cgroupRoot=[]
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.378507 7693 container_manager_linux.go:270] "Creating Container Manager object based on Node Config" nodeConfig={"RuntimeCgroupsName":"","SystemCgroupsName":"","KubeletCgroupsName":"","KubeletOOMScoreAdj":-999,"ContainerRuntime":"","CgroupsPerQOS":true,"CgroupRoot":"/","CgroupDriver":"systemd","KubeletRootDir":"/var/lib/kubelet","ProtectKernelDefaults":false,"KubeReservedCgroupName">
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.378597 7693 topology_manager.go:138] "Creating topology manager with none policy"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.378611 7693 container_manager_linux.go:301] "Creating device plugin manager"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.378693 7693 state_mem.go:36] "Initialized new in-memory state store"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.378769 7693 kubelet.go:396] "Attempting to sync node with API server"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.378782 7693 kubelet.go:301] "Adding static pod path" path="/etc/kubernetes/manifests"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.378808 7693 kubelet.go:312] "Adding apiserver pod source"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.378820 7693 apiserver.go:42] "Waiting for node sync before watching apiserver pods"
Mar 03 14:43:27 kubemaster kubelet[7693]: W0303 14:43:27.381286 7693 reflector.go:539] vendor/k8s.io/client-go/informers/factory.go:159: failed to list *v1.Node: Get "https://192.168.56.11:6443/api/v1/nodes?fieldSelector=metadata.name%3Dkubemaster&limit=500&resourceVersion=0": dial tcp 192.168.56.11:6443: connect: connection refused
Mar 03 14:43:27 kubemaster kubelet[7693]: E0303 14:43:27.381632 7693 reflector.go:147] vendor/k8s.io/client-go/informers/factory.go:159: Failed to watch *v1.Node: failed to list *v1.Node: Get "https://192.168.56.11:6443/api/v1/nodes?fieldSelector=metadata.name%3Dkubemaster&limit=500&resourceVersion=0": dial tcp 192.168.56.11:6443: connect: connection refused
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.382146 7693 kuberuntime_manager.go:258] "Container runtime initialized" containerRuntime="containerd" version="1.6.28" apiVersion="v1"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.382497 7693 kubelet.go:809] "Not starting ClusterTrustBundle informer because we are in static kubelet mode"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.383999 7693 server.go:1256] "Started kubelet"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.387085 7693 fs_resource_analyzer.go:67] "Starting FS ResourceAnalyzer"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.390703 7693 server.go:162] "Starting to listen" address="0.0.0.0" port=10250
Mar 03 14:43:27 kubemaster kubelet[7693]: E0303 14:43:27.391369 7693 event.go:355] "Unable to write event (may retry after sleeping)" err="Post \"https://192.168.56.11:6443/api/v1/namespaces/default/events\": dial tcp 192.168.56.11:6443: connect: connection refused" event="&Event{ObjectMeta:{kubemaster.17b94847f0d12beb default 0 0001-01-01 00:00:00 +0000 UTC <nil> <nil> map[] map[] [] [] []},InvolvedObject:ObjectReference{Kind:Node,Na>
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.392032 7693 server.go:461] "Adding debug handlers to kubelet server"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.394153 7693 ratelimit.go:55] "Setting rate limiting for endpoint" service="podresources" qps=100 burstTokens=10
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.394466 7693 server.go:233] "Starting to serve the podresources API" endpoint="unix:/var/lib/kubelet/pod-resources/kubelet.sock"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.395992 7693 volume_manager.go:291] "Starting Kubelet Volume Manager"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.395992 7693 volume_manager.go:291] "Starting Kubelet Volume Manager"
Mar 03 14:43:27 kubemaster kubelet[7693]: E0303 14:43:27.396427 7693 kubelet.go:1462] "Image garbage collection failed once. Stats initialization may not have completed yet" err="invalid capacity 0 on image filesystem"
Mar 03 14:43:27 kubemaster kubelet[7693]: E0303 14:43:27.396872 7693 controller.go:145] "Failed to ensure lease exists, will retry" err="Get \"https://192.168.56.11:6443/apis/coordination.k8s.io/v1/namespaces/kube-node-lease/leases/kubemaster?timeout=10s\": dial tcp 192.168.56.11:6443: connect: connection refused" interval="200ms"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.397633 7693 desired_state_of_world_populator.go:151] "Desired state populator starts to run"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.397844 7693 factory.go:221] Registration of the systemd container factory successfully
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.397963 7693 factory.go:219] Registration of the crio container factory failed: Get "http://%2Fvar%2Frun%2Fcrio%2Fcrio.sock/info": dial unix /var/run/crio/crio.sock: connect: no such file or directory
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.398349 7693 reconciler_new.go:29] "Reconciler: start to sync state"
Mar 03 14:43:27 kubemaster kubelet[7693]: W0303 14:43:27.399779 7693 reflector.go:539] vendor/k8s.io/client-go/informers/factory.go:159: failed to list *v1.CSIDriver: Get "https://192.168.56.11:6443/apis/storage.k8s.io/v1/csidrivers?limit=500&resourceVersion=0": dial tcp 192.168.56.11:6443: connect: connection refused
Mar 03 14:43:27 kubemaster kubelet[7693]: E0303 14:43:27.399869 7693 reflector.go:147] vendor/k8s.io/client-go/informers/factory.go:159: Failed to watch *v1.CSIDriver: failed to list *v1.CSIDriver: Get "https://192.168.56.11:6443/apis/storage.k8s.io/v1/csidrivers?limit=500&resourceVersion=0": dial tcp 192.168.56.11:6443: connect: connection refused
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.400049 7693 factory.go:221] Registration of the containerd container factory successfully
Mar 03 14:43:27 kubemaster kubelet[7693]: W0303 14:43:27.400360 7693 reflector.go:539] vendor/k8s.io/client-go/informers/factory.go:159: failed to list *v1.Service: Get "https://192.168.56.11:6443/api/v1/services?limit=500&resourceVersion=0": dial tcp 192.168.56.11:6443: connect: connection refused
Mar 03 14:43:27 kubemaster kubelet[7693]: E0303 14:43:27.400560 7693 reflector.go:147] vendor/k8s.io/client-go/informers/factory.go:159: Failed to watch *v1.Service: failed to list *v1.Service: Get "https://192.168.56.11:6443/api/v1/services?limit=500&resourceVersion=0": dial tcp 192.168.56.11:6443: connect: connection refused
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.421719 7693 cpu_manager.go:214] "Starting CPU manager" policy="none"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.421782 7693 cpu_manager.go:215] "Reconciling" reconcilePeriod="10s"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.421820 7693 state_mem.go:36] "Initialized new in-memory state store"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.423751 7693 policy_none.go:49] "None policy: Start"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.425394 7693 memory_manager.go:170] "Starting memorymanager" policy="None"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.425454 7693 state_mem.go:35] "Initializing new in-memory state store"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.436054 7693 manager.go:479] "Failed to read data from checkpoint" checkpoint="kubelet_internal_checkpoint" err="checkpoint is not found"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.436373 7693 plugin_manager.go:118] "Starting Kubelet Plugin Manager"
Mar 03 14:43:27 kubemaster kubelet[7693]: E0303 14:43:27.439334 7693 eviction_manager.go:282] "Eviction manager: failed to get summary stats" err="failed to get node info: node \"kubemaster\" not found"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.439921 7693 kubelet_network_linux.go:50] "Initialized iptables rules." protocol="IPv4"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.443118 7693 kubelet_network_linux.go:50] "Initialized iptables rules." protocol="IPv6"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.443204 7693 status_manager.go:217] "Starting to sync pod status with apiserver"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.443234 7693 kubelet.go:2329] "Starting kubelet main sync loop"
Mar 03 14:43:27 kubemaster kubelet[7693]: E0303 14:43:27.443283 7693 kubelet.go:2353] "Skipping pod synchronization" err="PLEG is not healthy: pleg has yet to be successful"
Mar 03 14:43:27 kubemaster kubelet[7693]: W0303 14:43:27.444188 7693 reflector.go:539] vendor/k8s.io/client-go/informers/factory.go:159: failed to list *v1.RuntimeClass: Get "https://192.168.56.11:6443/apis/node.k8s.io/v1/runtimeclasses?limit=500&resourceVersion=0": dial tcp 192.168.56.11:6443: connect: connection refused
Mar 03 14:43:27 kubemaster kubelet[7693]: E0303 14:43:27.445228 7693 reflector.go:147] vendor/k8s.io/client-go/informers/factory.go:159: Failed to watch *v1.RuntimeClass: failed to list *v1.RuntimeClass: Get "https://192.168.56.11:6443/apis/node.k8s.io/v1/runtimeclasses?limit=500&resourceVersion=0": dial tcp 192.168.56.11:6443: connect: connection refused
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.498823 7693 kubelet_node_status.go:73] "Attempting to register node" node="kubemaster"
Mar 03 14:43:27 kubemaster kubelet[7693]: E0303 14:43:27.499848 7693 kubelet_node_status.go:96] "Unable to register node with API server" err="Post \"https://192.168.56.11:6443/api/v1/nodes\": dial tcp 192.168.56.11:6443: connect: connection refused" node="kubemaster"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.544621 7693 topology_manager.go:215] "Topology Admit Handler" podUID="3473f32dd7b41222d559b154fac715bc" podNamespace="kube-system" podName="etcd-kubemaster"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.547511 7693 topology_manager.go:215] "Topology Admit Handler" podUID="bab196b4accd342a89a5aeafe6fbd221" podNamespace="kube-system" podName="kube-apiserver-kubemaster"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.550250 7693 topology_manager.go:215] "Topology Admit Handler" podUID="57c71e32a1652dbd4218bb4ab2a29d0d" podNamespace="kube-system" podName="kube-controller-manager-kubemaster"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.553553 7693 topology_manager.go:215] "Topology Admit Handler" podUID="c69109bac5d8d5815ec8348ae982ac8b" podNamespace="kube-system" podName="kube-scheduler-kubemaster"
Mar 03 14:43:27 kubemaster kubelet[7693]: E0303 14:43:27.598516 7693 controller.go:145] "Failed to ensure lease exists, will retry" err="Get \"https://192.168.56.11:6443/apis/coordination.k8s.io/v1/namespaces/kube-node-lease/leases/kubemaster?timeout=10s\": dial tcp 192.168.56.11:6443: connect: connection refused" interval="400ms"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.598747 7693 reconciler_common.go:258] "operationExecutor.VerifyControllerAttachedVolume started for volume \"flexvolume-dir\" (UniqueName: \"kubernetes.io/host-path/57c71e32a1652dbd4218bb4ab2a29d0d-flexvolume-dir\") pod \"kube-controller-manager-kubemaster\" (UID: \"57c71e32a1652dbd4218bb4ab2a29d0d\") " pod="kube-system/kube-controller-manager-kubemaster"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.599119 7693 reconciler_common.go:258] "operationExecutor.VerifyControllerAttachedVolume started for volume \"k8s-certs\" (UniqueName: \"kubernetes.io/host-path/57c71e32a1652dbd4218bb4ab2a29d0d-k8s-certs\") pod \"kube-controller-manager-kubemaster\" (UID: \"57c71e32a1652dbd4218bb4ab2a29d0d\") " pod="kube-system/kube-controller-manager-kubemaster"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.599309 7693 reconciler_common.go:258] "operationExecutor.VerifyControllerAttachedVolume started for volume \"usr-share-ca-certificates\" (UniqueName: \"kubernetes.io/host-path/57c71e32a1652dbd4218bb4ab2a29d0d-usr-share-ca-certificates\") pod \"kube-controller-manager-kubemaster\" (UID: \"57c71e32a1652dbd4218bb4ab2a29d0d\") " pod="kube-system/kube-controller-manager-kubemaster"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.599463 7693 reconciler_common.go:258] "operationExecutor.VerifyControllerAttachedVolume started for volume \"etc-ca-certificates\" (UniqueName: \"kubernetes.io/host-path/bab196b4accd342a89a5aeafe6fbd221-etc-ca-certificates\") pod \"kube-apiserver-kubemaster\" (UID: \"bab196b4accd342a89a5aeafe6fbd221\") " pod="kube-system/kube-apiserver-kubemaster"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.599629 7693 reconciler_common.go:258] "operationExecutor.VerifyControllerAttachedVolume started for volume \"usr-share-ca-certificates\" (UniqueName: \"kubernetes.io/host-path/bab196b4accd342a89a5aeafe6fbd221-usr-share-ca-certificates\") pod \"kube-apiserver-kubemaster\" (UID: \"bab196b4accd342a89a5aeafe6fbd221\") " pod="kube-system/kube-apiserver-kubemaster"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.599888 7693 reconciler_common.go:258] "operationExecutor.VerifyControllerAttachedVolume started for volume \"ca-certs\" (UniqueName: \"kubernetes.io/host-path/57c71e32a1652dbd4218bb4ab2a29d0d-ca-certs\") pod \"kube-controller-manager-kubemaster\" (UID: \"57c71e32a1652dbd4218bb4ab2a29d0d\") " pod="kube-system/kube-controller-manager-kubemaster"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.600110 7693 reconciler_common.go:258] "operationExecutor.VerifyControllerAttachedVolume started for volume \"etc-ca-certificates\" (UniqueName: \"kubernetes.io/host-path/57c71e32a1652dbd4218bb4ab2a29d0d-etc-ca-certificates\") pod \"kube-controller-manager-kubemaster\" (UID: \"57c71e32a1652dbd4218bb4ab2a29d0d\") " pod="kube-system/kube-controller-manager-kubemaster"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.600382 7693 reconciler_common.go:258] "operationExecutor.VerifyControllerAttachedVolume started for volume \"usr-local-share-ca-certificates\" (UniqueName: \"kubernetes.io/host-path/57c71e32a1652dbd4218bb4ab2a29d0d-usr-local-share-ca-certificates\") pod \"kube-controller-manager-kubemaster\" (UID: \"57c71e32a1652dbd4218bb4ab2a29d0d\") " pod="kube-system/kube-controller-manager-kubem>
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.600679 7693 reconciler_common.go:258] "operationExecutor.VerifyControllerAttachedVolume started for volume \"kubeconfig\" (UniqueName: \"kubernetes.io/host-path/c69109bac5d8d5815ec8348ae982ac8b-kubeconfig\") pod \"kube-scheduler-kubemaster\" (UID: \"c69109bac5d8d5815ec8348ae982ac8b\") " pod="kube-system/kube-scheduler-kubemaster"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.601220 7693 reconciler_common.go:258] "operationExecutor.VerifyControllerAttachedVolume started for volume \"etcd-certs\" (UniqueName: \"kubernetes.io/host-path/3473f32dd7b41222d559b154fac715bc-etcd-certs\") pod \"etcd-kubemaster\" (UID: \"3473f32dd7b41222d559b154fac715bc\") " pod="kube-system/etcd-kubemaster"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.601504 7693 reconciler_common.go:258] "operationExecutor.VerifyControllerAttachedVolume started for volume \"usr-local-share-ca-certificates\" (UniqueName: \"kubernetes.io/host-path/bab196b4accd342a89a5aeafe6fbd221-usr-local-share-ca-certificates\") pod \"kube-apiserver-kubemaster\" (UID: \"bab196b4accd342a89a5aeafe6fbd221\") " pod="kube-system/kube-apiserver-kubemaster"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.601724 7693 reconciler_common.go:258] "operationExecutor.VerifyControllerAttachedVolume started for volume \"k8s-certs\" (UniqueName: \"kubernetes.io/host-path/bab196b4accd342a89a5aeafe6fbd221-k8s-certs\") pod \"kube-apiserver-kubemaster\" (UID: \"bab196b4accd342a89a5aeafe6fbd221\") " pod="kube-system/kube-apiserver-kubemaster"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.602003 7693 reconciler_common.go:258] "operationExecutor.VerifyControllerAttachedVolume started for volume \"kubeconfig\" (UniqueName: \"kubernetes.io/host-path/57c71e32a1652dbd4218bb4ab2a29d0d-kubeconfig\") pod \"kube-controller-manager-kubemaster\" (UID: \"57c71e32a1652dbd4218bb4ab2a29d0d\") " pod="kube-system/kube-controller-manager-kubemaster"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.602240 7693 reconciler_common.go:258] "operationExecutor.VerifyControllerAttachedVolume started for volume \"etcd-data\" (UniqueName: \"kubernetes.io/host-path/3473f32dd7b41222d559b154fac715bc-etcd-data\") pod \"etcd-kubemaster\" (UID: \"3473f32dd7b41222d559b154fac715bc\") " pod="kube-system/etcd-kubemaster"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.602444 7693 reconciler_common.go:258] "operationExecutor.VerifyControllerAttachedVolume started for volume \"ca-certs\" (UniqueName: \"kubernetes.io/host-path/bab196b4accd342a89a5aeafe6fbd221-ca-certs\") pod \"kube-apiserver-kubemaster\" (UID: \"bab196b4accd342a89a5aeafe6fbd221\") " pod="kube-system/kube-apiserver-kubemaster"
Mar 03 14:43:27 kubemaster kubelet[7693]: I0303 14:43:27.703177 7693 kubelet_node_status.go:73] "Attempting to register node" node="kubemaster"
Mar 03 14:43:27 kubemaster kubelet[7693]: E0303 14:43:27.704210 7693 kubelet_node_status.go:96] "Unable to register node with API server" err="Post \"https://192.168.56.11:6443/api/v1/nodes\": dial tcp 192.168.56.11:6443: connect: connection refused" node="kubemaster"
Mar 03 14:43:28 kubemaster kubelet[7693]: E0303 14:43:28.000901 7693 controller.go:145] "Failed to ensure lease exists, will retry" err="Get \"https://192.168.56.11:6443/apis/coordination.k8s.io/v1/namespaces/kube-node-lease/leases/kubemaster?timeout=10s\": dial tcp 192.168.56.11:6443: connect: connection refused" interval="800ms"
Mar 03 14:43:28 kubemaster kubelet[7693]: I0303 14:43:28.106496 7693 kubelet_node_status.go:73] "Attempting to register node" node="kubemaster"
Mar 03 14:43:28 kubemaster kubelet[7693]: E0303 14:43:28.106868 7693 kubelet_node_status.go:96] "Unable to register node with API server" err="Post \"https://192.168.56.11:6443/api/v1/nodes\": dial tcp 192.168.56.11:6443: connect: connection refused" node="kubemaster"
......
Mar 03 14:46:00 kubemaster kubelet[7693]: I0303 14:46:00.233424 7693 kubelet_node_status.go:73] "Attempting to register node" node="kubemaster"
Mar 03 14:46:00 kubemaster kubelet[7693]: E0303 14:46:00.235233 7693 kubelet_node_status.go:96] "Unable to register node with API server" err="Post \"https://192.168.56.11:6443/api/v1/nodes\": dial tcp 192.168.56.11:6443: connect: connection refused" node="kubemaster"
Mar 03 14:46:05 kubemaster kubelet[7693]: E0303 14:46:05.041703 7693 event.go:355] "Unable to write event (may retry after sleeping)" err="Post \"https://192.168.56.11:6443/api/v1/namespaces/default/events\": dial tcp 192.168.56.11:6443: connect: connection refused" event="&Event{ObjectMeta:{kubemaster.17b94847f18f9c03 default 0 0001-01-01 00:00:00 +0000 UTC <nil> <nil> map[] map[] [] [] []},InvolvedObject:ObjectReference{Kind:Node,Na>
Mar 03 14:46:07 kubemaster kubelet[7693]: E0303 14:46:07.069454 7693 controller.go:145] "Failed to ensure lease exists, will retry" err="Get \"https://192.168.56.11:6443/apis/coordination.k8s.io/v1/namespaces/kube-node-lease/leases/kubemaster?timeout=10s\": dial tcp 192.168.56.11:6443: connect: connection refused" interval="7s"
Mar 03 14:46:07 kubemaster kubelet[7693]: E0303 14:46:07.086474 7693 certificate_manager.go:562] kubernetes.io/kube-apiserver-client-kubelet: Failed while requesting a signed certificate from the control plane: cannot create certificate signing request: Post "https://192.168.56.11:6443/apis/certificates.k8s.io/v1/certificatesigningrequests": dial tcp 192.168.56.11:6443: connect: connection refused
Mar 03 14:46:07 kubemaster kubelet[7693]: I0303 14:46:07.237805 7693 kubelet_node_status.go:73] "Attempting to register node" node="kubemaster"
Mar 03 14:46:07 kubemaster kubelet[7693]: E0303 14:46:07.238812 7693 kubelet_node_status.go:96] "Unable to register node with API server" err="Post \"https://192.168.56.11:6443/api/v1/nodes\": dial tcp 192.168.56.11:6443: connect: connection refused" node="kubemaster"
Mar 03 14:46:07 kubemaster kubelet[7693]: E0303 14:46:07.549045 7693 eviction_manager.go:282] "Eviction manager: failed to get summary stats" err="failed to get node info: node \"kubemaster\" not found"
Mar 03 14:46:07 kubemaster kubelet[7693]: W0303 14:46:07.579311 7693 reflector.go:539] vendor/k8s.io/client-go/informers/factory.go:159: failed to list *v1.Service: Get "https://192.168.56.11:6443/api/v1/services?limit=500&resourceVersion=0": dial tcp 192.168.56.11:6443: connect: connection refused
Mar 03 14:46:07 kubemaster kubelet[7693]: E0303 14:46:07.579744 7693 reflector.go:147] vendor/k8s.io/client-go/informers/factory.go:159: Failed to watch *v1.Service: failed to list *v1.Service: Get "https://192.168.56.11:6443/api/v1/services?limit=500&resourceVersion=0": dial tcp 192.168.56.11:6443: connect: connection refused
Mar 03 14:46:07 kubemaster kubelet[7693]: E0303 14:46:07.631630 7693 remote_runtime.go:193] "RunPodSandbox from runtime service failed" err="rpc error: code = DeadlineExceeded desc = failed to get sandbox image \"registry.k8s.io/pause:3.6\": failed to pull image \"registry.k8s.io/pause:3.6\": failed to pull and unpack image \"registry.k8s.io/pause:3.6\": failed to resolve reference \"registry.k8s.io/pause:3.6\": failed to do request: Head>
Mar 03 14:46:07 kubemaster kubelet[7693]: E0303 14:46:07.631741 7693 kuberuntime_sandbox.go:72] "Failed to create sandbox for pod" err="rpc error: code = DeadlineExceeded desc = failed to get sandbox image \"registry.k8s.io/pause:3.6\": failed to pull image \"registry.k8s.io/pause:3.6\": failed to pull and unpack image \"registry.k8s.io/pause:3.6\": failed to resolve reference \"registry.k8s.io/pause:3.6\": failed to do request: Head \"ht>
Mar 03 14:46:07 kubemaster kubelet[7693]: E0303 14:46:07.631773 7693 kuberuntime_manager.go:1172] "CreatePodSandbox for pod failed" err="rpc error: code = DeadlineExceeded desc = failed to get sandbox image \"registry.k8s.io/pause:3.6\": failed to pull image \"registry.k8s.io/pause:3.6\": failed to pull and unpack image \"registry.k8s.io/pause:3.6\": failed to resolve reference \"registry.k8s.io/pause:3.6\": failed to do request: Head \"h>