kubeadm join 失败
kubeadm join 失败现象:[root@k8s-node02 ~]# kubeadm join 192.168.76.6:6443 --token b9ov87.cn3uyf3nd4s1mh1s--discovery-token-ca-cert-hash sha256:7ebc5d0c713c5d90f6f12a1808da157047c16d3786b762f5857944bcab83f
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kubeadm join 失败
现象:
[root@k8s-node02 ~]# kubeadm join 192.168.76.6:6443 --token b9ov87.cn3uyf3nd4s1mh1s --discovery-token-ca-cert-hash sha256:7ebc5d0c713c5d90f6f12a1808da157047c16d3786b762f5857944bcab83fcce
[preflight] Running pre-flight checks
[WARNING IsDockerSystemdCheck]: detected "cgroupfs" as the Docker cgroup driver. The recommended driver is "systemd". Please follow the guide at https://kubernetes.io/docs/setup/cri/
[preflight] Reading configuration from the cluster...
[preflight] FYI: You can look at this config file with 'kubectl -n kube-system get cm kubeadm-config -o yaml'
[kubelet-start] Writing kubelet configuration to file "/var/lib/kubelet/config.yaml"
[kubelet-start] Writing kubelet environment file with flags to file "/var/lib/kubelet/kubeadm-flags.env"
[kubelet-start] Starting the kubelet
[kubelet-start] Waiting for the kubelet to perform the TLS Bootstrap...
[kubelet-check] Initial timeout of 40s passed.
error execution phase kubelet-start: error uploading crisocket: timed out waiting for the condition
To see the stack trace of this error execute with --v=5 or higher
解决方法:
swapoff -a
kubeadm reset
systemctl daemon-reload
systemctl restart kubelet
iptables -F && iptables -t nat -F && iptables -t mangle -F && iptables -X
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