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生成controllermanager scheduler的kubeconfig #1

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fanux opened this issue Apr 29, 2020 · 1 comment

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fanux commented Apr 29, 2020 •

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老版本证书时间是99年但是没有更新scheduler和manager的kubeconfig, 可以使用本工具进行更新

sealctl user -u system:kube-scheduler -o scheduler.conf --ca-crt /etc/kubernetes/pki/ca.crt --ca-key /etc/kubernetes/pki/ca.key
sealctl user -u system:kube-controller-manager -o controller-manager.conf --ca-crt /etc/kubernetes/pki/ca.crt --ca-key /etc/kubernetes/pki/ca.key

然后拷贝到每个master的/etc/kubernetes目录下，覆盖老的，然后重启scheduler和controller-manager即可。

注意备份好老的conf防止出错需要回滚

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fanux commented Apr 29, 2020

kubeadm alpha certs check-expiration

然后用上面命令检查过期时间

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