kubeadm config migrate --old-config
时间: 2023-10-02 09:07:23 浏览: 132
=<path/to/old/kubeadm.yaml> --new-config=<path/to/new/kubeadm.yaml>
This command is used to migrate an old kubeadm configuration file to a new one. The old configuration file is specified with the --old-config flag, while the new configuration file is specified with --new-config flag. The new configuration file should be created before running this command, as it will not be created automatically. This command is useful when upgrading Kubernetes to a new version, as the configuration file may need to be updated to match the new version.
相关问题
升级kubeadm-config.yaml 文件、
要升级kubeadm-config.yaml文件,请按照以下步骤进行操作:
1.备份原始的kubeadm-config.yaml文件。
2.使用 kubeadm config migrate 命令将kubeadm-config.yaml文件从旧版本升级到新版本。例如,如果您要将kubeadm-config.yaml文件从v1.20.x升级到v1.22.x,则可以使用以下命令:
```
sudo kubeadm config migrate --old-config kubeadm-config.yaml --new-version v1.22.0 --dry-run
```
此命令仅显示升级后的文件内容,并不会实际修改文件。请确认升级后的文件内容是否正确。
3.如果升级后的文件内容正确,请使用以下命令将升级后的文件写回到kubeadm-config.yaml文件中:
```
sudo kubeadm config migrate --old-config kubeadm-config.yaml --new-version v1.22.0 > kubeadm-config.yaml
```
此命令将升级后的文件内容写回到kubeadm-config.yaml文件中。
4.使用升级后的kubeadm-config.yaml文件初始化Kubernetes集群。
```
sudo kubeadm init --config kubeadm-config.yaml
```
注意:在升级kubeadm-config.yaml文件之前,请确保您已经备份了原始的文件,并检查升级后的文件是否正确。否则,可能会导致Kubernetes集群无法正常工作。
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