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hbogert
Asked: 2023-08-20 04:37:59 +0800 CST

有没有办法在 netplan 中将自定义配置添加到渲染的网络配置中

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我想在networkd 中使用Netplan 中不可用的选项。在适当的时候，这可能是可以实现的。在那之前，有没有办法实现自定义网络代码，使我渲染的网络配置具有以下行？

[Network]
KeepConfiguration=dhcp-on-stop

我希望 Netplan YAML 文件中有一些隐藏的配置可用于实现此目的。

非常欢迎其他解决方案。

netplan

1 个回答

  1. Best Answer

    您还没有指出您的 Ubuntu 版本。以下是在 Ubuntu 22.04 Server 上测试的。

    这可以通过为您的接口创建一个“嵌入式”配置文件来完成，该文件将添加或覆盖您的网络配置。

    每个systemd.network(5)：

       Along with the network file foo.network, a "drop-in" directory
   foo.network.d/ may exist. All files with the suffix ".conf" from
   this directory will be merged in the alphanumeric order and
   parsed after the main file itself has been parsed. This is useful
   to alter or add configuration settings, without having to modify
   the main configuration file. Each drop-in file must have
   appropriate section headers.

    一个例子...

    您尚未包含 Netplan YAML 配置文件，因此我将使用以下内容：

    $ cat /etc/netplan/00-install-config.yaml
network:
  version: 2
  renderer: networkd
  ethernets:
    eth0:
      dhcp4: true

    在本例中，网络接口是eth0。您需要用您的界面替换eth0以下命令中的 。

    1. 创建放置目录

    解析 Netplan YAML 文件时，将创建以下文件：/run/systemd/network/10-netplan-eth0.network.

    插入目录名称需要与此文件名匹配并添加“.d”后缀：

    sudo mkdir /etc/systemd/network/10-netplan-eth0.network.d

    2.创建配置文件：

    在此目录中，创建一个以“.conf”结尾的配置文件。名称并不重要，重要的是后缀。

    sudo touch /etc/systemd/network/10-netplan-eth0.network.d/10-netplan-eth0.network.conf

    3.编辑如下：

    # Drop-in configuration for 10-netplan-eth0.network
[Network]
KeepConfiguration=dhcp-on-stop

    4. 重新启动systemd-networkd：

    sudo systemctl restart systemd-networkd

    为了其他人的完整性，我添加了有关密钥的部分KeepConfiguration=。

    每个systemd.network(5)：

       KeepConfiguration=
       Takes a boolean or one of "static", "dhcp-on-stop", "dhcp".
       When "static", systemd-networkd will not drop static
       addresses and routes on starting up process. When set to
       "dhcp-on-stop", systemd-networkd will not drop addresses and
       routes on stopping the daemon. When "dhcp", the addresses and
       routes provided by a DHCP server will never be dropped even
       if the DHCP lease expires. This is contrary to the DHCP
       specification, but may be the best choice if, e.g., the root
       filesystem relies on this connection. The setting "dhcp"
       implies "dhcp-on-stop", and "yes" implies "dhcp" and
       "static". Defaults to "dhcp-on-stop" when systemd-networkd is
       running in initrd, "yes" when the root filesystem is a
       network filesystem, and "no" otherwise.
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