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nixos/virtualbox: fix systemd-networkd-wait-online.service waiting for vboxnet0

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While switching NixOS configurations with both

networking.useNetworkd = true;
virtualisation.virtualbox.host.enable;

You often end up waiting for systemd-networkd-wait-online.service.

This happens because the vboxnet0 device doesn't have a carrier until
virtualbox machines are started, so networkd gets stuck in
"Configuring":

⇒  networkctl list
IDX LINK          TYPE      OPERATIONAL SETUP
  1 lo            loopback  carrier     unmanaged
  2 wlp2s0        wlan      routable    unmanaged
  3 vboxnet0      ether     no-carrier  configuring

This updates the NixOS virtualbox host module to include a
RequiredForOnline=no statement in the generated 40-vboxnet0.network
file, so networkd doesn't consider it necessary for
systemd-networkd-wait-online.service to finish.
This commit is contained in:
Florian Klink 2019-10-26 00:45:42 +02:00
parent c3098d182d
commit 32fd88726b
1 changed files with 8 additions and 1 deletions
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9
nixos/modules/virtualisation/virtualbox-host.nix
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@ -149,5 +149,12 @@ in
# Make sure NetworkManager won't assume this interface being up # Make sure NetworkManager won't assume this interface being up
# means we have internet access. # means we have internet access.
networking.networkmanager.unmanaged = ["vboxnet0"]; networking.networkmanager.unmanaged = ["vboxnet0"];
})]); }) (mkIf config.networking.useNetworkd {
systemd.network.networks."40-vboxnet0".extraConfig = ''
[Link]
RequiredForOnline=no
'';
})
]);
} }