21 lines
434 B
Nix
21 lines
434 B
Nix
{
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config,
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options,
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lib,
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...
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}:
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with lib; let
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# get a list of interfaces
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interfaces = attrNames config.networking.interfaces;
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# check if an IP has been assigned
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has_ip = interface: (length config.networking.interfaces."${interface}".ipv4.addresses) != 0;
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in {
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config = {
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assertions = [
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{
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assertion = lists.any has_ip interfaces;
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message = "Must have a ip address set";
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}
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];
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};
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}
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