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nixos/network-interfaces: replace hostname and domain activationScript

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The hostname is already set by systemd
https://www.freedesktop.org/software/systemd/man/latest/hostname.html#Hostname%20semantics

Create a separate service that registers the domainname.
This commit is contained in:
nikstur 2023-10-25 00:06:46 +02:00
parent b5617e0575
commit d300940637
1 changed files with 6 additions and 12 deletions
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18
nixos/modules/tasks/network-interfaces.nix
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@ -1406,18 +1406,12 @@ in
val = tempaddrValues.${opt}.sysctl;
in nameValuePair "net.ipv6.conf.${replaceStrings ["."] ["/"] i.name}.use_tempaddr" val));
# Set the host and domain names in the activation script. Don't
# clear it if it's not configured in the NixOS configuration,
# since it may have been set by dhcpcd in the meantime.
system.activationScripts.hostname = let
effectiveHostname = config.boot.kernel.sysctl."kernel.hostname" or cfg.hostName;
in optionalString (effectiveHostname != "") ''
hostname "${effectiveHostname}"
'';
system.activationScripts.domain =
optionalString (cfg.domain != null) ''
domainname "${cfg.domain}"
'';
systemd.services.domainname = lib.mkIf (cfg.domain != null) {
wantedBy = [ "sysinit.target" ];
before = [ "sysinit.target" ];
unitConfig.DefaultDependencies = false;
serviceConfig.ExecStart = ''domainname "${cfg.domain}"'';
};
environment.etc.hostid = mkIf (cfg.hostId != null) { source = hostidFile; };
boot.initrd.systemd.contents."/etc/hostid" = mkIf (cfg.hostId != null) { source = hostidFile; };