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0412bde942
Add missing type information to manually specified enable options or replace them by mkEnableOption where appropriate.
81 lines
1.9 KiB
Nix
81 lines
1.9 KiB
Nix
# Module for rdnssd, a daemon that configures DNS servers in
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# /etc/resolv/conf from IPv6 RDNSS advertisements.
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{ config, lib, pkgs, ... }:
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with lib;
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let
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mergeHook = pkgs.writeScript "rdnssd-merge-hook" ''
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#! ${pkgs.runtimeShell} -e
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${pkgs.openresolv}/bin/resolvconf -u
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'';
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in
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{
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###### interface
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options = {
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services.rdnssd.enable = mkOption {
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type = types.bool;
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default = false;
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#default = config.networking.enableIPv6;
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description =
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''
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Whether to enable the RDNSS daemon
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(<command>rdnssd</command>), which configures DNS servers in
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<filename>/etc/resolv.conf</filename> from RDNSS
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advertisements sent by IPv6 routers.
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'';
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};
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};
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###### implementation
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config = mkIf config.services.rdnssd.enable {
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assertions = [{
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assertion = config.networking.resolvconf.enable;
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message = "rdnssd needs resolvconf to work (probably something sets up a static resolv.conf)";
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}];
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systemd.services.rdnssd = {
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description = "RDNSS daemon";
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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preStart = ''
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# Create the proper run directory
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mkdir -p /run/rdnssd
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touch /run/rdnssd/resolv.conf
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chown -R rdnssd /run/rdnssd
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# Link the resolvconf interfaces to rdnssd
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rm -f /run/resolvconf/interfaces/rdnssd
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ln -s /run/rdnssd/resolv.conf /run/resolvconf/interfaces/rdnssd
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${mergeHook}
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'';
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postStop = ''
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rm -f /run/resolvconf/interfaces/rdnssd
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${mergeHook}
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'';
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serviceConfig = {
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ExecStart = "@${pkgs.ndisc6}/bin/rdnssd rdnssd -p /run/rdnssd/rdnssd.pid -r /run/rdnssd/resolv.conf -u rdnssd -H ${mergeHook}";
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Type = "forking";
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PIDFile = "/run/rdnssd/rdnssd.pid";
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};
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};
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users.users.rdnssd = {
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description = "RDNSSD Daemon User";
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uid = config.ids.uids.rdnssd;
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};
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};
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}
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