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networking: add dns/search options

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These options are only enabled for networkservices that are explicitly
enabled and will clear existing values if nothing is set.
This commit is contained in:
Daiderd Jordan 2018-01-08 00:00:11 +01:00
parent 48b888c800
commit 5c18e86a07
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GPG key ID: D02435D05B810C96
1 changed files with 43 additions and 3 deletions
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46
modules/networking/default.nix
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@ -5,11 +5,26 @@ with lib;
let
cfg = config.networking;
hostName = optionalString (cfg.hostName != null) ''
emptyList = lst: if lst != [] then lst else ["empty"];
quoteStrings = concatMapStringsSep " " (str: "'${str}'");
setHostName = optionalString (cfg.hostName != null) ''
scutil --set ComputerName '${cfg.hostName}'
scutil --set LocalHostName '${cfg.hostName}'
scutil --set HostName '${cfg.hostName}'
'';
setNetworkServices = optionalString (cfg.networkservices != []) ''
networkservices=$(networksetup -listallnetworkservices)
${concatMapStringsSep "\n" (srv: ''
case "$networkservices" in
*'${srv}'*)
networksetup -setdnsservers '${srv}' ${quoteStrings (emptyList cfg.dns)}
networksetup -setsearchdomains '${srv}' ${quoteStrings (emptyList cfg.search)}
;;
esac
'') cfg.networkservices}
'';
in
{
@ -20,6 +35,31 @@ in
example = "myhostname";
description = "Hostname for your machine.";
};
networking.networkservices = mkOption {
type = types.listOf types.str;
default = [];
example = [ "Wi-Fi" "Ethernet Adaptor" "Thunderbolt Ethernet" ];
description = ''
List of networkservices that should be configured.
To display a list of all the network services on the server's
hardware ports, use <command>networksetup -listallnetworkservices</command>.
'';
};
networking.dns = mkOption {
type = types.listOf types.str;
default = [];
example = [ "8.8.8.8" "8.8.4.4" "2001:4860:4860::8888" "2001:4860:4860::8844" ];
description = "The list of dns servers used when resolving domain names.";
};
networking.search = mkOption {
type = types.listOf types.str;
default = [];
description = "The list of search paths used when resolving domain names.";
};
};
config = {
@ -27,10 +67,10 @@ in
system.defaults.smb.NetBIOSName = cfg.hostName;
system.activationScripts.networking.text = ''
# Set defaults
echo "configuring networking..." >&2
${hostName}
${setHostName}
${setNetworkServices}
'';
};