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Merge defe3d2a92 into 53d0f0ed11

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Theodore Ni 2025-03-29 15:35:56 +00:00 • committed by GitHub
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2 changed files with 151 additions and 30 deletions
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155
modules/networking/default.nix
View file

@ -7,24 +7,92 @@ let
hostnameRegEx = ''^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9\-]*[A-Za-z0-9])$'';
emptyList = lst: if lst != [] then lst else ["empty"];
emptyList = lst: if lst != [ ] then lst else [ "empty" ];
onOff = cond: if cond then "on" else "off";
setNetworkServices = optionalString (cfg.knownNetworkServices != []) ''
networkservices=$(networksetup -listallnetworkservices)
${concatMapStringsSep "\n" (srv: ''
case "$networkservices" in
*${lib.escapeShellArg srv}*)
networksetup -setdnsservers ${lib.escapeShellArgs ([ srv ] ++ (emptyList cfg.dns))}
networksetup -setsearchdomains ${lib.escapeShellArgs ([ srv ] ++ (emptyList cfg.search))}
;;
esac
'') cfg.knownNetworkServices}
setLocations = optionalString (cfg.knownNetworkServices != [ ] && cfg.location != { }) ''
curr_location=$(networksetup -getcurrentlocation)
readarray -t curr_locations_array < <(networksetup -listlocations)
declare -A curr_locations
for location in "''${curr_locations_array[@]}"; do
curr_locations[$location]=1
done
declare -A goal_locations
for location in ${strings.escapeShellArgs (builtins.attrNames cfg.location)}; do
goal_locations[$location]=1
done
for location in "''${!goal_locations[@]}"; do
if [[ ! -v curr_locations[$location] ]]; then
networksetup -createlocation "$location" populate > /dev/null
fi
done
# switch to a location that surely does not need to be deleted
networksetup -switchtolocation ${strings.escapeShellArg (builtins.head (builtins.attrNames cfg.location))} > /dev/null
for location in "''${!curr_locations[@]}"; do
if [[ ! -v goal_locations[$location] ]]; then
networksetup -deletelocation "$location" > /dev/null
fi
done
${concatMapStringsSep "\n" (location: ''
networksetup -switchtolocation ${strings.escapeShellArg location} > /dev/null
networkservices=$(networksetup -listallnetworkservices)
${concatMapStringsSep "\n" (srv: ''
case "$networkservices" in
*${lib.escapeShellArg srv}*)
networksetup -setdnsservers ${
lib.escapeShellArgs ([ srv ] ++ (emptyList cfg.location.${location}.dns))
}
networksetup -setsearchdomains ${
lib.escapeShellArgs ([ srv ] ++ (emptyList cfg.location.${location}.search))
}
;;
esac
'') cfg.knownNetworkServices}
'') (builtins.attrNames cfg.location)}
if [[ -v goal_locations[$curr_location] ]]; then
networksetup -switchtolocation "$curr_location" > /dev/null
fi
'';
in
{
imports = [
(mkAliasOptionModule
[
"networking"
"dns"
]
[
"networking"
"location"
"Automatic"
"dns"
]
)
(mkAliasOptionModule
[
"networking"
"search"
]
[
"networking"
"location"
"Automatic"
"search"
]
)
];
options = {
networking.computerName = mkOption {
type = types.nullOr types.str;
@ -73,27 +141,54 @@ in
networking.knownNetworkServices = mkOption {
type = types.listOf types.str;
default = [];
example = [ "Wi-Fi" "Ethernet Adaptor" "Thunderbolt Ethernet" ];
default = [ ];
example = [
"Wi-Fi"
"Ethernet Adaptor"
"Thunderbolt Ethernet"
];
description = ''
List of networkservices that should be configured.
List of network services that should be configured.
To display a list of all the network services on the server's
hardware ports, use {command}`networksetup -listallnetworkservices`.
'';
};
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.location = mkOption {
type = types.attrsOf (
types.submodule {
options = {
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.";
search = mkOption {
type = types.listOf types.str;
default = [ ];
description = "The list of search paths used when resolving domain names.";
};
};
}
);
default = { };
description = ''
Set of network locations to configure.
By default, a system comes with a single location called "Automatic", but you can
define additional locations to switch between different network configurations.
If you define any locations here, you must also explicitly define the "Automatic"
location if you want it to exist.
'';
};
networking.wakeOnLan.enable = mkOption {
@ -110,8 +205,14 @@ in
config = {
warnings = [
(mkIf (cfg.knownNetworkServices == [] && cfg.dns != []) "networking.knownNetworkServices is empty, dns servers will not be configured.")
(mkIf (cfg.knownNetworkServices == [] && cfg.search != []) "networking.knownNetworkServices is empty, dns searchdomains will not be configured.")
(mkIf (
cfg.knownNetworkServices == [ ]
&& (builtins.any (l: l.dns != [ ]) (builtins.attrValues cfg.location))
) "networking.knownNetworkServices is empty, DNS servers will not be configured.")
(mkIf (
cfg.knownNetworkServices == [ ]
&& (builtins.any (l: l.search != [ ]) (builtins.attrValues cfg.location))
) "networking.knownNetworkServices is empty, DNS search domains will not be configured.")
];
system.activationScripts.networking.text = ''
@ -127,7 +228,7 @@ in
scutil --set LocalHostName ${escapeShellArg cfg.localHostName}
''}
${setNetworkServices}
${setLocations}
${optionalString (cfg.wakeOnLan.enable != null) ''
systemsetup -setWakeOnNetworkAccess '${onOff cfg.wakeOnLan.enable}' &> /dev/null

26
tests/networking-networkservices.nix
View file

@ -1,15 +1,35 @@
{ config, lib, ... }:
{
networking.knownNetworkServices = [ "Wi-Fi" "Thunderbolt Ethernet" ];
networking.dns = [ "8.8.8.8" "8.8.4.4" ];
networking.knownNetworkServices = [
"Wi-Fi"
"Thunderbolt Ethernet"
];
networking.dns = [
"8.8.8.8"
"8.8.4.4"
];
networking.location."Home Lab" = {
search = [ "home.lab" ];
};
test = ''
echo checking dns settings in /activate >&2
grep "networksetup -switchtolocation ${lib.escapeShellArg "Automatic"}" ${config.out}/activate
grep "networksetup -setdnsservers ${lib.escapeShellArgs [ "Wi-Fi" "8.8.8.8" "8.8.4.4" ]}" ${config.out}/activate
grep "networksetup -setdnsservers ${lib.escapeShellArgs [ "Thunderbolt Ethernet" "8.8.8.8" "8.8.4.4" ]}" ${config.out}/activate
echo checking empty searchdomain settings in /activate >&2
grep "networksetup -switchtolocation ${lib.escapeShellArg "Home Lab"}" ${config.out}/activate
grep "networksetup -setdnsservers ${lib.escapeShellArgs [ "Wi-Fi" "empty" ]}" ${config.out}/activate
grep "networksetup -setdnsservers ${lib.escapeShellArgs [ "Thunderbolt Ethernet" "empty" ]}" ${config.out}/activate
echo checking searchdomain settings in /activate >&2
grep "networksetup -setsearchdomains ${lib.escapeShellArgs [ "Wi-Fi" "empty" ]}" ${config.out}/activate
grep "networksetup -setsearchdomains ${lib.escapeShellArgs [ "Thunderbolt Ethernet" "empty" ]}" ${config.out}/activate
grep "networksetup -setsearchdomains ${lib.escapeShellArgs [ "Wi-Fi" "home.lab" ]}" ${config.out}/activate
grep "networksetup -setsearchdomains ${lib.escapeShellArgs [ "Thunderbolt Ethernet" "home.lab" ]}" ${config.out}/activate
'';
}