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nixos/wireguard: allow customizing peer unit name

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This commit is contained in:
tv 2023-05-15 12:36:00 +02:00
parent cff89b3bff
commit 50b845c5a6
1 changed files with 19 additions and 10 deletions
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29
nixos/modules/services/networking/wireguard.nix
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@ -170,10 +170,22 @@ let
# peer options
peerOpts = {
peerOpts = self: {
options = {
name = mkOption {
default =
replaceStrings
[ "/" "-" " " "+" "=" ]
[ "-" "\\x2d" "\\x20" "\\x2b" "\\x3d" ]
self.config.publicKey;
defaultText = literalExpression "publicKey";
example = "bernd";
type = types.str;
description = lib.mdDoc "Name used to derive peer unit name.";
};
publicKey = mkOption {
example = "xTIBA5rboUvnH4htodjb6e697QjLERt1NAB4mZqp8Dg=";
type = types.singleLineStr;
@ -313,15 +325,11 @@ let
'';
};
peerUnitServiceName = interfaceName: publicKey: dynamicRefreshEnabled:
peerUnitServiceName = interfaceName: peerName: dynamicRefreshEnabled:
let
keyToUnitName = replaceStrings
[ "/" "-" " " "+" "=" ]
[ "-" "\\x2d" "\\x20" "\\x2b" "\\x3d" ];
unitName = keyToUnitName publicKey;
refreshSuffix = optionalString dynamicRefreshEnabled "-refresh";
in
"wireguard-${interfaceName}-peer-${unitName}${refreshSuffix}";
"wireguard-${interfaceName}-peer-${peerName}${refreshSuffix}";
generatePeerUnit = { interfaceName, interfaceCfg, peer }:
let
@ -337,10 +345,11 @@ let
# We generate a different name (a `-refresh` suffix) when `dynamicEndpointRefreshSeconds`
# to avoid that the same service switches `Type` (`oneshot` vs `simple`),
# with the intent to make scripting more obvious.
serviceName = peerUnitServiceName interfaceName peer.publicKey dynamicRefreshEnabled;
serviceName = peerUnitServiceName interfaceName peer.name dynamicRefreshEnabled;
in nameValuePair serviceName
{
description = "WireGuard Peer - ${interfaceName} - ${peer.publicKey}";
description = "WireGuard Peer - ${interfaceName} - ${peer.name}"
+ optionalString (peer.name != peer.publicKey) " (${peer.publicKey})";
requires = [ "wireguard-${interfaceName}.service" ];
wants = [ "network-online.target" ];
after = [ "wireguard-${interfaceName}.service" "network-online.target" ];
@ -418,7 +427,7 @@ let
# the target is required to start new peer units when they are added
generateInterfaceTarget = name: values:
let
mkPeerUnit = peer: (peerUnitServiceName name peer.publicKey (peer.dynamicEndpointRefreshSeconds != 0)) + ".service";
mkPeerUnit = peer: (peerUnitServiceName name peer.name (peer.dynamicEndpointRefreshSeconds != 0)) + ".service";
in
nameValuePair "wireguard-${name}"
rec {