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Nix

/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
{lib, devNameMethod ? "short", ...}@inputs: keyProviders: intermediateConfig: localPeerName:
let wnlib = import ../lib.nix {inherit lib;}; in
with wnlib;
with lib;
let
thisPeer = intermediateConfig.peers."${localPeerName}";
# these aren't really important, I just wanted to reverse the argument order
forEachAttr' = flip mapAttrs';
forEachAttrToList = flip mapAttrsToList;
devName = getDevName devNameMethod localPeerName;
in
with getKeyProviderFuncs keyProviders inputs intermediateConfig localPeerName;
{
networking.hosts = foldl' (mergeAttrs) {} (concatLists ( concatLists (forEachAttrToList thisPeer.subnetConnections (subnetName: subnetConnection:
forEachAttrToList subnetConnection.peerConnections (remotePeerName: peerConnection: forEach peerConnection.ipAddresses (ip: {"${asIp ip}" = ["${remotePeerName}.${subnetName}"];}))
))));
systemd.network = {
netdevs = forEachAttr' thisPeer.subnetConnections (subnetName: subnetConnection: nameValuePair "50-${devName subnetName}" {
netdevConfig = {
Kind = "wireguard";
Name = "${devName subnetName}";
};
wireguardConfig = {
ListenPort = subnetConnection.listenPort;
PrivateKeyFile = getPrivKeyFile;
};
wireguardPeers = forEachAttrToList subnetConnection.peerConnections (remotePeerName: peerConnection: {
wireguardPeerConfig = {
Endpoint = "${peerConnection.endpoint.ip}:${builtins.toString peerConnection.endpoint.port}";
PublicKey = getPeerPubKey remotePeerName;
AllowedIPs = map (ip: asCidr ip) peerConnection.ipAddresses;
PresharedKeyFile = getSubnetPSKFile subnetName;
};
}
// (if peerConnection.endpoint ? persistentKeepalive then {PersistentKeepalive = peerConnection.endpoint.persistentKeepalive;} else {})
// (warnIf (peerConnection.endpoint ? dynamicEndpointRefreshSeconds) "dynamicEndpointRefreshSeconds not supported for networkd" {})
// (warnIf (peerConnection.endpoint ? dynamicEndpointRefreshRestartSeconds) "dynamicEndpointRefreshRestartSeconds not supported for networkd" {})
);
});
};
} // getProviderConfig