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fix(mesh): create heather identity interface with systemd

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mikl 2026-08-03 00:36:52 +03:00
parent 55bb222eb5
commit 9abae8d2f5
1 changed files with 18 additions and 3 deletions
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21
hosts/heather/default.nix
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@ -27,10 +27,25 @@
# The private key is generated on the live host and stays outside the flake.
environment.systemPackages = [ pkgs.wireguard-tools ];
systemd.network.netdevs."10-mesh0" = {
netdevConfig = { Name = "mesh0"; Kind = "dummy"; };
# NixOS uses scripted networking here (not systemd-networkd), so create the
# dummy identity interface through a small idempotent systemd unit.
systemd.services.mesh-identity = {
description = "Create mesh identity interface";
wantedBy = [ "network.target" ];
after = [ "wireguard-wg-mesh.service" "network-addresses-wg-mesh.service" ];
wants = [ "wireguard-wg-mesh.service" ];
serviceConfig = {
Type = "oneshot";
RemainAfterExit = true;
ExecStart = pkgs.writeShellScript "mesh-identity-up" ''
set -eu
${pkgs.iproute2}/bin/ip link show mesh0 >/dev/null 2>&1 || ${pkgs.iproute2}/bin/ip link add mesh0 type dummy
${pkgs.iproute2}/bin/ip addr replace 10.0.0.1/32 dev mesh0
${pkgs.iproute2}/bin/ip link set mesh0 up
'';
ExecStop = "${pkgs.iproute2}/bin/ip link del mesh0";
};
};
networking.interfaces.mesh0.ipv4.addresses = [ { address = "10.0.0.1"; prefixLength = 32; } ];
networking.wireguard.interfaces.wg-mesh = {
ips = [ "10.99.0.1/30" ];