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nixos/wireguard: extract common env for ip route to variable

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This commit is contained in:
Dmitriy Pleshevskiy 2025-01-31 20:17:23 +03:00
parent f8dcf9d781
commit 5b464b4ebd
Signed by: pleshevskiy
GPG key ID: 17041163DA10A9A2
1 changed files with 7 additions and 8 deletions

15
modules/nixos/services/vpn/wireguard/client.nix
View file

@ -4,6 +4,11 @@ let
cfg = config.local.services.vpn.wireguard;
addrsViaDefaultInterface = import ./defaultInterfaceAddrs.secret.nix;
ipRouteParams = ''
addr=`${pkgs.iproute2}/bin/ip route | ${pkgs.gawk}/bin/awk '/default/ {print $3; exit}'`
interface=`${pkgs.iproute2}/bin/ip route | ${pkgs.gawk}/bin/awk '/default/ {print $5; exit}'`
'';
in
{
options.local.services.vpn.wireguard = with lib; {
@ -45,18 +50,12 @@ in
# Path to the private key file.
privateKeyFile = cfg.privateKeyFile;
postUp = ''
addr=`${pkgs.iproute2}/bin/ip route | ${pkgs.gawk}/bin/awk '/default/ {print $3; exit}'`
interface=`${pkgs.iproute2}/bin/ip route | ${pkgs.gawk}/bin/awk '/default/ {print $5; exit}'`
'' + lib.concatLines (map
postUp = ipRouteParams + lib.concatLines (map
(addr: "${pkgs.iproute2}/bin/ip route add ${addr} via $addr dev $interface || true")
addrsViaDefaultInterface
);
preDown = ''
addr=`${pkgs.iproute2}/bin/ip route | ${pkgs.gawk}/bin/awk '/default/ {print $3; exit}'`
interface=`${pkgs.iproute2}/bin/ip route | ${pkgs.gawk}/bin/awk '/default/ {print $5; exit}'`
'' + lib.concatLines (map
preDown = ipRouteParams + lib.concatLines (map
(addr: "${pkgs.iproute2}/bin/ip route del ${addr} via $addr dev $interface || true")
addrsViaDefaultInterface
);