os/hosts/frikandel/wireguard.nix

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{
flake,
config,
pkgs,
lib,
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...
}: with lib; {
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age.secrets.wg-private-key-server.file = "${flake.self}/secrets/wg-private-frikandel-server.age";
boot.kernel.sysctl = {
"net.ipv4.ip_forward" = 1;
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"net.ipv6.conf.wg0.forwarding" = 1;
"net.ipv6.conf.wg0.accept_ra" = 1;
"net.ipv6.conf.wg0.accept_ra_pinfo" = 1;
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};
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networking.nat = {
enable = true;
enableIPv6 = true;
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internalInterfaces = [ "wg0" ];
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};
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networking.firewall.allowedUDPPorts = [ 51899 ];
networking.firewall.extraForwardRules = [
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"iifname { != wg0 } reject"
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"iifname wg0 accept"
];
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systemd.services.wg-quick-wg0 = {
after = [
"network.target"
"network-online.target"
"nss-lookup.target"
];
serviceConfig = {
Type = mkForce "simple";
Restart = "on-failure";
RestartSec = "30";
};
environment = {
WG_ENDPOINT_RESOLUTION_RETRIES = "infinity";
};
};
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# Enable WireGuard
networking.wg-quick.interfaces = {
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wg0 = {
listenPort = 51899;
address = [
"10.0.1.7/32"
"fd00:b12f:acab:1312:acab:7::/96"
];
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privateKeyFile = "/run/agenix/wg-private-key-server";
peers = [
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{ # pie
publicKey = "hPTXEqQ2GYEywdPNdZBacwB9KKcoFZ/heClxnqmizyw=";
allowedIPs = [
"10.0.1.2/32"
"fd00:b12f:acab:1312:acab:2::/96"
];
endpoint = "pie-wg.b12f.io:51899";
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persistentKeepalive = 25;
}
{ # droppie
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publicKey = "qsnBMoj9Z16D8PJ5ummRtIfT5AiMpoF3SoOCo4sbyiw=";
allowedIPs = [
"10.0.1.3/32"
"fd00:b12f:acab:1312:acab:3::/96"
];
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persistentKeepalive = 25;
}
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{ # chocolatebar
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publicKey = "nk8EtGE/QsnSEm1lhLS3/w83nOBD2OGYhODIf92G91A=";
allowedIPs = [
"10.0.1.5/32"
"fd00:b12f:acab:1312:acab:5::/96"
];
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persistentKeepalive = 25;
}
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{ # biolimo
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publicKey = "4ymN7wwBuhF+h+5fFN0TqXmVyOe1AsWiTqRL0jJ3CDc=";
allowedIPs = [
"10.0.1.6/32"
"fd00:b12f:acab:1312:acab:6::/96"
];
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persistentKeepalive = 25;
}
];
};
};
}