nix/nixos/hosts/osaka-vultr-01/default.nix

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{ config, lib, pkgs, modulesPath, desktop, username, ... }: {
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imports = [
./disks.nix
];
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nixpkgs.config.allowUnfree = false;
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boot.initrd.availableKernelModules = [ "ata_piix" "ohci_pci" "virtio_pci" "virtio_blk" "sr_mod" ];
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boot.initrd.kernelModules = [ ];
boot.kernelModules = [ ];
boot.extraModulePackages = [ ];
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virtualisation.hypervGuest.enable = true;
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networking.useDHCP = lib.mkDefault true;
nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
time.timeZone = "Asia/Tokyo";
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networking.hostName = "osaka-vultr-01";
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networking.firewall.allowedTCPPorts = [ 22 ];
networking.firewall.allowedUDPPorts = [ 51820 ];
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# Set up the secrets file:
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sops.secrets."wireguard_keys/osaka-vultr-01" = {
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owner = "root";
sopsFile = ../../../secrets/wireguard.yaml;
};
# Wireguard Forwarder
boot.kernel.sysctl = { "net.ipv4.ip_forward" = true; };
networking.wireguard = {
enable = true;
interfaces = {
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"wireguard0" = {
ips = [ "10.100.0.1/24 "];
listenPort = 51820;
postSetup = ''${pkgs.iptables}/bin/iptables -t nat -A POSTROUTING -s 10.100.0.0/24 -o eno3 -j MASQUERADE'';
postShutdown = ''${pkgs.iptables}/bin/iptables -t nat -D POSTROUTING -s 10.100.0.0/24 -o eno3 -j MASQUERADE'';
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privateKeyFile = "/run/secrets/wireguard_keys/osaka-vultr-01";
# Testing
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peers = [
{ # nixos-rpi4-01
publicKey = "";
allowedIPs = [ "10.100.0.2/32" ];
persistentKeepalive = 5;
}
];
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};
};
};
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}