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nixfiles/hosts/carbon/configuration.nix

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{ config, pkgs, lib, ... }:
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{
imports =
[
./hardware-configuration.nix
../../configuration/common
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../../configuration/router
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];
boot.kernelParams = [ "console=ttyS0,115200n8" ];
boot.loader.grub.enable = true;
boot.loader.grub.version = 2;
boot.loader.grub.device = "/dev/sda";
boot.loader.grub.extraConfig = "
serial --speed=115200 --unit=0 --word=8 --parity=no --stop=1
terminal_input serial
terminal_output serial
";
networking.hostName = "carbon";
networking.useDHCP = false;
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# Local Router IPs
networking.interfaces.lo.ipv6.addresses = [
{ address = "fd00:152:152:104::1"; prefixLength = 64; }
{ address = "fd00:152:152::1"; prefixLength = 128; } # Anycast
];
networking.interfaces.lo.ipv4.addresses = [
{ address = "10.152.104.1"; prefixLength = 24; }
{ address = "10.152.0.1"; prefixLength = 32; } # Anycast
];
# Network
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networking.interfaces.enp1s0.useDHCP = true;
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networking.interfaces.enp2s0.ipv6.addresses = [ { address = "fd00:152:152:4::1"; prefixLength = 64; } ];
networking.interfaces.enp2s0.ipv4.addresses = [ { address = "10.152.4.1"; prefixLength = 24; } ];
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networking.nat = {
enableIPv6 = true;
enable = true;
externalInterface = "enp1s0";
internalIPv6s = [ "fd00:152:152::/48" ];
internalIPs = [ "10.152.0.0/16" ];
};
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networking.wireguard.enable = true;
networking.wireguard.interfaces = {
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wg-porter = {
ips = [ "fe80::138:2/64" "169.254.138.2/24" ];
peers = [ {
allowedIPs = [ "0.0.0.0/0" "::/0" ];
endpoint = "porter.net.clerie.de:50138";
publicKey = "aP6optNE7nVk6coo+USkSDtB62rAc/isfofRML9V2HM=";
persistentKeepalive = 25;
} ];
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allowedIPsAsRoutes = false;
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privateKeyFile = "/var/src/secrets/wireguard/wg-porter";
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};
};
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petabyte.policyrouting = {
enable = true;
rules6 = [
{ rule = "from all to fd00:152:152::/48 lookup 1000"; prio = 10000; } # OSPF
{ rule = "from fd00:152:152::/48 lookup 2000"; prio = 10000; } # BGP
{ rule = "from all to fd00:152:152::/48 unreachable"; prio = 20000; }
];
rules4 = [
{ rule = "from all to 10.152.0.0/16 lookup 1000"; prio = 10000; } # OSPF
{ rule = "from 10.152.0.0/16 lookup 2000"; prio = 10000; } # BGP
{ rule = "from all to 10.152.0.0/16 unreachable"; prio = 20000; }
];
};
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services.bird2.enable = true;
services.bird2.config = ''
router id ${ (lib.head config.networking.interfaces.lo.ipv4.addresses).address };
ipv6 table ospf6;
ipv4 table ospf4;
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protocol direct direct_lo {
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interface "lo";
ipv6 {
table ospf6;
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};
ipv4 {
table ospf4;
};
}
protocol direct direct_enp2s0 {
interface "enp2s0";
ipv6 {
table ospf6;
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};
ipv4 {
table ospf4;
};
}
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protocol kernel kernel_ospf6 {
kernel table 1000;
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ipv6 {
table ospf6;
export filter {
krt_prefsrc=${ (lib.head config.networking.interfaces.lo.ipv6.addresses).address };
accept;
};
import none;
};
}
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protocol kernel kernel_ospf4 {
kernel table 1000;
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ipv4 {
table ospf4;
export filter {
krt_prefsrc=${ (lib.head config.networking.interfaces.lo.ipv4.addresses).address };
accept;
};
import none;
};
}
protocol ospf v3 ospf_6 {
ipv6 {
table ospf6;
import all;
export all;
};
area 0 {
interface "wg-porter" {
cost 80;
type pointopoint;
};
};
}
protocol ospf v3 ospf_4 {
ipv4 {
table ospf4;
import all;
export all;
};
area 0 {
interface "wg-porter" {
cost 80;
type pointopoint;
};
};
}
protocol device {
scan time 10;
}
'';
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system.stateVersion = "21.03";
}