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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
## Uplink
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networking.interfaces.enp1s0.useDHCP = true;
## Local Network
networking.interfaces.enp2s0.ipv6.addresses = [
{ address = "fd00:152:152:4::1"; prefixLength = 64; }
{ address = "2a01:4f8:1c0c:8221::1"; prefixLength = 64; } # public IPs for local network
];
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-gatekeeper4 = {
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ips = [ "fe80::127:2/64" "169.254.127.2/24" ];
peers = [ {
allowedIPs = [ "0.0.0.0/0" "::/0" ];
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endpoint = "78.47.183.82:50127";
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publicKey = "y+Bk5eIHgmnq9xuBDD+fk/OIkKRZU6AE4ISx4RdDDyg=";
persistentKeepalive = 25;
} ];
allowedIPsAsRoutes = false;
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privateKeyFile = "/var/src/secrets/wireguard/wg-gatekeeper4";
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};
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wg-porter4 = {
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ips = [ "fe80::138:2/64" "169.254.138.2/24" ];
peers = [ {
allowedIPs = [ "0.0.0.0/0" "::/0" ];
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endpoint = "188.34.158.206:50138";
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publicKey = "aP6optNE7nVk6coo+USkSDtB62rAc/isfofRML9V2HM=";
persistentKeepalive = 25;
} ];
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allowedIPsAsRoutes = false;
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privateKeyFile = "/var/src/secrets/wireguard/wg-porter4";
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};
};
clerie.gre-tunnel = {
enable = true;
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ipv6= {
gre-gatekeeper6 = {
remote = "fd00:152:152:101::1";
local = (lib.head config.networking.interfaces.lo.ipv6.addresses).address;
address = "fd00:153:153:201::2/64";
};
};
ipv4 = {
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gre-gatekeeper4 = {
remote = "10.152.101.1";
local = (lib.head config.networking.interfaces.lo.ipv4.addresses).address;
address = "10.153.201.2/24";
};
};
};
# Routing tables
# Table: 10000
# - primary routes
# Table: 11000
# - ospf routes
# Table: 20101
# - default route to gatekeeper
#
# We will never use main table anymore
petabyte.policyrouting = {
enable = true;
rules6 = [
# main routes first except default route
{ rule = "lookup main suppress_prefixlength 0"; prio = 10000; }
# Prefixes defaulting to gatekeeper
{ rule = "from 2a01:4f8:1c0c:8221::/64 lookup 20101"; prio = 20000; }
{ rule = "from 2a01:4f8:1c0c:8221::/64 unreachable"; prio = 20001; }
# Everything else defaulting to main table after this
];
rules4 = [
# main routes first except default route
{ rule = "lookup main suppress_prefixlength 0"; prio = 10000; }
# Prefixes defaulting to gatekeeper
#{ rule = "from xxx lookup 20101"; prio = 20000; }
# Everything else defaulting to main table after this
];
};
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services.bird2.enable = true;
services.bird2.config = ''
router id ${ (lib.head config.networking.interfaces.lo.ipv4.addresses).address };
ipv6 table gatekeeper6;
ipv4 table gatekeeper4;
protocol static static_gatekeeper_6 {
ipv6 {
table gatekeeper6;
};
route ::/0 via fd00:153:153:201::1;
}
protocol static static_gatekeeper_4 {
ipv4 {
table gatekeeper4;
};
route 0.0.0.0/0 via 10.153.201.1;
}
protocol kernel kernel_gatekeeper_6 {
ipv6 {
table gatekeeper6;
export filter {
krt_prefsrc=${ (lib.head config.networking.interfaces.lo.ipv6.addresses).address };
accept;
};
import none;
};
kernel table 20101;
}
protocol kernel kernel_gatekeeper_4 {
ipv4 {
table gatekeeper4;
export filter {
krt_prefsrc=${ (lib.head config.networking.interfaces.lo.ipv4.addresses).address };
accept;
};
import none;
};
kernel table 20101;
}
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ipv6 table ospf6;
ipv4 table ospf4;
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protocol direct direct_lo {
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interface "lo";
ipv6 {
table ospf6;
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};
ipv4 {
table ospf4;
};
}
protocol direct direct_enp2s0 {
interface "enp2s0";
ipv6 {
table ospf6;
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};
ipv4 {
table ospf4;
};
}
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protocol kernel kernel_ospf6 {
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ipv6 {
table ospf6;
export filter {
krt_prefsrc=${ (lib.head config.networking.interfaces.lo.ipv6.addresses).address };
accept;
};
import none;
};
}
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protocol kernel kernel_ospf4 {
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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 {
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interface "wg-gatekeeper4" {
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cost 80;
type pointopoint;
};
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interface "wg-porter4" {
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cost 80;
type pointopoint;
};
};
}
protocol ospf v3 ospf_4 {
ipv4 {
table ospf4;
import all;
export all;
};
area 0 {
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interface "wg-gatekeeper4" {
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cost 80;
type pointopoint;
};
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interface "wg-porter4" {
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cost 80;
type pointopoint;
};
};
}
protocol device {
scan time 10;
}
'';
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system.stateVersion = "21.03";
}