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hosts/plover/services/networking: init additional options

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Exclusively focusing on the public network interface for now.
This commit is contained in:
Gabriel Arazas 2024-10-10 12:34:13 +08:00
parent 0af5f487d7
commit 2bee747b2f
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GPG Key ID: 62104B43D00AA360
2 changed files with 71 additions and 56 deletions
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6
configs/nixos/plover/default.nix
View File

@ -18,7 +18,11 @@
# Host-specific modules structuring.
hosts.plover.services = {
networking.enable = true;
networking = {
enable = true;
macAddress = "96:00:03:c3:99:93";
};
backup.enable = true;
database.enable = true;
firewall.enable = true;

121
configs/nixos/plover/modules/services/networking.nix
View File

@ -10,8 +10,26 @@ let
inherit (config.state.network) interfaces;
in
{
options.hosts.plover.services.networking.enable =
lib.mkEnableOption "preferred networking setup";
options.hosts.plover.services.networking = {
enable = lib.mkEnableOption "preferred networking setup";
restrictLocalOnWAN = lib.mkOption {
type = lib.types.bool;
default = true;
example = false;
description = ''
Whether to disable local networking on the public-facing network
interface. The recommended practice for this is to create another
network interface with the local network.
'';
};
macAddress = lib.mkOption {
type = lib.types.nonEmptyStr;
description = "MAC address of the public-facing network interface";
example = "00:00:00:00:c3:54:93";
};
};
config = lib.mkIf cfg.enable {
networking = {
@ -52,68 +70,61 @@ in
"10-wan" = let
inherit (interfaces) wan;
in {
matchConfig.Name = lib.concatStringsSep " " mainEthernetInterfaceNames;
# Setting up IPv6.
address = [
"${wan.ipv4}/32"
"${wan.ipv6}/64"
];
gateway = [ wan.ipv6Gateway ];
dns = [
"185.12.64.1"
"185.12.64.2"
"2a01:4ff:ff00::add:2"
"2a01:4ff:ff00::add:1"
]
++ lib.optionals hostCfg.services.dns-server.enable [
wan.ipv4
wan.ipv6
];
# Setting up some other networking thingy.
domains = [ config.networking.domain ];
routes = lib.singleton {
Gateway = wan.ipv4Gateway;
GatewayOnLink = true;
matchConfig = {
Name = lib.concatStringsSep " " mainEthernetInterfaceNames;
PermanentMACAddress = cfg.macAddress;
};
linkConfig.RequiredForOnline = "routable";
};
networkConfig = {
DHCP = "ipv4";
LinkLocalAddressing = "ipv6";
IPv6AcceptRA = true;
};
# The interface for our LAN.
"20-lan" = let
inherit (interfaces) lan;
in {
matchConfig.Name = lib.concatStringsSep " " internalEthernetInterfaceNames;
dhcpV4Config = {
RouteMetric = 100;
UseMTU = true;
};
# Take note of the private subnets set in your Hetzner Cloud instance
# (at least for IPv4 addresses)..
address = [
"${lan.ipv4}/16"
"${lan.ipv6}/64"
];
# Using the authoritative DNS server to enable accessing them nice
# internal services with domain names.
address = [ "${wan.ipv6}/64" ];
dns = [
lan.ipv4
lan.ipv6
"2a01:4ff:ff00::add:2"
"2a01:4ff:ff00::add:1"
];
# Force our own internal domain to be used in the system.
domains = [ config.networking.fqdn ];
routes = [
{
Gateway = wan.ipv4Gateway;
GatewayOnLink = true;
}
# Use the gateway to enable resolution of external domains.
gateway = [
lan.ipv4Gateway
lan.ipv6Gateway
];
{
Gateway = wan.ipv6Gateway;
GatewayOnLink = true;
}
]
++ lib.optionals cfg.restrictLocalOnWAN [
{
Destination = "176.16.0.0/12";
Type = "unreachable";
}
{
Destination = "10.0.0.0/8";
Type = "unreachable";
}
{
Destination = "192.168.0.0/16";
Type = "unreachable";
}
{
Destination = "fc00::/7";
Type = "unreachable";
}
];
networkConfig.IPv6AcceptRA = true;
linkConfig.RequiredForOnline = "routable";
};
};