nixos/machines/skynet.nix
2023-09-04 18:31:40 +00:00

110 lines
2.6 KiB
Nix

/*
Name: https://en.wikipedia.org/wiki/Skynet_(Terminator)
Why: Skynet is eternal
Type: VM
Hardware: -
From: 2023
Role: Webserver and member linux box
Notes:
*/
{ pkgs, lib, nodes, inputs, ... }:
let
# name of the server, sets teh hostname and record for it
name = "skynet";
# DMZ that ITD provided
ip_pub = "193.1.96.165";
ip_priv = "193.1.99.79";
hostname = "${name}.skynet.ie";
hostname_int = "${name}.int.skynet.ie";
in {
imports = [
../applications/skynet.ie.nix
];
deployment = {
targetHost = ip_priv;
targetPort = 22;
targetUser = "root";
tags = [ "active-core" ];
};
# it has two network devices so two
skynet_dns.records = [
#{record=name; r_type="A"; value=ip_pub; server=true;}
{record=name; r_type="A"; value=ip_priv; server=true; }
{record="ext"; r_type="A"; value=ip_pub; server=false;}
{record="${name}.int"; r_type="A"; value=ip_priv; server=true;}
{record=ip_priv; r_type="PTR"; value=hostname_int;}
];
services.skynet_backup = {
host = {
ip = ip_priv;
name = name;
};
};
# allow more than admins access
services.skynet_ldap_client = {
groups = [
"skynet-admins-linux"
"skynet-users-linux"
];
};
proxmoxLXC.manageNetwork = true;
networking.hostName = name;
networking.interfaces = {
eth0.ipv4.addresses = [
{
address = ip_priv;
prefixLength = 26;
}
];
eth1.ipv4.addresses = [
{
address = ip_pub;
prefixLength = 28;
}
];
};
services.skynet = {
host = {
ip = ip_priv;
name = name;
};
};
# from https://discourse.nixos.org/t/second-default-gateway/22220/5 and https://www.thomas-krenn.com/en/wiki/Two_Default_Gateways_on_One_System
networking = {
iproute2 = {
enable = true;
rttablesExtraConfig =
''1 rt2'';
};
};
systemd.services.secondGateway = {
description = "External route.";
path = [pkgs.bash pkgs.iproute];
script = ''
ip route add 193.1.96.160/28 dev eth1 src 193.1.96.165 table rt2
ip route add default via 193.1.96.161 dev eth1 table rt2
ip rule add from 193.1.96.165/28 table rt2
ip rule add to 193.1.96.165/28 table rt2
'';
serviceConfig = {
Type= "oneshot";
User = "root";
Restart = "no";
};
};
}