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{ config, lib, pkgs, ... }:
{
containers.riot = {
config = {
environment.systemPackages = [
pkgs.dhcpcd
pkgs.git
pkgs.jq
];
networking.useDHCP = lib.mkForce true;
networking.firewall.enable = false;
systemd.services.autoswitch = {
environment = {
NIX_REMOTE = "daemon";
};
wantedBy = [ "multi-user.target" ];
serviceConfig.ExecStart = pkgs.writers.writeDash "autoswitch" ''
set -efu
if test -e /var/src/nixos-config; then
/run/current-system/sw/bin/nixos-rebuild -I /var/src switch || :
fi
'';
unitConfig.X-StopOnRemoval = false;
};
};
autoStart = true;
enableTun = true;
privateNetwork = true;
hostAddress = "10.233.1.1";
localAddress = "10.233.1.2";
forwardPorts = [
{ hostPort = 45622; containerPort = 22; }
];
};
systemd.network.networks."50-ve-riot" = {
matchConfig.Name = "ve-riot";
networkConfig = {
IPForward = "yes";
# weirdly we have to use POSTROUTING MASQUERADE here
# IPMasquerade = "both";
LinkLocalAddressing = "no";
KeepConfiguration = "static";
};
};
# networking.nat can be used instead of this
krebs.iptables.tables.nat.POSTROUTING.rules = [
{ v6 = false; predicate = "-s ${config.containers.riot.localAddress}"; target = "MASQUERADE"; }
];
krebs.iptables.tables.filter.FORWARD.rules = [
{ predicate = "-i ve-riot"; target = "ACCEPT"; }
{ predicate = "-o ve-riot"; target = "ACCEPT"; }
];
}
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