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{ config, lib, pkgs, ... }:
{
containers.riot = {
config = {
environment.systemPackages = [
pkgs.dhcpcd
pkgs.git
pkgs.jq
];
services.openssh.enable = true;
users.users.root.openssh.authorizedKeys.keys = [
"ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC6o6sdTu/CX1LW2Ff5bNDqGEAGwAsjf0iIe5DCdC7YikCct+7x4LTXxY+nDlPMeGcOF88X9/qFwdyh+9E4g0nUAZaeL14Uc14QDqDt/aiKjIXXTepxE/i4JD9YbTqStAnA/HYAExU15yqgUdj2dnHu7OZcGxk0ZR1OY18yclXq7Rq0Fd3pN3lPP1T4QHM9w66r83yJdFV9szvu5ral3/QuxQnCNohTkR6LoJ4Ny2RbMPTRtb+jPbTQYTWUWwV69mB8ot5nRTP4MRM9pu7vnoPF4I2S5DvSnx4C5zdKzsb7zmIvD4AmptZLrXj4UXUf00Xf7Js5W100Ne2yhYyhq+35 riot@lagrange"
];
networking.defaultGateway = "10.233.1.1";
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";
};
systemd.network.networks."50-ve-riot" = {
matchConfig.Name = "ve-riot";
networkConfig = {
# weirdly we have to use POSTROUTING MASQUERADE here
# and set ip_forward manually
# IPForward = "yes";
# IPMasquerade = "both";
LinkLocalAddressing = "no";
KeepConfiguration = "static";
};
};
boot.kernel.sysctl."net.ipv4.ip_forward" = lib.mkDefault 1;
krebs.iptables.tables.nat.POSTROUTING.rules = [
{ v6 = false; predicate = "-s ${config.containers.riot.localAddress}"; target = "MASQUERADE"; }
];
# networking.nat can be used instead of this
krebs.iptables.tables.nat.PREROUTING.rules = [
{ predicate = "-p tcp --dport 45622"; target = "DNAT --to-destination ${config.containers.riot.localAddress}:22"; v6 = false; }
];
krebs.iptables.tables.filter.FORWARD.rules = [
{ predicate = "-i ve-riot"; target = "ACCEPT"; }
{ predicate = "-o ve-riot"; target = "ACCEPT"; }
];
}
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