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1{ self, config, lib, pkgs, ... }: let
2 domains = [
3 "hackerfleet.eu"
4 "hackerfleet.de"
5 ];
6in {
7 imports = [
8 self.inputs.stockholm.nixosModules.exim-smarthost
9 ];
10 containers.riot = {
11 config = {
12 environment.systemPackages = [
13 pkgs.git
14 pkgs.jq
15 ];
16 services.openssh.enable = true;
17 users.users.root.openssh.authorizedKeys.keys = [
18 "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC6o6sdTu/CX1LW2Ff5bNDqGEAGwAsjf0iIe5DCdC7YikCct+7x4LTXxY+nDlPMeGcOF88X9/qFwdyh+9E4g0nUAZaeL14Uc14QDqDt/aiKjIXXTepxE/i4JD9YbTqStAnA/HYAExU15yqgUdj2dnHu7OZcGxk0ZR1OY18yclXq7Rq0Fd3pN3lPP1T4QHM9w66r83yJdFV9szvu5ral3/QuxQnCNohTkR6LoJ4Ny2RbMPTRtb+jPbTQYTWUWwV69mB8ot5nRTP4MRM9pu7vnoPF4I2S5DvSnx4C5zdKzsb7zmIvD4AmptZLrXj4UXUf00Xf7Js5W100Ne2yhYyhq+35 riot@lagrange"
19 ];
20 networking.defaultGateway = "10.233.1.1";
21 systemd.services.autoswitch = {
22 environment = {
23 NIX_REMOTE = "daemon";
24 };
25 wantedBy = [ "multi-user.target" ];
26 serviceConfig.ExecStart = pkgs.writers.writeDash "autoswitch" ''
27 set -efu
28 if test -e /etc/nixos/configuration.nix; then
29 /run/current-system/sw/bin/nixos-rebuild switch \
30 -I nixpkgs=channel:$(cat /etc/nixos/channel) \
31 -I nixos-config=/etc/nixos/configuration.nix \
32 || :
33 fi
34 '';
35 unitConfig.X-StopOnRemoval = false;
36 };
37 };
38 autoStart = true;
39 enableTun = true;
40 privateNetwork = true;
41 hostAddress = "10.233.1.1";
42 localAddress = "10.233.1.2";
43 };
44 systemd.services."container@riot".restartIfChanged = lib.mkForce false;
45
46 systemd.network.networks."50-ve-riot" = {
47 matchConfig.Name = "ve-riot";
48
49 networkConfig = {
50 # weirdly we have to use POSTROUTING MASQUERADE here
51 # and set ip_forward manually
52 # IPForward = "yes";
53 # IPMasquerade = "both";
54 LinkLocalAddressing = "no";
55 KeepConfiguration = "static";
56 };
57 };
58
59 boot.kernel.sysctl."net.ipv4.ip_forward" = lib.mkDefault 1;
60
61 krebs.iptables.tables.nat.POSTROUTING.rules = [
62 { v6 = false; predicate = "-s ${config.containers.riot.localAddress}"; target = "MASQUERADE"; }
63 ];
64
65 # networking.nat can be used instead of this
66 krebs.iptables.tables.nat.PREROUTING.rules = [
67 { predicate = "-p tcp --dport 45622"; target = "DNAT --to-destination ${config.containers.riot.localAddress}:22"; v6 = false; }
68 ];
69 krebs.iptables.tables.filter.FORWARD.rules = [
70 { predicate = "-i ve-riot"; target = "ACCEPT"; }
71 { predicate = "-o ve-riot"; target = "ACCEPT"; }
72 ];
73
74
75 # non container stuff
76
77 services.nginx.virtualHosts.riot = {
78 serverName = null;
79 serverAliases = domains;
80 };
81
82 krebs.exim-smarthost.extraRouters = ''
83 forward_riot:
84 driver = manualroute
85 domains = ${lib.concatStringsSep ":" domains}
86 transport = remote_smtp
87 route_list = * riot
88 no_more
89 '';
90}