Files
nixos-config/machine/vps.nix
Alexander Szczepanski 527b387c2e added etesync
2021-12-02 08:42:29 +01:00

141 lines
3.7 KiB
Nix

{ config, lib, pkgs, ... }:
let
secrets-desktop = import ../configs/secrets-desktop.nix;
secrets = import ../configs/secrets.nix;
be = import ../configs/borg-exclude.nix;
in
{
imports =
[
/etc/nixos/hardware-configuration.nix
../configs/common.nix
../configs/docker.nix
../configs/user.nix
];
# Use the GRUB 2 boot loader.
boot.loader.grub.enable = true;
boot.loader.grub.version = 2;
boot.loader.grub.device = "/dev/sda"; # or "nodev" for efi only
networking.hostName = "vps"; # Define your hostname.
# Set your time zone.
time.timeZone = "Europe/Berlin";
networking = {
useDHCP = false;
# defaultGateway = {
# "address" = "gw.contabo.net";
# "interface" = "ens18";
# };
interfaces.ens18 = {
useDHCP = true;
# ipv4.addresses = [ {
# address = "207.180.220.97";
# prefixLength = 24;
# } ];
ipv6.addresses = [ {
address = "2a02:c207:3008:1547::1";
prefixLength = 64;
} ];
};
wireguard.interfaces = {
wg0 = {
ips = [ "10.100.0.1/24" ];
listenPort = 51820;
postSetup = ''
${pkgs.iptables}/bin/iptables -t nat -A POSTROUTING -s 10.100.0.0/24 -o ens3 -j MASQUERADE
'';
postShutdown = ''
${pkgs.iptables}/bin/iptables -t nat -D POSTROUTING -s 10.100.0.0/24 -o ens3 -j MASQUERADE
'';
privateKey = secrets.wireguard-vps-private;
peers = [{
publicKey = secrets.wireguard-desktop-public;
presharedKey = secrets.wireguard-preshared;
allowedIPs = [ "10.100.0.2/32" ];
}
{
publicKey = secrets.wireguard-mini-public;
presharedKey = secrets.wireguard-preshared;
allowedIPs = [ "10.100.0.3/32" ];
}];
};
};
nat = {
enable = true;
externalInterface = "ens18";
internalInterfaces = [ "wg0" ];
};
firewall = {
allowedTCPPorts = [ 80 443 22000 ];
allowedUDPPorts = [ 80 443 51820 ];
interfaces.wg0 = {
allowedTCPPorts = [ 61208 19999 ];
};
# extraCommands = ''
# iptables -A nixos-fw -p tcp --source 10.100.0.0/24 --dport 19999:19999 -j nixos-fw-accept
# '';
};
};
programs.mtr.enable = true;
security.acme.email = "webmaster@szczepan.ski";
security.acme.acceptTerms = true;
services = {
fail2ban = {
enable = true;
jails.DEFAULT =
''
bantime = 7d
'';
jails.sshd =
''
filter = sshd
maxretry = 4
action = iptables[name=ssh, port=ssh, protocol=tcp]
enabled = true
'';
};
netdata.enable = true;
syncthing = {
user = "alex";
group = "users";
enable = true;
dataDir = "/home/alex";
configDir = "/home/alex/.config/syncthing";
};
borgbackup.jobs.home = rec {
compression = "auto,zstd";
encryption = {
mode = "repokey-blake2" ;
passphrase = secrets-desktop.borg-key;
};
extraCreateArgs = "--list --stats --verbose --checkpoint-interval 600 --exclude-caches";
environment.BORG_RSH = "ssh -i /home/alex/.ssh/id_borg_rsa";
paths = "/home/alex";
repo = "ssh://u278697-sub3@u278697.your-storagebox.de:23/./borg";
startAt = "daily";
# user = "alex";
prune.keep = {
daily = 7;
weekly = 4;
monthly = 6;
};
extraPruneArgs = "--save-space --list --stats";
exclude = map (x: paths + "/" + x) be.borg-exclude;
};
};
# Limit stack size to reduce memory usage
systemd.services.fail2ban.serviceConfig.LimitSTACK = 256 * 1024;
system.stateVersion = "21.05";
}