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|
{ flake, pkgs, lib, ... }:
with lib;
{
imports = with flake.nixosModules.systemProfiles; [
tmpfs-root qemu-guest openssh rebuild-machines zfs
./zfs.nix ./dns ./tls ./http ./bifrost ./matrix ./postgresql
./prometheus ./email ./vpn ./borg.nix ./etebase
];
config = {
nixpkgs = {
system = "x86_64-linux";
};
networking.hostId = "a64cf4d7";
environment.etc."machine-id".text = "a64cf4d793ab0a0ed3892ead609fc0bc";
boot = {
loader.grub = {
enable = true;
configurationLimit = 7;
version = 2;
device = "/dev/vda";
};
tmpOnTmpfs = true;
zfs.devNodes = "/dev"; # /dev/vda2 does not show up in /dev/disk/by-id
kernelModules = ["ptp_kvm"];
};
fileSystems = {
"/boot" =
{ device = "/dev/disk/by-label/boot";
fsType = "vfat";
};
};
networking = {
hostName = "surtr";
domain = "yggdrasil";
search = [ "yggdrasil" ];
enableIPv6 = true;
dhcpcd.enable = false;
useDHCP = false;
useNetworkd = true;
defaultGateway = { address = "202.61.240.1"; };
defaultGateway6 = { address = "fe80::1"; };
interfaces."ens3" = {
ipv4.addresses = [
{ address = "202.61.241.61"; prefixLength = 22; }
];
ipv6.addresses = [
# { address = "2a03:4000:52:ada:98e7:16ff:feba:7a2e"; prefixLength = 128; }
{ address = "2a03:4000:52:ada::"; prefixLength = 96; }
];
};
firewall.enable = false;
nftables = {
enable = true;
rulesetFile = ./ruleset.nft;
};
};
systemd.network = {
networks = {
"40-ens3".networkConfig = {
Domains = mkForce "~.";
DNS = [ "127.0.0.1:5353" "[::1]:5353" ];
# DNSSEC = true;
# DNS = [ "46.38.225.230" "46.38.252.230" "2a03:4000:0:1::e1e6" "2a03:4000:8000::fce6" ];
};
};
};
services.resolved = {
llmnr = "false";
dnssec = "false"; # unbound does dnssec validation for us
};
services.ndppd = {
enable = true;
proxies = {
ens3 = {
router = false;
rules = {
"2a03:4000:20:259::/64" = {
method = "static";
};
"2a03:4000:52:ada::/64" = {
method = "static";
};
};
};
};
};
boot.kernel.sysctl = {
"net.ipv6.conf.all.forwarding" = true;
"net.ipv6.conf.default.forwarding" = true;
"net.ipv4.conf.all.forwarding" = true;
"net.ipv4.conf.default.forwarding" = true;
};
services.timesyncd.enable = false;
services.chrony = {
enable = true;
servers = [];
extraConfig = ''
pool time.cloudflare.com iburst nts
pool nts.ntp.se iburst nts
server nts.sth1.ntp.se iburst nts
server nts.sth2.ntp.se iburst nts
server ptbtime1.ptb.de iburst nts
server ptbtime2.ptb.de iburst nts
server ptbtime3.ptb.de iburst nts
refclock PHC /dev/ptp_kvm poll 2 dpoll -2 offset 0 stratum 3
leapsectz right/UTC
makestep 0.1 3
cmdport 0
'';
};
systemd.services.chronyd.serviceConfig = {
PrivateDevices = mkForce false;
};
services.openssh = {
enable = true;
passwordAuthentication = false;
kbdInteractiveAuthentication = false;
extraConfig = ''
AllowGroups ssh
'';
};
users.groups."ssh" = {
members = ["root"];
};
nix.gc = {
automatic = true;
options = "--delete-older-than 30d";
};
security.dhparams = {
enable = true;
defaultBitSize = 4096;
params = {
nginx = {};
coturn = {};
};
stateful = true;
};
system.stateVersion = "20.09";
};
}
|
