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Add custom DNS and tailscale routes

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This commit is contained in:
Johannes Rothe 2025-03-23 21:24:14 +01:00
parent cf2bc3a764
commit 0960e0eebf
1 changed files with 19 additions and 0 deletions
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19
hosts/dalinar/default.nix
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@ -24,6 +24,8 @@
device = lib.mkForce "/dev/disk/by-uuid/26973b85-9c65-488b-93fb-8992ea0f8d50";
crypttabExtraOpts = [ "tpm2-device=auto" ];
};
# Required for subnet route advertising in Tailscale
kernel.sysctl."net.ipv4.ip_forward" = 1;
# Required for ZFS, see https://openzfs.github.io/openzfs-docs/Getting%20Started/NixOS/index.html
supportedFilesystems = [ "zfs" ];
zfs = {
@ -69,6 +71,7 @@
users.users.root.hashedPassword = "$6$JdgM.TQt0/0988od$yPVgGZ5zu6HjG.sVjzEWJBm4L7XEReuplrqLRekPq/GrAyk5GrFmPM9hdzrmD28PDX9AtxaClYM5emsJ75YfJ0";
environment.systemPackages = with pkgs; [
ethtool
htop
sbctl
tmux
@ -81,6 +84,15 @@
programs.neovim.enable = true;
services.tailscale.enable = true;
services.networkd-dispatcher = {
enable = true;
rules."50-tailscale" = {
onState = ["routable"];
script = ''
${pkgs.ethtool}/bin/ethtool -K eno1 rx-udp-gro-forwarding on rx-gro-list off
'';
};
};
services.zfs.autoScrub.enable = true;
@ -128,6 +140,13 @@
];
clientGroupsBlock.default = [ "ads" ];
};
customDNS = {
mapping = {
# This mapping is recursive so foo.dalinar.home.johannes-rothe.de also resolves
"dalinar.home.johannes-rothe.de" = "172.16.0.2";
"base.home.johannes-rothe.de" = "172.16.0.3";
};
};
ports = {
dns = 53;
http = 4000; # port for prometheus metrics