tvl-depot/ops/modules/tvl-headscale.nix

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# Configuration for the coordination server for net.tvl.fyi, a
# tailscale network run using headscale.
#
# All TVL members can join this network, which provides several exit
# nodes through which traffic can be routed.
#
# The coordination server is currently run on sanduny.tvl.su. It is
# managed manually, ping somebody with access ... for access.
#
# Servers should join using approximately this command:
# tailscale up --login-server https://net.tvl.fyi --accept-dns=false --advertise-exit-node
#
# Clients should join using approximately this command:
# tailscale up --login-server https://net.tvl.fyi --accept-dns=false
{ config, pkgs, ... }:
{
# TODO(tazjin): run embedded DERP server
services.headscale = {
enable = true;
port = 4725; # hscl
settings = {
server_url = "https://net.tvl.fyi";
dns_config.nameservers = [
"8.8.8.8"
"1.1.1.1"
"77.88.8.8"
];
# TLS is handled by nginx
tls_cert_path = null;
tls_key_path = null;
};
};
environment.systemPackages = [ pkgs.headscale ]; # admin CLI
services.nginx.virtualHosts."net.tvl.fyi" = {
serverName = "net.tvl.fyi";
enableACME = true;
forceSSL = true;
# See https://github.com/juanfont/headscale/blob/v0.22.3/docs/reverse-proxy.md#nginx
extraConfig = ''
location / {
proxy_pass http://localhost:${toString config.services.headscale.port};
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection $connection_upgrade;
proxy_set_header Host $server_name;
proxy_redirect http:// https://;
proxy_buffering off;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
add_header Strict-Transport-Security "max-age=15552000; includeSubDomains" always;
}
'';
};
}