stura-infra/hosts/proxy/default.nix
2026-02-24 16:27:18 +01:00

126 lines
3.1 KiB
Nix

{
config,
lib,
pkgs,
...
}:
{
imports = [
./hardware-configuration.nix
];
networking.hostName = "proxy";
networking.interfaces.ens18.ipv4.addresses = [
{
address = "141.56.51.1";
prefixLength = 24;
}
];
networking.defaultGateway.address = "141.56.51.254";
networking.nameservers = [
"9.9.9.9"
"1.1.1.1"
];
security.acme = {
certs."stura.htw-dresden.de" = {
listenHTTP = "127.0.0.1:8888";
postRun = ''
cat cert.pem key.pem > full.pem
chmod 640 full.pem
systemctl reload haproxy
'';
};
};
# give haproxy access to the cert files
users.users.haproxy.extraGroups = [ "acme" ];
systemd.services.haproxy = {
after = [ "acme-finished-stura.htw-dresden.de.target" ];
wants = [ "acme-finished-stura.htw-dresden.de.target" ];
};
services = {
openssh.enable = true;
haproxy = {
enable = true;
config = ''
global
log /dev/log local0
maxconn 4096
# for ACME/Let's Encrypt cert + key in one file:
crt-base /var/lib/acme
defaults
log global
mode tcp
option tcplog
timeout connect 5s
timeout client 30s
timeout server 30s
# ---- HTTP (port 80) for ACME challenges ----
frontend http_in
bind *:80
mode http
option httplog
acl is_acme path_beg /.well-known/acme-challenge/
acl is_my_domain hdr(host) -i stura.htw-dresden.de
use_backend acme_backend if is_acme is_my_domain
# redirect everything else to HTTPS
redirect scheme https code 301 if !is_acme
backend acme_backend
mode http
server acme 127.0.0.1:8888 check
# ---- SNI routing (TCP, peek at handshake) ----
frontend sni_router
bind *:443
mode tcp
tcp-request inspect-delay 5s
tcp-request content accept if { req_ssl_hello_type 1 }
# terminated here
use_backend terminate_plone if { req_ssl_sni -i stura.htw-dresden.de }
# passed through to nginx on remote host
use_backend tls_passthrough if { req_ssl_sni -i pro.stura.htw-dresden.de }
backend terminate_plone
mode tcp
# loopback to the termination frontend below
server loopback 127.0.0.1:8443
backend tls_passthrough
mode tcp
server nginx_host 141.56.51.15:443 check
frontend https_terminated
bind 127.0.0.1:8443 ssl crt /var/lib/acme/stura.htw-dresden.de/full.pem
mode http
default_backend plone_backend
backend plone_backend
mode http
http-request set-header Host stura.htw-dresden.de
http-request replace-uri ^/(.*)$ /VirtualHostBase/https/stura.htw-dresden.de:443/Plone/VirtualHostRoot/\1
server plone 141.56.51.5:8080 check
# proxy_pass "http://141.56.51.5:8080/VirtualHostBase/https/stura.htw-dresden.de:443/Plone/VirtualHostRoot/";
'';
};
};
networking.firewall.allowedTCPPorts = [
80
443
];
system.stateVersion = "25.11";
}