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nixpkgs/nixos/tests/acme/caddy.nix
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2025-10-09 14:15:47 +02:00

112 lines
3.0 KiB
Nix

{
config,
lib,
pkgs,
...
}:
let
domain = "example.test";
in
{
# Caddy only supports useACMEHost, hence we use a distinct test suite
name = "caddy";
meta = {
maintainers = lib.teams.acme.members;
# Hard timeout in seconds. Average run time is about 60 seconds.
timeout = 180;
};
nodes = {
# The fake ACME server which will respond to client requests
acme =
{ nodes, ... }:
{
imports = [ ../common/acme/server ];
};
caddy =
{ nodes, config, ... }:
let
fqdn = config.networking.fqdn;
in
{
imports = [ ../common/acme/client ];
networking.domain = domain;
networking.firewall.allowedTCPPorts = [
80
443
];
# Resolve the vhosts the easy way
networking.hosts."127.0.0.1" = [
"caddy-alt.${domain}"
];
# OpenSSL will be used for more thorough certificate validation
environment.systemPackages = [ pkgs.openssl ];
security.acme.certs."${fqdn}" = {
listenHTTP = ":8080";
reloadServices = [ "caddy.service" ];
};
users.users."${config.services.caddy.user}".extraGroups = [ "acme" ];
services.caddy = {
enable = true;
# FIXME reloading caddy is not sufficient to load new certs.
# Restart it manually until this is fixed.
enableReload = false;
globalConfig = ''
auto_https off
'';
virtualHosts."${fqdn}:443" = {
useACMEHost = fqdn;
};
virtualHosts.":80".extraConfig = ''
reverse_proxy localhost:8080
'';
};
specialisation.add_domain.configuration = {
security.acme.certs.${fqdn}.extraDomainNames = [
"caddy-alt.${domain}"
];
};
};
};
testScript =
{ nodes, ... }:
''
${(import ./utils.nix).pythonUtils}
domain = "${domain}"
ca_domain = "${nodes.acme.test-support.acme.caDomain}"
fqdn = "${nodes.caddy.networking.fqdn}"
with subtest("Boot and start with selfsigned certificates"):
caddy.start()
caddy.wait_for_unit("caddy.service")
check_issuer(caddy, fqdn, "minica")
# Check that the web server has picked up the selfsigned cert
check_connection(caddy, fqdn, minica=True)
acme.start()
wait_for_running(acme)
acme.wait_for_open_port(443)
with subtest("Acquire a new cert"):
caddy.succeed(f"systemctl restart acme-{fqdn}.service")
check_issuer(caddy, fqdn, "pebble")
check_domain(caddy, fqdn, fqdn)
download_ca_certs(caddy, ca_domain)
check_connection(caddy, fqdn)
with subtest("security.acme changes reflect on caddy"):
check_connection(caddy, f"caddy-alt.{domain}", fail=True)
switch_to(caddy, "add_domain")
check_connection(caddy, f"caddy-alt.{domain}")
'';
}