nix-config/modules/nixos/services/gitea/default.nix
2023-12-25 20:23:55 +01:00

154 lines
3.9 KiB
Nix

# A low-ressource, full-featured git forge.
{ config, lib, ... }:
let
cfg = config.my.services.gitea;
in
{
options.my.services.gitea = with lib; {
enable = mkEnableOption "Gitea";
port = mkOption {
type = types.port;
default = 3042;
example = 8080;
description = "Internal port";
};
mail = {
enable = mkEnableOption {
description = "mailer configuration";
};
host = mkOption {
type = types.str;
example = "smtp.example.com:465";
description = "Host for the mail account";
};
user = mkOption {
type = types.str;
example = "gitea@example.com";
description = "User for the mail account";
};
passwordFile = mkOption {
type = types.str;
example = "/run/secrets/gitea-mail-password.txt";
description = "Password for the mail account";
};
type = mkOption {
type = types.str;
default = "smtp";
example = "smtp";
description = "Password for the mail account";
};
tls = mkOption {
type = types.bool;
default = true;
example = false;
description = "Use TLS for connection";
};
};
};
config = lib.mkIf cfg.enable {
services.gitea =
let
inherit (config.networking) domain;
giteaDomain = "git.${domain}";
in
{
enable = true;
appName = "Ambroisie's forge";
user = "git";
lfs.enable = true;
useWizard = false;
database = {
type = "postgres"; # Automatic setup
user = "git"; # User needs to be the same as gitea user
name = "git"; # Name must be the same as user for `ensureDBOwnership`
};
# NixOS module uses `gitea dump` to backup repositories and the database,
# but it produces a single .zip file that's not very backup friendly.
# I configure my backup system manually below.
dump.enable = false;
mailerPasswordFile = lib.mkIf cfg.mail.enable cfg.mail.passwordFile;
settings = {
server = {
HTTP_PORT = cfg.port;
DOMAIN = giteaDomain;
ROOT_URL = "https://${giteaDomain}";
};
mailer = lib.mkIf cfg.mail.enable {
ENABLED = true;
HOST = cfg.mail.host;
FROM = cfg.mail.user;
USER = cfg.mail.user;
MAILER_TYPE = cfg.mail.type;
IS_TLS_ENABLED = cfg.mail.tls;
};
service = {
DISABLE_REGISTRATION = true;
};
session = {
# only send cookies via HTTPS
COOKIE_SECURE = true;
};
};
};
users.users.git = {
description = "Gitea Service";
home = config.services.gitea.stateDir;
useDefaultShell = true;
group = "git";
# The service for gitea seems to hardcode the group as
# gitea, so, uh, just in case?
extraGroups = [ "gitea" ];
isSystemUser = true;
};
users.groups.git = { };
my.services.nginx.virtualHosts = {
# Proxy to Gitea
git = {
inherit (cfg) port;
};
# Redirect `gitea.` to actual forge subdomain
gitea = {
redirect = config.services.gitea.settings.server.ROOT_URL;
};
};
my.services.backup = {
paths = [
config.services.gitea.lfs.contentDir
config.services.gitea.repositoryRoot
];
};
services.fail2ban.jails = {
gitea = ''
enabled = true
filter = gitea
action = iptables-allports
'';
};
environment.etc = {
"fail2ban/filter.d/gitea.conf".text = ''
[Definition]
failregex = ^.*(Failed authentication attempt|invalid credentials|Attempted access of unknown user).* from <HOST>$
journalmatch = _SYSTEMD_UNIT=gitea.service
'';
};
};
}