infra/services/forgejo/default.nix

139 lines
3.8 KiB
Nix

{ pkgs, lib, config, ... }:
let
cfg = config.bagel.services.forgejo;
inherit (lib) mkIf mkEnableOption mkOption types;
domain = "git.forkos.org";
in
{
options.bagel.services.forgejo = {
enable = mkEnableOption "Forgejo";
sshBindAddr = mkOption {
type = types.str;
};
};
config = mkIf cfg.enable {
services.forgejo = {
enable = true;
package = pkgs.callPackage ../../pkgs/forgejo { };
database = {
type = "postgres";
createDatabase = true;
};
lfs.enable = true;
settings = {
DEFAULT = {
APP_NAME = "ForkOS";
};
server = {
PROTOCOL = "http+unix";
ROOT_URL = "https://${domain}/";
DOMAIN = "${domain}";
BUILTIN_SSH_SERVER_USER = "git";
SSH_PORT = 22;
SSH_LISTEN_HOST = cfg.sshBindAddr;
START_SSH_SERVER = true;
};
session = {
PROVIDER = "redis";
PROVIDER_CONFIG = "network=unix,addr=${config.services.redis.servers.forgejo.unixSocket},db=0";
COOKIE_NAME = "session";
};
service = {
DISABLE_REGISTRATION = true;
DEFAULT_KEEP_EMAIL_PRIVATE = true;
};
oauth2_client = {
REGISTER_EMAIL_CONFIRM = false;
ENABLE_AUTO_REGISTRATION = true;
};
# TODO: transactional mails
cache = {
ADAPTER = "redis";
HOST = "network=unix,addr=${config.services.redis.servers.forgejo.unixSocket},db=1";
ITEM_TTL = "72h"; # increased from default 16h
};
ui = {
SHOW_USER_EMAIL = false;
};
repository = {
# Forks in forgejo are suprisingly expensive because they are full git clones.
# If we do want to enable forks, we can write a small patch that disables
# only for repositories that are as large as nixpkgs.
DISABLE_FORKS = true;
};
packages = {
# Forgejo's various package registries can easily take up a lot of space.
# We could either store the blobs on some slower disks but larger, or even
# better, use an s3 bucket for it. But until we actually have a use-case for
# this feature, we will simply keep it disabled for now.
ENABLED = false;
};
indexer = {
REPO_INDEXER_REPO_TYPES = "sources,mirrors,templates"; # skip forks
REPO_INDEXER_ENABLED = true;
ISSUE_INDEXER_TYPE = "bleve";
};
"git.timeout" = {
MIGRATE = 3600; # increase from default 600 (seconds) for something as large as nixpkgs on a slow uplink
};
log = {
LEVEL = "Warn";
};
};
};
systemd.services.forgejo = {
serviceConfig = lib.optionalAttrs (config.services.forgejo.settings.server.SSH_PORT < 1024) {
AmbientCapabilities = lib.mkForce "CAP_NET_BIND_SERVICE";
CapabilityBoundingSet = lib.mkForce "CAP_NET_BIND_SERVICE";
PrivateUsers = lib.mkForce false;
};
# start Forgejo *after* sshd.service, so in case Forgejo tries to wildcard bind :22 due to
# a bug or whatever, we don't lose OpenSSH in a race.
wants = [ "sshd.service" "redis-forgejo.service" ];
requires = [ "sshd.service" "redis-forgejo.service" ];
};
services.redis.servers.forgejo = {
enable = true;
user = "forgejo";
};
services.nginx = {
enable = true;
virtualHosts.${domain} = {
enableACME = true;
forceSSL = true;
locations."/".proxyPass = "http://unix:${config.services.forgejo.settings.server.HTTP_ADDR}";
};
};
networking.firewall.allowedTCPPorts = [
80
443
config.services.forgejo.settings.server.SSH_PORT
];
};
}