nix-config/modules/nixos-modules/server/forgejo.nix

113 lines
3 KiB
Nix

{
lib,
config,
pkgs,
...
}: let
forgejoPort = 8081;
stateDir = "/var/lib/forgejo";
db_user = "forgejo";
sshPort = 22222;
in {
options.services.forgejo = {
subdomain = lib.mkOption {
type = lib.types.str;
description = "subdomain of base domain that forgejo will be hosted at";
default = "forgejo";
};
};
config = lib.mkIf config.services.forgejo.enable (lib.mkMerge [
{
host = {
reverse_proxy.subdomains.${config.services.forgejo.subdomain} = {
target = "http://localhost:${toString forgejoPort}";
};
postgres = {
enable = true;
extraUsers = {
${db_user} = {
isClient = true;
};
};
};
};
services.forgejo = {
database = {
type = "postgres";
socket = "/run/postgresql";
};
lfs.enable = true;
settings = {
server = {
DOMAIN = "${config.services.forgejo.subdomain}.${config.host.reverse_proxy.hostname}";
HTTP_PORT = forgejoPort;
START_SSH_SERVER = true;
SSH_LISTEN_PORT = sshPort;
SSH_PORT = 22;
BUILTIN_SSH_SERVER_USER = config.users.users.git.name;
ROOT_URL = "https://git.jan-leila.com";
};
service = {
DISABLE_REGISTRATION = true;
};
database = {
DB_TYPE = "postgres";
NAME = db_user;
USER = db_user;
};
};
};
networking.firewall.allowedTCPPorts = [
config.services.forgejo.settings.server.SSH_LISTEN_PORT
];
}
(lib.mkIf config.services.fail2ban.enable {
environment.etc = {
"fail2ban/filter.d/forgejo.local".text = lib.mkIf config.services.forgejo.enable (
pkgs.lib.mkDefault (pkgs.lib.mkAfter ''
[Definition]
failregex = ".*(Failed authentication attempt|invalid credentials|Attempted access of unknown user).* from <HOST>"
'')
);
};
services.fail2ban = {
jails = {
forgejo-iptables.settings = lib.mkIf config.services.forgejo.enable {
enabled = true;
filter = "forgejo";
action = ''iptables-multiport[name=HTTP, port="http,https"]'';
logpath = "${config.services.forgejo.settings.log.ROOT_PATH}/*.log";
backend = "auto";
findtime = 600;
bantime = 600;
maxretry = 5;
};
};
};
})
(lib.mkIf config.host.impermanence.enable {
assertions = [
{
assertion = config.services.forgejo.stateDir == stateDir;
message = "forgejo state directory does not match persistence";
}
];
environment.persistence."/persist/system/root" = {
enable = true;
hideMounts = true;
directories = [
{
directory = stateDir;
user = "forgejo";
group = "forgejo";
}
];
};
})
]);
}