nixconfig/modules/server/containers/apps/gitea.nix

{ config, containerCfg, pkgs, lib, builder, name, ... }:
let 
  version = "latest";
  serverCfg = config.syscfg.server;

  LDAP_DC_DOMAIN = "dc=ldap," + (lib.concatMapStringsSep "," (x: "dc=${x}") (lib.splitString "." serverCfg.hostDomain));
in {
  sops = true;
  db = true;
  paths = [{
    path="${serverCfg.dataPath}/gitea/data";
    owner = "1000:1000";
    mode = "0755";
  }{
    path="${serverCfg.dataPath}/gitea/data-runner";
    owner = "1000:1000";
    mode = "0755";
  }];
  containers = {
    server = builder.mkContainer {
      subdomain = containerCfg.subdomain;
      image = "gitea/gitea:${version}";
      port = 8080;
      secret = name;
      
      extraEnv = { # app.ini -> GITEA__<section>__<KEY> = "<VALUE>";
        GITEA__DEFAULT__APP_NAME = if(containerCfg.extra ? name) then containerCfg.extra.name else "Gitea";
        GITEA__repository__DISABLED_REPO_UNITS = "repo.ext_issues,repo.ext_wiki";
        GITEA__repository__DISABLE_STARS = "true";
        GITEA__repository__DEFAULT_MERGE_STYLE = "squash";
        # GITEA__ui__THEMES = "";
        # GITEA__ui__DEFAULT_THEME = "";

        # GITEA__security__SECRET_KEY = "SECRET_ENV";
        # GITEA__security__INTERNAL_TOKEN = "SECRET_ENV";
        # GITEA__database__PASSWD = "SECRET_ENV";
        # GITEA__mailer__PASSWD="SECRET_ENV";

        GITEA__database__DB_TYPE = "postgres"; 
        GITEA__database__HOST = builder.host;
        GITEA__database__NAME = "gitea_db";
        GITEA__database__USER = "gitea_user";


        GITEA__mailer__ENABLED = "true";
        GITEA__mailer__FROM = "";
        GITEA__mailer__PROTOCOL = "smtps";
        GITEA__mailer__SMTP_ADDR = "";
        GITEA__mailer__SMTP_PORT = "";
        GITEA__mailer__USER= "";

        GITEA__server__DOMAIN = "${containerCfg.subdomain}.${serverCfg.hostDomain}";
        GITEA__server__ROOT_URL = "https://${containerCfg.subdomain}.${serverCfg.hostDomain}/";
        GITEA__server__PROTOCOL = "http";
        GITEA__server__HTTP_PORT = "8080";
        GITEA__server__LFS_START_SERVER = "true";
        GITEA__security__INSTALL_LOCK = "true";

      } // ( if serverCfg.containers?authentik then {
        GITEA__service__ENABLE_BASIC_AUTHENTICATION = "false";
        GITEA__service__ENABLE_REVERSE_PROXY_AUTHENTICATION = "true";
        GITEA__service__ENABLE_REVERSE_PROXY_AUTHENTICATION_API = "true";
        GITEA__service__ENABLE_REVERSE_PROXY_AUTO_REGISTRATION = "true";
        GITEA__service__ENABLE_REVERSE_PROXY_EMAIL = "true";
        GITEA__service__ENABLE_REVERSE_PROXY_FULL_NAME = "true";
        GITEA__service__ALLOW_ONLY_EXTERNAL_REGISTRATION = "true";
        GITEA__security__REVERSE_PROXY_LOGOUT_REDIRECT = "https://${serverCfg.containers.authentik.subdomain}.${serverCfg.hostDomain}/outpost.goauthentik.io/sign_out";
        GITEA__security__REVERSE_PROXY_AUTHENTICATION_USER = "X-authentik-username";
        GITEA__security__REVERSE_PROXY_AUTHENTICATION_EMAIL = "X-authentik-email";
        GITEA__security__REVERSE_PROXY_AUTHENTICATION_FULL_NAME = "X-authentik-name";
        GITEA__security__RREVERSE_PROXY_LIMIT = "1";
        GITEA__security__REVERSE_PROXY_TRUSTED_PROXIES = "127.0.0.0/8,::1/128,10.0.0.0/8";
      } else {});
      extraLabels = {
        "traefik.http.routers.${containerCfg.subdomain}-login.rule" = "Host(`${containerCfg.subdomain}.${serverCfg.hostDomain}`) && Path(`/user/login`) ";
        "traefik.http.routers.${containerCfg.subdomain}-login.middlewares" = if serverCfg.containers?authentik then "authentik" else "";
        "traefik.http.routers.${containerCfg.subdomain}-login.priority" = "100";
        "traefik.http.routers.${containerCfg.subdomain}-login.entrypoints" = "web-secure";
        "traefik.http.routers.${containerCfg.subdomain}-login.tls" = "true";
      };

      overrides = {
        volumes = [
          "${serverCfg.dataPath}/gitea/data:/data"
        ];
        ports = [ "2222:22" ]; 
      };
    };

    runner = builder.mkContainer {
      image = "gitea/act_runner:${version}";
      secret = name;
      extraEnv = { 
        CONFIG_FILE="/data/config.yml";
        GITEA_INSTANCE_URL="https://${containerCfg.subdomain}.${serverCfg.hostDomain}";
        GITHUB_INSTANCE_URL="https://${containerCfg.subdomain}.${serverCfg.hostDomain}";
      };

      overrides = {
        volumes = [
          "${serverCfg.dataPath}/gitea/data-runner:/data"
          "/var/run/podman/podman.sock:/var/run/docker.sock"
        ];
        # ports = [ "8088:8088" ]; 
      };
    };
  };


  setup = {
    trigger = "server";
    envFile = config.sops.secrets."CUSTOM".path;
    script = pkgs.writeShellScript "setup" ''
      # Define the command wrapper
      GT="${pkgs.podman}/bin/podman --events-backend=none exec -u git gitea-server gitea"
      GTR="${pkgs.podman}/bin/podman --events-backend=none exec gitea-runner ./act_runner"

      $GT admin user create --username "$DEFAULT_ADMIN_USERNAME" --password "$DEFAULT_ADMIN_PASSWORD" --email "$DEFAULT_ADMIN_EMAIL" --admin || true

      touch ${serverCfg.dataPath}/gitea/data-runner/config.yml

      RUNNER_TOKEN=$($GT actions generate-runner-token)
      $GTR register \
        --instance "https://${containerCfg.subdomain}.${serverCfg.hostDomain}" \
        --token "$RUNNER_TOKEN" \
        --name "Runner" \
        --labels "ubuntu-latest:docker://catthehacker/ubuntu:act-latest" \
        --no-interactive


      ${lib.optionalString (serverCfg.containers ? authentik) ''
      $GT admin auth list delete --id 1
      $GT admin auth add_ldap --name Authentik --host authentik-ldap --port 3389 --security-protocol unencrypted \
          --bind-dn "cn=ldap-service,ou=users,${LDAP_DC_DOMAIN}" --bind-password $DEFAULT_LDAP_PASSWORD \
          --user-search-base "ou=users,${LDAP_DC_DOMAIN}" --user-filter "(|(username=%s)(email=%s))" \
          --username-attribute "username" --firstname-attribute "givenName" --surname-attribute "sn" --email-attribute "mail" \
          --synchronize-users
      ''}


      echo "Completed Gitea Setup"
      '';
  };
}