300 lines
10 KiB
Nix
300 lines
10 KiB
Nix
{ config, lib, pkgs, ... }:
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# TODO: support non-postgresql
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with lib;
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let
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cfg = config.services.gitlab;
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ruby = pkgs.gitlab.ruby;
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bundler = pkgs.bundler;
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gemHome = "${pkgs.gitlab.env}/${ruby.gemPath}";
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databaseYml = ''
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production:
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adapter: postgresql
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database: ${cfg.databaseName}
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host: ${cfg.databaseHost}
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password: ${cfg.databasePassword}
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username: ${cfg.databaseUsername}
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encoding: utf8
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'';
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gitlabShellYml = ''
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user: gitlab
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gitlab_url: "http://${cfg.host}:${toString cfg.port}/"
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http_settings:
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self_signed_cert: false
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repos_path: "${cfg.stateDir}/repositories"
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log_file: "${cfg.stateDir}/log/gitlab-shell.log"
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redis:
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bin: ${pkgs.redis}/bin/redis-cli
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host: 127.0.0.1
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port: 6379
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database: 0
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namespace: resque:gitlab
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'';
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unicornConfig = builtins.readFile ./defaultUnicornConfig.rb;
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gitlab-runner = pkgs.stdenv.mkDerivation rec {
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name = "gitlab-runner";
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buildInputs = [ pkgs.gitlab pkgs.bundler pkgs.makeWrapper ];
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phases = "installPhase fixupPhase";
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buildPhase = "";
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installPhase = ''
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mkdir -p $out/bin
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makeWrapper ${bundler}/bin/bundle $out/bin/gitlab-runner\
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--set RAKEOPT '"-f ${pkgs.gitlab}/share/gitlab/Rakefile"'\
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--set GEM_HOME '${gemHome}'\
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--set UNICORN_PATH "${cfg.stateDir}/"\
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--set GITLAB_PATH "${pkgs.gitlab}/share/gitlab/"\
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--set GITLAB_APPLICATION_LOG_PATH "${cfg.stateDir}/log/application.log"\
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--set GITLAB_SATELLITES_PATH "${cfg.stateDir}/satellites"\
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--set GITLAB_SHELL_PATH "${pkgs.gitlab-shell}"\
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--set GITLAB_REPOSITORIES_PATH "${cfg.stateDir}/repositories"\
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--set GITLAB_SHELL_HOOKS_PATH "${cfg.stateDir}/shell/hooks"\
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--set BUNDLE_GEMFILE "${pkgs.gitlab}/share/gitlab/Gemfile"\
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--set GITLAB_EMAIL_FROM "${cfg.emailFrom}"\
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--set GITLAB_SHELL_CONFIG_PATH "${cfg.stateDir}/shell/config.yml"\
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--set GITLAB_SHELL_SECRET_PATH "${cfg.stateDir}/config/gitlab_shell_secret"\
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--set GITLAB_HOST "${cfg.host}"\
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--set GITLAB_PORT "${toString cfg.port}"\
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--set GITLAB_BACKUP_PATH "${cfg.backupPath}"\
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--set RAILS_ENV "production"
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'';
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};
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in {
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options = {
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services.gitlab = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Enable the gitlab service.
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'';
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};
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satelliteDir = mkOption {
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type = types.str;
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default = "/var/gitlab/git-satellites";
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description = "Gitlab directory to store checked out git trees requires for operation.";
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};
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stateDir = mkOption {
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type = types.str;
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default = "/var/gitlab/state";
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description = "Gitlab state directory, logs are stored here.";
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};
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backupPath = mkOption {
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type = types.str;
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default = cfg.stateDir + "/backup";
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description = "Gitlab path for backups.";
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};
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databaseHost = mkOption {
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type = types.str;
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default = "127.0.0.1";
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description = "Gitlab database hostname.";
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};
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databasePassword = mkOption {
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type = types.str;
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default = "";
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description = "Gitlab database user password.";
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};
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databaseName = mkOption {
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type = types.str;
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default = "gitlab";
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description = "Gitlab database name.";
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};
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databaseUsername = mkOption {
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type = types.str;
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default = "gitlab";
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description = "Gitlab database user.";
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};
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emailFrom = mkOption {
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type = types.str;
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default = "example@example.org";
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description = "The source address for emails sent by gitlab.";
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};
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host = mkOption {
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type = types.str;
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default = config.networking.hostName;
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description = "Gitlab host name. Used e.g. for copy-paste URLs.";
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};
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port = mkOption {
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type = types.int;
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default = 8080;
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description = "Gitlab server listening port.";
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};
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};
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};
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config = mkIf cfg.enable {
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environment.systemPackages = [ gitlab-runner pkgs.gitlab-shell ];
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assertions = [
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{ assertion = cfg.databasePassword != "";
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message = "databasePassword must be set";
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}
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];
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# Redis is required for the sidekiq queue runner.
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services.redis.enable = mkDefault true;
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# We use postgres as the main data store.
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services.postgresql.enable = mkDefault true;
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services.postgresql.package = mkDefault pkgs.postgresql;
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# Use postfix to send out mails.
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services.postfix.enable = mkDefault true;
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users.extraUsers = [
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{ name = "gitlab";
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group = "gitlab";
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home = "${cfg.stateDir}/home";
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shell = "${pkgs.bash}/bin/bash";
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uid = config.ids.uids.gitlab;
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} ];
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users.extraGroups = [
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{ name = "gitlab";
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gid = config.ids.gids.gitlab;
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} ];
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systemd.services.gitlab-sidekiq = {
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after = [ "network.target" "redis.service" ];
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wantedBy = [ "multi-user.target" ];
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environment.HOME = "${cfg.stateDir}/home";
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environment.GEM_HOME = gemHome;
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environment.UNICORN_PATH = "${cfg.stateDir}/";
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environment.GITLAB_PATH = "${pkgs.gitlab}/share/gitlab/";
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environment.GITLAB_APPLICATION_LOG_PATH = "${cfg.stateDir}/log/application.log";
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environment.GITLAB_SATELLITES_PATH = "${cfg.stateDir}/satellites";
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environment.GITLAB_SHELL_PATH = "${pkgs.gitlab-shell}";
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environment.GITLAB_REPOSITORIES_PATH = "${cfg.stateDir}/repositories";
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environment.GITLAB_SHELL_HOOKS_PATH = "${cfg.stateDir}/shell/hooks";
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environment.BUNDLE_GEMFILE = "${pkgs.gitlab}/share/gitlab/Gemfile";
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environment.GITLAB_EMAIL_FROM = "${cfg.emailFrom}";
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environment.GITLAB_SHELL_CONFIG_PATH = "${cfg.stateDir}/shell/config.yml";
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environment.GITLAB_SHELL_SECRET_PATH = "${cfg.stateDir}/config/gitlab_shell_secret";
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environment.GITLAB_HOST = "${cfg.host}";
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environment.GITLAB_PORT = "${toString cfg.port}";
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environment.GITLAB_DATABASE_HOST = "${cfg.databaseHost}";
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environment.GITLAB_DATABASE_PASSWORD = "${cfg.databasePassword}";
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environment.RAILS_ENV = "production";
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path = with pkgs; [
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config.services.postgresql.package
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gitAndTools.git
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ruby
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openssh
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nodejs
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];
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serviceConfig = {
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Type = "simple";
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User = "gitlab";
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Group = "gitlab";
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TimeoutSec = "300";
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WorkingDirectory = "${pkgs.gitlab}/share/gitlab";
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ExecStart="${bundler}/bin/bundle exec \"sidekiq -q post_receive -q mailer -q system_hook -q project_web_hook -q gitlab_shell -q common -q default -e production -P ${cfg.stateDir}/tmp/sidekiq.pid\"";
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};
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};
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systemd.services.gitlab = {
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after = [ "network.target" "postgresql.service" "redis.service" ];
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wantedBy = [ "multi-user.target" ];
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environment.HOME = "${cfg.stateDir}/home";
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environment.GEM_HOME = gemHome;
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environment.UNICORN_PATH = "${cfg.stateDir}/";
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environment.GITLAB_PATH = "${pkgs.gitlab}/share/gitlab/";
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environment.GITLAB_APPLICATION_LOG_PATH = "${cfg.stateDir}/log/application.log";
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environment.GITLAB_SATELLITES_PATH = "${cfg.stateDir}/satellites";
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environment.GITLAB_SHELL_PATH = "${pkgs.gitlab-shell}";
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environment.GITLAB_REPOSITORIES_PATH = "${cfg.stateDir}/repositories";
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environment.GITLAB_SHELL_HOOKS_PATH = "${cfg.stateDir}/shell/hooks";
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environment.BUNDLE_GEMFILE = "${pkgs.gitlab}/share/gitlab/Gemfile";
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environment.GITLAB_EMAIL_FROM = "${cfg.emailFrom}";
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environment.GITLAB_HOST = "${cfg.host}";
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environment.GITLAB_PORT = "${toString cfg.port}";
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environment.GITLAB_DATABASE_HOST = "${cfg.databaseHost}";
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environment.GITLAB_DATABASE_PASSWORD = "${cfg.databasePassword}";
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environment.RAILS_ENV = "production";
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path = with pkgs; [
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config.services.postgresql.package
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gitAndTools.git
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ruby
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openssh
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nodejs
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];
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preStart = ''
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# TODO: use env vars
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mkdir -p ${cfg.stateDir}
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mkdir -p ${cfg.stateDir}/log
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mkdir -p ${cfg.stateDir}/satellites
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mkdir -p ${cfg.stateDir}/repositories
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mkdir -p ${cfg.stateDir}/shell/hooks
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mkdir -p ${cfg.stateDir}/tmp/pids
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mkdir -p ${cfg.stateDir}/tmp/sockets
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rm -rf ${cfg.stateDir}/config
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mkdir -p ${cfg.stateDir}/config
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# TODO: What exactly is gitlab-shell doing with the secret?
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head -c 20 /dev/urandom > ${cfg.stateDir}/config/gitlab_shell_secret
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mkdir -p ${cfg.stateDir}/home/.ssh
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touch ${cfg.stateDir}/home/.ssh/authorized_keys
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cp -rf ${pkgs.gitlab}/share/gitlab/config ${cfg.stateDir}/
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cp ${pkgs.gitlab}/share/gitlab/VERSION ${cfg.stateDir}/VERSION
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ln -fs ${pkgs.writeText "database.yml" databaseYml} ${cfg.stateDir}/config/database.yml
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ln -fs ${pkgs.writeText "unicorn.rb" unicornConfig} ${cfg.stateDir}/config/unicorn.rb
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chown -R gitlab:gitlab ${cfg.stateDir}/
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chmod -R 755 ${cfg.stateDir}/
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if [ "${cfg.databaseHost}" = "127.0.0.1" ]; then
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if ! test -e "${cfg.stateDir}/db-created"; then
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psql postgres -c "CREATE ROLE gitlab WITH LOGIN NOCREATEDB NOCREATEROLE NOCREATEUSER ENCRYPTED PASSWORD '${cfg.databasePassword}'"
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${config.services.postgresql.package}/bin/createdb --owner gitlab gitlab || true
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touch "${cfg.stateDir}/db-created"
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# force=yes disables the manual-interaction yes/no prompt
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# which breaks without an stdin.
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force=yes ${bundler}/bin/bundle exec rake -f ${pkgs.gitlab}/share/gitlab/Rakefile gitlab:setup RAILS_ENV=production
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fi
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fi
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# Install the shell required to push repositories
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ln -fs ${pkgs.writeText "config.yml" gitlabShellYml} ${cfg.stateDir}/shell/config.yml
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export GITLAB_SHELL_CONFIG_PATH=""${cfg.stateDir}/shell/config.yml
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${pkgs.gitlab-shell}/bin/install
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# Change permissions in the last step because some of the
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# intermediary scripts like to create directories as root.
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chown -R gitlab:gitlab ${cfg.stateDir}/
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chmod -R 755 ${cfg.stateDir}/
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'';
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serviceConfig = {
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PermissionsStartOnly = true; # preStart must be run as root
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Type = "simple";
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User = "gitlab";
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Group = "gitlab";
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TimeoutSec = "300";
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WorkingDirectory = "${pkgs.gitlab}/share/gitlab";
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ExecStart="${bundler}/bin/bundle exec \"unicorn -c ${cfg.stateDir}/config/unicorn.rb -E production\"";
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};
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};
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};
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}
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