451 lines
14 KiB
Nix
451 lines
14 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 = cfg.packages.gitlab.ruby;
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bundler = pkgs.bundler;
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gemHome = "${cfg.packages.gitlab.env}/${ruby.gemPath}";
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gitlabSocket = "${cfg.statePath}/tmp/sockets/gitlab.socket";
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pathUrlQuote = url: replaceStrings ["/"] ["%2F"] url;
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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: ${cfg.user}
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gitlab_url: "http+unix://${pathUrlQuote gitlabSocket}"
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http_settings:
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self_signed_cert: false
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repos_path: "${cfg.statePath}/repositories"
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secret_file: "${cfg.statePath}/config/gitlab_shell_secret"
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log_file: "${cfg.statePath}/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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gitlabConfig = {
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# These are the default settings from config/gitlab.example.yml
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production = flip recursiveUpdate cfg.extraConfig {
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gitlab = {
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host = cfg.host;
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port = cfg.port;
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https = cfg.https;
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user = cfg.user;
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email_enabled = true;
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email_display_name = "GitLab";
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email_reply_to = "noreply@localhost";
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default_theme = 2;
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default_projects_features = {
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issues = true;
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merge_requests = true;
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wiki = true;
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snippets = false;
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builds = true;
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};
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};
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artifacts = {
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enabled = true;
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};
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lfs = {
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enabled = true;
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};
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gravatar = {
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enabled = true;
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};
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cron_jobs = {
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stuck_ci_builds_worker = {
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cron = "0 0 * * *";
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};
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};
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gitlab_ci = {
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builds_path = "${cfg.statePath}/builds";
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};
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ldap = {
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enabled = false;
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};
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omniauth = {
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enabled = false;
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};
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shared = {
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path = "${cfg.statePath}/shared";
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};
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backup = {
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path = "${cfg.backupPath}";
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};
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gitlab_shell = {
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path = "${cfg.packages.gitlab-shell}";
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repos_path = "${cfg.statePath}/repositories";
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hooks_path = "${cfg.statePath}/shell/hooks";
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secret_file = "${cfg.statePath}/config/gitlab_shell_secret";
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upload_pack = true;
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receive_pack = true;
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};
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git = {
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bin_path = "git";
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max_size = 20971520; # 20MB
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timeout = 10;
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};
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extra = {};
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};
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};
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gitlabEnv = {
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HOME = "${cfg.statePath}/home";
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GEM_HOME = gemHome;
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BUNDLE_GEMFILE = "${cfg.packages.gitlab}/share/gitlab/Gemfile";
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UNICORN_PATH = "${cfg.statePath}/";
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GITLAB_PATH = "${cfg.packages.gitlab}/share/gitlab/";
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GITLAB_STATE_PATH = "${cfg.statePath}";
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GITLAB_UPLOADS_PATH = "${cfg.statePath}/uploads";
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GITLAB_LOG_PATH = "${cfg.statePath}/log";
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GITLAB_SHELL_PATH = "${cfg.packages.gitlab-shell}";
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GITLAB_SHELL_CONFIG_PATH = "${cfg.statePath}/shell/config.yml";
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GITLAB_SHELL_SECRET_PATH = "${cfg.statePath}/config/gitlab_shell_secret";
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GITLAB_SHELL_HOOKS_PATH = "${cfg.statePath}/shell/hooks";
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RAILS_ENV = "production";
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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 = [ cfg.packages.gitlab 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 $out/bin/gitlab-runner \
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${concatStrings (mapAttrsToList (name: value: "--set ${name} '\"${value}\"' ") gitlabEnv)} \
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--set GITLAB_CONFIG_PATH '"${cfg.statePath}/config"' \
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--set PATH '"${pkgs.nodejs}/bin:${pkgs.gzip}/bin:${config.services.postgresql.package}/bin:$PATH"' \
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--set RAKEOPT '"-f ${cfg.packages.gitlab}/share/gitlab/Rakefile"'
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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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packages.gitlab = mkOption {
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type = types.package;
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default = pkgs.gitlab;
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description = "Reference to the gitlab package";
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};
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packages.gitlab-shell = mkOption {
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type = types.package;
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default = pkgs.gitlab-shell;
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description = "Reference to the gitlab-shell package";
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};
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packages.gitlab-workhorse = mkOption {
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type = types.package;
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default = pkgs.gitlab-workhorse;
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description = "Reference to the gitlab-workhorse package";
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};
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statePath = 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.statePath + "/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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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 = ''
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Gitlab server port for copy-paste URLs, e.g. 80 or 443 if you're
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service over https.
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'';
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};
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https = mkOption {
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type = types.bool;
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default = false;
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description = "Whether gitlab prints URLs with https as scheme.";
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};
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user = mkOption {
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type = types.str;
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default = "gitlab";
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description = "User to run gitlab and all related services.";
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};
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group = mkOption {
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type = types.str;
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default = "gitlab";
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description = "Group to run gitlab and all related services.";
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};
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initialRootEmail = mkOption {
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type = types.str;
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default = "admin@local.host";
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description = ''
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Initial email address of the root account if this is a new install.
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'';
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};
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initialRootPassword = mkOption {
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type = types.str;
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default = "UseNixOS!";
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description = ''
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Initial password of the root account if this is a new install.
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'';
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};
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extraConfig = mkOption {
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type = types.attrs;
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default = {};
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example = {
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gitlab = {
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default_projects_features = {
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builds = false;
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};
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};
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};
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description = ''
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Extra options to be merged into config/gitlab.yml as nix
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attribute set.
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'';
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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 = [ pkgs.git gitlab-runner cfg.packages.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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# 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 = cfg.user;
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group = cfg.group;
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home = "${cfg.statePath}/home";
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shell = "${pkgs.bash}/bin/bash";
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uid = config.ids.uids.gitlab;
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}
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];
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users.extraGroups = [
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{ name = cfg.group;
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gid = config.ids.gids.gitlab;
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}
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];
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systemd.services.gitlab-sidekiq = {
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after = [ "network.target" "redis.service" ];
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wantedBy = [ "multi-user.target" ];
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environment = gitlabEnv;
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path = with pkgs; [
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config.services.postgresql.package
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gitAndTools.git
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ruby
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openssh
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nodejs
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];
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serviceConfig = {
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Type = "simple";
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User = cfg.user;
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Group = cfg.group;
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TimeoutSec = "300";
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WorkingDirectory = "${cfg.packages.gitlab}/share/gitlab";
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ExecStart="${bundler}/bin/bundle exec \"sidekiq -q post_receive -q mailers -q system_hook -q project_web_hook -q gitlab_shell -q common -q default -e production -P ${cfg.statePath}/tmp/sidekiq.pid\"";
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};
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};
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systemd.services.gitlab-workhorse = {
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after = [ "network.target" "gitlab.service" ];
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wantedBy = [ "multi-user.target" ];
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environment.HOME = gitlabEnv.HOME;
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environment.GITLAB_SHELL_CONFIG_PATH = gitlabEnv.GITLAB_SHELL_CONFIG_PATH;
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path = with pkgs; [
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gitAndTools.git
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openssh
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];
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preStart = ''
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mkdir -p /run/gitlab
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chown ${cfg.user}:${cfg.group} /run/gitlab
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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 = cfg.user;
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Group = cfg.group;
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TimeoutSec = "300";
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ExecStart =
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"${cfg.packages.gitlab-workhorse}/bin/gitlab-workhorse "
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+ "-listenUmask 0 "
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+ "-listenNetwork unix "
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+ "-listenAddr /run/gitlab/gitlab-workhorse.socket "
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+ "-authSocket ${gitlabSocket} "
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+ "-documentRoot ${cfg.packages.gitlab}/share/gitlab/public";
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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 = gitlabEnv;
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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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openssh
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nodejs
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];
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preStart = ''
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mkdir -p ${cfg.backupPath}
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mkdir -p ${cfg.statePath}/builds
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mkdir -p ${cfg.statePath}/repositories
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mkdir -p ${gitlabConfig.production.shared.path}/artifacts
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mkdir -p ${gitlabConfig.production.shared.path}/lfs-objects
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mkdir -p ${cfg.statePath}/log
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mkdir -p ${cfg.statePath}/shell
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mkdir -p ${cfg.statePath}/tmp/pids
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mkdir -p ${cfg.statePath}/tmp/sockets
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rm -rf ${cfg.statePath}/config ${cfg.statePath}/shell/hooks
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mkdir -p ${cfg.statePath}/config ${cfg.statePath}/shell
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# TODO: What exactly is gitlab-shell doing with the secret?
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tr -dc _A-Z-a-z-0-9 < /dev/urandom | head -c 20 > ${cfg.statePath}/config/gitlab_shell_secret
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# The uploads directory is hardcoded somewhere deep in rails. It is
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# symlinked in the gitlab package to /run/gitlab/uploads to make it
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# configurable
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mkdir -p /run/gitlab
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mkdir -p ${cfg.statePath}/uploads
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ln -sf ${cfg.statePath}/uploads /run/gitlab/uploads
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chown -R ${cfg.user}:${cfg.group} /run/gitlab
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# Prepare home directory
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mkdir -p ${gitlabEnv.HOME}/.ssh
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touch ${gitlabEnv.HOME}/.ssh/authorized_keys
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chown -R ${cfg.user}:${cfg.group} ${gitlabEnv.HOME}/
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chmod -R u+rwX,go-rwx+X ${gitlabEnv.HOME}/
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cp -rf ${cfg.packages.gitlab}/share/gitlab/config.dist/* ${cfg.statePath}/config
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ln -sf ${cfg.statePath}/config /run/gitlab/config
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cp ${cfg.packages.gitlab}/share/gitlab/VERSION ${cfg.statePath}/VERSION
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# JSON is a subset of YAML
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ln -fs ${pkgs.writeText "gitlab.yml" (builtins.toJSON gitlabConfig)} ${cfg.statePath}/config/gitlab.yml
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ln -fs ${pkgs.writeText "database.yml" databaseYml} ${cfg.statePath}/config/database.yml
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ln -fs ${pkgs.writeText "unicorn.rb" unicornConfig} ${cfg.statePath}/config/unicorn.rb
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chown -R ${cfg.user}:${cfg.group} ${cfg.statePath}/
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chmod -R ug+rwX,o-rwx+X ${cfg.statePath}/
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# Install the shell required to push repositories
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ln -fs ${pkgs.writeText "config.yml" gitlabShellYml} "$GITLAB_SHELL_CONFIG_PATH"
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ln -fs ${cfg.packages.gitlab-shell}/hooks "$GITLAB_SHELL_HOOKS_PATH"
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${cfg.packages.gitlab-shell}/bin/install
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if [ "${cfg.databaseHost}" = "127.0.0.1" ]; then
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if ! test -e "${cfg.statePath}/db-created"; then
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psql postgres -c "CREATE ROLE gitlab WITH LOGIN NOCREATEDB NOCREATEROLE NOCREATEUSER ENCRYPTED PASSWORD '${cfg.databasePassword}'"
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${config.services.postgresql.package}/bin/createdb --owner gitlab gitlab || true
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touch "${cfg.statePath}/db-created"
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# The gitlab:setup task is horribly broken somehow, these two tasks will do the same for setting up the initial database
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${gitlab-runner}/bin/gitlab-runner exec rake db:migrate RAILS_ENV=production
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${gitlab-runner}/bin/gitlab-runner exec rake db:seed_fu RAILS_ENV=production \
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GITLAB_ROOT_PASSWORD="${cfg.initialRootPassword}" GITLAB_ROOT_EMAIL="${cfg.initialRootEmail}";
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fi
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fi
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# Always do the db migrations just to be sure the database is up-to-date
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${gitlab-runner}/bin/gitlab-runner exec rake db:migrate RAILS_ENV=production
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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 ${cfg.user}:${cfg.group} ${cfg.statePath}
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chmod -R u+rwX,go-rwx+X ${cfg.statePath}
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'';
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serviceConfig = {
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PermissionsStartOnly = true; # preStart must be run as root
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Type = "simple";
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User = cfg.user;
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Group = cfg.group;
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TimeoutSec = "300";
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WorkingDirectory = "${cfg.packages.gitlab}/share/gitlab";
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ExecStart="${bundler}/bin/bundle exec \"unicorn -c ${cfg.statePath}/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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