671 lines
22 KiB
Nix
671 lines
22 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 = "${cfg.packages.gitlab.rubyEnv}/${ruby.gemPath}";
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gitlabSocket = "${cfg.statePath}/tmp/sockets/gitlab.socket";
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gitalySocket = "${cfg.statePath}/tmp/sockets/gitaly.socket";
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pathUrlQuote = url: replaceStrings ["/"] ["%2F"] url;
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pgSuperUser = config.services.postgresql.superUser;
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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: ${cfg.databaseUsername}
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encoding: utf8
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'';
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gitalyToml = pkgs.writeText "gitaly.toml" ''
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socket_path = "${lib.escape ["\""] gitalySocket}"
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prometheus_listen_addr = "localhost:9236"
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[gitaly-ruby]
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dir = "${cfg.packages.gitaly.ruby}"
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[gitlab-shell]
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dir = "${cfg.packages.gitlab-shell}"
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${concatStringsSep "\n" (attrValues (mapAttrs (k: v: ''
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[[storage]]
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name = "${lib.escape ["\""] k}"
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path = "${lib.escape ["\""] v.path}"
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'') gitlabConfig.production.repositories.storages))}
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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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redisYml = ''
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production:
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url: redis://localhost:6379/
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'';
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secretsYml = ''
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production:
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secret_key_base: ${cfg.secrets.secret}
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otp_key_base: ${cfg.secrets.otp}
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db_key_base: ${cfg.secrets.db}
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jws_private_key: ${builtins.toJSON cfg.secrets.jws}
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'';
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gitlabConfig = {
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# These are the default settings from config/gitlab.example.yml
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production = flip recursiveUpdate cfg.extraConfig {
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gitlab = {
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host = cfg.host;
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port = cfg.port;
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https = cfg.https;
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user = cfg.user;
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email_enabled = true;
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email_display_name = "GitLab";
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email_reply_to = "noreply@localhost";
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default_theme = 2;
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default_projects_features = {
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issues = true;
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merge_requests = true;
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wiki = true;
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snippets = true;
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builds = true;
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container_registry = true;
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};
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};
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repositories.storages.default.path = "${cfg.statePath}/repositories";
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repositories.storages.default.gitaly_address = "unix:${gitalySocket}";
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artifacts.enabled = true;
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lfs.enabled = true;
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gravatar.enabled = true;
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cron_jobs = { };
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gitlab_ci.builds_path = "${cfg.statePath}/builds";
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ldap.enabled = false;
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omniauth.enabled = false;
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shared.path = "${cfg.statePath}/shared";
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backup.path = "${cfg.backupPath}";
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gitlab_shell = {
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path = "${cfg.packages.gitlab-shell}";
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hooks_path = "${cfg.statePath}/shell/hooks";
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secret_file = "${cfg.statePath}/config/gitlab_shell_secret";
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upload_pack = true;
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receive_pack = true;
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};
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workhorse = {
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secret_file = "${cfg.statePath}/.gitlab_workhorse_secret";
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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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monitoring = {
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ip_whitelist = [ "127.0.0.0/8" "::1/128" ];
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sidekiq_exporter = {
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enable = true;
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address = "localhost";
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port = 3807;
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};
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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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GITLAB_REDIS_CONFIG_FILE = pkgs.writeText "gitlab-redis.yml" redisYml;
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prometheus_multiproc_dir = "/run/gitlab";
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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-rake = pkgs.stdenv.mkDerivation rec {
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name = "gitlab-rake";
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buildInputs = [ cfg.packages.gitlab cfg.packages.gitlab.rubyEnv 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 ${cfg.packages.gitlab.rubyEnv}/bin/bundle $out/bin/gitlab-bundle \
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${concatStrings (mapAttrsToList (name: value: "--set ${name} '${value}' ") gitlabEnv)} \
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--set GITLAB_CONFIG_PATH '${cfg.statePath}/config' \
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--set PATH '${lib.makeBinPath [ pkgs.nodejs pkgs.gzip pkgs.git pkgs.gnutar config.services.postgresql.package ]}:$PATH' \
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--set RAKEOPT '-f ${cfg.packages.gitlab}/share/gitlab/Rakefile' \
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--run 'cd ${cfg.packages.gitlab}/share/gitlab'
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makeWrapper $out/bin/gitlab-bundle $out/bin/gitlab-rake \
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--add-flags "exec rake"
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'';
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};
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smtpSettings = pkgs.writeText "gitlab-smtp-settings.rb" ''
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if Rails.env.production?
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Rails.application.config.action_mailer.delivery_method = :smtp
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ActionMailer::Base.delivery_method = :smtp
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ActionMailer::Base.smtp_settings = {
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address: "${cfg.smtp.address}",
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port: ${toString cfg.smtp.port},
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${optionalString (cfg.smtp.username != null) ''user_name: "${cfg.smtp.username}",''}
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${optionalString (cfg.smtp.password != null) ''password: "${cfg.smtp.password}",''}
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domain: "${cfg.smtp.domain}",
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${optionalString (cfg.smtp.authentication != null) "authentication: :${cfg.smtp.authentication},"}
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enable_starttls_auto: ${toString cfg.smtp.enableStartTLSAuto},
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openssl_verify_mode: '${cfg.smtp.opensslVerifyMode}'
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}
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end
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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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defaultText = "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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defaultText = "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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defaultText = "pkgs.gitlab-workhorse";
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description = "Reference to the gitlab-workhorse package";
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};
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packages.gitaly = mkOption {
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type = types.package;
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default = pkgs.gitaly;
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defaultText = "pkgs.gitaly";
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description = "Reference to the gitaly 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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smtp = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = "Enable gitlab mail delivery over SMTP.";
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};
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address = mkOption {
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type = types.str;
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default = "localhost";
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description = "Address of the SMTP server for Gitlab.";
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};
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port = mkOption {
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type = types.int;
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default = 465;
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description = "Port of the SMTP server for Gitlab.";
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};
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username = mkOption {
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type = types.nullOr types.str;
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default = null;
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description = "Username of the SMTP server for Gitlab.";
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};
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password = mkOption {
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type = types.nullOr types.str;
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default = null;
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description = "Password of the SMTP server for Gitlab.";
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};
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domain = mkOption {
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type = types.str;
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default = "localhost";
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description = "HELO domain to use for outgoing mail.";
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};
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authentication = mkOption {
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type = types.nullOr types.str;
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default = null;
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description = "Authentitcation type to use, see http://api.rubyonrails.org/classes/ActionMailer/Base.html";
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};
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enableStartTLSAuto = mkOption {
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type = types.bool;
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default = true;
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description = "Whether to try to use StartTLS.";
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};
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opensslVerifyMode = mkOption {
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type = types.str;
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default = "peer";
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description = "How OpenSSL checks the certificate, see http://api.rubyonrails.org/classes/ActionMailer/Base.html";
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};
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};
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secrets.secret = mkOption {
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type = types.str;
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description = ''
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The secret is used to encrypt variables in the DB. If
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you change or lose this key you will be unable to access variables
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stored in database.
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Make sure the secret is at least 30 characters and all random,
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no regular words or you'll be exposed to dictionary attacks.
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'';
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};
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secrets.db = mkOption {
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type = types.str;
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description = ''
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The secret is used to encrypt variables in the DB. If
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you change or lose this key you will be unable to access variables
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stored in database.
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Make sure the secret is at least 30 characters and all random,
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no regular words or you'll be exposed to dictionary attacks.
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'';
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};
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secrets.otp = mkOption {
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type = types.str;
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description = ''
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The secret is used to encrypt secrets for OTP tokens. If
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you change or lose this key, users which have 2FA enabled for login
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won't be able to login anymore.
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Make sure the secret is at least 30 characters and all random,
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no regular words or you'll be exposed to dictionary attacks.
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'';
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};
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secrets.jws = mkOption {
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type = types.str;
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description = ''
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The secret is used to encrypt session keys. If you change or lose
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this key, users will be disconnected.
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Make sure the secret is an RSA private key in PEM format. You can
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generate one with
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openssl genrsa 2048
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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-rake 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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partOf = [ "gitlab.service" ];
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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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gnupg
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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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Restart = "on-failure";
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WorkingDirectory = "${cfg.packages.gitlab}/share/gitlab";
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ExecStart="${cfg.packages.gitlab.rubyEnv}/bin/bundle exec \"sidekiq -C \"${cfg.packages.gitlab}/share/gitlab/config/sidekiq_queues.yml\" -e production -P ${cfg.statePath}/tmp/sidekiq.pid\"";
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};
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};
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systemd.services.gitaly = {
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after = [ "network.target" "gitlab.service" ];
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wantedBy = [ "multi-user.target" ];
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environment.HOME = gitlabEnv.HOME;
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path = with pkgs; [ gitAndTools.git cfg.packages.gitaly.rubyEnv ];
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serviceConfig = {
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#PermissionsStartOnly = true; # preStart must be run as root
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Type = "simple";
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User = cfg.user;
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Group = cfg.group;
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TimeoutSec = "300";
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Restart = "on-failure";
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WorkingDirectory = gitlabEnv.HOME;
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ExecStart = "${cfg.packages.gitaly}/bin/gitaly ${gitalyToml}";
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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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gnutar
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gzip
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openssh
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gitlab-workhorse
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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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Restart = "on-failure";
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WorkingDirectory = gitlabEnv.HOME;
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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 "
|
|
+ "-authSocket ${gitlabSocket} "
|
|
+ "-documentRoot ${cfg.packages.gitlab}/share/gitlab/public "
|
|
+ "-secretPath ${cfg.statePath}/.gitlab_workhorse_secret";
|
|
};
|
|
};
|
|
|
|
systemd.services.gitlab = {
|
|
after = [ "network.target" "postgresql.service" "redis.service" ];
|
|
requires = [ "gitlab-sidekiq.service" ];
|
|
wantedBy = [ "multi-user.target" ];
|
|
environment = gitlabEnv;
|
|
path = with pkgs; [
|
|
config.services.postgresql.package
|
|
gitAndTools.git
|
|
openssh
|
|
nodejs
|
|
procps
|
|
gnupg
|
|
];
|
|
preStart = ''
|
|
mkdir -p ${cfg.backupPath}
|
|
mkdir -p ${cfg.statePath}/builds
|
|
mkdir -p ${cfg.statePath}/repositories
|
|
mkdir -p ${gitlabConfig.production.shared.path}/artifacts
|
|
mkdir -p ${gitlabConfig.production.shared.path}/lfs-objects
|
|
mkdir -p ${gitlabConfig.production.shared.path}/pages
|
|
mkdir -p ${cfg.statePath}/log
|
|
mkdir -p ${cfg.statePath}/tmp/pids
|
|
mkdir -p ${cfg.statePath}/tmp/sockets
|
|
mkdir -p ${cfg.statePath}/shell
|
|
|
|
rm -rf ${cfg.statePath}/config ${cfg.statePath}/shell/hooks
|
|
mkdir -p ${cfg.statePath}/config
|
|
|
|
${pkgs.openssl}/bin/openssl rand -hex 32 > ${cfg.statePath}/config/gitlab_shell_secret
|
|
|
|
# The uploads directory is hardcoded somewhere deep in rails. It is
|
|
# symlinked in the gitlab package to /run/gitlab/uploads to make it
|
|
# configurable
|
|
mkdir -p /run/gitlab
|
|
mkdir -p ${cfg.statePath}/{log,uploads}
|
|
ln -sf ${cfg.statePath}/log /run/gitlab/log
|
|
ln -sf ${cfg.statePath}/uploads /run/gitlab/uploads
|
|
ln -sf ${cfg.statePath}/tmp /run/gitlab/tmp
|
|
chown -R ${cfg.user}:${cfg.group} /run/gitlab
|
|
|
|
# Prepare home directory
|
|
mkdir -p ${gitlabEnv.HOME}/.ssh
|
|
touch ${gitlabEnv.HOME}/.ssh/authorized_keys
|
|
chown -R ${cfg.user}:${cfg.group} ${gitlabEnv.HOME}/
|
|
|
|
cp -rf ${cfg.packages.gitlab}/share/gitlab/config.dist/* ${cfg.statePath}/config
|
|
${optionalString cfg.smtp.enable ''
|
|
ln -sf ${smtpSettings} ${cfg.statePath}/config/initializers/smtp_settings.rb
|
|
''}
|
|
ln -sf ${cfg.statePath}/config /run/gitlab/config
|
|
cp ${cfg.packages.gitlab}/share/gitlab/VERSION ${cfg.statePath}/VERSION
|
|
|
|
# JSON is a subset of YAML
|
|
ln -fs ${pkgs.writeText "gitlab.yml" (builtins.toJSON gitlabConfig)} ${cfg.statePath}/config/gitlab.yml
|
|
ln -fs ${pkgs.writeText "database.yml" databaseYml} ${cfg.statePath}/config/database.yml
|
|
ln -fs ${pkgs.writeText "secrets.yml" secretsYml} ${cfg.statePath}/config/secrets.yml
|
|
ln -fs ${pkgs.writeText "unicorn.rb" unicornConfig} ${cfg.statePath}/config/unicorn.rb
|
|
|
|
chown -R ${cfg.user}:${cfg.group} ${cfg.statePath}/
|
|
chmod -R ug+rwX,o-rwx+X ${cfg.statePath}/
|
|
|
|
# Install the shell required to push repositories
|
|
ln -fs ${pkgs.writeText "config.yml" gitlabShellYml} "$GITLAB_SHELL_CONFIG_PATH"
|
|
ln -fs ${cfg.packages.gitlab-shell}/hooks "$GITLAB_SHELL_HOOKS_PATH"
|
|
${cfg.packages.gitlab-shell}/bin/install
|
|
|
|
if [ "${cfg.databaseHost}" = "127.0.0.1" ]; then
|
|
if ! test -e "${cfg.statePath}/db-created"; then
|
|
${pkgs.sudo}/bin/sudo -u ${pgSuperUser} psql postgres -c "CREATE ROLE ${cfg.databaseUsername} WITH LOGIN NOCREATEDB NOCREATEROLE ENCRYPTED PASSWORD '${cfg.databasePassword}'"
|
|
${pkgs.sudo}/bin/sudo -u ${pgSuperUser} ${config.services.postgresql.package}/bin/createdb --owner ${cfg.databaseUsername} ${cfg.databaseName}
|
|
touch "${cfg.statePath}/db-created"
|
|
fi
|
|
fi
|
|
|
|
# enable required pg_trgm extension for gitlab
|
|
${pkgs.sudo}/bin/sudo -u ${pgSuperUser} psql ${cfg.databaseName} -c "CREATE EXTENSION IF NOT EXISTS pg_trgm"
|
|
# Always do the db migrations just to be sure the database is up-to-date
|
|
${gitlab-rake}/bin/gitlab-rake db:migrate RAILS_ENV=production
|
|
|
|
# The gitlab:setup task is horribly broken somehow, the db:migrate
|
|
# task above and the db:seed_fu below will do the same for setting
|
|
# up the initial database
|
|
if ! test -e "${cfg.statePath}/db-seeded"; then
|
|
${gitlab-rake}/bin/gitlab-rake db:seed_fu RAILS_ENV=production \
|
|
GITLAB_ROOT_PASSWORD='${cfg.initialRootPassword}' GITLAB_ROOT_EMAIL='${cfg.initialRootEmail}'
|
|
touch "${cfg.statePath}/db-seeded"
|
|
fi
|
|
|
|
# The gitlab:shell:create_hooks task seems broken for fixing links
|
|
# so we instead delete all the hooks and create them anew
|
|
rm -f ${cfg.statePath}/repositories/**/*.git/hooks
|
|
${gitlab-rake}/bin/gitlab-rake gitlab:shell:create_hooks RAILS_ENV=production
|
|
|
|
# Change permissions in the last step because some of the
|
|
# intermediary scripts like to create directories as root.
|
|
chown -R ${cfg.user}:${cfg.group} ${cfg.statePath}
|
|
chmod -R ug+rwX,o-rwx+X ${cfg.statePath}
|
|
chmod -R u+rwX,go-rwx+X ${gitlabEnv.HOME}
|
|
chmod -R ug+rwX,o-rwx ${cfg.statePath}/repositories
|
|
chmod -R ug-s ${cfg.statePath}/repositories
|
|
find ${cfg.statePath}/repositories -type d -print0 | xargs -0 chmod g+s
|
|
chmod 770 ${cfg.statePath}/uploads
|
|
chown -R ${cfg.user} ${cfg.statePath}/uploads
|
|
find ${cfg.statePath}/uploads -type f -exec chmod 0644 {} \;
|
|
find ${cfg.statePath}/uploads -type d -not -path ${cfg.statePath}/uploads -exec chmod 0770 {} \;
|
|
'';
|
|
|
|
serviceConfig = {
|
|
PermissionsStartOnly = true; # preStart must be run as root
|
|
Type = "simple";
|
|
User = cfg.user;
|
|
Group = cfg.group;
|
|
TimeoutSec = "300";
|
|
Restart = "on-failure";
|
|
WorkingDirectory = "${cfg.packages.gitlab}/share/gitlab";
|
|
ExecStart = "${cfg.packages.gitlab.rubyEnv}/bin/bundle exec \"unicorn -c ${cfg.statePath}/config/unicorn.rb -E production\"";
|
|
};
|
|
|
|
};
|
|
|
|
};
|
|
|
|
meta.doc = ./gitlab.xml;
|
|
|
|
}
|