| `repository_checks_enabled` | boolean | no | GitLab will periodically run 'git fsck' in all project and wiki repositories to look for silent disk corruption issues. |
| `repository_storages` | array of strings | no | A list of names of enabled storage paths, taken from `gitlab.yml`. New projects will be created in one of these stores, chosen at random. |
| `require_two_factor_authentication` | boolean | no | Require all users to setup Two-factor authentication |
| `restricted_visibility_levels` | array of strings | no | Selected levels cannot be used by non-admin users for projects or snippets. Can take `private`, `internal` and `public` as a parameter. Default is null which means there is no restriction. |
| `restricted_visibility_levels` | array of strings | no | Selected levels cannot be used by non-admin users for groups, projects or snippets. Can take `private`, `internal` and `public` as a parameter. Default is null which means there is no restriction. |
| `rsa_key_restriction` | integer | no | The minimum allowed bit length of an uploaded RSA key. Default is `0` (no restriction). `-1` disables RSA keys. |
| `send_user_confirmation_email` | boolean | no | Send confirmation email on sign-up |
| `sentry_dsn` | string | yes (if `sentry_enabled` is true) | Sentry Data Source Name |
optional:default_project_visibility,type: String,values: Gitlab::VisibilityLevel.string_values,desc: 'The default project visibility'
optional:default_snippet_visibility,type: String,values: Gitlab::VisibilityLevel.string_values,desc: 'The default snippet visibility'
optional:default_group_visibility,type: String,values: Gitlab::VisibilityLevel.string_values,desc: 'The default group visibility'
optional:restricted_visibility_levels,type: Array[String],desc: 'Selected levels cannot be used by non-admin users for projects or snippets. If the public level is restricted, user profiles are only visible to logged in users.'
optional:restricted_visibility_levels,type: Array[String],desc: 'Selected levels cannot be used by non-admin users for groups, projects or snippets. If the public level is restricted, user profiles are only visible to logged in users.'