Remove deprecated `repository_storage` attribute

In favor of the new `repository_storages`

app/models/application_setting.rb

@@ -315,7 +315,9 @@ class ApplicationSetting < ActiveRecord::Base
     Array(read_attribute(:repository_storages))
   end
+  # DEPRECATED
   # repository_storage is still required in the API. Remove in 9.0
+  # Still used in API v3
   def repository_storage
     repository_storages.first
   end

doc/api/settings.md

@@ -42,7 +42,6 @@ Example response:
    "gravatar_enabled" : true,
    "sign_in_text" : null,
    "container_registry_token_expire_delay": 5,
-   "repository_storage": "default",
    "repository_storages": ["default"],
    "koding_enabled": false,
    "koding_url": null,
@@ -81,7 +80,6 @@ PUT /application/settings
 | `after_sign_out_path` | string | no | Where to redirect users after logout |
 | `container_registry_token_expire_delay` | integer | no | Container Registry token duration in minutes |
 | `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. |
-| `repository_storage` | string | no | The first entry in `repository_storages`. Deprecated, but retained for compatibility reasons |
 | `enabled_git_access_protocol` | string | no | Enabled protocols for Git access. Allowed values are: `ssh`, `http`, and `nil` to allow both protocols. |
 | `koding_enabled` | boolean | no | Enable Koding integration. Default is `false`. |
 | `koding_url` | string | yes (if `koding_enabled` is `true`) |  The Koding instance URL for integration. |
@@ -121,7 +119,7 @@ Example response:
   "user_oauth_applications": true,
   "after_sign_out_path": "",
   "container_registry_token_expire_delay": 5,
-  "repository_storage": "default",
+  "repository_storages": ["default"],
   "koding_enabled": false,
   "koding_url": null,
   "plantuml_enabled": false,

lib/api/settings.rb

@@ -20,59 +20,6 @@ module API
       success Entities::ApplicationSetting
     end
     params do
-      # CE
-      at_least_one_of_ce = [
-        :admin_notification_email,
-        :after_sign_out_path,
-        :after_sign_up_text,
-        :akismet_enabled,
-        :container_registry_token_expire_delay,
-        :default_artifacts_expire_in,
-        :default_branch_protection,
-        :default_group_visibility,
-        :default_project_visibility,
-        :default_projects_limit,
-        :default_snippet_visibility,
-        :disabled_oauth_sign_in_sources,
-        :domain_blacklist_enabled,
-        :domain_whitelist,
-        :email_author_in_body,
-        :enabled_git_access_protocol,
-        :gravatar_enabled,
-        :help_page_hide_commercial_content,
-        :help_page_text,
-        :help_page_support_url,
-        :home_page_url,
-        :housekeeping_enabled,
-        :html_emails_enabled,
-        :import_sources,
-        :koding_enabled,
-        :max_artifacts_size,
-        :max_attachment_size,
-        :max_pages_size,
-        :metrics_enabled,
-        :plantuml_enabled,
-        :polling_interval_multiplier,
-        :recaptcha_enabled,
-        :repository_checks_enabled,
-        :repository_storage,
-        :require_two_factor_authentication,
-        :restricted_visibility_levels,
-        :send_user_confirmation_email,
-        :sentry_enabled,
-        :clientside_sentry_enabled,
-        :session_expire_delay,
-        :shared_runners_enabled,
-        :sidekiq_throttling_enabled,
-        :sign_in_text,
-        :password_authentication_enabled,
-        :signin_enabled,
-        :signup_enabled,
-        :terminal_max_session_time,
-        :user_default_external,
-        :user_oauth_applications,
-        :version_check_enabled
-      ]
       optional :default_branch_protection, type: Integer, values: [0, 1, 2], desc: 'Determine if developers can push to master'
       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'
@@ -151,7 +98,7 @@ module API
       given clientside_sentry_enabled: ->(val) { val } do
         requires :clientside_sentry_dsn, type: String, desc: 'Clientside Sentry Data Source Name'
       end
-      optional :repository_storage, type: String, desc: 'Storage paths for new projects'
+      optional :repository_storages, type: Array[String], desc: 'Storage paths for new projects'
       optional :repository_checks_enabled, type: Boolean, desc: "GitLab will periodically run 'git fsck' in all project and wiki repositories to look for silent disk corruption issues."
       optional :koding_enabled, type: Boolean, desc: 'Enable Koding'
       given koding_enabled: ->(val) { val } do

spec/requests/api/settings_spec.rb

@@ -11,7 +11,7 @@ describe API::Settings, 'Settings' do
       expect(json_response).to be_an Hash
       expect(json_response['default_projects_limit']).to eq(42)
       expect(json_response['password_authentication_enabled']).to be_truthy
-      expect(json_response['repository_storage']).to eq('default')
+      expect(json_response['repository_storages']).to eq(['default'])
       expect(json_response['koding_enabled']).to be_falsey
       expect(json_response['koding_url']).to be_nil
       expect(json_response['plantuml_enabled']).to be_falsey
@@ -33,7 +33,7 @@ describe API::Settings, 'Settings' do
         put api("/application/settings", admin),
           default_projects_limit: 3,
           password_authentication_enabled: false,
-          repository_storage: 'custom',
+          repository_storages: ['custom'],
           koding_enabled: true,
           koding_url: 'http://koding.example.com',
           plantuml_enabled: true,
@@ -47,7 +47,6 @@ describe API::Settings, 'Settings' do
         expect(response).to have_http_status(200)
         expect(json_response['default_projects_limit']).to eq(3)
         expect(json_response['password_authentication_enabled']).to be_falsey
-        expect(json_response['repository_storage']).to eq('custom')
         expect(json_response['repository_storages']).to eq(['custom'])
         expect(json_response['koding_enabled']).to be_truthy
         expect(json_response['koding_url']).to eq('http://koding.example.com')