Improve ES web indexing button

- Move up below indexing checkbox and tweak label
- Only show if indexing is enabled
- Keep section expanded after clicking

ee/app/controllers/admin/elasticsearch_controller.rb

@@ -4,7 +4,7 @@ class Admin::ElasticsearchController < Admin::ApplicationController
   before_action :check_elasticsearch_web_indexing_feature_flag!
 
   def check_elasticsearch_web_indexing_feature_flag!
-    render_404 unless Feature.enabled?(:elasticsearch_web_indexing)
+    render_404 unless Feature.enabled?(:elasticsearch_web_indexing, default_enabled: true)
   end
 
   # POST
@@ -16,6 +16,6 @@ class Admin::ElasticsearchController < Admin::ApplicationController
     queue_link = helpers.link_to(_('(check progress)'), sidekiq_path + '/queues/elastic_full_index')
     flash[:notice] = "#{notice} #{queue_link}".html_safe
 
-    redirect_back_or_default
+    redirect_to integrations_admin_application_settings_path(anchor: 'js-elasticsearch-settings')
   end
 end

ee/app/views/admin/application_settings/_elasticsearch_form.html.haml

@@ -25,6 +25,11 @@
               = f.label :elasticsearch_indexing, class: 'form-check-label' do
                 Elasticsearch indexing
 
+              - if Feature.enabled?(:elasticsearch_web_indexing, default_enabled: true) && Gitlab::CurrentSettings.elasticsearch_indexing?
+                .form-text
+                  = link_to _('Index all projects'), admin_elasticsearch_enqueue_index_path,
+                      class: 'btn btn-success', method: :post
+
           - missing = !Gitlab::Elastic::Indexer.experimental_indexer_present?
           .form-group
             .form-check
@@ -44,7 +49,7 @@
             = f.label :elasticsearch_url, 'URL', class: 'label-bold'
             = f.text_field :elasticsearch_url, value: @application_setting.elasticsearch_url.join(', '), class: 'form-control', placeholder: 'http://localhost:9200', data: { qa_selector: 'url_field' }
             .form-text.text-muted
-              The url to use for connecting to Elasticsearch. Use a comma-separated list to support clustering (e.g., "http://localhost:9200, http://localhost:9201").
+              The URL to use for connecting to Elasticsearch. Use a comma-separated list to support clustering (e.g., "http://localhost:9200, http://localhost:9201").
 
           .form-group
             = f.label :elasticsearch_shards, _('Number of Elasticsearch shards'), class: 'label-bold'
@@ -102,11 +107,3 @@
               AWS Secret Access Key.  Only required if not using role instance credentials
 
       = f.submit 'Save changes', class: "btn btn-success", data: { qa_selector: 'submit_button' }
-
-    - if Feature.enabled?(:elasticsearch_web_indexing)
-      %br
-      %h4
-        = _('Indexing')
-
-      = form_with url: admin_elasticsearch_enqueue_index_path, html: { class: 'fieldset-form' }, data: { remote: false } do |f|
-        = f.submit _('Start Indexing'), class: "btn btn-success"

ee/spec/controllers/admin/elasticsearch_controller_spec.rb

@@ -18,9 +18,10 @@ describe Admin::ElasticsearchController do
       post :enqueue_index
 
       expect(controller).to set_flash[:notice].to include('/admin/sidekiq/queues/elastic_full_index')
+      expect(response).to redirect_to integrations_admin_application_settings_path(anchor: 'js-elasticsearch-settings')
     end
 
-    context 'when feature disabled' do
+    context 'when feature is disabled' do
       it 'does nothing and returns 404' do
         stub_feature_flags(elasticsearch_web_indexing: false)
 

locale/gitlab.pot

@@ -8171,7 +8171,7 @@ msgstr ""
 msgid "Incompatible options set!"
 msgstr ""
 
-msgid "Indexing"
+msgid "Index all projects"
 msgstr ""
 
 msgid "Indicates whether this runner can pick jobs without tags"
@@ -14357,9 +14357,6 @@ msgstr ""
 msgid "Start GitLab Ultimate trial"
 msgstr ""
 
-msgid "Start Indexing"
-msgstr ""
-
 msgid "Start Web Terminal"
 msgstr ""