Only check Elasticsearch index_exists? when changing Advanced Search settings

ee/app/controllers/admin/elasticsearch_controller.rb

@@ -68,6 +68,11 @@ class Admin::ElasticsearchController < Admin::ApplicationController
   end
 
   def trigger_reindexing_params
-    params.require(:elastic_reindexing_task).permit(%i(max_slices_running slice_multiplier))
+    permitted_params = params.require(:elastic_reindexing_task).permit(:elasticsearch_max_slices_running, :elasticsearch_slice_multiplier)
+    trigger_reindexing_params = {}
+    trigger_reindexing_params[:max_slices_running] = permitted_params[:elasticsearch_max_slices_running] if permitted_params.has_key?(:elasticsearch_max_slices_running)
+    trigger_reindexing_params[:slice_multiplier] = permitted_params[:elasticsearch_slice_multiplier] if permitted_params.has_key?(:elasticsearch_slice_multiplier)
+
+    trigger_reindexing_params
   end
 end

ee/app/services/ee/application_settings/update_service.rb

@@ -23,7 +23,7 @@ module EE
         elasticsearch_project_ids = params.delete(:elasticsearch_project_ids)
 
         if result = super
-          find_or_create_elasticsearch_index
+          find_or_create_elasticsearch_index if params.keys.any? { |key| key.to_s.start_with?('elasticsearch') }
           update_elasticsearch_containers(ElasticsearchIndexedNamespace, elasticsearch_namespace_ids)
           update_elasticsearch_containers(ElasticsearchIndexedProject, elasticsearch_project_ids)
           update_elasticsearch_index_settings(number_of_replicas: elasticsearch_replicas, number_of_shards: elasticsearch_shards)

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

@@ -239,7 +239,7 @@
       %fieldset
         .form-group
           = f.label :slice_multiplier, _('Slice multiplier'), class: 'label-bold'
-          = f.number_field :slice_multiplier, class: 'form-control gl-form-input', value: @elasticsearch_reindexing_task.slice_multiplier
+          = f.number_field :elasticsearch_slice_multiplier, class: 'form-control gl-form-input', value: @elasticsearch_reindexing_task.slice_multiplier
           .form-text.gl-text-gray-600.gl-mt-0
             - slice_multiplier_link_url = help_page_path('integration/elasticsearch.md', anchor: 'slice-multiplier')
             - slice_multiplier_link_start = '<a href="%{url}" target="_blank" rel="noopener noreferrer">'.html_safe % { url: slice_multiplier_link_url }
@@ -247,7 +247,7 @@
 
         .form-group
           = f.label :max_slices_running, _('Maximum running slices'), class: 'label-bold'
-          = f.number_field :max_slices_running, class: 'form-control gl-form-input', value: @elasticsearch_reindexing_task.max_slices_running
+          = f.number_field :elasticsearch_max_slices_running, class: 'form-control gl-form-input', value: @elasticsearch_reindexing_task.max_slices_running
           .form-text.gl-text-gray-600.gl-mt-0
             - max_slices_running_link_url = help_page_path('integration/elasticsearch.md', anchor: 'maximum-running-slices')
             - max_slices_running_link_start = '<a href="%{url}" target="_blank" rel="noopener noreferrer">'.html_safe % { url: max_slices_running_link_url }

ee/changelogs/unreleased/321742-elasticsearch-index_exists-check-should-only-happen-when-changi.yml

+---
+title: Only check index status if modifying Advanced Search form
+merge_request: 62135
+author:
+type: fixed

ee/spec/controllers/admin/elasticsearch_controller_spec.rb

@@ -50,7 +50,7 @@ RSpec.describe Admin::ElasticsearchController do
         expect(task).to receive(:save).and_return(true)
       end
 
-      post :trigger_reindexing, params: { elastic_reindexing_task: { max_slices_running: 60, slice_multiplier: 2 } }
+      post :trigger_reindexing, params: { elastic_reindexing_task: { elasticsearch_max_slices_running: 60, elasticsearch_slice_multiplier: 2 } }
 
       expect(controller).to set_flash[:notice].to include('reindexing triggered')
       expect(response).to redirect_to advanced_search_admin_application_settings_path(anchor: 'js-elasticsearch-reindexing')
@@ -59,14 +59,14 @@ RSpec.describe Admin::ElasticsearchController do
     it 'does not create a reindexing task if there is another one' do
       allow(Elastic::ReindexingTask).to receive(:current).and_return(build(:elastic_reindexing_task))
 
-      post :trigger_reindexing, params: { elastic_reindexing_task: { max_slices_running: 60, slice_multiplier: 2 } }
+      post :trigger_reindexing, params: { elastic_reindexing_task: { elasticsearch_max_slices_running: 60, elasticsearch_slice_multiplier: 2 } }
 
       expect(controller).to set_flash[:warning].to include('already in progress')
       expect(response).to redirect_to advanced_search_admin_application_settings_path(anchor: 'js-elasticsearch-reindexing')
     end
 
     it 'does not create a reindexing task if a required param is nil' do
-      post :trigger_reindexing, params: { elastic_reindexing_task: { max_slices_running: nil, slice_multiplier: 2 } }
+      post :trigger_reindexing, params: { elastic_reindexing_task: { elasticsearch_max_slices_running: nil, elasticsearch_slice_multiplier: 2 } }
 
       expect(controller).to set_flash[:alert].to include('Elasticsearch reindexing was not started')
       expect(response).to redirect_to advanced_search_admin_application_settings_path(anchor: 'js-elasticsearch-reindexing')

ee/spec/services/application_settings/update_service_spec.rb

@@ -63,6 +63,16 @@ RSpec.describe ApplicationSettings::UpdateService do
             expect { service.execute }.not_to raise_error
           end
         end
+
+        context 'when modifying a non Advanced Search setting' do
+          let(:opts) { { repository_size_limit: '100' } }
+
+          it 'does not check index_exists' do
+            expect(helper).not_to receive(:create_empty_index)
+
+            service.execute
+          end
+        end
       end
     end