Cleanup unused update_index

After 2b9ca1d1,
Indexer would automatically choose last commit to start indexing from.

ee/app/workers/elastic_batch_project_indexer_worker.rb

@@ -10,15 +10,15 @@ class ElasticBatchProjectIndexerWorker
   # necessary
   sidekiq_options retry: 10
 
-  def perform(start, finish, update_index = false)
+  def perform(start, finish)
     projects = build_relation(start, finish)
 
-    projects.find_each { |project| run_indexer(project, update_index) }
+    projects.find_each { |project| run_indexer(project) }
   end
 
   private
 
-  def run_indexer(project, update_index)
+  def run_indexer(project)
     return unless project.use_elasticsearch?
 
     # Ensure we remove the hold on the project, no matter what, so ElasticCommitIndexerWorker can do its thing

ee/lib/tasks/gitlab/elastic.rake

@@ -19,7 +19,7 @@ namespace :gitlab do
       print "Enqueuing project repositories in batches of #{batch_size}"
 
       project_id_batches do |start, finish|
-        ElasticBatchProjectIndexerWorker.perform_async(start, finish, ENV['UPDATE_INDEX'])
+        ElasticBatchProjectIndexerWorker.perform_async(start, finish)
         print "."
       end
 
@@ -41,7 +41,7 @@ namespace :gitlab do
 
       Sidekiq::Logging.logger = Logger.new(STDOUT)
       project_id_batches do |start, finish|
-        ElasticBatchProjectIndexerWorker.new.perform(start, finish, ENV['UPDATE_INDEX'])
+        ElasticBatchProjectIndexerWorker.new.perform(start, finish)
       end
     end
 

ee/spec/workers/elastic_batch_project_indexer_worker_spec.rb

@@ -16,7 +16,7 @@ describe ElasticBatchProjectIndexerWorker do
       end
 
       it 'only indexes the enabled project' do
-        projects.each { |project| expect_index(project, false).and_call_original }
+        projects.each { |project| expect_index(project).and_call_original }
 
         expect(Gitlab::Elastic::Indexer).to receive(:new).with(projects.first).and_return(double(run: true))
         expect(Gitlab::Elastic::Indexer).not_to receive(:new).with(projects.last)
@@ -26,14 +26,14 @@ describe ElasticBatchProjectIndexerWorker do
     end
 
     it 'runs the indexer for projects in the batch range' do
-      projects.each { |project| expect_index(project, false) }
+      projects.each { |project| expect_index(project) }
 
       worker.perform(projects.first.id, projects.last.id)
     end
 
     it 'skips projects not in the batch range' do
-      expect_index(projects.first, false).never
-      expect_index(projects.last, false)
+      expect_index(projects.first).never
+      expect_index(projects.last)
 
       worker.perform(projects.last.id, projects.last.id)
     end
@@ -41,7 +41,7 @@ describe ElasticBatchProjectIndexerWorker do
     it 'clears the "locked" state from redis when the project finishes indexing' do
       Gitlab::Redis::SharedState.with { |redis| redis.sadd(:elastic_projects_indexing, projects.first.id) }
 
-      expect_index(projects.first, false).and_call_original
+      expect_index(projects.first).and_call_original
       expect_next_instance_of(Gitlab::Elastic::Indexer) do |indexer|
         expect(indexer).to receive(:run)
       end
@@ -50,11 +50,17 @@ describe ElasticBatchProjectIndexerWorker do
         .to change { project_locked?(projects.first) }.from(true).to(false)
     end
 
-    context 'update_index = false' do
+    it 'reindexes projects that were already indexed' do
+      expect_index(projects.first)
+      expect_index(projects.last)
+
+      worker.perform(projects.first.id, projects.last.id)
+    end
+
     it 'indexes all projects it receives even if already indexed' do
       projects.first.index_status.update!(last_commit: 'foo')
 
-        expect_index(projects.first, false).and_call_original
+      expect_index(projects.first).and_call_original
       expect_next_instance_of(Gitlab::Elastic::Indexer) do |indexer|
         expect(indexer).to receive(:run)
       end
@@ -63,27 +69,8 @@ describe ElasticBatchProjectIndexerWorker do
     end
   end
 
-    context 'with update_index' do
-      it 'reindexes projects that were already indexed' do
-        expect_index(projects.first, true)
-        expect_index(projects.last, true)
-
-        worker.perform(projects.first.id, projects.last.id, true)
-      end
-
-      it 'starts indexing at the last indexed commit' do
-        projects.first.index_status.update!(last_commit: 'foo')
-
-        expect_index(projects.first, true).and_call_original
-        expect_any_instance_of(Gitlab::Elastic::Indexer).to receive(:run)
-
-        worker.perform(projects.first.id, projects.first.id, true)
-      end
-    end
-  end
-
-  def expect_index(project, update_index)
-    expect(worker).to receive(:run_indexer).with(project, update_index)
+  def expect_index(project)
+    expect(worker).to receive(:run_indexer).with(project)
   end
 
   def project_locked?(project)