Simplify pipeline sidekiq queues naming scheme

app/workers/concerns/pipeline_queue.rb

@@ -5,14 +5,14 @@ module PipelineQueue
   extend ActiveSupport::Concern
   included do
-    sidekiq_options queue: 'pipelines-default'
+    sidekiq_options queue: 'pipeline_default'
   end
   class_methods do
-    def enqueue_in(queue:, group:)
-      raise ArgumentError if queue.empty? || group.empty?
-      sidekiq_options queue: "pipelines-#{queue}-#{group}"
+    def enqueue_in(group:)
+      raise ArgumentError, 'Unspecified queue group!' if group.empty?
+      sidekiq_options queue: "pipeline_#{group}"
     end
   end
 end

app/workers/pipeline_update_worker.rb

@@ -2,7 +2,7 @@ class PipelineUpdateWorker
   include Sidekiq::Worker
   include PipelineQueue
-  enqueue_in queue: :pipeline, group: :processing
+  enqueue_in group: :processing
   def perform(pipeline_id)
     Ci::Pipeline.find_by(id: pipeline_id)

config/sidekiq_queues.yml

@@ -27,7 +27,7 @@
   - [new_merge_request, 2]
   - [build, 2]
   - [pipeline, 2]
-  - [pipelines-pipeline-processing, 2]
+  - [pipeline_processing, 2]
   - [gitlab_shell, 2]
   - [email_receiver, 2]
   - [emails_on_push, 2]

spec/workers/concerns/pipeline_queue_spec.rb

@@ -10,15 +10,15 @@ describe PipelineQueue do
   it 'sets a default pipelines queue automatically' do
     expect(worker.sidekiq_options['queue'])
-      .to eq 'pipelines-default'
+      .to eq 'pipeline_default'
   end
   describe '.enqueue_in' do
-    it 'sets a custom sidekiq queue with prefix, name and group' do
-      worker.enqueue_in(queue: :build, group: :processing)
+    it 'sets a custom sidekiq queue with prefix and group' do
+      worker.enqueue_in(group: :processing)
       expect(worker.sidekiq_options['queue'])
-        .to eq 'pipelines-build-processing'
+        .to eq 'pipeline_processing'
     end
   end
 end