Rename CreateArtifactsTraceService to CreateTraceArtifactService

app/services/ci/create_artifacts_trace_service.rb

-module Ci
-  class CreateArtifactsTraceService < BaseService
-    def execute(job_id)
-      Ci::Build.find_by(id: job_id).try do |job|
-        return if job.job_artifacts_trace
-
-        job.trace.read do |stream|
-          job.create_job_artifacts_trace!(
-            project: job.project,
-            file_type: :trace,
-            file: stream.path) if stream.file?
-        end
-      end
-    end
-  end
-end

app/services/ci/create_trace_artifact_service.rb

+module Ci
+  class CreateTraceArtifactService < BaseService
+    def execute(job)
+      return if job.job_artifacts_trace
+
+      job.trace.read do |stream|
+        job.create_job_artifacts_trace!(
+          project: job.project,
+          file_type: :trace,
+          file: stream.path) if stream.file?
+      end
+    end
+  end
+end

app/workers/build_finished_worker.rb

@@ -7,7 +7,7 @@ class BuildFinishedWorker
   def perform(build_id)
     Ci::Build.find_by(id: build_id).try do |build|
       BuildTraceSectionsWorker.perform_async(build.id)
-      CreateArtifactsTraceWorker.perform_async(build.id)
+      CreateTraceArtifactWorker.perform_async(build.id)
       BuildCoverageWorker.new.perform(build.id)
       BuildHooksWorker.new.perform(build.id)
     end

app/workers/create_artifacts_trace_worker.rb → app/workers/create_trace_artifact_worker.rb

-class CreateArtifactsTraceWorker
+class CreateTraceArtifactWorker
   include ApplicationWorker
   include PipelineQueue
 
   def perform(job_id)
-    Ci::CreateArtifactsTraceService.new.execute(job_id)
+    Ci::Build.find_by(id: job_id).try do |job|
+      Ci::CreateTraceArtifactService.new.execute(job)
+    end
   end
 end

lib/gitlab/ci/trace.rb

-##
-# Current status of paths
-# Era 1: Live/Full traces in database (ci_builds.trace)
-# Era 2: Live/Full traces in `setting_root/YYYY_MM/project_ci_id/job_id.log`
-# Era 3: Live/Full traces in `setting_root/YYYY_MM/project_id/job_id.log`
-# Era 4: Live traces in `setting_root/YYYY_MM/project_id/job_id.log`. Full traces in JobArtifactUploader#default_path(FileStorage/ObjectStorage).
-#
-# The legacy paths are to be migrated to the latest era.
 module Gitlab
   module Ci
     class Trace