Move MigrationService to HashedStorage module

This is part of the refactor to include a RollbackService into
HashedStorage module

app/services/projects/after_rename_service.rb

@@ -62,7 +62,7 @@ module Projects
     def rename_or_migrate_repository!
       success =
         if migrate_to_hashed_storage?
-          ::Projects::HashedStorageMigrationService
+          ::Projects::HashedStorage::MigrationService
             .new(project, full_path_before)
             .execute
         else

app/services/projects/hashed_storage/migration_service.rb

+# frozen_string_literal: true
+
+module Projects
+  module HashedStorage
+    class MigrationService < BaseService
+      attr_reader :logger, :old_disk_path
+
+      def initialize(project, old_disk_path, logger: nil)
+        @project = project
+        @old_disk_path = old_disk_path
+        @logger = logger || Rails.logger
+      end
+
+      def execute
+        # Migrate repository from Legacy to Hashed Storage
+        unless project.hashed_storage?(:repository)
+          return unless HashedStorage::MigrateRepositoryService.new(project, old_disk_path, logger: logger).execute
+        end
+
+        # Migrate attachments from Legacy to Hashed Storage
+        unless project.hashed_storage?(:attachments)
+          HashedStorage::MigrateAttachmentsService.new(project, old_disk_path, logger: logger).execute
+        end
+
+        true
+      end
+    end
+  end
+end

app/services/projects/hashed_storage_migration_service.rb

-# frozen_string_literal: true
-
-module Projects
-  class HashedStorageMigrationService < BaseService
-    attr_reader :logger, :old_disk_path
-
-    def initialize(project, old_disk_path, logger: nil)
-      @project = project
-      @old_disk_path = old_disk_path
-      @logger = logger || Rails.logger
-    end
-
-    def execute
-      # Migrate repository from Legacy to Hashed Storage
-      unless project.hashed_storage?(:repository)
-        return unless HashedStorage::MigrateRepositoryService.new(project, old_disk_path, logger: logger).execute
-      end
-
-      # Migrate attachments from Legacy to Hashed Storage
-      unless project.hashed_storage?(:attachments)
-        HashedStorage::MigrateAttachmentsService.new(project, old_disk_path, logger: logger).execute
-      end
-
-      true
-    end
-  end
-end

app/workers/project_migrate_hashed_storage_worker.rb

@@ -12,7 +12,7 @@ class ProjectMigrateHashedStorageWorker
 
     uuid = lease_for(project_id).try_obtain
     if uuid
-      ::Projects::HashedStorageMigrationService.new(project, old_disk_path || project.full_path, logger: logger).execute
+      ::Projects::HashedStorage::MigrationService.new(project, old_disk_path || project.full_path, logger: logger).execute
     else
       false
     end

spec/services/projects/after_rename_service_spec.rb

@@ -101,10 +101,10 @@ describe Projects::AfterRenameService do
       end
 
       context 'with hashed storage upgrade when renaming enabled' do
-        it 'calls HashedStorageMigrationService with correct options' do
+        it 'calls HashedStorage::MigrationService with correct options' do
           stub_application_setting(hashed_storage_enabled: true)
 
-          expect_next_instance_of(::Projects::HashedStorageMigrationService) do |service|
+          expect_next_instance_of(::Projects::HashedStorage::MigrationService) do |service|
             expect(service).to receive(:execute).and_return(true)
           end
 

spec/services/projects/hashed_storage_migration_service_spec.rb → spec/services/projects/hashed_storage/migration_service_spec.rb

 require 'spec_helper'
 
-describe Projects::HashedStorageMigrationService do
+describe Projects::HashedStorage::MigrationService do
   let(:project) { create(:project, :empty_repo, :wiki_repo, :legacy_storage) }
   let(:logger) { double }
 

spec/workers/project_migrate_hashed_storage_worker_spec.rb

@@ -9,7 +9,7 @@ describe ProjectMigrateHashedStorageWorker, :clean_gitlab_redis_shared_state do
     let(:lease_timeout) { ProjectMigrateHashedStorageWorker::LEASE_TIMEOUT }
 
     it 'skips when project no longer exists' do
-      expect(::Projects::HashedStorageMigrationService).not_to receive(:new)
+      expect(::Projects::HashedStorage::MigrationService).not_to receive(:new)
 
       subject.perform(-1)
     end
@@ -17,7 +17,7 @@ describe ProjectMigrateHashedStorageWorker, :clean_gitlab_redis_shared_state do
     it 'skips when project is pending delete' do
       pending_delete_project = create(:project, :empty_repo, pending_delete: true)
 
-      expect(::Projects::HashedStorageMigrationService).not_to receive(:new)
+      expect(::Projects::HashedStorage::MigrationService).not_to receive(:new)
 
       subject.perform(pending_delete_project.id)
     end
@@ -27,7 +27,7 @@ describe ProjectMigrateHashedStorageWorker, :clean_gitlab_redis_shared_state do
 
       migration_service = spy
 
-      allow(::Projects::HashedStorageMigrationService)
+      allow(::Projects::HashedStorage::MigrationService)
         .to receive(:new).with(project, project.full_path, logger: subject.logger)
         .and_return(migration_service)
 
@@ -39,7 +39,7 @@ describe ProjectMigrateHashedStorageWorker, :clean_gitlab_redis_shared_state do
     it 'skips when dont have lease when dont have exclusive lease' do
       stub_exclusive_lease_taken(lease_key, timeout: lease_timeout)
 
-      expect(::Projects::HashedStorageMigrationService).not_to receive(:new)
+      expect(::Projects::HashedStorage::MigrationService).not_to receive(:new)
 
       subject.perform(project.id)
     end