Merge branch '47513-upload-migration-lease-key-is-incorrect-for-non-mounted-uploaders' into 'master'

Resolve "Upload migration lease key is incorrect for non-mounted uploaders"

Closes #47513

See merge request gitlab-org/gitlab-ce!19600

app/uploaders/object_storage.rb

@@ -73,6 +73,15 @@ module ObjectStorage
                                                 upload.id)
       end
 
+      def exclusive_lease_key
+        # For FileUploaders, model may have many uploaders. In that case
+        # we want to use exclusive key per upload, not per model to allow
+        # parallel migration
+        key_object = upload || model
+
+        "object_storage_migrate:#{key_object.class}:#{key_object.id}"
+      end
+
       private
 
       def current_upload_satisfies?(paths, model)
@@ -316,6 +325,10 @@ module ObjectStorage
       super
     end
 
+    def exclusive_lease_key
+      "object_storage_migrate:#{model.class}:#{model.id}"
+    end
+
     private
 
     def schedule_background_upload?
@@ -382,10 +395,6 @@ module ObjectStorage
       end
     end
 
-    def exclusive_lease_key
-      "object_storage_migrate:#{model.class}:#{model.id}"
-    end
-
     def with_exclusive_lease
       lease_key = exclusive_lease_key
       uuid = Gitlab::ExclusiveLease.new(lease_key, timeout: 1.hour.to_i).try_obtain

changelogs/unreleased/47513-upload-migration-lease-key-is-incorrect-for-non-mounted-uploaders.yml

@@ -0,0 +1,5 @@
+---
+title: Use upload ID for creating lease key for file uploaders.
+merge_request:
+author:
+type: fixed

spec/support/shared_examples/uploaders/object_storage_shared_examples.rb

@@ -76,10 +76,8 @@ shared_examples "migrates" do |to_store:, from_store: nil|
   end
 
   context 'when migrate! is occupied by another process' do
-    let(:exclusive_lease_key) { "object_storage_migrate:#{subject.model.class}:#{subject.model.id}" }
-
     before do
-      @uuid = Gitlab::ExclusiveLease.new(exclusive_lease_key, timeout: 1.hour.to_i).try_obtain
+      @uuid = Gitlab::ExclusiveLease.new(subject.exclusive_lease_key, timeout: 1.hour.to_i).try_obtain
     end
 
     it 'does not execute migrate!' do
@@ -95,7 +93,7 @@ shared_examples "migrates" do |to_store:, from_store: nil|
     end
 
     after do
-      Gitlab::ExclusiveLease.cancel(exclusive_lease_key, @uuid)
+      Gitlab::ExclusiveLease.cancel(subject.exclusive_lease_key, @uuid)
     end
   end
 

spec/uploaders/object_storage_spec.rb

@@ -332,6 +332,18 @@ describe ObjectStorage do
         expect { uploader.use_file }.to raise_error(ObjectStorage::ExclusiveLeaseTaken)
       end
     end
+
+    it 'can still migrate other files of the same model' do
+      uploader2 = uploader_class.new(object, :file)
+      uploader2.upload = create(:upload)
+      uploader.upload = create(:upload)
+
+      when_file_is_in_use do
+        expect(uploader2).to receive(:unsafe_migrate!)
+
+        uploader2.migrate!(described_class::Store::REMOTE)
+      end
+    end
   end
 
   describe '#fog_credentials' do