Stop creating destination repository for ReplicateRepository

Allows gitaly to use snapshot transfers when initialising the new
storage.

app/services/projects/update_repository_storage_service.rb

@@ -79,8 +79,6 @@ module Projects
         full_path
       )
 
-      new_repository.create_repository
-
       new_repository.replicate(raw_repository)
       new_checksum = new_repository.checksum
 

changelogs/unreleased/replicate_repository_stop_creating_destination.yml

+---
+title: Use snapshot transfers for repository shard moves when possible
+merge_request: 34113
+author:
+type: performance

spec/lib/gitlab/git/repository_spec.rb

@@ -2187,34 +2187,47 @@ RSpec.describe Gitlab::Git::Repository, :seed_helper do
         'gitaly_address' => Gitlab.config.repositories.storages.default.gitaly_address,
         'path' => TestEnv::SECOND_STORAGE_PATH
       })
-      new_repository.create_repository
     end
 
     after do
       new_repository.remove
     end
 
-    it 'mirrors the source repository' do
-      subject
+    context 'destination does not exist' do
+      it 'mirrors the source repository' do
+        subject
 
-      expect(refs(new_repository_path)).to eq(refs(repository_path))
+        expect(refs(new_repository_path)).to eq(refs(repository_path))
+      end
     end
 
-    context 'with keep-around refs' do
-      let(:sha) { SeedRepo::Commit::ID }
-      let(:keep_around_ref) { "refs/keep-around/#{sha}" }
-      let(:tmp_ref) { "refs/tmp/#{SecureRandom.hex}" }
-
+    context 'destination exists' do
       before do
-        repository.write_ref(keep_around_ref, sha)
-        repository.write_ref(tmp_ref, sha)
+        new_repository.create_repository
       end
 
-      it 'includes the temporary and keep-around refs' do
+      it 'mirrors the source repository' do
         subject
 
-        expect(refs(new_repository_path)).to include(keep_around_ref)
-        expect(refs(new_repository_path)).to include(tmp_ref)
+        expect(refs(new_repository_path)).to eq(refs(repository_path))
+      end
+
+      context 'with keep-around refs' do
+        let(:sha) { SeedRepo::Commit::ID }
+        let(:keep_around_ref) { "refs/keep-around/#{sha}" }
+        let(:tmp_ref) { "refs/tmp/#{SecureRandom.hex}" }
+
+        before do
+          repository.write_ref(keep_around_ref, sha)
+          repository.write_ref(tmp_ref, sha)
+        end
+
+        it 'includes the temporary and keep-around refs' do
+          subject
+
+          expect(refs(new_repository_path)).to include(keep_around_ref)
+          expect(refs(new_repository_path)).to include(tmp_ref)
+        end
       end
     end
   end

spec/services/projects/update_repository_storage_service_spec.rb

@@ -37,8 +37,6 @@ RSpec.describe Projects::UpdateRepositoryStorageService do
             project.repository.path_to_repo
           end
 
-          expect(project_repository_double).to receive(:create_repository)
-            .and_return(true)
           expect(project_repository_double).to receive(:replicate)
             .with(project.repository.raw)
           expect(project_repository_double).to receive(:checksum)
@@ -72,8 +70,6 @@ RSpec.describe Projects::UpdateRepositoryStorageService do
           allow(Gitlab::GitalyClient).to receive(:filesystem_id).with('default').and_call_original
           allow(Gitlab::GitalyClient).to receive(:filesystem_id).with('test_second_storage').and_return(SecureRandom.uuid)
 
-          expect(project_repository_double).to receive(:create_repository)
-            .and_return(true)
           expect(project_repository_double).to receive(:replicate)
             .with(project.repository.raw)
             .and_raise(Gitlab::Git::CommandError)
@@ -92,8 +88,6 @@ RSpec.describe Projects::UpdateRepositoryStorageService do
           allow(Gitlab::GitalyClient).to receive(:filesystem_id).with('default').and_call_original
           allow(Gitlab::GitalyClient).to receive(:filesystem_id).with('test_second_storage').and_return(SecureRandom.uuid)
 
-          expect(project_repository_double).to receive(:create_repository)
-            .and_return(true)
           expect(project_repository_double).to receive(:replicate)
             .with(project.repository.raw)
           expect(project_repository_double).to receive(:checksum)
@@ -115,8 +109,6 @@ RSpec.describe Projects::UpdateRepositoryStorageService do
           allow(Gitlab::GitalyClient).to receive(:filesystem_id).with('default').and_call_original
           allow(Gitlab::GitalyClient).to receive(:filesystem_id).with('test_second_storage').and_return(SecureRandom.uuid)
 
-          expect(project_repository_double).to receive(:create_repository)
-            .and_return(true)
           expect(project_repository_double).to receive(:replicate)
             .with(project.repository.raw)
           expect(project_repository_double).to receive(:checksum)

spec/support/shared_examples/services/projects/update_repository_storage_service_shared_examples.rb

@@ -25,15 +25,11 @@ RSpec.shared_examples 'moves repository to another storage' do |repository_type|
       allow(Gitlab::GitalyClient).to receive(:filesystem_id).with('default').and_call_original
       allow(Gitlab::GitalyClient).to receive(:filesystem_id).with('test_second_storage').and_return(SecureRandom.uuid)
 
-      allow(project_repository_double).to receive(:create_repository)
-        .and_return(true)
       allow(project_repository_double).to receive(:replicate)
         .with(project.repository.raw)
       allow(project_repository_double).to receive(:checksum)
         .and_return(project_repository_checksum)
 
-      allow(repository_double).to receive(:create_repository)
-        .and_return(true)
       allow(repository_double).to receive(:replicate)
         .with(repository.raw)
       allow(repository_double).to receive(:checksum)
@@ -104,15 +100,11 @@ RSpec.shared_examples 'moves repository to another storage' do |repository_type|
     it 'unmarks the repository as read-only without updating the repository storage' do
       allow(Gitlab::GitalyClient).to receive(:filesystem_id).with('default').and_call_original
       allow(Gitlab::GitalyClient).to receive(:filesystem_id).with('test_second_storage').and_return(SecureRandom.uuid)
-      allow(project_repository_double).to receive(:create_repository)
-        .and_return(true)
       allow(project_repository_double).to receive(:replicate)
         .with(project.repository.raw)
       allow(project_repository_double).to receive(:checksum)
         .and_return(project_repository_checksum)
 
-      allow(repository_double).to receive(:create_repository)
-        .and_return(true)
       allow(repository_double).to receive(:replicate)
         .with(repository.raw)
         .and_raise(Gitlab::Git::CommandError)
@@ -131,15 +123,11 @@ RSpec.shared_examples 'moves repository to another storage' do |repository_type|
     it 'unmarks the repository as read-only without updating the repository storage' do
       allow(Gitlab::GitalyClient).to receive(:filesystem_id).with('default').and_call_original
       allow(Gitlab::GitalyClient).to receive(:filesystem_id).with('test_second_storage').and_return(SecureRandom.uuid)
-      allow(project_repository_double).to receive(:create_repository)
-        .and_return(true)
       allow(project_repository_double).to receive(:replicate)
         .with(project.repository.raw)
       allow(project_repository_double).to receive(:checksum)
         .and_return(project_repository_checksum)
 
-      allow(repository_double).to receive(:create_repository)
-        .and_return(true)
       allow(repository_double).to receive(:replicate)
         .with(repository.raw)
       allow(repository_double).to receive(:checksum)