Merge branch 'gitaly-lfs-changes' into 'master'

Incorporate Gitaly's RPCs for Gitlab::Git::LfsChanges

Closes gitaly#1048

See merge request gitlab-org/gitlab-ce!16973

lib/gitlab/git/lfs_changes.rb

@@ -7,6 +7,28 @@ module Gitlab
       end
 
       def new_pointers(object_limit: nil, not_in: nil)
+        @repository.gitaly_migrate(:blob_get_new_lfs_pointers) do |is_enabled|
+          if is_enabled
+            @repository.gitaly_blob_client.get_new_lfs_pointers(@newrev, object_limit, not_in)
+          else
+            git_new_pointers(object_limit, not_in)
+          end
+        end
+      end
+
+      def all_pointers
+        @repository.gitaly_migrate(:blob_get_all_lfs_pointers) do |is_enabled|
+          if is_enabled
+            @repository.gitaly_blob_client.get_all_lfs_pointers(@newrev)
+          else
+            git_all_pointers
+          end
+        end
+      end
+
+      private
+
+      def git_new_pointers(object_limit, not_in)
         @new_pointers ||= begin
           rev_list.new_objects(not_in: not_in, require_path: true) do |object_ids|
             object_ids = object_ids.take(object_limit) if object_limit
@@ -16,14 +38,12 @@ module Gitlab
         end
       end
 
-      def all_pointers
+      def git_all_pointers
         rev_list.all_objects(require_path: true) do |object_ids|
           Gitlab::Git::Blob.batch_lfs_pointers(@repository, object_ids)
         end
       end
 
-      private
-
       def rev_list
         Gitlab::Git::RevList.new(@repository, newrev: @newrev)
       end

lib/gitlab/gitaly_client/blob_service.rb

@@ -45,16 +45,7 @@ module Gitlab
 
         response = GitalyClient.call(@gitaly_repo.storage_name, :blob_service, :get_lfs_pointers, request)
 
-        response.flat_map do |message|
-          message.lfs_pointers.map do |lfs_pointer|
-            Gitlab::Git::Blob.new(
-              id: lfs_pointer.oid,
-              size: lfs_pointer.size,
-              data: lfs_pointer.data,
-              binary: Gitlab::Git::Blob.binary?(lfs_pointer.data)
-            )
-          end
-        end
+        map_lfs_pointers(response)
       end
 
       def get_blobs(revision_paths, limit = -1)
@@ -80,6 +71,50 @@ module Gitlab
 
         GitalyClient::BlobsStitcher.new(response)
       end
+
+      def get_new_lfs_pointers(revision, limit, not_in)
+        request = Gitaly::GetNewLFSPointersRequest.new(
+          repository: @gitaly_repo,
+          revision: encode_binary(revision),
+          limit: limit || 0
+        )
+
+        if not_in.nil? || not_in == :all
+          request.not_in_all = true
+        else
+          request.not_in_refs += not_in
+        end
+
+        response = GitalyClient.call(@gitaly_repo.storage_name, :blob_service, :get_new_lfs_pointers, request)
+
+        map_lfs_pointers(response)
+      end
+
+      def get_all_lfs_pointers(revision)
+        request = Gitaly::GetNewLFSPointersRequest.new(
+          repository: @gitaly_repo,
+          revision: encode_binary(revision)
+        )
+
+        response = GitalyClient.call(@gitaly_repo.storage_name, :blob_service, :get_all_lfs_pointers, request)
+
+        map_lfs_pointers(response)
+      end
+
+      private
+
+      def map_lfs_pointers(response)
+        response.flat_map do |message|
+          message.lfs_pointers.map do |lfs_pointer|
+            Gitlab::Git::Blob.new(
+              id: lfs_pointer.oid,
+              size: lfs_pointer.size,
+              data: lfs_pointer.data,
+              binary: Gitlab::Git::Blob.binary?(lfs_pointer.data)
+            )
+          end
+        end
+      end
     end
   end
 end

spec/lib/gitlab/checks/lfs_integrity_spec.rb

@@ -2,23 +2,25 @@ require 'spec_helper'
 
 describe Gitlab::Checks::LfsIntegrity do
   include ProjectForksHelper
+
   let(:project) { create(:project, :repository) }
-  let(:newrev) { '54fcc214b94e78d7a41a9a8fe6d87a5e59500e51' }
+  let(:repository) { project.repository }
+  let(:newrev) do
+    operations = BareRepoOperations.new(repository.path)
+
+    # Create a commit not pointed at by any ref to emulate being in the
+    # pre-receive hook so that `--not --all` returns some objects
+    operations.commit_tree('8856a329dd38ca86dfb9ce5aa58a16d88cc119bd', "New LFS objects")
+  end
 
   subject { described_class.new(project, newrev) }
 
   describe '#objects_missing?' do
-    let(:blob_object) { project.repository.blob_at_branch('lfs', 'files/lfs/lfs_object.iso') }
-
-    before do
-      allow_any_instance_of(Gitlab::Git::RevList).to receive(:new_objects) do |&lazy_block|
-        lazy_block.call([blob_object.id])
-      end
-    end
+    let(:blob_object) { repository.blob_at_branch('lfs', 'files/lfs/lfs_object.iso') }
 
     context 'with LFS not enabled' do
       it 'skips integrity check' do
-        expect_any_instance_of(Gitlab::Git::RevList).not_to receive(:new_objects)
+        expect_any_instance_of(Gitlab::Git::LfsChanges).not_to receive(:new_pointers)
 
         subject.objects_missing?
       end
@@ -33,7 +35,7 @@ describe Gitlab::Checks::LfsIntegrity do
         let(:newrev) { nil }
 
         it 'skips integrity check' do
-          expect_any_instance_of(Gitlab::Git::RevList).not_to receive(:new_objects)
+          expect_any_instance_of(Gitlab::Git::LfsChanges).not_to receive(:new_pointers)
 
           expect(subject.objects_missing?).to be_falsey
         end

spec/lib/gitlab/git/lfs_changes_spec.rb

@@ -7,34 +7,36 @@ describe Gitlab::Git::LfsChanges do
 
   subject { described_class.new(project.repository, newrev) }
 
-  describe 'new_pointers' do
-    before do
-      allow_any_instance_of(Gitlab::Git::RevList).to receive(:new_objects).and_yield([blob_object_id])
+  describe '#new_pointers' do
+    shared_examples 'new pointers' do
+      it 'filters new objects to find lfs pointers' do
+        expect(subject.new_pointers(not_in: []).first.id).to eq(blob_object_id)
+      end
+
+      it 'limits new_objects using object_limit' do
+        expect(subject.new_pointers(object_limit: 1)).to eq([])
+      end
     end
 
-    it 'uses rev-list to find new objects' do
-      rev_list = double
-      allow(Gitlab::Git::RevList).to receive(:new).and_return(rev_list)
-
-      expect(rev_list).to receive(:new_objects).and_return([])
-
-      subject.new_pointers
+    context 'with gitaly enabled' do
+      it_behaves_like 'new pointers'
     end
 
-    it 'filters new objects to find lfs pointers' do
-      expect(Gitlab::Git::Blob).to receive(:batch_lfs_pointers).with(project.repository, [blob_object_id])
+    context 'with gitaly disabled', :skip_gitaly_mock do
+      it_behaves_like 'new pointers'
 
-      subject.new_pointers(object_limit: 1)
-    end
+      it 'uses rev-list to find new objects' do
+        rev_list = double
+        allow(Gitlab::Git::RevList).to receive(:new).and_return(rev_list)
 
-    it 'limits new_objects using object_limit' do
-      expect(Gitlab::Git::Blob).to receive(:batch_lfs_pointers).with(project.repository, [])
+        expect(rev_list).to receive(:new_objects).and_return([])
 
-      subject.new_pointers(object_limit: 0)
+        subject.new_pointers
+      end
     end
   end
 
-  describe 'all_pointers' do
+  describe '#all_pointers', :skip_gitaly_mock do
     it 'uses rev-list to find all objects' do
       rev_list = double
       allow(Gitlab::Git::RevList).to receive(:new).and_return(rev_list)

spec/lib/gitlab/gitaly_client/blob_service_spec.rb

+require 'spec_helper'
+
+describe Gitlab::GitalyClient::BlobService do
+  let(:project) { create(:project, :repository) }
+  let(:storage_name) { project.repository_storage }
+  let(:relative_path) { project.disk_path + '.git' }
+  let(:repository) { project.repository }
+  let(:client) { described_class.new(repository) }
+
+  describe '#get_new_lfs_pointers' do
+    let(:revision) { 'master' }
+    let(:limit) { 5 }
+    let(:not_in) { ['branch-a', 'branch-b'] }
+    let(:expected_params) do
+      { revision: revision, limit: limit, not_in_refs: not_in, not_in_all: false }
+    end
+
+    subject { client.get_new_lfs_pointers(revision, limit, not_in) }
+
+    it 'sends a get_new_lfs_pointers message' do
+      expect_any_instance_of(Gitaly::BlobService::Stub)
+        .to receive(:get_new_lfs_pointers)
+        .with(gitaly_request_with_params(expected_params), kind_of(Hash))
+        .and_return([])
+
+      subject
+    end
+
+    context 'with not_in = :all' do
+      let(:not_in) { :all }
+      let(:expected_params) do
+        { revision: revision, limit: limit, not_in_refs: [], not_in_all: true }
+      end
+
+      it 'sends the correct message' do
+        expect_any_instance_of(Gitaly::BlobService::Stub)
+          .to receive(:get_new_lfs_pointers)
+          .with(gitaly_request_with_params(expected_params), kind_of(Hash))
+          .and_return([])
+
+        subject
+      end
+    end
+  end
+
+  describe '#get_all_lfs_pointers' do
+    let(:revision) { 'master' }
+
+    subject { client.get_all_lfs_pointers(revision) }
+
+    it 'sends a get_all_lfs_pointers message' do
+      expect_any_instance_of(Gitaly::BlobService::Stub)
+        .to receive(:get_all_lfs_pointers)
+        .with(gitaly_request_with_params(revision: revision), kind_of(Hash))
+        .and_return([])
+
+      subject
+    end
+  end
+end

spec/support/bare_repo_operations.rb

@@ -11,6 +11,14 @@ class BareRepoOperations
     @path_to_repo = path_to_repo
   end
 
+  def commit_tree(tree_id, msg, parent: EMPTY_TREE_ID)
+    commit_tree_args = ['commit-tree', tree_id, '-m', msg]
+    commit_tree_args += ['-p', parent] unless parent == EMPTY_TREE_ID
+    commit_id = execute(commit_tree_args)
+
+    commit_id[0]
+  end
+
   # Based on https://stackoverflow.com/a/25556917/1856239
   def commit_file(file, dst_path, branch = 'master')
     head_id = execute(['show', '--format=format:%H', '--no-patch', branch], allow_failure: true)[0] || EMPTY_TREE_ID
@@ -26,11 +34,9 @@ class BareRepoOperations
 
     tree_id = execute(['write-tree'])
 
-    commit_tree_args = ['commit-tree', tree_id[0], '-m', "Add #{dst_path}"]
-    commit_tree_args += ['-p', head_id] unless head_id == EMPTY_TREE_ID
-    commit_id = execute(commit_tree_args)
+    commit_id = commit_tree(tree_id[0], "Add #{dst_path}", parent: head_id)
 
-    execute(['update-ref', "refs/heads/#{branch}", commit_id[0]])
+    execute(['update-ref', "refs/heads/#{branch}", commit_id])
   end
 
   private