Add group restrictions to Geo::RepositorySyncWorker

app/workers/geo/repository_sync_worker.rb

@@ -16,24 +16,39 @@ module Geo
     end
 
     def load_pending_resources
-      project_ids_not_synced = find_project_ids_not_synced
-      project_ids_updated_recently = find_project_ids_updated_recently
+      restricted_project_ids = Gitlab::Geo.current_node.project_ids
+      project_ids_not_synced = find_project_ids_not_synced(restricted_project_ids)
+      project_ids_updated_recently = find_project_ids_updated_recently(restricted_project_ids)
 
       interleave(project_ids_not_synced, project_ids_updated_recently)
     end
 
-    def find_project_ids_not_synced
-      Project.where.not(id: Geo::ProjectRegistry.synced.pluck(:project_id))
-             .order(last_repository_updated_at: :desc)
-             .limit(db_retrieve_batch_size)
-             .pluck(:id)
+    def find_project_ids_not_synced(restricted_project_ids)
+      relation =
+        if restricted_project_ids
+          Project.where(id: restricted_project_ids)
+        else
+          Project.all
+        end
+
+      relation.where.not(id: Geo::ProjectRegistry.synced.pluck(:project_id))
+              .order(last_repository_updated_at: :desc)
+              .limit(db_retrieve_batch_size)
+              .pluck(:id)
     end
 
-    def find_project_ids_updated_recently
-      Geo::ProjectRegistry.dirty
-                          .order(Gitlab::Database.nulls_first_order(:last_repository_synced_at, :desc))
-                          .limit(db_retrieve_batch_size)
-                          .pluck(:project_id)
+    def find_project_ids_updated_recently(restricted_project_ids)
+      relation =
+        if restricted_project_ids
+          Geo::ProjectRegistry.where(project_id: restricted_project_ids)
+        else
+          Geo::ProjectRegistry.all
+        end
+
+      relation.dirty
+              .order(Gitlab::Database.nulls_first_order(:last_repository_synced_at, :desc))
+              .limit(db_retrieve_batch_size)
+              .pluck(:project_id)
     end
   end
 end

spec/workers/geo/repository_sync_worker_spec.rb

@@ -3,7 +3,8 @@ require 'spec_helper'
 describe Geo::RepositorySyncWorker do
   let!(:primary)   { create(:geo_node, :primary, host: 'primary-geo-node') }
   let!(:secondary) { create(:geo_node, :current) }
-  let!(:project_1) { create(:project) }
+  let(:group)      { create(:group) }
+  let!(:project_1) { create(:project, group: group) }
   let!(:project_2) { create(:project) }
 
   subject { described_class.new }
@@ -62,5 +63,27 @@ describe Geo::RepositorySyncWorker do
 
       subject.perform
     end
+
+    context 'when node have group restrictions' do
+      before do
+        allow(Gitlab::Geo).to receive(:current_node).and_return(secondary)
+        secondary.update_attribute(:groups, [group])
+      end
+
+      it 'does not perform Geo::ProjectSyncWorker for projects that do not belong to selected groups to replicate' do
+        expect(Geo::ProjectSyncWorker).to receive(:perform_in).once.and_return(spy)
+
+        subject.perform
+      end
+
+      it 'does not perform Geo::ProjectSyncWorker for synced projects updated recently that do not belong to selected groups to replicate' do
+        create(:geo_project_registry, :synced, :repository_dirty, project: project_1)
+        create(:geo_project_registry, :synced, :repository_dirty, project: project_2)
+
+        expect(Geo::ProjectSyncWorker).to receive(:perform_in).once.and_return(spy)
+
+        subject.perform
+      end
+    end
   end
 end