Add all_plans phase 2 feature flag

Add a feature flag to control if all plans
qualify for registry import in phase 2 of the
container registry migration.

config/feature_flags/development/container_registry_migration_phase2_all_plans.yml

+---
+name: container_registry_migration_phase2_all_plans
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/83135
+rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/350543
+milestone: '14.10'
+type: development
+group: group::package
+default_enabled: false

ee/app/models/ee/container_repository.rb

@@ -26,6 +26,7 @@ module EE
         # self-managed instances are singlular plans, so they do not need
         # these filters
         return all unless ::Gitlab.com?
+        return all if ::ContainerRegistry::Migration.all_plans?
 
         if ::ContainerRegistry::Migration.limit_gitlab_org?
           joins(project: [:namespace]).where(namespaces: { path: GITLAB_ORG_NAMESPACE })

ee/spec/models/container_repository_spec.rb

@@ -25,6 +25,11 @@ RSpec.describe ContainerRepository, :saas do
       stub_application_setting(container_registry_import_target_plan: subscription.hosted_plan.name)
     end
 
+    context 'all_plans disabled' do
+      before do
+        stub_feature_flags(container_registry_migration_phase2_all_plans: false)
+      end
+
       context 'limit_gitlab_org enabled' do
         it { is_expected.to contain_exactly(gitlab_container_repository) }
       end
@@ -38,6 +43,11 @@ RSpec.describe ContainerRepository, :saas do
       end
     end
 
+    context 'all_plans and limit_gitlab_org enabled' do
+      it { is_expected.to contain_exactly(valid_container_repository, ultimate_container_repository, gitlab_container_repository) }
+    end
+  end
+
   describe '.ready_for_import' do
     include_context 'importable repositories'
 

lib/container_registry/migration.rb

@@ -49,5 +49,9 @@ module ContainerRegistry
     def self.target_plan
       Plan.find_by_name(target_plan_name)
     end
+
+    def self.all_plans?
+      Feature.enabled?(:container_registry_migration_phase2_all_plans)
+    end
   end
 end

spec/lib/container_registry/migration_spec.rb

@@ -165,4 +165,18 @@ RSpec.describe ContainerRegistry::Migration do
       expect(described_class.target_plan).to eq(plan)
     end
   end
+
+  describe '.all_plans?' do
+    subject { described_class.all_plans? }
+
+    it { is_expected.to eq(true) }
+
+    context 'feature flag disabled' do
+      before do
+        stub_feature_flags(container_registry_migration_phase2_all_plans: false)
+      end
+
+      it { is_expected.to eq(false) }
+    end
+  end
 end

spec/support/shared_contexts/container_repositories_shared_context.rb

@@ -18,7 +18,8 @@ RSpec.shared_context 'importable repositories' do
     stub_application_setting(container_registry_import_created_before: 1.day.ago)
     stub_feature_flags(
       container_registry_phase_2_deny_list: false,
-      container_registry_migration_limit_gitlab_org: false
+      container_registry_migration_limit_gitlab_org: false,
+      container_registry_migration_phase2_all_plans: false
     )
 
     Feature::FlipperGate.create!(