restrict default_app_lifecycle on schema level

Co-authored-by: Ralf Pannemans <ralf.pannemans@sap.com>

Author: pbusko

lib/cloud_controller/config_schemas/base/api_schema.rb

@@ -370,7 +370,7 @@ class ApiSchema < VCAP::Config
 
             internal_route_vip_range: String,
 
-            default_app_lifecycle: String,
+            default_app_lifecycle: enum('buildpack', 'cnb'),
             custom_metric_tag_prefix_list: Array,
 
             optional(:cc_service_key_client_name) => String,

lib/cloud_controller/config_schemas/base/worker_schema.rb

@@ -186,7 +186,8 @@ class WorkerSchema < VCAP::Config
             max_labels_per_resource: Integer,
             max_annotations_per_resource: Integer,
             internal_route_vip_range: String,
-            custom_metric_tag_prefix_list: Array
+            custom_metric_tag_prefix_list: Array,
+            default_app_lifecycle: enum('buildpack', 'cnb')
           }
         end
         # rubocop:enable Metrics/BlockLength

spec/request/buildpacks_spec.rb

@@ -28,6 +28,7 @@
           order_by: 'updated_at',
           names: 'foo',
           stacks: 'cf',
+          lifecycle: 'buildpack',
           label_selector: 'foo,bar',
           guids: 'foo,bar',
           created_ats: "#{Time.now.utc.iso8601},#{Time.now.utc.iso8601}",
@@ -95,6 +96,7 @@
       let!(:buildpack1) { VCAP::CloudController::Buildpack.make(stack: stack1.name, position: 1) }
       let!(:buildpack2) { VCAP::CloudController::Buildpack.make(stack: stack2.name, position: 3) }
       let!(:buildpack3) { VCAP::CloudController::Buildpack.make(stack: stack3.name, position: 2) }
+      let!(:buildpack4) { VCAP::CloudController::Buildpack.make(stack: stack1.name, position: 1, lifecycle: 'cnb') }
 
       it 'returns a paginated list of buildpacks, sorted by position' do
         get '/v3/buildpacks?page=1&per_page=2', nil, headers
@@ -213,6 +215,52 @@
         )
       end
 
+      it 'returns a list of buildpacks filtered by lifecycle' do
+        get '/v3/buildpacks?lifecycle=cnb', nil, headers
+
+        expect(parsed_response).to be_a_response_like(
+          {
+            'pagination' => {
+              'total_results' => 1,
+              'total_pages' => 1,
+              'first' => {
+                'href' => "#{link_prefix}/v3/buildpacks?lifecycle=cnb&page=1&per_page=50"
+              },
+              'last' => {
+                'href' => "#{link_prefix}/v3/buildpacks?lifecycle=cnb&page=1&per_page=50"
+              },
+              'next' => nil,
+              'previous' => nil
+            },
+            'resources' => [
+              {
+                'guid' => buildpack4.guid,
+                'lifecycle' => 'cnb',
+                'created_at' => iso8601,
+                'updated_at' => iso8601,
+                'name' => buildpack4.name,
+                'state' => buildpack4.state,
+                'filename' => buildpack4.filename,
+                'stack' => buildpack4.stack,
+                'position' => 1,
+                'enabled' => true,
+                'locked' => false,
+                'metadata' => { 'labels' => {}, 'annotations' => {} },
+                'links' => {
+                  'self' => {
+                    'href' => "#{link_prefix}/v3/buildpacks/#{buildpack4.guid}"
+                  },
+                  'upload' => {
+                    'href' => "#{link_prefix}/v3/buildpacks/#{buildpack4.guid}/upload",
+                    'method' => 'POST'
+                  }
+                }
+              }
+            ]
+          }
+        )
+      end
+
       it 'orders by position' do
         get "/v3/buildpacks?names=#{buildpack1.name},#{buildpack3.name}&order_by=-position", nil, headers
 

spec/unit/lib/cloud_controller/diego/lifecycles/app_lifecycle_provider_spec.rb

@@ -37,6 +37,16 @@ module VCAP::CloudController
             expect(AppLifecycleProvider.provide_for_create(message)).to be_a(AppBuildpackLifecycle)
           end
         end
+
+        context 'default_app_lifecycle is set to cnb' do
+          before do
+            TestConfig.override(default_app_lifecycle: 'cnb')
+          end
+
+          it 'returns a AppCNBLifecycle' do
+            expect(AppLifecycleProvider.provide_for_create(message)).to be_a(AppCNBLifecycle)
+          end
+        end
       end
     end