add kube-controller manager round trip test

pkg/controller/apis/config/fuzzer/fuzzer.go

+/*
+Copyright 2018 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package fuzzer
+
+import (
+	"fmt"
+
+	"github.com/google/gofuzz"
+
+	runtimeserializer "k8s.io/apimachinery/pkg/runtime/serializer"
+	kubectrlmgrconfig "k8s.io/kubernetes/pkg/controller/apis/config"
+)
+
+// Funcs returns the fuzzer functions for the kube-controller manager apis.
+func Funcs(codecs runtimeserializer.CodecFactory) []interface{} {
+	return []interface{}{
+		func(obj *kubectrlmgrconfig.KubeControllerManagerConfiguration, c fuzz.Continue) {
+			c.FuzzNoCustom(obj)
+			obj.Generic.Address = fmt.Sprintf("%d.%d.%d.%d", c.Intn(256), c.Intn(256), c.Intn(256), c.Intn(256))
+			obj.Generic.ClientConnection.ContentType = fmt.Sprintf("%s/%s.%s.%s", c.RandString(), c.RandString(), c.RandString(), c.RandString())
+			if obj.Generic.LeaderElection.ResourceLock == "" {
+				obj.Generic.LeaderElection.ResourceLock = "endpoints"
+			}
+			obj.Generic.Controllers = []string{fmt.Sprintf("%s", c.RandString())}
+			if obj.KubeCloudShared.ClusterName == "" {
+				obj.KubeCloudShared.ClusterName = "kubernetes"
+			}
+			obj.CSRSigningController.ClusterSigningCertFile = fmt.Sprintf("/%s", c.RandString())
+			obj.CSRSigningController.ClusterSigningKeyFile = fmt.Sprintf("/%s", c.RandString())
+			obj.PersistentVolumeBinderController.VolumeConfiguration.FlexVolumePluginDir = fmt.Sprintf("/%s", c.RandString())
+			obj.TTLAfterFinishedController.ConcurrentTTLSyncs = c.Int31()
+		},
+	}
+}

pkg/controller/apis/config/scheme/scheme_test.go

+/*
+Copyright 2018 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package scheme
+
+import (
+	"testing"
+
+	"k8s.io/apimachinery/pkg/api/apitesting/roundtrip"
+	"k8s.io/kubernetes/pkg/controller/apis/config/fuzzer"
+)
+
+func TestRoundTripTypes(t *testing.T) {
+	roundtrip.RoundTripTestForScheme(t, Scheme, fuzzer.Funcs)
+}