Remove obsolete deployment helpers

Signed-off-by: Michail Kargakis <mkargaki@redhat.com>

pkg/controller/deployment/util/deployment_util.go

@@ -746,31 +746,6 @@ func LabelPodsWithHash(podList *v1.PodList, c clientset.Interface, podLister cor
 	return nil
 }
 
-// GetNewReplicaSetTemplate returns the desired PodTemplateSpec for the new ReplicaSet corresponding to the given ReplicaSet.
-// Callers of this helper need to set the DefaultDeploymentUniqueLabelKey k/v pair.
-func GetNewReplicaSetTemplate(deployment *extensions.Deployment) v1.PodTemplateSpec {
-	// newRS will have the same template as in deployment spec.
-	return v1.PodTemplateSpec{
-		ObjectMeta: deployment.Spec.Template.ObjectMeta,
-		Spec:       deployment.Spec.Template.Spec,
-	}
-}
-
-// TODO: remove the duplicate
-// GetNewReplicaSetTemplateInternal returns the desired PodTemplateSpec for the new ReplicaSet corresponding to the given ReplicaSet.
-func GetNewReplicaSetTemplateInternal(deployment *internalextensions.Deployment) api.PodTemplateSpec {
-	// newRS will have the same template as in deployment spec, plus a unique label in some cases.
-	newRSTemplate := api.PodTemplateSpec{
-		ObjectMeta: deployment.Spec.Template.ObjectMeta,
-		Spec:       deployment.Spec.Template.Spec,
-	}
-	newRSTemplate.ObjectMeta.Labels = labelsutil.CloneAndAddLabel(
-		deployment.Spec.Template.ObjectMeta.Labels,
-		internalextensions.DefaultDeploymentUniqueLabelKey,
-		fmt.Sprintf("%d", GetInternalPodTemplateSpecHash(newRSTemplate)))
-	return newRSTemplate
-}
-
 // SetFromReplicaSetTemplate sets the desired PodTemplateSpec from a replica set template to the given deployment.
 func SetFromReplicaSetTemplate(deployment *extensions.Deployment, template v1.PodTemplateSpec) *extensions.Deployment {
 	deployment.Spec.Template.ObjectMeta = template.ObjectMeta

pkg/controller/deployment/util/hash_test.go

@@ -18,11 +18,13 @@ package util
 
 import (
 	"encoding/json"
+	"hash/adler32"
 	"strconv"
 	"strings"
 	"testing"
 
 	"k8s.io/kubernetes/pkg/api/v1"
+	hashutil "k8s.io/kubernetes/pkg/util/hash"
 )
 
 var podSpec string = `
@@ -103,34 +105,12 @@ var podSpec string = `
 
 func TestPodTemplateSpecHash(t *testing.T) {
 	seenHashes := make(map[uint32]int)
-	broken := false
 
 	for i := 0; i < 1000; i++ {
 		specJson := strings.Replace(podSpec, "@@VERSION@@", strconv.Itoa(i), 1)
 		spec := v1.PodTemplateSpec{}
 		json.Unmarshal([]byte(specJson), &spec)
 		hash := GetPodTemplateSpecHash(spec)
-		if v, ok := seenHashes[hash]; ok {
-			broken = true
-			t.Logf("Hash collision, old: %d new: %d", v, i)
-			break
-		}
-		seenHashes[hash] = i
-	}
-
-	if !broken {
-		t.Errorf("expected adler to break but it didn't")
-	}
-}
-
-func TestPodTemplateSpecHashFnv(t *testing.T) {
-	seenHashes := make(map[uint32]int)
-
-	for i := 0; i < 1000; i++ {
-		specJson := strings.Replace(podSpec, "@@VERSION@@", strconv.Itoa(i), 1)
-		spec := v1.PodTemplateSpec{}
-		json.Unmarshal([]byte(specJson), &spec)
-		hash := GetPodTemplateSpecHashFnv(spec)
 		if v, ok := seenHashes[hash]; ok {
 			t.Errorf("Hash collision, old: %d new: %d", v, i)
 			break
@@ -144,15 +124,21 @@ func BenchmarkAdler(b *testing.B) {
 	json.Unmarshal([]byte(podSpec), &spec)
 
 	for i := 0; i < b.N; i++ {
-		GetPodTemplateSpecHash(spec)
+		getPodTemplateSpecOldHash(spec)
 	}
 }
 
+func getPodTemplateSpecOldHash(template v1.PodTemplateSpec) uint32 {
+	podTemplateSpecHasher := adler32.New()
+	hashutil.DeepHashObject(podTemplateSpecHasher, template)
+	return podTemplateSpecHasher.Sum32()
+}
+
 func BenchmarkFnv(b *testing.B) {
 	spec := v1.PodTemplateSpec{}
 	json.Unmarshal([]byte(podSpec), &spec)
 
 	for i := 0; i < b.N; i++ {
-		GetPodTemplateSpecHashFnv(spec)
+		GetPodTemplateSpecHash(spec)
 	}
 }

pkg/controller/deployment/util/pod_util.go

@@ -17,7 +17,6 @@ limitations under the License.
 package util
 
 import (
-	"hash/adler32"
 	"hash/fnv"
 
 	"github.com/golang/glog"
@@ -32,19 +31,6 @@ import (
 )
 
 func GetPodTemplateSpecHash(template v1.PodTemplateSpec) uint32 {
-	podTemplateSpecHasher := adler32.New()
-	hashutil.DeepHashObject(podTemplateSpecHasher, template)
-	return podTemplateSpecHasher.Sum32()
-}
-
-// TODO: remove the duplicate
-func GetInternalPodTemplateSpecHash(template api.PodTemplateSpec) uint32 {
-	podTemplateSpecHasher := adler32.New()
-	hashutil.DeepHashObject(podTemplateSpecHasher, template)
-	return podTemplateSpecHasher.Sum32()
-}
-
-func GetPodTemplateSpecHashFnv(template v1.PodTemplateSpec) uint32 {
 	podTemplateSpecHasher := fnv.New32a()
 	hashutil.DeepHashObject(podTemplateSpecHasher, template)
 	return podTemplateSpecHasher.Sum32()

pkg/controller/deployment/util/replicaset_util.go

@@ -77,13 +77,3 @@ func GetReplicaSetHash(rs *extensions.ReplicaSet) string {
 		Spec:       rs.Spec.Template.Spec,
 	}))
 }
-
-// GetReplicaSetHashFnv returns the pod template hash of a ReplicaSet's pod template spec.
-func GetReplicaSetHashFnv(rs *extensions.ReplicaSet) string {
-	meta := rs.Spec.Template.ObjectMeta
-	meta.Labels = labelsutil.CloneAndRemoveLabel(meta.Labels, extensions.DefaultDeploymentUniqueLabelKey)
-	return fmt.Sprintf("%d", GetPodTemplateSpecHashFnv(v1.PodTemplateSpec{
-		ObjectMeta: meta,
-		Spec:       rs.Spec.Template.Spec,
-	}))
-}

pkg/kubectl/stop_test.go

@@ -35,7 +35,6 @@ import (
 	"k8s.io/kubernetes/pkg/apis/extensions"
 	"k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset/fake"
 	coreclient "k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset/typed/core/internalversion"
-	deploymentutil "k8s.io/kubernetes/pkg/controller/deployment/util"
 )
 
 func TestReplicationControllerStop(t *testing.T) {
@@ -441,7 +440,6 @@ func TestDeploymentStop(t *testing.T) {
 			Replicas: 0,
 		},
 	}
-	template := deploymentutil.GetNewReplicaSetTemplateInternal(&deployment)
 	trueVar := true
 	tests := []struct {
 		Name            string
@@ -492,9 +490,7 @@ func TestDeploymentStop(t *testing.T) {
 									},
 								},
 							},
-							Spec: extensions.ReplicaSetSpec{
-								Template: template,
-							},
+							Spec: extensions.ReplicaSetSpec{},
 						},
 						// ReplicaSet owned by something else (should be ignored).
 						{
@@ -512,9 +508,7 @@ func TestDeploymentStop(t *testing.T) {
 									},
 								},
 							},
-							Spec: extensions.ReplicaSetSpec{
-								Template: template,
-							},
+							Spec: extensions.ReplicaSetSpec{},
 						},
 					},
 				},
@@ -709,7 +703,6 @@ func TestDeploymentNotFoundError(t *testing.T) {
 			Replicas: 0,
 		},
 	}
-	template := deploymentutil.GetNewReplicaSetTemplateInternal(deployment)
 
 	fake := fake.NewSimpleClientset(
 		deployment,
@@ -719,9 +712,7 @@ func TestDeploymentNotFoundError(t *testing.T) {
 					Name:      name,
 					Namespace: ns,
 				},
-				Spec: extensions.ReplicaSetSpec{
-					Template: template,
-				},
+				Spec: extensions.ReplicaSetSpec{},
 			},
 		},
 		},