Refactored runtime.Object helper functions into subpkg

Organized functions that abstract the access of
k8s.io/apimachinery/pkg/runtime.Objects into a framework subpackge.

Signed-off-by: Jorge Alarcon Ochoa <alarcj137@gmail.com>

test/e2e/framework/BUILD

@@ -34,10 +34,7 @@ go_library(
     importpath = "k8s.io/kubernetes/test/e2e/framework",
     deps = [
         "//pkg/api/v1/pod:go_default_library",
-        "//pkg/apis/apps:go_default_library",
-        "//pkg/apis/batch:go_default_library",
         "//pkg/apis/core:go_default_library",
-        "//pkg/apis/extensions:go_default_library",
         "//pkg/apis/storage/v1/util:go_default_library",
         "//pkg/client/conditions:go_default_library",
         "//pkg/controller:go_default_library",
@@ -60,9 +57,7 @@ go_library(
         "//pkg/volume/util:go_default_library",
         "//staging/src/k8s.io/api/apps/v1:go_default_library",
         "//staging/src/k8s.io/api/apps/v1beta2:go_default_library",
-        "//staging/src/k8s.io/api/batch/v1:go_default_library",
         "//staging/src/k8s.io/api/core/v1:go_default_library",
-        "//staging/src/k8s.io/api/extensions/v1beta1:go_default_library",
         "//staging/src/k8s.io/api/policy/v1beta1:go_default_library",
         "//staging/src/k8s.io/api/rbac/v1:go_default_library",
         "//staging/src/k8s.io/api/storage/v1:go_default_library",
@@ -109,6 +104,7 @@ go_library(
         "//test/e2e/framework/metrics:go_default_library",
         "//test/e2e/framework/node:go_default_library",
         "//test/e2e/framework/pod:go_default_library",
+        "//test/e2e/framework/resource:go_default_library",
         "//test/e2e/framework/ssh:go_default_library",
         "//test/e2e/framework/testfiles:go_default_library",
         "//test/e2e/manifest:go_default_library",
@@ -160,6 +156,7 @@ filegroup(
         "//test/e2e/framework/providers/openstack:all-srcs",
         "//test/e2e/framework/providers/vsphere:all-srcs",
         "//test/e2e/framework/replicaset:all-srcs",
+        "//test/e2e/framework/resource:all-srcs",
         "//test/e2e/framework/ssh:all-srcs",
         "//test/e2e/framework/testfiles:all-srcs",
         "//test/e2e/framework/timer:all-srcs",

test/e2e/framework/pod/BUILD

@@ -4,35 +4,27 @@ go_library(
     name = "go_default_library",
     srcs = [
         "resource.go",
-        "runtimeobject.go",
         "wait.go",
     ],
     importpath = "k8s.io/kubernetes/test/e2e/framework/pod",
     visibility = ["//visibility:public"],
     deps = [
         "//pkg/api/v1/pod:go_default_library",
-        "//pkg/apis/apps:go_default_library",
-        "//pkg/apis/batch:go_default_library",
-        "//pkg/apis/core:go_default_library",
-        "//pkg/apis/extensions:go_default_library",
         "//pkg/client/conditions:go_default_library",
         "//pkg/controller:go_default_library",
         "//pkg/kubelet/pod:go_default_library",
         "//pkg/kubelet/util/format:go_default_library",
-        "//staging/src/k8s.io/api/apps/v1:go_default_library",
-        "//staging/src/k8s.io/api/batch/v1:go_default_library",
         "//staging/src/k8s.io/api/core/v1:go_default_library",
-        "//staging/src/k8s.io/api/extensions/v1beta1:go_default_library",
         "//staging/src/k8s.io/apimachinery/pkg/api/errors:go_default_library",
         "//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
         "//staging/src/k8s.io/apimachinery/pkg/labels:go_default_library",
-        "//staging/src/k8s.io/apimachinery/pkg/runtime:go_default_library",
         "//staging/src/k8s.io/apimachinery/pkg/runtime/schema:go_default_library",
         "//staging/src/k8s.io/apimachinery/pkg/types:go_default_library",
         "//staging/src/k8s.io/apimachinery/pkg/util/sets:go_default_library",
         "//staging/src/k8s.io/apimachinery/pkg/util/wait:go_default_library",
         "//staging/src/k8s.io/client-go/kubernetes:go_default_library",
         "//test/e2e/framework/log:go_default_library",
+        "//test/e2e/framework/resource:go_default_library",
         "//test/utils:go_default_library",
         "//test/utils/image:go_default_library",
         "//vendor/github.com/onsi/ginkgo:go_default_library",

test/e2e/framework/pod/wait.go

@@ -38,6 +38,7 @@ import (
 	"k8s.io/kubernetes/pkg/controller"
 	"k8s.io/kubernetes/pkg/kubelet/util/format"
 	e2elog "k8s.io/kubernetes/test/e2e/framework/log"
+	e2eresource "k8s.io/kubernetes/test/e2e/framework/resource"
 	testutils "k8s.io/kubernetes/test/utils"
 )
 
@@ -456,15 +457,15 @@ func PodsResponding(c clientset.Interface, ns, name string, wantName bool, pods
 
 // WaitForControlledPodsRunning waits up to 10 minutes for pods to become Running.
 func WaitForControlledPodsRunning(c clientset.Interface, ns, name string, kind schema.GroupKind) error {
-	rtObject, err := getRuntimeObjectForKind(c, kind, ns, name)
+	rtObject, err := e2eresource.GetRuntimeObjectForKind(c, kind, ns, name)
 	if err != nil {
 		return err
 	}
-	selector, err := getSelectorFromRuntimeObject(rtObject)
+	selector, err := e2eresource.GetSelectorFromRuntimeObject(rtObject)
 	if err != nil {
 		return err
 	}
-	replicas, err := getReplicasFromRuntimeObject(rtObject)
+	replicas, err := e2eresource.GetReplicasFromRuntimeObject(rtObject)
 	if err != nil {
 		return err
 	}
@@ -477,11 +478,11 @@ func WaitForControlledPodsRunning(c clientset.Interface, ns, name string, kind s
 
 // WaitForControlledPods waits up to podListTimeout for getting pods of the specified controller name and return them.
 func WaitForControlledPods(c clientset.Interface, ns, name string, kind schema.GroupKind) (pods *v1.PodList, err error) {
-	rtObject, err := getRuntimeObjectForKind(c, kind, ns, name)
+	rtObject, err := e2eresource.GetRuntimeObjectForKind(c, kind, ns, name)
 	if err != nil {
 		return nil, err
 	}
-	selector, err := getSelectorFromRuntimeObject(rtObject)
+	selector, err := e2eresource.GetSelectorFromRuntimeObject(rtObject)
 	if err != nil {
 		return nil, err
 	}

test/e2e/framework/resource/BUILD

@@ -0,0 +1,37 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_library")
+
+go_library(
+    name = "go_default_library",
+    srcs = ["runtimeobj.go"],
+    importpath = "k8s.io/kubernetes/test/e2e/framework/resource",
+    visibility = ["//visibility:public"],
+    deps = [
+        "//pkg/apis/apps:go_default_library",
+        "//pkg/apis/batch:go_default_library",
+        "//pkg/apis/core:go_default_library",
+        "//pkg/apis/extensions:go_default_library",
+        "//staging/src/k8s.io/api/apps/v1:go_default_library",
+        "//staging/src/k8s.io/api/batch/v1:go_default_library",
+        "//staging/src/k8s.io/api/core/v1:go_default_library",
+        "//staging/src/k8s.io/api/extensions/v1beta1:go_default_library",
+        "//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
+        "//staging/src/k8s.io/apimachinery/pkg/labels:go_default_library",
+        "//staging/src/k8s.io/apimachinery/pkg/runtime:go_default_library",
+        "//staging/src/k8s.io/apimachinery/pkg/runtime/schema:go_default_library",
+        "//staging/src/k8s.io/client-go/kubernetes:go_default_library",
+    ],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+    visibility = ["//visibility:public"],
+)

test/e2e/framework/resource/runtimeobj.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package pod
+package resource
 
 import (
 	"fmt"
@@ -34,9 +34,9 @@ import (
 	extensionsinternal "k8s.io/kubernetes/pkg/apis/extensions"
 )
 
-// TODO: This function is generic enough and used enough that it should be
-// moved to its own subpkg.
-func getRuntimeObjectForKind(c clientset.Interface, kind schema.GroupKind, ns, name string) (runtime.Object, error) {
+// GetRuntimeObjectForKind returns a runtime.Object based on its GroupKind,
+// namespace and name.
+func GetRuntimeObjectForKind(c clientset.Interface, kind schema.GroupKind, ns, name string) (runtime.Object, error) {
 	switch kind {
 	case api.Kind("ReplicationController"):
 		return c.CoreV1().ReplicationControllers(ns).Get(name, metav1.GetOptions{})
@@ -53,9 +53,8 @@ func getRuntimeObjectForKind(c clientset.Interface, kind schema.GroupKind, ns, n
 	}
 }
 
-// TODO: This function is generic enough and used enough that it should be
-// moved to its own subpkg.
-func getSelectorFromRuntimeObject(obj runtime.Object) (labels.Selector, error) {
+// GetSelectorFromRuntimeObject returns the labels for the given object.
+func GetSelectorFromRuntimeObject(obj runtime.Object) (labels.Selector, error) {
 	switch typed := obj.(type) {
 	case *v1.ReplicationController:
 		return labels.SelectorFromSet(typed.Spec.Selector), nil
@@ -78,9 +77,9 @@ func getSelectorFromRuntimeObject(obj runtime.Object) (labels.Selector, error) {
 	}
 }
 
-// TODO: This function is generic enough and used enough that it should be
-// moved to its own subpkg.
-func getReplicasFromRuntimeObject(obj runtime.Object) (int32, error) {
+// GetReplicasFromRuntimeObject returns the number of replicas for the given
+// object.
+func GetReplicasFromRuntimeObject(obj runtime.Object) (int32, error) {
 	switch typed := obj.(type) {
 	case *v1.ReplicationController:
 		if typed.Spec.Replicas != nil {

test/e2e/framework/util.go

@@ -48,9 +48,7 @@ import (
 	gomegatypes "github.com/onsi/gomega/types"
 
 	appsv1 "k8s.io/api/apps/v1"
-	batchv1 "k8s.io/api/batch/v1"
 	v1 "k8s.io/api/core/v1"
-	extensionsv1beta1 "k8s.io/api/extensions/v1beta1"
 	apierrs "k8s.io/apimachinery/pkg/api/errors"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/fields"
@@ -74,10 +72,6 @@ import (
 	clientcmdapi "k8s.io/client-go/tools/clientcmd/api"
 	watchtools "k8s.io/client-go/tools/watch"
 	podutil "k8s.io/kubernetes/pkg/api/v1/pod"
-	appsinternal "k8s.io/kubernetes/pkg/apis/apps"
-	batchinternal "k8s.io/kubernetes/pkg/apis/batch"
-	api "k8s.io/kubernetes/pkg/apis/core"
-	extensionsinternal "k8s.io/kubernetes/pkg/apis/extensions"
 	"k8s.io/kubernetes/pkg/client/conditions"
 	"k8s.io/kubernetes/pkg/controller"
 	"k8s.io/kubernetes/pkg/controller/service"
@@ -91,6 +85,7 @@ import (
 	e2elog "k8s.io/kubernetes/test/e2e/framework/log"
 	e2enode "k8s.io/kubernetes/test/e2e/framework/node"
 	e2epod "k8s.io/kubernetes/test/e2e/framework/pod"
+	e2eresource "k8s.io/kubernetes/test/e2e/framework/resource"
 	e2essh "k8s.io/kubernetes/test/e2e/framework/ssh"
 	testutils "k8s.io/kubernetes/test/utils"
 	imageutils "k8s.io/kubernetes/test/utils/image"
@@ -2226,94 +2221,11 @@ func ScaleResource(
 	return e2epod.WaitForControlledPodsRunning(clientset, ns, name, kind)
 }
 
-func getRuntimeObjectForKind(c clientset.Interface, kind schema.GroupKind, ns, name string) (runtime.Object, error) {
-	switch kind {
-	case api.Kind("ReplicationController"):
-		return c.CoreV1().ReplicationControllers(ns).Get(name, metav1.GetOptions{})
-	case extensionsinternal.Kind("ReplicaSet"), appsinternal.Kind("ReplicaSet"):
-		return c.AppsV1().ReplicaSets(ns).Get(name, metav1.GetOptions{})
-	case extensionsinternal.Kind("Deployment"), appsinternal.Kind("Deployment"):
-		return c.AppsV1().Deployments(ns).Get(name, metav1.GetOptions{})
-	case extensionsinternal.Kind("DaemonSet"):
-		return c.AppsV1().DaemonSets(ns).Get(name, metav1.GetOptions{})
-	case batchinternal.Kind("Job"):
-		return c.BatchV1().Jobs(ns).Get(name, metav1.GetOptions{})
-	default:
-		return nil, fmt.Errorf("Unsupported kind when getting runtime object: %v", kind)
-	}
-}
-
-func getSelectorFromRuntimeObject(obj runtime.Object) (labels.Selector, error) {
-	switch typed := obj.(type) {
-	case *v1.ReplicationController:
-		return labels.SelectorFromSet(typed.Spec.Selector), nil
-	case *extensionsv1beta1.ReplicaSet:
-		return metav1.LabelSelectorAsSelector(typed.Spec.Selector)
-	case *appsv1.ReplicaSet:
-		return metav1.LabelSelectorAsSelector(typed.Spec.Selector)
-	case *extensionsv1beta1.Deployment:
-		return metav1.LabelSelectorAsSelector(typed.Spec.Selector)
-	case *appsv1.Deployment:
-		return metav1.LabelSelectorAsSelector(typed.Spec.Selector)
-	case *extensionsv1beta1.DaemonSet:
-		return metav1.LabelSelectorAsSelector(typed.Spec.Selector)
-	case *appsv1.DaemonSet:
-		return metav1.LabelSelectorAsSelector(typed.Spec.Selector)
-	case *batchv1.Job:
-		return metav1.LabelSelectorAsSelector(typed.Spec.Selector)
-	default:
-		return nil, fmt.Errorf("Unsupported kind when getting selector: %v", obj)
-	}
-}
-
-func getReplicasFromRuntimeObject(obj runtime.Object) (int32, error) {
-	switch typed := obj.(type) {
-	case *v1.ReplicationController:
-		if typed.Spec.Replicas != nil {
-			return *typed.Spec.Replicas, nil
-		}
-		return 0, nil
-	case *extensionsv1beta1.ReplicaSet:
-		if typed.Spec.Replicas != nil {
-			return *typed.Spec.Replicas, nil
-		}
-		return 0, nil
-	case *appsv1.ReplicaSet:
-		if typed.Spec.Replicas != nil {
-			return *typed.Spec.Replicas, nil
-		}
-		return 0, nil
-	case *extensionsv1beta1.Deployment:
-		if typed.Spec.Replicas != nil {
-			return *typed.Spec.Replicas, nil
-		}
-		return 0, nil
-	case *appsv1.Deployment:
-		if typed.Spec.Replicas != nil {
-			return *typed.Spec.Replicas, nil
-		}
-		return 0, nil
-	case *extensionsv1beta1.DaemonSet:
-		return 0, nil
-	case *appsv1.DaemonSet:
-		return 0, nil
-	case *batchv1.Job:
-		// TODO: currently we use pause pods so that's OK. When we'll want to switch to Pods
-		// that actually finish we need a better way to do this.
-		if typed.Spec.Parallelism != nil {
-			return *typed.Spec.Parallelism, nil
-		}
-		return 0, nil
-	default:
-		return -1, fmt.Errorf("Unsupported kind when getting number of replicas: %v", obj)
-	}
-}
-
 // DeleteResourceAndWaitForGC deletes only given resource and waits for GC to delete the pods.
 func DeleteResourceAndWaitForGC(c clientset.Interface, kind schema.GroupKind, ns, name string) error {
 	ginkgo.By(fmt.Sprintf("deleting %v %s in namespace %s, will wait for the garbage collector to delete the pods", kind, name, ns))
 
-	rtObject, err := getRuntimeObjectForKind(c, kind, ns, name)
+	rtObject, err := e2eresource.GetRuntimeObjectForKind(c, kind, ns, name)
 	if err != nil {
 		if apierrs.IsNotFound(err) {
 			e2elog.Logf("%v %s not found: %v", kind, name, err)
@@ -2321,11 +2233,11 @@ func DeleteResourceAndWaitForGC(c clientset.Interface, kind schema.GroupKind, ns
 		}
 		return err
 	}
-	selector, err := getSelectorFromRuntimeObject(rtObject)
+	selector, err := e2eresource.GetSelectorFromRuntimeObject(rtObject)
 	if err != nil {
 		return err
 	}
-	replicas, err := getReplicasFromRuntimeObject(rtObject)
+	replicas, err := e2eresource.GetReplicasFromRuntimeObject(rtObject)
 	if err != nil {
 		return err
 	}