move pkg/api/v1/helpers.go to subpackage

pkg/kubelet/sysctl/BUILD

@@ -18,6 +18,7 @@ go_library(
     tags = ["automanaged"],
     deps = [
         "//pkg/api/v1:go_default_library",
+        "//pkg/api/v1/helper:go_default_library",
         "//pkg/api/validation:go_default_library",
         "//pkg/apis/extensions/validation:go_default_library",
         "//pkg/kubelet/container:go_default_library",

pkg/kubelet/sysctl/runtime.go

@@ -19,7 +19,7 @@ package sysctl
 import (
 	"fmt"
 
-	"k8s.io/kubernetes/pkg/api/v1"
+	v1helper "k8s.io/kubernetes/pkg/api/v1/helper"
 	"k8s.io/kubernetes/pkg/kubelet/container"
 	"k8s.io/kubernetes/pkg/kubelet/dockertools"
 	"k8s.io/kubernetes/pkg/kubelet/lifecycle"
@@ -81,7 +81,7 @@ func NewRuntimeAdmitHandler(runtime container.Runtime) (*runtimeAdmitHandler, er
 
 // Admit checks whether the runtime supports sysctls.
 func (w *runtimeAdmitHandler) Admit(attrs *lifecycle.PodAdmitAttributes) lifecycle.PodAdmitResult {
-	sysctls, unsafeSysctls, err := v1.SysctlsFromPodAnnotations(attrs.Pod.Annotations)
+	sysctls, unsafeSysctls, err := v1helper.SysctlsFromPodAnnotations(attrs.Pod.Annotations)
 	if err != nil {
 		return lifecycle.PodAdmitResult{
 			Admit:   false,

pkg/kubelet/sysctl/whitelist.go

@@ -21,6 +21,7 @@ import (
 	"strings"
 
 	"k8s.io/kubernetes/pkg/api/v1"
+	v1helper "k8s.io/kubernetes/pkg/api/v1/helper"
 	"k8s.io/kubernetes/pkg/api/validation"
 	extvalidation "k8s.io/kubernetes/pkg/apis/extensions/validation"
 	"k8s.io/kubernetes/pkg/kubelet/lifecycle"
@@ -140,7 +141,7 @@ func (w *patternWhitelist) Admit(attrs *lifecycle.PodAdmitAttributes) lifecycle.
 		}
 	}
 
-	sysctls, err := v1.SysctlsFromPodAnnotation(a)
+	sysctls, err := v1helper.SysctlsFromPodAnnotation(a)
 	if err != nil {
 		return lifecycle.PodAdmitResult{
 			Admit:   false,