vendor update for E2E framework

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>

vendor/k8s.io/kubernetes/pkg/kubectl/util/resource/resource.go

@@ -0,0 +1,138 @@
+/*
+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 resource
+
+import (
+	"fmt"
+	"math"
+	"strconv"
+	"strings"
+
+	corev1 "k8s.io/api/core/v1"
+	"k8s.io/apimachinery/pkg/api/resource"
+	"k8s.io/apimachinery/pkg/util/sets"
+)
+
+// PodRequestsAndLimits returns a dictionary of all defined resources summed up for all
+// containers of the pod.
+func PodRequestsAndLimits(pod *corev1.Pod) (reqs, limits corev1.ResourceList) {
+	reqs, limits = corev1.ResourceList{}, corev1.ResourceList{}
+	for _, container := range pod.Spec.Containers {
+		addResourceList(reqs, container.Resources.Requests)
+		addResourceList(limits, container.Resources.Limits)
+	}
+	// init containers define the minimum of any resource
+	for _, container := range pod.Spec.InitContainers {
+		maxResourceList(reqs, container.Resources.Requests)
+		maxResourceList(limits, container.Resources.Limits)
+	}
+	return
+}
+
+// addResourceList adds the resources in newList to list
+func addResourceList(list, new corev1.ResourceList) {
+	for name, quantity := range new {
+		if value, ok := list[name]; !ok {
+			list[name] = *quantity.Copy()
+		} else {
+			value.Add(quantity)
+			list[name] = value
+		}
+	}
+}
+
+// maxResourceList sets list to the greater of list/newList for every resource
+// either list
+func maxResourceList(list, new corev1.ResourceList) {
+	for name, quantity := range new {
+		if value, ok := list[name]; !ok {
+			list[name] = *quantity.Copy()
+			continue
+		} else {
+			if quantity.Cmp(value) > 0 {
+				list[name] = *quantity.Copy()
+			}
+		}
+	}
+}
+
+// ExtractContainerResourceValue extracts the value of a resource
+// in an already known container
+func ExtractContainerResourceValue(fs *corev1.ResourceFieldSelector, container *corev1.Container) (string, error) {
+	divisor := resource.Quantity{}
+	if divisor.Cmp(fs.Divisor) == 0 {
+		divisor = resource.MustParse("1")
+	} else {
+		divisor = fs.Divisor
+	}
+
+	switch fs.Resource {
+	case "limits.cpu":
+		return convertResourceCPUToString(container.Resources.Limits.Cpu(), divisor)
+	case "limits.memory":
+		return convertResourceMemoryToString(container.Resources.Limits.Memory(), divisor)
+	case "limits.ephemeral-storage":
+		return convertResourceEphemeralStorageToString(container.Resources.Limits.StorageEphemeral(), divisor)
+	case "requests.cpu":
+		return convertResourceCPUToString(container.Resources.Requests.Cpu(), divisor)
+	case "requests.memory":
+		return convertResourceMemoryToString(container.Resources.Requests.Memory(), divisor)
+	case "requests.ephemeral-storage":
+		return convertResourceEphemeralStorageToString(container.Resources.Requests.StorageEphemeral(), divisor)
+	}
+
+	return "", fmt.Errorf("Unsupported container resource : %v", fs.Resource)
+}
+
+// convertResourceCPUToString converts cpu value to the format of divisor and returns
+// ceiling of the value.
+func convertResourceCPUToString(cpu *resource.Quantity, divisor resource.Quantity) (string, error) {
+	c := int64(math.Ceil(float64(cpu.MilliValue()) / float64(divisor.MilliValue())))
+	return strconv.FormatInt(c, 10), nil
+}
+
+// convertResourceMemoryToString converts memory value to the format of divisor and returns
+// ceiling of the value.
+func convertResourceMemoryToString(memory *resource.Quantity, divisor resource.Quantity) (string, error) {
+	m := int64(math.Ceil(float64(memory.Value()) / float64(divisor.Value())))
+	return strconv.FormatInt(m, 10), nil
+}
+
+// convertResourceEphemeralStorageToString converts ephemeral storage value to the format of divisor and returns
+// ceiling of the value.
+func convertResourceEphemeralStorageToString(ephemeralStorage *resource.Quantity, divisor resource.Quantity) (string, error) {
+	m := int64(math.Ceil(float64(ephemeralStorage.Value()) / float64(divisor.Value())))
+	return strconv.FormatInt(m, 10), nil
+}
+
+var standardContainerResources = sets.NewString(
+	string(corev1.ResourceCPU),
+	string(corev1.ResourceMemory),
+	string(corev1.ResourceEphemeralStorage),
+)
+
+// IsStandardContainerResourceName returns true if the container can make a resource request
+// for the specified resource
+func IsStandardContainerResourceName(str string) bool {
+	return standardContainerResources.Has(str) || IsHugePageResourceName(corev1.ResourceName(str))
+}
+
+// IsHugePageResourceName returns true if the resource name has the huge page
+// resource prefix.
+func IsHugePageResourceName(name corev1.ResourceName) bool {
+	return strings.HasPrefix(string(name), corev1.ResourceHugePagesPrefix)
+}