mirror of https://github.com/k3s-io/k3s
247 lines
7.8 KiB
Go
247 lines
7.8 KiB
Go
/*
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Copyright 2015 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package resource
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import (
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"strings"
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"testing"
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"k8s.io/apimachinery/pkg/api/resource"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/util/uuid"
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api "k8s.io/kubernetes/pkg/apis/core"
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)
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func TestResourceHelpers(t *testing.T) {
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cpuLimit := resource.MustParse("10")
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memoryLimit := resource.MustParse("10G")
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resourceSpec := api.ResourceRequirements{
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Limits: api.ResourceList{
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api.ResourceCPU: cpuLimit,
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api.ResourceMemory: memoryLimit,
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},
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}
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if res := resourceSpec.Limits.Cpu(); res.Cmp(cpuLimit) != 0 {
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t.Errorf("expected cpulimit %v, got %v", cpuLimit, res)
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}
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if res := resourceSpec.Limits.Memory(); res.Cmp(memoryLimit) != 0 {
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t.Errorf("expected memorylimit %v, got %v", memoryLimit, res)
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}
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resourceSpec = api.ResourceRequirements{
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Limits: api.ResourceList{
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api.ResourceMemory: memoryLimit,
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},
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}
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if res := resourceSpec.Limits.Cpu(); res.Value() != 0 {
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t.Errorf("expected cpulimit %v, got %v", 0, res)
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}
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if res := resourceSpec.Limits.Memory(); res.Cmp(memoryLimit) != 0 {
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t.Errorf("expected memorylimit %v, got %v", memoryLimit, res)
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}
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}
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func TestDefaultResourceHelpers(t *testing.T) {
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resourceList := api.ResourceList{}
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if resourceList.Cpu().Format != resource.DecimalSI {
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t.Errorf("expected %v, actual %v", resource.DecimalSI, resourceList.Cpu().Format)
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}
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if resourceList.Memory().Format != resource.BinarySI {
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t.Errorf("expected %v, actual %v", resource.BinarySI, resourceList.Memory().Format)
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}
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}
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func TestPodRequestsAndLimits(t *testing.T) {
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tests := []struct {
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name string
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pod *api.Pod
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expectreqs map[api.ResourceName]resource.Quantity
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expectlimits map[api.ResourceName]resource.Quantity
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}{
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{
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name: "InitContainers resource < Containers resource",
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pod: &api.Pod{
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ObjectMeta: metav1.ObjectMeta{
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UID: uuid.NewUUID(),
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},
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Spec: api.PodSpec{
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InitContainers: []api.Container{
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makeContainer("100m", "200m", "100Mi", "200Mi"),
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},
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Containers: []api.Container{
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makeContainer("100m", "400m", "100Mi", "400Mi"),
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makeContainer("100m", "200m", "100Mi", "200Mi"),
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},
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},
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},
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expectreqs: map[api.ResourceName]resource.Quantity{
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api.ResourceCPU: resource.MustParse("200m"),
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api.ResourceMemory: resource.MustParse("200Mi"),
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},
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expectlimits: map[api.ResourceName]resource.Quantity{
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api.ResourceCPU: resource.MustParse("600m"),
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api.ResourceMemory: resource.MustParse("600Mi"),
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},
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},
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{
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name: "InitContainers resource > Containers resource",
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pod: &api.Pod{
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ObjectMeta: metav1.ObjectMeta{
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UID: uuid.NewUUID(),
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},
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Spec: api.PodSpec{
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InitContainers: []api.Container{
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makeContainer("500m", "500m", "500Mi", "500Mi"),
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makeContainer("100m", "200m", "100Mi", "200Mi"),
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},
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Containers: []api.Container{
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makeContainer("100m", "200m", "100Mi", "200Mi"),
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makeContainer("100m", "200m", "100Mi", "200Mi"),
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},
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},
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},
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expectreqs: map[api.ResourceName]resource.Quantity{
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api.ResourceCPU: resource.MustParse("500m"),
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api.ResourceMemory: resource.MustParse("500Mi"),
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},
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expectlimits: map[api.ResourceName]resource.Quantity{
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api.ResourceCPU: resource.MustParse("500m"),
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api.ResourceMemory: resource.MustParse("500Mi"),
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},
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},
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}
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for i, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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requests, limits := PodRequestsAndLimits(test.pod)
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for name, quantity := range test.expectreqs {
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if value, ok := requests[name]; !ok {
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t.Errorf("case[%d]: Error to get value of key=%s from requests result", i, name)
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} else if quantity.Cmp(value) != 0 {
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t.Errorf("case[%d]: Expected value of key=%s from requests result:%v, Got:%v", i, name, quantity, value)
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}
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}
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for name, quantity := range test.expectlimits {
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if value, ok := limits[name]; !ok {
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t.Errorf("case[%d]: Error to get value of key=%s from limits result", i, name)
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} else if quantity.Cmp(value) != 0 {
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t.Errorf("case[%d]: Expected value of key=%s from limits result:%v, Got:%v", i, name, quantity, value)
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}
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}
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})
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}
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}
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func TestExtractContainerResourceValue(t *testing.T) {
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testcontainer := &api.Container{
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Name: string(uuid.NewUUID()),
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Resources: api.ResourceRequirements{
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Limits: api.ResourceList{
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api.ResourceCPU: resource.MustParse("200m"),
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api.ResourceMemory: resource.MustParse("200Mi"),
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api.ResourceStorage: resource.MustParse("2G"),
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api.ResourceEphemeralStorage: resource.MustParse("2G"),
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},
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Requests: api.ResourceList{
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api.ResourceCPU: resource.MustParse("100m"),
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api.ResourceMemory: resource.MustParse("100Mi"),
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api.ResourceStorage: resource.MustParse("1G"),
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api.ResourceEphemeralStorage: resource.MustParse("300Mi"),
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},
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},
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}
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tests := []struct {
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name string
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filed *api.ResourceFieldSelector
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expectresult string
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expecterr string
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}{
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{
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name: "get limits cpu",
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filed: &api.ResourceFieldSelector{Resource: "limits.cpu", Divisor: resource.MustParse("1m")},
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expectresult: "200",
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expecterr: "",
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},
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{
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name: "get limits memory",
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filed: &api.ResourceFieldSelector{Resource: "limits.memory"},
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expectresult: "209715200",
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expecterr: "",
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},
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{
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name: "get limits ephemeral-storage",
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filed: &api.ResourceFieldSelector{Resource: "limits.ephemeral-storage", Divisor: resource.MustParse("1G")},
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expectresult: "2",
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expecterr: "",
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},
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{
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name: "get requests cpu",
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filed: &api.ResourceFieldSelector{Resource: "requests.cpu", Divisor: resource.MustParse("1m")},
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expectresult: "100",
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expecterr: "",
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},
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{
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name: "get requests memory",
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filed: &api.ResourceFieldSelector{Resource: "requests.memory", Divisor: resource.MustParse("1G")},
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expectresult: "1",
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expecterr: "",
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},
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{
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name: "get requests ephemeral-storage",
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filed: &api.ResourceFieldSelector{Resource: "requests.ephemeral-storage"},
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expectresult: "314572800",
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expecterr: "",
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},
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{
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name: "get limits storage",
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filed: &api.ResourceFieldSelector{Resource: "limits.storage", Divisor: resource.MustParse("1G")},
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expectresult: "",
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expecterr: "unsupported container resource",
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},
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}
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for i, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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result, err := ExtractContainerResourceValue(test.filed, testcontainer)
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if test.expecterr != "" {
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if !strings.Contains(err.Error(), test.expecterr) {
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t.Errorf("case[%d]:%s Expected err:%s, Got err:%s", i, test.name, test.expecterr, err.Error())
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}
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} else if err != nil {
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t.Errorf("case[%d]:%s Expected no err, Got err:%s", i, test.name, err.Error())
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}
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if result != test.expectresult {
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t.Errorf("case[%d]:%s Expected result:%s, Got result:%s", i, test.name, test.expectresult, result)
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}
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})
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}
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}
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func makeContainer(cpuReq, cpuLim, memReq, memLim string) api.Container {
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return api.Container{
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Name: string(uuid.NewUUID()),
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Resources: api.ResourceRequirements{
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Limits: api.ResourceList{
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api.ResourceCPU: resource.MustParse(cpuLim),
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api.ResourceMemory: resource.MustParse(memLim),
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},
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Requests: api.ResourceList{
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api.ResourceCPU: resource.MustParse(cpuReq),
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api.ResourceMemory: resource.MustParse(memReq),
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},
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},
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}
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}
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