mirror of https://github.com/k3s-io/k3s
468 lines
15 KiB
Go
468 lines
15 KiB
Go
/*
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Copyright 2014 Google Inc. All rights reserved.
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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 resourcequota
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import (
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"testing"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/admission"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/api/resource"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/client/testclient"
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)
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func getResourceRequirements(cpu, memory string) api.ResourceRequirements {
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res := api.ResourceRequirements{}
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res.Limits = api.ResourceList{}
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if cpu != "" {
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res.Limits[api.ResourceCPU] = resource.MustParse(cpu)
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}
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if memory != "" {
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res.Limits[api.ResourceMemory] = resource.MustParse(memory)
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}
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return res
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}
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func TestAdmissionIgnoresDelete(t *testing.T) {
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namespace := "default"
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handler := NewResourceQuota(&testclient.Fake{})
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err := handler.Admit(admission.NewAttributesRecord(nil, "Pod", namespace, "pods", "DELETE"))
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if err != nil {
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t.Errorf("ResourceQuota should admit all deletes", err)
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}
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}
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func TestIncrementUsagePods(t *testing.T) {
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namespace := "default"
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client := testclient.NewSimpleFake(&api.PodList{
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Items: []api.Pod{
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{
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ObjectMeta: api.ObjectMeta{Name: "123", Namespace: namespace},
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Spec: api.PodSpec{
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Volumes: []api.Volume{{Name: "vol"}},
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Containers: []api.Container{{Name: "ctr", Image: "image", Resources: getResourceRequirements("100m", "1Gi")}},
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},
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},
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},
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})
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status := &api.ResourceQuotaStatus{
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Hard: api.ResourceList{},
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Used: api.ResourceList{},
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}
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r := api.ResourcePods
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status.Hard[r] = resource.MustParse("2")
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status.Used[r] = resource.MustParse("1")
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dirty, err := IncrementUsage(admission.NewAttributesRecord(&api.Pod{}, "Pod", namespace, "pods", "CREATE"), status, client)
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if err != nil {
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t.Errorf("Unexpected error", err)
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}
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if !dirty {
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t.Errorf("Expected the status to get incremented, therefore should have been dirty")
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}
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quantity := status.Used[r]
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if quantity.Value() != int64(2) {
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t.Errorf("Expected new item count to be 2, but was %s", quantity.String())
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}
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}
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func TestIncrementUsageMemory(t *testing.T) {
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namespace := "default"
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client := testclient.NewSimpleFake(&api.PodList{
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Items: []api.Pod{
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{
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ObjectMeta: api.ObjectMeta{Name: "123", Namespace: namespace},
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Spec: api.PodSpec{
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Volumes: []api.Volume{{Name: "vol"}},
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Containers: []api.Container{{Name: "ctr", Image: "image", Resources: getResourceRequirements("100m", "1Gi")}},
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},
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},
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},
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})
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status := &api.ResourceQuotaStatus{
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Hard: api.ResourceList{},
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Used: api.ResourceList{},
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}
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r := api.ResourceMemory
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status.Hard[r] = resource.MustParse("2Gi")
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status.Used[r] = resource.MustParse("1Gi")
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newPod := &api.Pod{
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ObjectMeta: api.ObjectMeta{Name: "123", Namespace: namespace},
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Spec: api.PodSpec{
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Volumes: []api.Volume{{Name: "vol"}},
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Containers: []api.Container{{Name: "ctr", Image: "image", Resources: getResourceRequirements("100m", "1Gi")}},
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}}
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dirty, err := IncrementUsage(admission.NewAttributesRecord(newPod, "Pod", namespace, "pods", "CREATE"), status, client)
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if err != nil {
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t.Errorf("Unexpected error", err)
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}
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if !dirty {
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t.Errorf("Expected the status to get incremented, therefore should have been dirty")
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}
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expectedVal := resource.MustParse("2Gi")
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quantity := status.Used[r]
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if quantity.Value() != expectedVal.Value() {
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t.Errorf("Expected %v was %v", expectedVal.Value(), quantity.Value())
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}
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}
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func TestExceedUsageMemory(t *testing.T) {
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namespace := "default"
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client := testclient.NewSimpleFake(&api.PodList{
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Items: []api.Pod{
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{
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ObjectMeta: api.ObjectMeta{Name: "123", Namespace: namespace},
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Spec: api.PodSpec{
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Volumes: []api.Volume{{Name: "vol"}},
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Containers: []api.Container{{Name: "ctr", Image: "image", Resources: getResourceRequirements("100m", "1Gi")}},
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},
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},
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},
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})
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status := &api.ResourceQuotaStatus{
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Hard: api.ResourceList{},
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Used: api.ResourceList{},
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}
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r := api.ResourceMemory
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status.Hard[r] = resource.MustParse("2Gi")
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status.Used[r] = resource.MustParse("1Gi")
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newPod := &api.Pod{
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ObjectMeta: api.ObjectMeta{Name: "123", Namespace: namespace},
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Spec: api.PodSpec{
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Volumes: []api.Volume{{Name: "vol"}},
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Containers: []api.Container{{Name: "ctr", Image: "image", Resources: getResourceRequirements("100m", "3Gi")}},
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}}
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_, err := IncrementUsage(admission.NewAttributesRecord(newPod, "Pod", namespace, "pods", "CREATE"), status, client)
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if err == nil {
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t.Errorf("Expected memory usage exceeded error")
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}
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}
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func TestIncrementUsageCPU(t *testing.T) {
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namespace := "default"
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client := testclient.NewSimpleFake(&api.PodList{
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Items: []api.Pod{
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{
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ObjectMeta: api.ObjectMeta{Name: "123", Namespace: namespace},
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Spec: api.PodSpec{
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Volumes: []api.Volume{{Name: "vol"}},
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Containers: []api.Container{{Name: "ctr", Image: "image", Resources: getResourceRequirements("100m", "1Gi")}},
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},
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},
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},
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})
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status := &api.ResourceQuotaStatus{
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Hard: api.ResourceList{},
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Used: api.ResourceList{},
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}
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r := api.ResourceCPU
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status.Hard[r] = resource.MustParse("200m")
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status.Used[r] = resource.MustParse("100m")
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newPod := &api.Pod{
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ObjectMeta: api.ObjectMeta{Name: "123", Namespace: namespace},
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Spec: api.PodSpec{
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Volumes: []api.Volume{{Name: "vol"}},
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Containers: []api.Container{{Name: "ctr", Image: "image", Resources: getResourceRequirements("100m", "1Gi")}},
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}}
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dirty, err := IncrementUsage(admission.NewAttributesRecord(newPod, "Pod", namespace, "pods", "CREATE"), status, client)
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if err != nil {
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t.Errorf("Unexpected error", err)
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}
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if !dirty {
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t.Errorf("Expected the status to get incremented, therefore should have been dirty")
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}
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expectedVal := resource.MustParse("200m")
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quantity := status.Used[r]
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if quantity.Value() != expectedVal.Value() {
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t.Errorf("Expected %v was %v", expectedVal.Value(), quantity.Value())
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}
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}
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func TestUnboundedCPU(t *testing.T) {
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namespace := "default"
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client := testclient.NewSimpleFake(&api.PodList{
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Items: []api.Pod{
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{
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ObjectMeta: api.ObjectMeta{Name: "123", Namespace: namespace},
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Spec: api.PodSpec{
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Volumes: []api.Volume{{Name: "vol"}},
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Containers: []api.Container{{Name: "ctr", Image: "image", Resources: getResourceRequirements("100m", "1Gi")}},
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},
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},
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},
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})
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status := &api.ResourceQuotaStatus{
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Hard: api.ResourceList{},
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Used: api.ResourceList{},
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}
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r := api.ResourceCPU
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status.Hard[r] = resource.MustParse("200m")
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status.Used[r] = resource.MustParse("100m")
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newPod := &api.Pod{
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ObjectMeta: api.ObjectMeta{Name: "123", Namespace: namespace},
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Spec: api.PodSpec{
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Volumes: []api.Volume{{Name: "vol"}},
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Containers: []api.Container{{Name: "ctr", Image: "image", Resources: getResourceRequirements("0m", "1Gi")}},
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}}
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_, err := IncrementUsage(admission.NewAttributesRecord(newPod, "Pod", namespace, "pods", "CREATE"), status, client)
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if err == nil {
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t.Errorf("Expected CPU unbounded usage error")
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}
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}
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func TestUnboundedMemory(t *testing.T) {
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namespace := "default"
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client := testclient.NewSimpleFake(&api.PodList{
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Items: []api.Pod{
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{
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ObjectMeta: api.ObjectMeta{Name: "123", Namespace: namespace},
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Spec: api.PodSpec{
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Volumes: []api.Volume{{Name: "vol"}},
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Containers: []api.Container{{Name: "ctr", Image: "image", Resources: getResourceRequirements("100m", "1Gi")}},
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},
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},
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},
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})
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status := &api.ResourceQuotaStatus{
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Hard: api.ResourceList{},
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Used: api.ResourceList{},
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}
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r := api.ResourceMemory
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status.Hard[r] = resource.MustParse("10Gi")
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status.Used[r] = resource.MustParse("1Gi")
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newPod := &api.Pod{
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ObjectMeta: api.ObjectMeta{Name: "123", Namespace: namespace},
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Spec: api.PodSpec{
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Volumes: []api.Volume{{Name: "vol"}},
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Containers: []api.Container{{Name: "ctr", Image: "image", Resources: getResourceRequirements("250m", "0")}},
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}}
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_, err := IncrementUsage(admission.NewAttributesRecord(newPod, "Pod", namespace, "pods", "CREATE"), status, client)
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if err == nil {
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t.Errorf("Expected memory unbounded usage error")
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}
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}
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func TestExceedUsageCPU(t *testing.T) {
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namespace := "default"
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client := testclient.NewSimpleFake(&api.PodList{
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Items: []api.Pod{
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{
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ObjectMeta: api.ObjectMeta{Name: "123", Namespace: namespace},
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Spec: api.PodSpec{
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Volumes: []api.Volume{{Name: "vol"}},
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Containers: []api.Container{{Name: "ctr", Image: "image", Resources: getResourceRequirements("100m", "1Gi")}},
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},
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},
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},
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})
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status := &api.ResourceQuotaStatus{
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Hard: api.ResourceList{},
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Used: api.ResourceList{},
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}
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r := api.ResourceCPU
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status.Hard[r] = resource.MustParse("200m")
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status.Used[r] = resource.MustParse("100m")
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newPod := &api.Pod{
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ObjectMeta: api.ObjectMeta{Name: "123", Namespace: namespace},
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Spec: api.PodSpec{
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Volumes: []api.Volume{{Name: "vol"}},
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Containers: []api.Container{{Name: "ctr", Image: "image", Resources: getResourceRequirements("500m", "1Gi")}},
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}}
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_, err := IncrementUsage(admission.NewAttributesRecord(newPod, "Pod", namespace, "pods", "CREATE"), status, client)
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if err == nil {
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t.Errorf("Expected CPU usage exceeded error")
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}
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}
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func TestExceedUsagePods(t *testing.T) {
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namespace := "default"
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client := testclient.NewSimpleFake(&api.PodList{
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Items: []api.Pod{
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{
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ObjectMeta: api.ObjectMeta{Name: "123", Namespace: namespace},
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Spec: api.PodSpec{
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Volumes: []api.Volume{{Name: "vol"}},
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Containers: []api.Container{{Name: "ctr", Image: "image", Resources: getResourceRequirements("100m", "1Gi")}},
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},
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},
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},
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})
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status := &api.ResourceQuotaStatus{
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Hard: api.ResourceList{},
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Used: api.ResourceList{},
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}
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r := api.ResourcePods
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status.Hard[r] = resource.MustParse("1")
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status.Used[r] = resource.MustParse("1")
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_, err := IncrementUsage(admission.NewAttributesRecord(&api.Pod{}, "Pod", namespace, "pods", "CREATE"), status, client)
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if err == nil {
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t.Errorf("Expected error because this would exceed your quota")
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}
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}
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func TestIncrementUsageServices(t *testing.T) {
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namespace := "default"
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client := testclient.NewSimpleFake(&api.ServiceList{
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Items: []api.Service{
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{
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ObjectMeta: api.ObjectMeta{Name: "123", Namespace: namespace},
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},
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},
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})
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status := &api.ResourceQuotaStatus{
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Hard: api.ResourceList{},
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Used: api.ResourceList{},
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}
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r := api.ResourceServices
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status.Hard[r] = resource.MustParse("2")
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status.Used[r] = resource.MustParse("1")
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dirty, err := IncrementUsage(admission.NewAttributesRecord(&api.Service{}, "Service", namespace, "services", "CREATE"), status, client)
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if err != nil {
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t.Errorf("Unexpected error", err)
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}
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if !dirty {
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t.Errorf("Expected the status to get incremented, therefore should have been dirty")
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}
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quantity := status.Used[r]
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if quantity.Value() != int64(2) {
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t.Errorf("Expected new item count to be 2, but was %s", quantity.String())
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}
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}
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func TestExceedUsageServices(t *testing.T) {
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namespace := "default"
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client := testclient.NewSimpleFake(&api.ServiceList{
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Items: []api.Service{
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{
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ObjectMeta: api.ObjectMeta{Name: "123", Namespace: namespace},
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},
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},
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})
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status := &api.ResourceQuotaStatus{
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Hard: api.ResourceList{},
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Used: api.ResourceList{},
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}
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r := api.ResourceServices
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status.Hard[r] = resource.MustParse("1")
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status.Used[r] = resource.MustParse("1")
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_, err := IncrementUsage(admission.NewAttributesRecord(&api.Service{}, "Service", namespace, "services", "CREATE"), status, client)
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if err == nil {
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t.Errorf("Expected error because this would exceed usage")
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}
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}
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func TestIncrementUsageReplicationControllers(t *testing.T) {
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namespace := "default"
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client := testclient.NewSimpleFake(&api.ReplicationControllerList{
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Items: []api.ReplicationController{
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{
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ObjectMeta: api.ObjectMeta{Name: "123", Namespace: namespace},
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},
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},
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})
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status := &api.ResourceQuotaStatus{
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Hard: api.ResourceList{},
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Used: api.ResourceList{},
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}
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r := api.ResourceReplicationControllers
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status.Hard[r] = resource.MustParse("2")
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status.Used[r] = resource.MustParse("1")
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dirty, err := IncrementUsage(admission.NewAttributesRecord(&api.ReplicationController{}, "ReplicationController", namespace, "replicationControllers", "CREATE"), status, client)
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if err != nil {
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t.Errorf("Unexpected error", err)
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}
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if !dirty {
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t.Errorf("Expected the status to get incremented, therefore should have been dirty")
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}
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quantity := status.Used[r]
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if quantity.Value() != int64(2) {
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t.Errorf("Expected new item count to be 2, but was %s", quantity.String())
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}
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}
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func TestExceedUsageReplicationControllers(t *testing.T) {
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namespace := "default"
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client := testclient.NewSimpleFake(&api.ReplicationControllerList{
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Items: []api.ReplicationController{
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{
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ObjectMeta: api.ObjectMeta{Name: "123", Namespace: namespace},
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},
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},
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})
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status := &api.ResourceQuotaStatus{
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Hard: api.ResourceList{},
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Used: api.ResourceList{},
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}
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r := api.ResourceReplicationControllers
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status.Hard[r] = resource.MustParse("1")
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status.Used[r] = resource.MustParse("1")
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_, err := IncrementUsage(admission.NewAttributesRecord(&api.ReplicationController{}, "ReplicationController", namespace, "replicationControllers", "CREATE"), status, client)
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if err == nil {
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t.Errorf("Expected error for exceeding hard limits")
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}
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}
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func TestExceedUsageSecrets(t *testing.T) {
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namespace := "default"
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client := testclient.NewSimpleFake(&api.SecretList{
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Items: []api.Secret{
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{
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ObjectMeta: api.ObjectMeta{Name: "123", Namespace: namespace},
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},
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},
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})
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status := &api.ResourceQuotaStatus{
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Hard: api.ResourceList{},
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Used: api.ResourceList{},
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}
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r := api.ResourceSecrets
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status.Hard[r] = resource.MustParse("1")
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status.Used[r] = resource.MustParse("1")
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_, err := IncrementUsage(admission.NewAttributesRecord(&api.Secret{}, "Secret", namespace, "secrets", "CREATE"), status, client)
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if err == nil {
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t.Errorf("Expected error for exceeding hard limits")
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}
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}
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func TestExceedUsagePersistentVolumeClaims(t *testing.T) {
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namespace := "default"
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client := testclient.NewSimpleFake(&api.PersistentVolumeClaimList{
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Items: []api.PersistentVolumeClaim{
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{
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ObjectMeta: api.ObjectMeta{Name: "123", Namespace: namespace},
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},
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},
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})
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status := &api.ResourceQuotaStatus{
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Hard: api.ResourceList{},
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Used: api.ResourceList{},
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}
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r := api.ResourcePersistentVolumeClaims
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status.Hard[r] = resource.MustParse("1")
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status.Used[r] = resource.MustParse("1")
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_, err := IncrementUsage(admission.NewAttributesRecord(&api.PersistentVolumeClaim{}, "PersistentVolumeClaim", namespace, "persistentVolumeClaims", "CREATE"), status, client)
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if err == nil {
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t.Errorf("Expected error for exceeding hard limits")
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}
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}
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