mirror of https://github.com/k3s-io/k3s
198 lines
6.8 KiB
Go
198 lines
6.8 KiB
Go
/*
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Copyright 2015 The Kubernetes Authors 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 e2e
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import (
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/api/resource"
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"k8s.io/kubernetes/pkg/apis/experimental"
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. "github.com/onsi/ginkgo"
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)
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const (
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kind = "replicationController"
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subresource = "scale"
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)
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var _ = Describe("Horizontal pod autoscaling", func() {
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var rc *ResourceConsumer
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f := NewFramework("horizontal-pod-autoscaling")
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// CPU tests
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It("[Skipped][Autoscaling Suite] should scale from 1 pod to 3 pods and from 3 to 5 (scale resource: CPU)", func() {
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rc = NewDynamicResourceConsumer("rc", 1, 250, 0, 400, 100, f)
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defer rc.CleanUp()
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createCPUHorizontalPodAutoscaler(rc, "0.1")
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rc.WaitForReplicas(3)
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rc.ConsumeCPU(700)
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rc.WaitForReplicas(5)
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})
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It("[Skipped][Autoscaling Suite] should scale from 5 pods to 3 pods and from 3 to 1 (scale resource: CPU)", func() {
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rc = NewDynamicResourceConsumer("rc", 5, 700, 0, 200, 100, f)
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defer rc.CleanUp()
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createCPUHorizontalPodAutoscaler(rc, "0.3")
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rc.WaitForReplicas(3)
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rc.ConsumeCPU(100)
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rc.WaitForReplicas(1)
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})
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// Memory tests
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It("[Skipped][Autoscaling Suite] should scale from 1 pod to 3 pods and from 3 to 5 (scale resource: Memory)", func() {
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rc = NewDynamicResourceConsumer("rc", 1, 0, 2200, 100, 2500, f)
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defer rc.CleanUp()
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createMemoryHorizontalPodAutoscaler(rc, "1000")
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rc.WaitForReplicas(3)
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rc.ConsumeMem(4200)
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rc.WaitForReplicas(5)
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})
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It("[Skipped][Autoscaling Suite] should scale from 5 pods to 3 pods and from 3 to 1 (scale resource: Memory)", func() {
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rc = NewDynamicResourceConsumer("rc", 5, 0, 2200, 100, 2500, f)
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defer rc.CleanUp()
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createMemoryHorizontalPodAutoscaler(rc, "1000")
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rc.WaitForReplicas(3)
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rc.ConsumeMem(100)
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rc.WaitForReplicas(1)
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})
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// Backup tests, currently disabled
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It("[Skipped][Horizontal pod autoscaling Suite] should scale from 1 pod to 3 pods (scale resource: CPU)", func() {
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rc = NewDynamicResourceConsumer("rc", 1, 700, 0, 800, 100, f)
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defer rc.CleanUp()
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createCPUHorizontalPodAutoscaler(rc, "0.3")
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rc.WaitForReplicas(3)
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})
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It("[Skipped][Horizontal pod autoscaling Suite] should scale from 3 pods to 1 pod (scale resource: CPU)", func() {
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rc = NewDynamicResourceConsumer("rc", 3, 0, 0, 100, 100, f)
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defer rc.CleanUp()
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createCPUHorizontalPodAutoscaler(rc, "0.7")
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rc.WaitForReplicas(1)
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})
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It("[Skipped][Horizontal pod autoscaling Suite] should scale from 1 pod to maximum 5 pods (scale resource: CPU)", func() {
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rc = NewDynamicResourceConsumer("rc", 1, 700, 0, 800, 100, f)
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defer rc.CleanUp()
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createCPUHorizontalPodAutoscaler(rc, "0.1")
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rc.WaitForReplicas(5)
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})
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It("[Skipped][Horizontal pod autoscaling Suite] should scale from 1 pod to 3 pods and from 3 to 1 (scale resource: CPU)", func() {
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rc = NewDynamicResourceConsumer("rc", 1, 700, 0, 800, 100, f)
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defer rc.CleanUp()
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createCPUHorizontalPodAutoscaler(rc, "0.3")
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rc.WaitForReplicas(3)
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rc.ConsumeCPU(300)
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rc.WaitForReplicas(1)
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})
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It("[Skipped][Horizontal pod autoscaling Suite] should scale from 3 pods to 1 pod and from 1 to 3 (scale resource: CPU)", func() {
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rc = NewDynamicResourceConsumer("rc", 3, 0, 0, 800, 100, f)
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defer rc.CleanUp()
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createCPUHorizontalPodAutoscaler(rc, "0.3")
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rc.WaitForReplicas(1)
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rc.ConsumeCPU(700)
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rc.WaitForReplicas(3)
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})
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It("[Skipped][Horizontal pod autoscaling Suite] should scale from 1 pod to 3 pods (scale resource: Memory)", func() {
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rc = NewDynamicResourceConsumer("rc", 1, 0, 800, 100, 900, f)
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defer rc.CleanUp()
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createMemoryHorizontalPodAutoscaler(rc, "300")
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rc.WaitForReplicas(3)
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})
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It("[Skipped][Horizontal pod autoscaling Suite] should scale from 3 pods to 1 pod (scale resource: Memory)", func() {
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rc = NewDynamicResourceConsumer("rc", 3, 0, 0, 100, 100, f)
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defer rc.CleanUp()
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createMemoryHorizontalPodAutoscaler(rc, "700")
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rc.WaitForReplicas(1)
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})
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It("[Skipped][Horizontal pod autoscaling Suite] should scale from 1 pod to 3 pods and from 3 to 1 (scale resource: Memory)", func() {
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rc = NewDynamicResourceConsumer("rc", 1, 0, 700, 100, 800, f)
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defer rc.CleanUp()
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createMemoryHorizontalPodAutoscaler(rc, "300")
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rc.WaitForReplicas(3)
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rc.ConsumeMem(100)
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rc.WaitForReplicas(1)
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})
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It("[Skipped][Horizontal pod autoscaling Suite] should scale from 3 pods to 1 pod and from 1 to 3 (scale resource: Memory)", func() {
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rc = NewDynamicResourceConsumer("rc", 3, 0, 0, 100, 800, f)
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defer rc.CleanUp()
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createMemoryHorizontalPodAutoscaler(rc, "300")
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rc.WaitForReplicas(1)
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rc.ConsumeMem(700)
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rc.WaitForReplicas(3)
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})
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It("[Skipped][Horizontal pod autoscaling Suite] should scale from 1 pod to maximum 5 pods (scale resource: Memory)", func() {
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rc = NewDynamicResourceConsumer("rc", 1, 0, 700, 100, 800, f)
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defer rc.CleanUp()
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createMemoryHorizontalPodAutoscaler(rc, "100")
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rc.WaitForReplicas(5)
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})
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})
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func createCPUHorizontalPodAutoscaler(rc *ResourceConsumer, cpu string) {
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hpa := &experimental.HorizontalPodAutoscaler{
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ObjectMeta: api.ObjectMeta{
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Name: rc.name,
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Namespace: rc.framework.Namespace.Name,
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},
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Spec: experimental.HorizontalPodAutoscalerSpec{
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ScaleRef: &experimental.SubresourceReference{
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Kind: kind,
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Name: rc.name,
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Namespace: rc.framework.Namespace.Name,
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Subresource: subresource,
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},
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MinReplicas: 1,
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MaxReplicas: 5,
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Target: experimental.ResourceConsumption{Resource: api.ResourceCPU, Quantity: resource.MustParse(cpu)},
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},
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}
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_, errHPA := rc.framework.Client.Experimental().HorizontalPodAutoscalers(rc.framework.Namespace.Name).Create(hpa)
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expectNoError(errHPA)
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}
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// argument memory is in megabytes
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func createMemoryHorizontalPodAutoscaler(rc *ResourceConsumer, memory string) {
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hpa := &experimental.HorizontalPodAutoscaler{
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ObjectMeta: api.ObjectMeta{
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Name: rc.name,
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Namespace: rc.framework.Namespace.Name,
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},
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Spec: experimental.HorizontalPodAutoscalerSpec{
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ScaleRef: &experimental.SubresourceReference{
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Kind: kind,
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Name: rc.name,
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Namespace: rc.framework.Namespace.Name,
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Subresource: subresource,
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},
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MinReplicas: 1,
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MaxReplicas: 5,
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Target: experimental.ResourceConsumption{Resource: api.ResourceMemory, Quantity: resource.MustParse(memory + "M")},
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},
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}
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_, errHPA := rc.framework.Client.Experimental().HorizontalPodAutoscalers(rc.framework.Namespace.Name).Create(hpa)
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expectNoError(errHPA)
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}
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