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			552 lines
		
	
	
		
			20 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 autoscaling
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import (
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	"context"
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	"fmt"
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	"strconv"
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	"sync"
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	"time"
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	autoscalingv1 "k8s.io/api/autoscaling/v1"
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	v1 "k8s.io/api/core/v1"
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	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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	"k8s.io/apimachinery/pkg/runtime/schema"
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	"k8s.io/apimachinery/pkg/util/intstr"
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	"k8s.io/apimachinery/pkg/util/wait"
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	clientset "k8s.io/client-go/kubernetes"
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	"k8s.io/kubernetes/test/e2e/framework"
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	e2ekubectl "k8s.io/kubernetes/test/e2e/framework/kubectl"
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	e2erc "k8s.io/kubernetes/test/e2e/framework/rc"
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	e2eresource "k8s.io/kubernetes/test/e2e/framework/resource"
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	e2eservice "k8s.io/kubernetes/test/e2e/framework/service"
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	testutils "k8s.io/kubernetes/test/utils"
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	"github.com/onsi/ginkgo"
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	scaleclient "k8s.io/client-go/scale"
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	imageutils "k8s.io/kubernetes/test/utils/image"
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)
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const (
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	dynamicConsumptionTimeInSeconds = 30
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	dynamicRequestSizeInMillicores  = 100
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	dynamicRequestSizeInMegabytes   = 100
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	dynamicRequestSizeCustomMetric  = 10
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	port                            = 80
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	targetPort                      = 8080
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	timeoutRC                       = 120 * time.Second
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	startServiceTimeout             = time.Minute
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	startServiceInterval            = 5 * time.Second
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	rcIsNil                         = "ERROR: replicationController = nil"
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	deploymentIsNil                 = "ERROR: deployment = nil"
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	rsIsNil                         = "ERROR: replicaset = nil"
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	invalidKind                     = "ERROR: invalid workload kind for resource consumer"
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	customMetricName                = "QPS"
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	serviceInitializationTimeout    = 2 * time.Minute
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	serviceInitializationInterval   = 15 * time.Second
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)
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var (
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	resourceConsumerImage = imageutils.GetE2EImage(imageutils.ResourceConsumer)
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)
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var (
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	// KindRC is the GVK for ReplicationController
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	KindRC = schema.GroupVersionKind{Version: "v1", Kind: "ReplicationController"}
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	// KindDeployment is the GVK for Deployment
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	KindDeployment = schema.GroupVersionKind{Group: "apps", Version: "v1beta2", Kind: "Deployment"}
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	// KindReplicaSet is the GVK for ReplicaSet
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	KindReplicaSet = schema.GroupVersionKind{Group: "apps", Version: "v1beta2", Kind: "ReplicaSet"}
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)
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/*
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ResourceConsumer is a tool for testing. It helps create specified usage of CPU or memory (Warning: memory not supported)
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typical use case:
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rc.ConsumeCPU(600)
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// ... check your assumption here
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rc.ConsumeCPU(300)
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// ... check your assumption here
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*/
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type ResourceConsumer struct {
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	name                     string
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	controllerName           string
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	kind                     schema.GroupVersionKind
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	nsName                   string
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	clientSet                clientset.Interface
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	scaleClient              scaleclient.ScalesGetter
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	cpu                      chan int
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	mem                      chan int
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	customMetric             chan int
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	stopCPU                  chan int
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	stopMem                  chan int
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	stopCustomMetric         chan int
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	stopWaitGroup            sync.WaitGroup
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	consumptionTimeInSeconds int
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	sleepTime                time.Duration
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	requestSizeInMillicores  int
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	requestSizeInMegabytes   int
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	requestSizeCustomMetric  int
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}
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// NewDynamicResourceConsumer is a wrapper to create a new dynamic ResourceConsumer
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func NewDynamicResourceConsumer(name, nsName string, kind schema.GroupVersionKind, replicas, initCPUTotal, initMemoryTotal, initCustomMetric int, cpuLimit, memLimit int64, clientset clientset.Interface, scaleClient scaleclient.ScalesGetter) *ResourceConsumer {
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	return newResourceConsumer(name, nsName, kind, replicas, initCPUTotal, initMemoryTotal, initCustomMetric, dynamicConsumptionTimeInSeconds,
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		dynamicRequestSizeInMillicores, dynamicRequestSizeInMegabytes, dynamicRequestSizeCustomMetric, cpuLimit, memLimit, clientset, scaleClient, nil, nil)
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}
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/*
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NewResourceConsumer creates new ResourceConsumer
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initCPUTotal argument is in millicores
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initMemoryTotal argument is in megabytes
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memLimit argument is in megabytes, memLimit is a maximum amount of memory that can be consumed by a single pod
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cpuLimit argument is in millicores, cpuLimit is a maximum amount of cpu that can be consumed by a single pod
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*/
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func newResourceConsumer(name, nsName string, kind schema.GroupVersionKind, replicas, initCPUTotal, initMemoryTotal, initCustomMetric, consumptionTimeInSeconds, requestSizeInMillicores,
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	requestSizeInMegabytes int, requestSizeCustomMetric int, cpuLimit, memLimit int64, clientset clientset.Interface, scaleClient scaleclient.ScalesGetter, podAnnotations, serviceAnnotations map[string]string) *ResourceConsumer {
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	if podAnnotations == nil {
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		podAnnotations = make(map[string]string)
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	}
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	if serviceAnnotations == nil {
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		serviceAnnotations = make(map[string]string)
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	}
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	runServiceAndWorkloadForResourceConsumer(clientset, nsName, name, kind, replicas, cpuLimit, memLimit, podAnnotations, serviceAnnotations)
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	rc := &ResourceConsumer{
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		name:                     name,
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		controllerName:           name + "-ctrl",
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		kind:                     kind,
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		nsName:                   nsName,
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		clientSet:                clientset,
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		scaleClient:              scaleClient,
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		cpu:                      make(chan int),
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		mem:                      make(chan int),
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		customMetric:             make(chan int),
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		stopCPU:                  make(chan int),
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		stopMem:                  make(chan int),
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		stopCustomMetric:         make(chan int),
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		consumptionTimeInSeconds: consumptionTimeInSeconds,
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		sleepTime:                time.Duration(consumptionTimeInSeconds) * time.Second,
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		requestSizeInMillicores:  requestSizeInMillicores,
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		requestSizeInMegabytes:   requestSizeInMegabytes,
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		requestSizeCustomMetric:  requestSizeCustomMetric,
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	}
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	go rc.makeConsumeCPURequests()
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	rc.ConsumeCPU(initCPUTotal)
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	go rc.makeConsumeMemRequests()
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	rc.ConsumeMem(initMemoryTotal)
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	go rc.makeConsumeCustomMetric()
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	rc.ConsumeCustomMetric(initCustomMetric)
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	return rc
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}
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// ConsumeCPU consumes given number of CPU
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func (rc *ResourceConsumer) ConsumeCPU(millicores int) {
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	framework.Logf("RC %s: consume %v millicores in total", rc.name, millicores)
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	rc.cpu <- millicores
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}
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// ConsumeMem consumes given number of Mem
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func (rc *ResourceConsumer) ConsumeMem(megabytes int) {
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	framework.Logf("RC %s: consume %v MB in total", rc.name, megabytes)
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	rc.mem <- megabytes
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}
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// ConsumeCustomMetric consumes given number of custom metric
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func (rc *ResourceConsumer) ConsumeCustomMetric(amount int) {
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	framework.Logf("RC %s: consume custom metric %v in total", rc.name, amount)
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	rc.customMetric <- amount
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}
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func (rc *ResourceConsumer) makeConsumeCPURequests() {
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	defer ginkgo.GinkgoRecover()
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	rc.stopWaitGroup.Add(1)
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	defer rc.stopWaitGroup.Done()
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	sleepTime := time.Duration(0)
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	millicores := 0
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	for {
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		select {
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		case millicores = <-rc.cpu:
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			framework.Logf("RC %s: setting consumption to %v millicores in total", rc.name, millicores)
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		case <-time.After(sleepTime):
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			framework.Logf("RC %s: sending request to consume %d millicores", rc.name, millicores)
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			rc.sendConsumeCPURequest(millicores)
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			sleepTime = rc.sleepTime
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		case <-rc.stopCPU:
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			framework.Logf("RC %s: stopping CPU consumer", rc.name)
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			return
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		}
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	}
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}
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func (rc *ResourceConsumer) makeConsumeMemRequests() {
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	defer ginkgo.GinkgoRecover()
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	rc.stopWaitGroup.Add(1)
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	defer rc.stopWaitGroup.Done()
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	sleepTime := time.Duration(0)
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	megabytes := 0
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	for {
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		select {
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		case megabytes = <-rc.mem:
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			framework.Logf("RC %s: setting consumption to %v MB in total", rc.name, megabytes)
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		case <-time.After(sleepTime):
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			framework.Logf("RC %s: sending request to consume %d MB", rc.name, megabytes)
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			rc.sendConsumeMemRequest(megabytes)
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			sleepTime = rc.sleepTime
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		case <-rc.stopMem:
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			framework.Logf("RC %s: stopping mem consumer", rc.name)
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			return
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		}
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	}
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}
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func (rc *ResourceConsumer) makeConsumeCustomMetric() {
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	defer ginkgo.GinkgoRecover()
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	rc.stopWaitGroup.Add(1)
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	defer rc.stopWaitGroup.Done()
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	sleepTime := time.Duration(0)
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	delta := 0
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	for {
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		select {
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		case delta = <-rc.customMetric:
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			framework.Logf("RC %s: setting bump of metric %s to %d in total", rc.name, customMetricName, delta)
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		case <-time.After(sleepTime):
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			framework.Logf("RC %s: sending request to consume %d of custom metric %s", rc.name, delta, customMetricName)
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			rc.sendConsumeCustomMetric(delta)
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			sleepTime = rc.sleepTime
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		case <-rc.stopCustomMetric:
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			framework.Logf("RC %s: stopping metric consumer", rc.name)
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			return
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		}
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	}
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}
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func (rc *ResourceConsumer) sendConsumeCPURequest(millicores int) {
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	ctx, cancel := context.WithTimeout(context.Background(), framework.SingleCallTimeout)
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	defer cancel()
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	err := wait.PollImmediate(serviceInitializationInterval, serviceInitializationTimeout, func() (bool, error) {
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		proxyRequest, err := e2eservice.GetServicesProxyRequest(rc.clientSet, rc.clientSet.CoreV1().RESTClient().Post())
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		framework.ExpectNoError(err)
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		req := proxyRequest.Namespace(rc.nsName).
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			Name(rc.controllerName).
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			Suffix("ConsumeCPU").
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			Param("millicores", strconv.Itoa(millicores)).
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			Param("durationSec", strconv.Itoa(rc.consumptionTimeInSeconds)).
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			Param("requestSizeMillicores", strconv.Itoa(rc.requestSizeInMillicores))
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		framework.Logf("ConsumeCPU URL: %v", *req.URL())
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		_, err = req.DoRaw(ctx)
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		if err != nil {
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			framework.Logf("ConsumeCPU failure: %v", err)
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			return false, nil
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		}
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		return true, nil
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	})
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	framework.ExpectNoError(err)
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}
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// sendConsumeMemRequest sends POST request for memory consumption
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func (rc *ResourceConsumer) sendConsumeMemRequest(megabytes int) {
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	ctx, cancel := context.WithTimeout(context.Background(), framework.SingleCallTimeout)
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	defer cancel()
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	err := wait.PollImmediate(serviceInitializationInterval, serviceInitializationTimeout, func() (bool, error) {
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		proxyRequest, err := e2eservice.GetServicesProxyRequest(rc.clientSet, rc.clientSet.CoreV1().RESTClient().Post())
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		framework.ExpectNoError(err)
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		req := proxyRequest.Namespace(rc.nsName).
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			Name(rc.controllerName).
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			Suffix("ConsumeMem").
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			Param("megabytes", strconv.Itoa(megabytes)).
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			Param("durationSec", strconv.Itoa(rc.consumptionTimeInSeconds)).
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			Param("requestSizeMegabytes", strconv.Itoa(rc.requestSizeInMegabytes))
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		framework.Logf("ConsumeMem URL: %v", *req.URL())
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		_, err = req.DoRaw(ctx)
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		if err != nil {
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			framework.Logf("ConsumeMem failure: %v", err)
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			return false, nil
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		}
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		return true, nil
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	})
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	framework.ExpectNoError(err)
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}
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// sendConsumeCustomMetric sends POST request for custom metric consumption
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func (rc *ResourceConsumer) sendConsumeCustomMetric(delta int) {
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	ctx, cancel := context.WithTimeout(context.Background(), framework.SingleCallTimeout)
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	defer cancel()
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	err := wait.PollImmediate(serviceInitializationInterval, serviceInitializationTimeout, func() (bool, error) {
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		proxyRequest, err := e2eservice.GetServicesProxyRequest(rc.clientSet, rc.clientSet.CoreV1().RESTClient().Post())
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		framework.ExpectNoError(err)
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		req := proxyRequest.Namespace(rc.nsName).
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			Name(rc.controllerName).
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			Suffix("BumpMetric").
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			Param("metric", customMetricName).
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			Param("delta", strconv.Itoa(delta)).
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			Param("durationSec", strconv.Itoa(rc.consumptionTimeInSeconds)).
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			Param("requestSizeMetrics", strconv.Itoa(rc.requestSizeCustomMetric))
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		framework.Logf("ConsumeCustomMetric URL: %v", *req.URL())
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		_, err = req.DoRaw(ctx)
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						|
		if err != nil {
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			framework.Logf("ConsumeCustomMetric failure: %v", err)
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			return false, nil
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		}
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		return true, nil
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	})
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	framework.ExpectNoError(err)
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}
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// GetReplicas get the replicas
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func (rc *ResourceConsumer) GetReplicas() int {
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	switch rc.kind {
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	case KindRC:
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		replicationController, err := rc.clientSet.CoreV1().ReplicationControllers(rc.nsName).Get(context.TODO(), rc.name, metav1.GetOptions{})
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						|
		framework.ExpectNoError(err)
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						|
		if replicationController == nil {
 | 
						|
			framework.Failf(rcIsNil)
 | 
						|
		}
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		return int(replicationController.Status.ReadyReplicas)
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						|
	case KindDeployment:
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		deployment, err := rc.clientSet.AppsV1().Deployments(rc.nsName).Get(context.TODO(), rc.name, metav1.GetOptions{})
 | 
						|
		framework.ExpectNoError(err)
 | 
						|
		if deployment == nil {
 | 
						|
			framework.Failf(deploymentIsNil)
 | 
						|
		}
 | 
						|
		return int(deployment.Status.ReadyReplicas)
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						|
	case KindReplicaSet:
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						|
		rs, err := rc.clientSet.AppsV1().ReplicaSets(rc.nsName).Get(context.TODO(), rc.name, metav1.GetOptions{})
 | 
						|
		framework.ExpectNoError(err)
 | 
						|
		if rs == nil {
 | 
						|
			framework.Failf(rsIsNil)
 | 
						|
		}
 | 
						|
		return int(rs.Status.ReadyReplicas)
 | 
						|
	default:
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						|
		framework.Failf(invalidKind)
 | 
						|
	}
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						|
	return 0
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						|
}
 | 
						|
 | 
						|
// GetHpa get the corresponding horizontalPodAutoscaler object
 | 
						|
func (rc *ResourceConsumer) GetHpa(name string) (*autoscalingv1.HorizontalPodAutoscaler, error) {
 | 
						|
	return rc.clientSet.AutoscalingV1().HorizontalPodAutoscalers(rc.nsName).Get(context.TODO(), name, metav1.GetOptions{})
 | 
						|
}
 | 
						|
 | 
						|
// WaitForReplicas wait for the desired replicas
 | 
						|
func (rc *ResourceConsumer) WaitForReplicas(desiredReplicas int, duration time.Duration) {
 | 
						|
	interval := 20 * time.Second
 | 
						|
	err := wait.PollImmediate(interval, duration, func() (bool, error) {
 | 
						|
		replicas := rc.GetReplicas()
 | 
						|
		framework.Logf("waiting for %d replicas (current: %d)", desiredReplicas, replicas)
 | 
						|
		return replicas == desiredReplicas, nil // Expected number of replicas found. Exit.
 | 
						|
	})
 | 
						|
	framework.ExpectNoErrorWithOffset(1, err, "timeout waiting %v for %d replicas", duration, desiredReplicas)
 | 
						|
}
 | 
						|
 | 
						|
// EnsureDesiredReplicasInRange ensure the replicas is in a desired range
 | 
						|
func (rc *ResourceConsumer) EnsureDesiredReplicasInRange(minDesiredReplicas, maxDesiredReplicas int, duration time.Duration, hpaName string) {
 | 
						|
	interval := 10 * time.Second
 | 
						|
	err := wait.PollImmediate(interval, duration, func() (bool, error) {
 | 
						|
		replicas := rc.GetReplicas()
 | 
						|
		framework.Logf("expecting there to be in [%d, %d] replicas (are: %d)", minDesiredReplicas, maxDesiredReplicas, replicas)
 | 
						|
		as, err := rc.GetHpa(hpaName)
 | 
						|
		if err != nil {
 | 
						|
			framework.Logf("Error getting HPA: %s", err)
 | 
						|
		} else {
 | 
						|
			framework.Logf("HPA status: %+v", as.Status)
 | 
						|
		}
 | 
						|
		if replicas < minDesiredReplicas {
 | 
						|
			return false, fmt.Errorf("number of replicas below target")
 | 
						|
		} else if replicas > maxDesiredReplicas {
 | 
						|
			return false, fmt.Errorf("number of replicas above target")
 | 
						|
		} else {
 | 
						|
			return false, nil // Expected number of replicas found. Continue polling until timeout.
 | 
						|
		}
 | 
						|
	})
 | 
						|
	// The call above always returns an error, but if it is timeout, it's OK (condition satisfied all the time).
 | 
						|
	if err == wait.ErrWaitTimeout {
 | 
						|
		framework.Logf("Number of replicas was stable over %v", duration)
 | 
						|
		return
 | 
						|
	}
 | 
						|
	framework.ExpectNoErrorWithOffset(1, err)
 | 
						|
}
 | 
						|
 | 
						|
// Pause stops background goroutines responsible for consuming resources.
 | 
						|
func (rc *ResourceConsumer) Pause() {
 | 
						|
	ginkgo.By(fmt.Sprintf("HPA pausing RC %s", rc.name))
 | 
						|
	rc.stopCPU <- 0
 | 
						|
	rc.stopMem <- 0
 | 
						|
	rc.stopCustomMetric <- 0
 | 
						|
	rc.stopWaitGroup.Wait()
 | 
						|
}
 | 
						|
 | 
						|
// Resume starts background goroutines responsible for consuming resources.
 | 
						|
func (rc *ResourceConsumer) Resume() {
 | 
						|
	ginkgo.By(fmt.Sprintf("HPA resuming RC %s", rc.name))
 | 
						|
	go rc.makeConsumeCPURequests()
 | 
						|
	go rc.makeConsumeMemRequests()
 | 
						|
	go rc.makeConsumeCustomMetric()
 | 
						|
}
 | 
						|
 | 
						|
// CleanUp clean up the background goroutines responsible for consuming resources.
 | 
						|
func (rc *ResourceConsumer) CleanUp() {
 | 
						|
	ginkgo.By(fmt.Sprintf("Removing consuming RC %s", rc.name))
 | 
						|
	close(rc.stopCPU)
 | 
						|
	close(rc.stopMem)
 | 
						|
	close(rc.stopCustomMetric)
 | 
						|
	rc.stopWaitGroup.Wait()
 | 
						|
	// Wait some time to ensure all child goroutines are finished.
 | 
						|
	time.Sleep(10 * time.Second)
 | 
						|
	kind := rc.kind.GroupKind()
 | 
						|
	framework.ExpectNoError(e2eresource.DeleteResourceAndWaitForGC(rc.clientSet, kind, rc.nsName, rc.name))
 | 
						|
	framework.ExpectNoError(rc.clientSet.CoreV1().Services(rc.nsName).Delete(context.TODO(), rc.name, metav1.DeleteOptions{}))
 | 
						|
	framework.ExpectNoError(e2eresource.DeleteResourceAndWaitForGC(rc.clientSet, schema.GroupKind{Kind: "ReplicationController"}, rc.nsName, rc.controllerName))
 | 
						|
	framework.ExpectNoError(rc.clientSet.CoreV1().Services(rc.nsName).Delete(context.TODO(), rc.controllerName, metav1.DeleteOptions{}))
 | 
						|
}
 | 
						|
 | 
						|
func runServiceAndWorkloadForResourceConsumer(c clientset.Interface, ns, name string, kind schema.GroupVersionKind, replicas int, cpuLimitMillis, memLimitMb int64, podAnnotations, serviceAnnotations map[string]string) {
 | 
						|
	ginkgo.By(fmt.Sprintf("Running consuming RC %s via %s with %v replicas", name, kind, replicas))
 | 
						|
	_, err := c.CoreV1().Services(ns).Create(context.TODO(), &v1.Service{
 | 
						|
		ObjectMeta: metav1.ObjectMeta{
 | 
						|
			Name:        name,
 | 
						|
			Annotations: serviceAnnotations,
 | 
						|
		},
 | 
						|
		Spec: v1.ServiceSpec{
 | 
						|
			Ports: []v1.ServicePort{{
 | 
						|
				Port:       port,
 | 
						|
				TargetPort: intstr.FromInt(targetPort),
 | 
						|
			}},
 | 
						|
 | 
						|
			Selector: map[string]string{
 | 
						|
				"name": name,
 | 
						|
			},
 | 
						|
		},
 | 
						|
	}, metav1.CreateOptions{})
 | 
						|
	framework.ExpectNoError(err)
 | 
						|
 | 
						|
	rcConfig := testutils.RCConfig{
 | 
						|
		Client:      c,
 | 
						|
		Image:       resourceConsumerImage,
 | 
						|
		Name:        name,
 | 
						|
		Namespace:   ns,
 | 
						|
		Timeout:     timeoutRC,
 | 
						|
		Replicas:    replicas,
 | 
						|
		CpuRequest:  cpuLimitMillis,
 | 
						|
		CpuLimit:    cpuLimitMillis,
 | 
						|
		MemRequest:  memLimitMb * 1024 * 1024, // MemLimit is in bytes
 | 
						|
		MemLimit:    memLimitMb * 1024 * 1024,
 | 
						|
		Annotations: podAnnotations,
 | 
						|
	}
 | 
						|
 | 
						|
	switch kind {
 | 
						|
	case KindRC:
 | 
						|
		framework.ExpectNoError(e2erc.RunRC(rcConfig))
 | 
						|
	case KindDeployment:
 | 
						|
		dpConfig := testutils.DeploymentConfig{
 | 
						|
			RCConfig: rcConfig,
 | 
						|
		}
 | 
						|
		ginkgo.By(fmt.Sprintf("creating deployment %s in namespace %s", dpConfig.Name, dpConfig.Namespace))
 | 
						|
		dpConfig.NodeDumpFunc = framework.DumpNodeDebugInfo
 | 
						|
		dpConfig.ContainerDumpFunc = e2ekubectl.LogFailedContainers
 | 
						|
		framework.ExpectNoError(testutils.RunDeployment(dpConfig))
 | 
						|
	case KindReplicaSet:
 | 
						|
		rsConfig := testutils.ReplicaSetConfig{
 | 
						|
			RCConfig: rcConfig,
 | 
						|
		}
 | 
						|
		ginkgo.By(fmt.Sprintf("creating replicaset %s in namespace %s", rsConfig.Name, rsConfig.Namespace))
 | 
						|
		framework.ExpectNoError(runReplicaSet(rsConfig))
 | 
						|
	default:
 | 
						|
		framework.Failf(invalidKind)
 | 
						|
	}
 | 
						|
 | 
						|
	ginkgo.By(fmt.Sprintf("Running controller"))
 | 
						|
	controllerName := name + "-ctrl"
 | 
						|
	_, err = c.CoreV1().Services(ns).Create(context.TODO(), &v1.Service{
 | 
						|
		ObjectMeta: metav1.ObjectMeta{
 | 
						|
			Name: controllerName,
 | 
						|
		},
 | 
						|
		Spec: v1.ServiceSpec{
 | 
						|
			Ports: []v1.ServicePort{{
 | 
						|
				Port:       port,
 | 
						|
				TargetPort: intstr.FromInt(targetPort),
 | 
						|
			}},
 | 
						|
 | 
						|
			Selector: map[string]string{
 | 
						|
				"name": controllerName,
 | 
						|
			},
 | 
						|
		},
 | 
						|
	}, metav1.CreateOptions{})
 | 
						|
	framework.ExpectNoError(err)
 | 
						|
 | 
						|
	dnsClusterFirst := v1.DNSClusterFirst
 | 
						|
	controllerRcConfig := testutils.RCConfig{
 | 
						|
		Client:    c,
 | 
						|
		Image:     imageutils.GetE2EImage(imageutils.Agnhost),
 | 
						|
		Name:      controllerName,
 | 
						|
		Namespace: ns,
 | 
						|
		Timeout:   timeoutRC,
 | 
						|
		Replicas:  1,
 | 
						|
		Command:   []string{"/agnhost", "resource-consumer-controller", "--consumer-service-name=" + name, "--consumer-service-namespace=" + ns, "--consumer-port=80"},
 | 
						|
		DNSPolicy: &dnsClusterFirst,
 | 
						|
	}
 | 
						|
	framework.ExpectNoError(e2erc.RunRC(controllerRcConfig))
 | 
						|
 | 
						|
	// Wait for endpoints to propagate for the controller service.
 | 
						|
	framework.ExpectNoError(framework.WaitForServiceEndpointsNum(
 | 
						|
		c, ns, controllerName, 1, startServiceInterval, startServiceTimeout))
 | 
						|
}
 | 
						|
 | 
						|
// CreateCPUHorizontalPodAutoscaler create a horizontalPodAutoscaler with CPU target
 | 
						|
// for consuming resources.
 | 
						|
func CreateCPUHorizontalPodAutoscaler(rc *ResourceConsumer, cpu, minReplicas, maxRepl int32) *autoscalingv1.HorizontalPodAutoscaler {
 | 
						|
	hpa := &autoscalingv1.HorizontalPodAutoscaler{
 | 
						|
		ObjectMeta: metav1.ObjectMeta{
 | 
						|
			Name:      rc.name,
 | 
						|
			Namespace: rc.nsName,
 | 
						|
		},
 | 
						|
		Spec: autoscalingv1.HorizontalPodAutoscalerSpec{
 | 
						|
			ScaleTargetRef: autoscalingv1.CrossVersionObjectReference{
 | 
						|
				APIVersion: rc.kind.GroupVersion().String(),
 | 
						|
				Kind:       rc.kind.Kind,
 | 
						|
				Name:       rc.name,
 | 
						|
			},
 | 
						|
			MinReplicas:                    &minReplicas,
 | 
						|
			MaxReplicas:                    maxRepl,
 | 
						|
			TargetCPUUtilizationPercentage: &cpu,
 | 
						|
		},
 | 
						|
	}
 | 
						|
	hpa, errHPA := rc.clientSet.AutoscalingV1().HorizontalPodAutoscalers(rc.nsName).Create(context.TODO(), hpa, metav1.CreateOptions{})
 | 
						|
	framework.ExpectNoError(errHPA)
 | 
						|
	return hpa
 | 
						|
}
 | 
						|
 | 
						|
// DeleteHorizontalPodAutoscaler delete the horizontalPodAutoscaler for consuming resources.
 | 
						|
func DeleteHorizontalPodAutoscaler(rc *ResourceConsumer, autoscalerName string) {
 | 
						|
	rc.clientSet.AutoscalingV1().HorizontalPodAutoscalers(rc.nsName).Delete(context.TODO(), autoscalerName, metav1.DeleteOptions{})
 | 
						|
}
 | 
						|
 | 
						|
// runReplicaSet launches (and verifies correctness) of a replicaset.
 | 
						|
func runReplicaSet(config testutils.ReplicaSetConfig) error {
 | 
						|
	ginkgo.By(fmt.Sprintf("creating replicaset %s in namespace %s", config.Name, config.Namespace))
 | 
						|
	config.NodeDumpFunc = framework.DumpNodeDebugInfo
 | 
						|
	config.ContainerDumpFunc = e2ekubectl.LogFailedContainers
 | 
						|
	return testutils.RunReplicaSet(config)
 | 
						|
}
 |