8cd95c78c4
Can be used either from a true shared informer or a local shared informer created just for the scheduler.
102 lines
3.4 KiB
Go
102 lines
3.4 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 benchmark
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import (
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"net/http"
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"net/http/httptest"
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"github.com/golang/glog"
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clientv1core "k8s.io/client-go/kubernetes/typed/core/v1"
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clientv1 "k8s.io/client-go/pkg/api/v1"
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restclient "k8s.io/client-go/rest"
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"k8s.io/client-go/tools/record"
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/api/v1"
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"k8s.io/kubernetes/pkg/client/clientset_generated/clientset"
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informers "k8s.io/kubernetes/pkg/client/informers/informers_generated/externalversions"
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"k8s.io/kubernetes/plugin/pkg/scheduler"
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_ "k8s.io/kubernetes/plugin/pkg/scheduler/algorithmprovider"
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"k8s.io/kubernetes/plugin/pkg/scheduler/factory"
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"k8s.io/kubernetes/test/integration/framework"
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)
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// mustSetupScheduler starts the following components:
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// - k8s api server (a.k.a. master)
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// - scheduler
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// It returns scheduler config factory and destroyFunc which should be used to
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// remove resources after finished.
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// Notes on rate limiter:
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// - client rate limit is set to 5000.
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func mustSetupScheduler() (schedulerConfigurator scheduler.Configurator, destroyFunc func()) {
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h := &framework.MasterHolder{Initialized: make(chan struct{})}
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s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
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<-h.Initialized
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h.M.GenericAPIServer.Handler.ServeHTTP(w, req)
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}))
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framework.RunAMasterUsingServer(framework.NewIntegrationTestMasterConfig(), s, h)
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clientSet := clientset.NewForConfigOrDie(&restclient.Config{
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Host: s.URL,
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ContentConfig: restclient.ContentConfig{GroupVersion: &api.Registry.GroupOrDie(v1.GroupName).GroupVersion},
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QPS: 5000.0,
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Burst: 5000,
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})
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informerFactory := informers.NewSharedInformerFactory(clientSet, 0)
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schedulerConfigurator = factory.NewConfigFactory(
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v1.DefaultSchedulerName,
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clientSet,
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informerFactory.Core().V1().Nodes(),
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informerFactory.Core().V1().Pods(),
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informerFactory.Core().V1().PersistentVolumes(),
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informerFactory.Core().V1().PersistentVolumeClaims(),
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informerFactory.Core().V1().ReplicationControllers(),
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informerFactory.Extensions().V1beta1().ReplicaSets(),
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informerFactory.Apps().V1beta1().StatefulSets(),
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informerFactory.Core().V1().Services(),
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v1.DefaultHardPodAffinitySymmetricWeight,
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)
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eventBroadcaster := record.NewBroadcaster()
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eventBroadcaster.StartRecordingToSink(&clientv1core.EventSinkImpl{Interface: clientv1core.New(clientSet.Core().RESTClient()).Events("")})
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sched, err := scheduler.NewFromConfigurator(schedulerConfigurator, func(conf *scheduler.Config) {
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conf.Recorder = eventBroadcaster.NewRecorder(api.Scheme, clientv1.EventSource{Component: "scheduler"})
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})
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if err != nil {
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glog.Fatalf("Error creating scheduler: %v", err)
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}
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stop := make(chan struct{})
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informerFactory.Start(stop)
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sched.Run()
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destroyFunc = func() {
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glog.Infof("destroying")
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sched.StopEverything()
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close(stop)
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s.Close()
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glog.Infof("destroyed")
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}
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return
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}
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