kubernetes/test/integration/util/util.go
Davanum Srinivas 954996e231
Move from glog to klog
- Move from the old github.com/golang/glog to k8s.io/klog
- klog as explicit InitFlags() so we add them as necessary
- we update the other repositories that we vendor that made a similar
change from glog to klog
  * github.com/kubernetes/repo-infra
  * k8s.io/gengo/
  * k8s.io/kube-openapi/
  * github.com/google/cadvisor
- Entirely remove all references to glog
- Fix some tests by explicit InitFlags in their init() methods

Change-Id: I92db545ff36fcec83afe98f550c9e630098b3135
2018-11-10 07:50:31 -05:00

120 lines
4.7 KiB
Go

/*
Copyright 2018 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package util
import (
"net/http"
"net/http/httptest"
"k8s.io/api/core/v1"
utilfeature "k8s.io/apiserver/pkg/util/feature"
"k8s.io/client-go/informers"
clientset "k8s.io/client-go/kubernetes"
clientv1core "k8s.io/client-go/kubernetes/typed/core/v1"
"k8s.io/client-go/tools/record"
"k8s.io/klog"
"k8s.io/kubernetes/pkg/api/legacyscheme"
"k8s.io/kubernetes/pkg/features"
"k8s.io/kubernetes/pkg/scheduler"
schedulerapi "k8s.io/kubernetes/pkg/scheduler/api"
"k8s.io/kubernetes/pkg/scheduler/factory"
"k8s.io/kubernetes/test/integration/framework"
)
// ShutdownFunc represents the function handle to be called, typically in a defer handler, to shutdown a running module
type ShutdownFunc func()
// StartApiserver starts a local API server for testing and returns the handle to the URL and the shutdown function to stop it.
func StartApiserver() (string, ShutdownFunc) {
h := &framework.MasterHolder{Initialized: make(chan struct{})}
s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
<-h.Initialized
h.M.GenericAPIServer.Handler.ServeHTTP(w, req)
}))
framework.RunAMasterUsingServer(framework.NewIntegrationTestMasterConfig(), s, h)
shutdownFunc := func() {
klog.Infof("destroying API server")
s.Close()
klog.Infof("destroyed API server")
}
return s.URL, shutdownFunc
}
// StartScheduler configures and starts a scheduler given a handle to the clientSet interface
// and event broadcaster. It returns a handle to the configurator for the running scheduler
// and the shutdown function to stop it.
func StartScheduler(clientSet clientset.Interface) (factory.Configurator, ShutdownFunc) {
informerFactory := informers.NewSharedInformerFactory(clientSet, 0)
evtBroadcaster := record.NewBroadcaster()
evtWatch := evtBroadcaster.StartRecordingToSink(&clientv1core.EventSinkImpl{
Interface: clientSet.CoreV1().Events("")})
stopCh := make(chan struct{})
schedulerConfigurator := createSchedulerConfigurator(clientSet, informerFactory, stopCh)
sched, err := scheduler.NewFromConfigurator(schedulerConfigurator, func(conf *factory.Config) {
conf.Recorder = evtBroadcaster.NewRecorder(legacyscheme.Scheme, v1.EventSource{Component: "scheduler"})
})
if err != nil {
klog.Fatalf("Error creating scheduler: %v", err)
}
informerFactory.Start(stopCh)
sched.Run()
shutdownFunc := func() {
klog.Infof("destroying scheduler")
evtWatch.Stop()
close(stopCh)
klog.Infof("destroyed scheduler")
}
return schedulerConfigurator, shutdownFunc
}
// createSchedulerConfigurator create a configurator for scheduler with given informer factory and default name.
func createSchedulerConfigurator(
clientSet clientset.Interface,
informerFactory informers.SharedInformerFactory,
stopCh <-chan struct{},
) factory.Configurator {
// Enable EnableEquivalenceClassCache for all integration tests.
utilfeature.DefaultFeatureGate.Set("EnableEquivalenceClassCache=true")
return factory.NewConfigFactory(&factory.ConfigFactoryArgs{
SchedulerName: v1.DefaultSchedulerName,
Client: clientSet,
NodeInformer: informerFactory.Core().V1().Nodes(),
PodInformer: informerFactory.Core().V1().Pods(),
PvInformer: informerFactory.Core().V1().PersistentVolumes(),
PvcInformer: informerFactory.Core().V1().PersistentVolumeClaims(),
ReplicationControllerInformer: informerFactory.Core().V1().ReplicationControllers(),
ReplicaSetInformer: informerFactory.Apps().V1().ReplicaSets(),
StatefulSetInformer: informerFactory.Apps().V1().StatefulSets(),
ServiceInformer: informerFactory.Core().V1().Services(),
PdbInformer: informerFactory.Policy().V1beta1().PodDisruptionBudgets(),
StorageClassInformer: informerFactory.Storage().V1().StorageClasses(),
HardPodAffinitySymmetricWeight: v1.DefaultHardPodAffinitySymmetricWeight,
EnableEquivalenceClassCache: utilfeature.DefaultFeatureGate.Enabled(features.EnableEquivalenceClassCache),
DisablePreemption: false,
PercentageOfNodesToScore: schedulerapi.DefaultPercentageOfNodesToScore,
StopCh: stopCh,
})
}