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Implement multi-scheduler:

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1. Name default scheduler with name `kube-scheduler`
2. The default scheduler only schedules the pods meeting the following condition:
	- the pod has no annotation "scheduler.alpha.kubernetes.io/name: <scheduler-name>"
	- the pod has annotation "scheduler.alpha.kubernetes.io/name: kube-scheduler"

update gofmt

update according to @david's review

run hack/test-integration.sh, hack/test-go.sh and local e2e.test
This commit is contained in:
HaiyangDING
2015-11-27 17:07:17 +08:00
parent 4b18fa553f
commit d9f3607292
13 changed files with 302 additions and 19 deletions
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7
plugin/cmd/kube-scheduler/app/server.go
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@@ -58,6 +58,7 @@ type SchedulerServer struct {
BindPodsBurst int
KubeAPIQPS float32
KubeAPIBurst int
SchedulerName string
}
// NewSchedulerServer creates a new SchedulerServer with default parameters
@@ -70,6 +71,7 @@ func NewSchedulerServer() *SchedulerServer {
BindPodsBurst: 100,
KubeAPIQPS: 50.0,
KubeAPIBurst: 100,
SchedulerName: api.DefaultSchedulerName,
}
return &s
}
@@ -107,6 +109,7 @@ func (s *SchedulerServer) AddFlags(fs *pflag.FlagSet) {
fs.IntVar(&s.BindPodsBurst, "bind-pods-burst", s.BindPodsBurst, "Number of bindings per second scheduler is allowed to make during bursts")
fs.Float32Var(&s.KubeAPIQPS, "kube-api-qps", s.KubeAPIQPS, "QPS to use while talking with kubernetes apiserver")
fs.IntVar(&s.KubeAPIBurst, "kube-api-burst", s.KubeAPIBurst, "Burst to use while talking with kubernetes apiserver")
fs.StringVar(&s.SchedulerName, "scheduler-name", s.SchedulerName, "Name of the scheduler, used to select which pods will be processed by this scheduler, based on pod's annotation with key 'scheduler.alpha.kubernetes.io/name'")
}
// Run runs the specified SchedulerServer. This should never exit.
@@ -142,14 +145,14 @@ func (s *SchedulerServer) Run(_ []string) error {
glog.Fatal(server.ListenAndServe())
}()
configFactory := factory.NewConfigFactory(kubeClient, util.NewTokenBucketRateLimiter(s.BindPodsQPS, s.BindPodsBurst))
configFactory := factory.NewConfigFactory(kubeClient, util.NewTokenBucketRateLimiter(s.BindPodsQPS, s.BindPodsBurst), s.SchedulerName)
config, err := s.createConfig(configFactory)
if err != nil {
glog.Fatalf("Failed to create scheduler configuration: %v", err)
}
eventBroadcaster := record.NewBroadcaster()
config.Recorder = eventBroadcaster.NewRecorder(api.EventSource{Component: "scheduler"})
config.Recorder = eventBroadcaster.NewRecorder(api.EventSource{Component: s.SchedulerName})
eventBroadcaster.StartLogging(glog.Infof)
eventBroadcaster.StartRecordingToSink(kubeClient.Events(""))