// Creates a scheduler from a set of registered fit predicate keys and priority keys.
func (f *ConfigFactory) CreateFromKeys(predicateKeys, priorityKeys sets.String, extenders []algorithm.SchedulerExtender) (*scheduler.Config, error) {
glog.V(2).Infof("creating scheduler with fit predicates '%v' and priority functions '%v", predicateKeys, priorityKeys)
if f.HardPodAffinitySymmetricWeight < 0 || f.HardPodAffinitySymmetricWeight > 100 {
return nil, fmt.Errorf("invalid hardPodAffinitySymmetricWeight: %d, must be in the range 0-100", f.HardPodAffinitySymmetricWeight)
}
predicateFuncs, err := f.GetPredicates(predicateKeys)
if err != nil {
return nil, err
}
priorityConfigs, err := f.GetPriorityFunctionConfigs(priorityKeys)
if err != nil {
return nil, err
}
priorityMetaProducer, err := f.GetPriorityMetadataProducer()
if err != nil {
return nil, err
}
predicateMetaProducer, err := f.GetPredicateMetadataProducer()
if err != nil {
return nil, err
}
f.Run()
algo := scheduler.NewGenericScheduler(f.schedulerCache, predicateFuncs, predicateMetaProducer, priorityConfigs, priorityMetaProducer, extenders)
podBackoff := podBackoff{
perPodBackoff: map[types.NamespacedName]*backoffEntry{},
clock: realClock{},
defaultDuration: 1 * time.Second,
maxDuration: 60 * time.Second,
}
return &scheduler.Config{
SchedulerCache: f.schedulerCache,
// The scheduler only needs to consider schedulable nodes.
NodeLister: f.NodeLister.NodeCondition(getNodeConditionPredicate()),
Algorithm: algo,
Binder: &binder{f.Client},
PodConditionUpdater: &podConditionUpdater{f.Client},
NextPod: func() *v1.Pod {
return f.getNextPod()
},
Error: f.makeDefaultErrorFunc(&podBackoff, f.PodQueue),
StopEverything: f.StopEverything,
}, nil
}
// Creates a scheduler from a set of registered fit predicate keys and priority keys.
func (f *ConfigFactory) CreateFromKeys(predicateKeys, priorityKeys sets.String, extenders []algorithm.SchedulerExtender) (*scheduler.Config, error) {
glog.V(2).Infof("Creating scheduler with fit predicates '%v' and priority functions '%v", predicateKeys, priorityKeys)
if f.GetHardPodAffinitySymmetricWeight() < 0 || f.GetHardPodAffinitySymmetricWeight() > 100 {
return nil, fmt.Errorf("invalid hardPodAffinitySymmetricWeight: %d, must be in the range 0-100", f.GetHardPodAffinitySymmetricWeight())
}
predicateFuncs, err := f.GetPredicates(predicateKeys)
if err != nil {
return nil, err
}
priorityConfigs, err := f.GetPriorityFunctionConfigs(priorityKeys)
if err != nil {
return nil, err
}
priorityMetaProducer, err := f.GetPriorityMetadataProducer()
if err != nil {
return nil, err
}
predicateMetaProducer, err := f.GetPredicateMetadataProducer()
if err != nil {
return nil, err
}
f.Run()
algo := scheduler.NewGenericScheduler(f.schedulerCache, predicateFuncs, predicateMetaProducer, priorityConfigs, priorityMetaProducer, extenders)
podBackoff := util.CreateDefaultPodBackoff()
return &scheduler.Config{
SchedulerCache: f.schedulerCache,
// The scheduler only needs to consider schedulable nodes.
NodeLister: f.nodeLister.NodeCondition(getNodeConditionPredicate()),
Algorithm: algo,
Binder: &binder{f.client},
PodConditionUpdater: &podConditionUpdater{f.client},
NextPod: func() *v1.Pod {
return f.getNextPod()
},
Error: f.MakeDefaultErrorFunc(podBackoff, f.podQueue),
StopEverything: f.StopEverything,
}, nil
}
// Creates a scheduler from a set of registered fit predicate keys and priority keys.
func (f *ConfigFactory) CreateFromKeys(predicateKeys, priorityKeys sets.String, extenders []algorithm.SchedulerExtender) (*scheduler.Config, error) {
glog.V(2).Infof("creating scheduler with fit predicates '%v' and priority functions '%v", predicateKeys, priorityKeys)
pluginArgs := PluginFactoryArgs{
PodLister: f.PodLister,
ServiceLister: f.ServiceLister,
ControllerLister: f.ControllerLister,
ReplicaSetLister: f.ReplicaSetLister,
// All fit predicates only need to consider schedulable nodes.
NodeLister: f.NodeLister.NodeCondition(getNodeConditionPredicate()),
NodeInfo: &predicates.CachedNodeInfo{StoreToNodeLister: f.NodeLister},
PVInfo: f.PVLister,
PVCInfo: f.PVCLister,
}
predicateFuncs, err := getFitPredicateFunctions(predicateKeys, pluginArgs)
if err != nil {
return nil, err
}
priorityConfigs, err := getPriorityFunctionConfigs(priorityKeys, pluginArgs)
if err != nil {
return nil, err
}
// Watch and queue pods that need scheduling.
cache.NewReflector(f.createUnassignedNonTerminatedPodLW(), &api.Pod{}, f.PodQueue, 0).RunUntil(f.StopEverything)
// Begin populating scheduled pods.
go f.scheduledPodPopulator.Run(f.StopEverything)
// Watch nodes.
// Nodes may be listed frequently, so provide a local up-to-date cache.
cache.NewReflector(f.createNodeLW(), &api.Node{}, f.NodeLister.Store, 0).RunUntil(f.StopEverything)
// Watch PVs & PVCs
// They may be listed frequently for scheduling constraints, so provide a local up-to-date cache.
cache.NewReflector(f.createPersistentVolumeLW(), &api.PersistentVolume{}, f.PVLister.Store, 0).RunUntil(f.StopEverything)
cache.NewReflector(f.createPersistentVolumeClaimLW(), &api.PersistentVolumeClaim{}, f.PVCLister.Store, 0).RunUntil(f.StopEverything)
// Watch and cache all service objects. Scheduler needs to find all pods
// created by the same services or ReplicationControllers/ReplicaSets, so that it can spread them correctly.
// Cache this locally.
cache.NewReflector(f.createServiceLW(), &api.Service{}, f.ServiceLister.Store, 0).RunUntil(f.StopEverything)
// Watch and cache all ReplicationController objects. Scheduler needs to find all pods
// created by the same services or ReplicationControllers/ReplicaSets, so that it can spread them correctly.
// Cache this locally.
cache.NewReflector(f.createControllerLW(), &api.ReplicationController{}, f.ControllerLister.Store, 0).RunUntil(f.StopEverything)
// Watch and cache all ReplicaSet objects. Scheduler needs to find all pods
// created by the same services or ReplicationControllers/ReplicaSets, so that it can spread them correctly.
// Cache this locally.
cache.NewReflector(f.createReplicaSetLW(), &extensions.ReplicaSet{}, f.ReplicaSetLister.Store, 0).RunUntil(f.StopEverything)
r := rand.New(rand.NewSource(time.Now().UnixNano()))
algo := scheduler.NewGenericScheduler(f.schedulerCache, predicateFuncs, priorityConfigs, extenders, r)
podBackoff := podBackoff{
perPodBackoff: map[types.NamespacedName]*backoffEntry{},
clock: realClock{},
defaultDuration: 1 * time.Second,
maxDuration: 60 * time.Second,
}
return &scheduler.Config{
SchedulerCache: f.schedulerCache,
// The scheduler only needs to consider schedulable nodes.
NodeLister: f.NodeLister.NodeCondition(getNodeConditionPredicate()),
Algorithm: algo,
Binder: &binder{f.Client},
NextPod: func() *api.Pod {
return f.getNextPod()
},
Error: f.makeDefaultErrorFunc(&podBackoff, f.PodQueue),
StopEverything: f.StopEverything,
}, nil
}
// Creates a scheduler from a set of registered fit predicate keys and priority keys.
func (f *ConfigFactory) CreateFromKeys(predicateKeys, priorityKeys sets.String) (*scheduler.Config, error) {
glog.V(2).Infof("creating scheduler with fit predicates '%v' and priority functions '%v", predicateKeys, priorityKeys)
pluginArgs := PluginFactoryArgs{
PodLister: f.PodLister,
ServiceLister: f.ServiceLister,
ControllerLister: f.ControllerLister,
// All fit predicates only need to consider schedulable nodes.
NodeLister: f.NodeLister.NodeCondition(api.NodeReady, api.ConditionTrue),
NodeInfo: f.NodeLister,
}
predicateFuncs, err := getFitPredicateFunctions(predicateKeys, pluginArgs)
if err != nil {
return nil, err
}
priorityConfigs, err := getPriorityFunctionConfigs(priorityKeys, pluginArgs)
if err != nil {
return nil, err
}
// Watch and queue pods that need scheduling.
cache.NewReflector(f.createUnassignedPodLW(), &api.Pod{}, f.PodQueue, 0).RunUntil(f.StopEverything)
// Begin populating scheduled pods.
go f.scheduledPodPopulator.Run(f.StopEverything)
// Watch minions.
// Minions may be listed frequently, so provide a local up-to-date cache.
cache.NewReflector(f.createMinionLW(), &api.Node{}, f.NodeLister.Store, 0).RunUntil(f.StopEverything)
// Watch and cache all service objects. Scheduler needs to find all pods
// created by the same services or ReplicationControllers, so that it can spread them correctly.
// Cache this locally.
cache.NewReflector(f.createServiceLW(), &api.Service{}, f.ServiceLister.Store, 0).RunUntil(f.StopEverything)
// Watch and cache all ReplicationController objects. Scheduler needs to find all pods
// created by the same services or ReplicationControllers, so that it can spread them correctly.
// Cache this locally.
cache.NewReflector(f.createControllerLW(), &api.ReplicationController{}, f.ControllerLister.Store, 0).RunUntil(f.StopEverything)
r := rand.New(rand.NewSource(time.Now().UnixNano()))
algo := scheduler.NewGenericScheduler(predicateFuncs, priorityConfigs, f.PodLister, r)
podBackoff := podBackoff{
perPodBackoff: map[string]*backoffEntry{},
clock: realClock{},
defaultDuration: 1 * time.Second,
maxDuration: 60 * time.Second,
}
return &scheduler.Config{
Modeler: f.modeler,
// The scheduler only needs to consider schedulable nodes.
MinionLister: f.NodeLister.NodeCondition(api.NodeReady, api.ConditionTrue),
Algorithm: algo,
Binder: &binder{f.Client},
NextPod: func() *api.Pod {
pod := f.PodQueue.Pop().(*api.Pod)
glog.V(2).Infof("About to try and schedule pod %v", pod.Name)
return pod
},
Error: f.makeDefaultErrorFunc(&podBackoff, f.PodQueue),
BindPodsRateLimiter: f.BindPodsRateLimiter,
StopEverything: f.StopEverything,
}, nil
}