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Scheduler ignored nodes with unknown condition status

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This commit is contained in:
Prashanth Balasubramanian
2015-05-01 17:00:37 -07:00
parent fccfa5cab2
commit 4b0607cf0b
3 changed files with 230 additions and 48 deletions
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17
plugin/pkg/scheduler/factory/factory.go
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@@ -64,9 +64,10 @@ func NewConfigFactory(client *client.Client) *ConfigFactory {
Client: client,
PodQueue: cache.NewFIFO(cache.MetaNamespaceKeyFunc),
ScheduledPodLister: &cache.StoreToPodLister{},
NodeLister: &cache.StoreToNodeLister{cache.NewStore(cache.MetaNamespaceKeyFunc)},
ServiceLister: &cache.StoreToServiceLister{cache.NewStore(cache.MetaNamespaceKeyFunc)},
StopEverything: make(chan struct{}),
// Only nodes in the "Ready" condition with status == "True" are schedulable
NodeLister: &cache.StoreToNodeLister{cache.NewStore(cache.MetaNamespaceKeyFunc)},
ServiceLister: &cache.StoreToServiceLister{cache.NewStore(cache.MetaNamespaceKeyFunc)},
StopEverything: make(chan struct{}),
}
modeler := scheduler.NewSimpleModeler(&cache.StoreToPodLister{c.PodQueue}, c.ScheduledPodLister)
c.modeler = modeler
@@ -150,8 +151,9 @@ func (f *ConfigFactory) CreateFromKeys(predicateKeys, priorityKeys util.StringSe
pluginArgs := PluginFactoryArgs{
PodLister: f.PodLister,
ServiceLister: f.ServiceLister,
NodeLister: f.NodeLister,
NodeInfo: f.NodeLister,
// 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 {
@@ -191,8 +193,9 @@ func (f *ConfigFactory) CreateFromKeys(predicateKeys, priorityKeys util.StringSe
}
return &scheduler.Config{
Modeler: f.modeler,
MinionLister: f.NodeLister,
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 {