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optimize the use of informer for scheduler

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This commit is contained in:
Jimmy Zhang
2020-09-15 18:21:40 +08:00
parent e36e68f5f6
commit 1f0bcc8f5d
2 changed files with 7 additions and 7 deletions
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2
pkg/scheduler/BUILD
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@@ -33,13 +33,13 @@ go_library(
"//staging/src/k8s.io/api/storage/v1:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/api/errors:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/fields:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/runtime:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/util/runtime:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/util/sets:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/util/wait:go_default_library",
"//staging/src/k8s.io/apiserver/pkg/util/feature:go_default_library",
"//staging/src/k8s.io/client-go/informers:go_default_library",
"//staging/src/k8s.io/client-go/informers/core/v1:go_default_library",
"//staging/src/k8s.io/client-go/kubernetes:go_default_library",
"//staging/src/k8s.io/client-go/listers/core/v1:go_default_library",
"//staging/src/k8s.io/client-go/tools/cache:go_default_library",

12
pkg/scheduler/scheduler.go
View File

@@ -27,10 +27,10 @@ import (
v1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/fields"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/client-go/informers"
coreinformers "k8s.io/client-go/informers/core/v1"
clientset "k8s.io/client-go/kubernetes"
"k8s.io/client-go/tools/cache"
"k8s.io/klog/v2"
@@ -649,9 +649,9 @@ func NewInformerFactory(cs clientset.Interface, resyncPeriod time.Duration) info
// newPodInformer creates a shared index informer that returns only non-terminal pods.
func newPodInformer(cs clientset.Interface, resyncPeriod time.Duration) cache.SharedIndexInformer {
selector := fields.ParseSelectorOrDie(
"status.phase!=" + string(v1.PodSucceeded) +
",status.phase!=" + string(v1.PodFailed))
lw := cache.NewListWatchFromClient(cs.CoreV1().RESTClient(), string(v1.ResourcePods), metav1.NamespaceAll, selector)
return cache.NewSharedIndexInformer(lw, &v1.Pod{}, resyncPeriod, nil)
selector := fmt.Sprintf("status.phase!=%v,status.phase!=%v", v1.PodSucceeded, v1.PodFailed)
tweakListOptions := func(options *metav1.ListOptions) {
options.FieldSelector = selector
}
return coreinformers.NewFilteredPodInformer(cs, metav1.NamespaceAll, resyncPeriod, nil, tweakListOptions)
}