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Feature-gate CSINode and CSIDriver informer starts

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This commit is contained in:
Jordan Liggitt
2019-10-24 00:33:43 -04:00
parent 3f402534f3
commit 0e2f2dde4d
11 changed files with 75 additions and 18 deletions
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5
pkg/scheduler/framework/plugins/nodevolumelimits/BUILD
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@@ -6,18 +6,23 @@ go_library(
"azure.go",
"cinder.go",
"csi.go",
"csinode_helper.go",
"ebs.go",
"gce.go",
],
importpath = "k8s.io/kubernetes/pkg/scheduler/framework/plugins/nodevolumelimits",
visibility = ["//visibility:public"],
deps = [
"//pkg/features:go_default_library",
"//pkg/scheduler/algorithm/predicates:go_default_library",
"//pkg/scheduler/framework/plugins/migration:go_default_library",
"//pkg/scheduler/framework/v1alpha1:go_default_library",
"//pkg/scheduler/nodeinfo:go_default_library",
"//staging/src/k8s.io/api/core/v1:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/runtime: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/listers/storage/v1beta1:go_default_library",
],
)

3
pkg/scheduler/framework/plugins/nodevolumelimits/azure.go
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@@ -52,12 +52,11 @@ func (pl *AzureDiskLimits) Filter(ctx context.Context, _ *framework.CycleState,
// NewAzureDisk returns function that initializes a new plugin and returns it.
func NewAzureDisk(_ *runtime.Unknown, handle framework.FrameworkHandle) (framework.Plugin, error) {
informerFactory := handle.SharedInformerFactory()
csiNodeLister := informerFactory.Storage().V1beta1().CSINodes().Lister()
pvLister := informerFactory.Core().V1().PersistentVolumes().Lister()
pvcLister := informerFactory.Core().V1().PersistentVolumeClaims().Lister()
scLister := informerFactory.Storage().V1().StorageClasses().Lister()
return &AzureDiskLimits{
predicate: predicates.NewMaxPDVolumeCountPredicate(predicates.AzureDiskVolumeFilterType, csiNodeLister, scLister, pvLister, pvcLister),
predicate: predicates.NewMaxPDVolumeCountPredicate(predicates.AzureDiskVolumeFilterType, getCSINodeListerIfEnabled(informerFactory), scLister, pvLister, pvcLister),
}, nil
}

3
pkg/scheduler/framework/plugins/nodevolumelimits/cinder.go
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@@ -52,11 +52,10 @@ func (pl *CinderLimits) Filter(ctx context.Context, _ *framework.CycleState, pod
// NewCinder returns function that initializes a new plugin and returns it.
func NewCinder(_ *runtime.Unknown, handle framework.FrameworkHandle) (framework.Plugin, error) {
informerFactory := handle.SharedInformerFactory()
csiNodeLister := informerFactory.Storage().V1beta1().CSINodes().Lister()
pvLister := informerFactory.Core().V1().PersistentVolumes().Lister()
pvcLister := informerFactory.Core().V1().PersistentVolumeClaims().Lister()
scLister := informerFactory.Storage().V1().StorageClasses().Lister()
return &CinderLimits{
predicate: predicates.NewMaxPDVolumeCountPredicate(predicates.CinderVolumeFilterType, csiNodeLister, scLister, pvLister, pvcLister),
predicate: predicates.NewMaxPDVolumeCountPredicate(predicates.CinderVolumeFilterType, getCSINodeListerIfEnabled(informerFactory), scLister, pvLister, pvcLister),
}, nil
}

3
pkg/scheduler/framework/plugins/nodevolumelimits/csi.go
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@@ -52,12 +52,11 @@ func (pl *CSILimits) Filter(ctx context.Context, _ *framework.CycleState, pod *v
// NewCSI initializes a new plugin and returns it.
func NewCSI(_ *runtime.Unknown, handle framework.FrameworkHandle) (framework.Plugin, error) {
informerFactory := handle.SharedInformerFactory()
csiNodeLister := informerFactory.Storage().V1beta1().CSINodes().Lister()
pvLister := informerFactory.Core().V1().PersistentVolumes().Lister()
pvcLister := informerFactory.Core().V1().PersistentVolumeClaims().Lister()
scLister := informerFactory.Storage().V1().StorageClasses().Lister()
return &CSILimits{
predicate: predicates.NewCSIMaxVolumeLimitPredicate(csiNodeLister, pvLister, pvcLister, scLister),
predicate: predicates.NewCSIMaxVolumeLimitPredicate(getCSINodeListerIfEnabled(informerFactory), pvLister, pvcLister, scLister),
}, nil
}

32
pkg/scheduler/framework/plugins/nodevolumelimits/csinode_helper.go Normal file
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@@ -0,0 +1,32 @@
/*
Copyright 2019 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 nodevolumelimits
import (
utilfeature "k8s.io/apiserver/pkg/util/feature"
"k8s.io/client-go/informers"
v1beta1 "k8s.io/client-go/listers/storage/v1beta1"
kubefeatures "k8s.io/kubernetes/pkg/features"
)
// getCSINodeListerIfEnabled returns the CSINode lister or nil if the feature is disabled
func getCSINodeListerIfEnabled(factory informers.SharedInformerFactory) v1beta1.CSINodeLister {
if !utilfeature.DefaultFeatureGate.Enabled(kubefeatures.CSINodeInfo) {
return nil
}
return factory.Storage().V1beta1().CSINodes().Lister()
}

3
pkg/scheduler/framework/plugins/nodevolumelimits/ebs.go
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@@ -52,12 +52,11 @@ func (pl *EBSLimits) Filter(ctx context.Context, _ *framework.CycleState, pod *v
// NewEBS returns function that initializes a new plugin and returns it.
func NewEBS(_ *runtime.Unknown, handle framework.FrameworkHandle) (framework.Plugin, error) {
informerFactory := handle.SharedInformerFactory()
csiNodeLister := informerFactory.Storage().V1beta1().CSINodes().Lister()
pvLister := informerFactory.Core().V1().PersistentVolumes().Lister()
pvcLister := informerFactory.Core().V1().PersistentVolumeClaims().Lister()
scLister := informerFactory.Storage().V1().StorageClasses().Lister()
return &EBSLimits{
predicate: predicates.NewMaxPDVolumeCountPredicate(predicates.EBSVolumeFilterType, csiNodeLister, scLister, pvLister, pvcLister),
predicate: predicates.NewMaxPDVolumeCountPredicate(predicates.EBSVolumeFilterType, getCSINodeListerIfEnabled(informerFactory), scLister, pvLister, pvcLister),
}, nil
}

3
pkg/scheduler/framework/plugins/nodevolumelimits/gce.go
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@@ -52,12 +52,11 @@ func (pl *GCEPDLimits) Filter(ctx context.Context, _ *framework.CycleState, pod
// NewGCEPD returns function that initializes a new plugin and returns it.
func NewGCEPD(_ *runtime.Unknown, handle framework.FrameworkHandle) (framework.Plugin, error) {
informerFactory := handle.SharedInformerFactory()
csiNodeLister := informerFactory.Storage().V1beta1().CSINodes().Lister()
pvLister := informerFactory.Core().V1().PersistentVolumes().Lister()
pvcLister := informerFactory.Core().V1().PersistentVolumeClaims().Lister()
scLister := informerFactory.Storage().V1().StorageClasses().Lister()
return &GCEPDLimits{
predicate: predicates.NewMaxPDVolumeCountPredicate(predicates.GCEPDVolumeFilterType, csiNodeLister, scLister, pvLister, pvcLister),
predicate: predicates.NewMaxPDVolumeCountPredicate(predicates.GCEPDVolumeFilterType, getCSINodeListerIfEnabled(informerFactory), scLister, pvLister, pvcLister),
}, nil
}