7ad44d04fc
Check the PVC ref count on the node info cache to determine if a pod's PVCs are in use. If they are and it is using ReadWriteOncePod, fail the request.
106 lines
5.2 KiB
Go
106 lines
5.2 KiB
Go
/*
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Copyright 2019 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package plugins
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import (
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apiruntime "k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apiserver/pkg/util/feature"
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"k8s.io/kubernetes/pkg/features"
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"k8s.io/kubernetes/pkg/scheduler/framework"
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"k8s.io/kubernetes/pkg/scheduler/framework/plugins/defaultbinder"
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"k8s.io/kubernetes/pkg/scheduler/framework/plugins/defaultpreemption"
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plfeature "k8s.io/kubernetes/pkg/scheduler/framework/plugins/feature"
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"k8s.io/kubernetes/pkg/scheduler/framework/plugins/imagelocality"
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"k8s.io/kubernetes/pkg/scheduler/framework/plugins/interpodaffinity"
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"k8s.io/kubernetes/pkg/scheduler/framework/plugins/nodeaffinity"
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"k8s.io/kubernetes/pkg/scheduler/framework/plugins/nodelabel"
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"k8s.io/kubernetes/pkg/scheduler/framework/plugins/nodename"
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"k8s.io/kubernetes/pkg/scheduler/framework/plugins/nodeports"
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"k8s.io/kubernetes/pkg/scheduler/framework/plugins/nodepreferavoidpods"
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"k8s.io/kubernetes/pkg/scheduler/framework/plugins/noderesources"
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"k8s.io/kubernetes/pkg/scheduler/framework/plugins/nodeunschedulable"
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"k8s.io/kubernetes/pkg/scheduler/framework/plugins/nodevolumelimits"
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"k8s.io/kubernetes/pkg/scheduler/framework/plugins/podtopologyspread"
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"k8s.io/kubernetes/pkg/scheduler/framework/plugins/queuesort"
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"k8s.io/kubernetes/pkg/scheduler/framework/plugins/selectorspread"
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"k8s.io/kubernetes/pkg/scheduler/framework/plugins/serviceaffinity"
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"k8s.io/kubernetes/pkg/scheduler/framework/plugins/tainttoleration"
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"k8s.io/kubernetes/pkg/scheduler/framework/plugins/volumebinding"
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"k8s.io/kubernetes/pkg/scheduler/framework/plugins/volumerestrictions"
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"k8s.io/kubernetes/pkg/scheduler/framework/plugins/volumezone"
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"k8s.io/kubernetes/pkg/scheduler/framework/runtime"
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)
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// NewInTreeRegistry builds the registry with all the in-tree plugins.
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// A scheduler that runs out of tree plugins can register additional plugins
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// through the WithFrameworkOutOfTreeRegistry option.
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func NewInTreeRegistry() runtime.Registry {
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fts := plfeature.Features{
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EnablePodAffinityNamespaceSelector: feature.DefaultFeatureGate.Enabled(features.PodAffinityNamespaceSelector),
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EnablePodDisruptionBudget: feature.DefaultFeatureGate.Enabled(features.PodDisruptionBudget),
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EnablePodOverhead: feature.DefaultFeatureGate.Enabled(features.PodOverhead),
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EnableReadWriteOncePod: feature.DefaultFeatureGate.Enabled(features.ReadWriteOncePod),
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}
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return runtime.Registry{
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selectorspread.Name: selectorspread.New,
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imagelocality.Name: imagelocality.New,
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tainttoleration.Name: tainttoleration.New,
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nodename.Name: nodename.New,
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nodeports.Name: nodeports.New,
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nodepreferavoidpods.Name: nodepreferavoidpods.New,
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nodeaffinity.Name: nodeaffinity.New,
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podtopologyspread.Name: podtopologyspread.New,
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nodeunschedulable.Name: nodeunschedulable.New,
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noderesources.FitName: func(plArgs apiruntime.Object, fh framework.Handle) (framework.Plugin, error) {
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return noderesources.NewFit(plArgs, fh, fts)
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},
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noderesources.BalancedAllocationName: func(plArgs apiruntime.Object, fh framework.Handle) (framework.Plugin, error) {
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return noderesources.NewBalancedAllocation(plArgs, fh, fts)
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},
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noderesources.MostAllocatedName: func(plArgs apiruntime.Object, fh framework.Handle) (framework.Plugin, error) {
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return noderesources.NewMostAllocated(plArgs, fh, fts)
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},
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noderesources.LeastAllocatedName: func(plArgs apiruntime.Object, fh framework.Handle) (framework.Plugin, error) {
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return noderesources.NewLeastAllocated(plArgs, fh, fts)
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},
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noderesources.RequestedToCapacityRatioName: func(plArgs apiruntime.Object, fh framework.Handle) (framework.Plugin, error) {
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return noderesources.NewRequestedToCapacityRatio(plArgs, fh, fts)
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},
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volumebinding.Name: volumebinding.New,
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volumerestrictions.Name: func(plArgs apiruntime.Object, fh framework.Handle) (framework.Plugin, error) {
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return volumerestrictions.New(plArgs, fh, fts)
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},
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volumezone.Name: volumezone.New,
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nodevolumelimits.CSIName: nodevolumelimits.NewCSI,
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nodevolumelimits.EBSName: nodevolumelimits.NewEBS,
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nodevolumelimits.GCEPDName: nodevolumelimits.NewGCEPD,
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nodevolumelimits.AzureDiskName: nodevolumelimits.NewAzureDisk,
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nodevolumelimits.CinderName: nodevolumelimits.NewCinder,
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interpodaffinity.Name: func(plArgs apiruntime.Object, fh framework.Handle) (framework.Plugin, error) {
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return interpodaffinity.New(plArgs, fh, fts)
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},
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nodelabel.Name: nodelabel.New,
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serviceaffinity.Name: serviceaffinity.New,
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queuesort.Name: queuesort.New,
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defaultbinder.Name: defaultbinder.New,
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defaultpreemption.Name: func(plArgs apiruntime.Object, fh framework.Handle) (framework.Plugin, error) {
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return defaultpreemption.New(plArgs, fh, fts)
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},
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}
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}
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