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Added PVC Protection Controller

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This controller removes protection finalizer from PVCs that are being
deleted and are not referenced by any pod.
This commit is contained in:
jsafrane
2017-11-15 23:03:43 +01:00
committed by pospispa
parent a06901a868
commit 4ad4ee3153
10 changed files with 967 additions and 0 deletions
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1
cmd/kube-controller-manager/app/BUILD
View File

@@ -79,6 +79,7 @@ go_library(
"//pkg/controller/volume/attachdetach:go_default_library",
"//pkg/controller/volume/expand:go_default_library",
"//pkg/controller/volume/persistentvolume:go_default_library",
"//pkg/controller/volume/pvcprotection:go_default_library",
"//pkg/features:go_default_library",
"//pkg/quota/generic:go_default_library",
"//pkg/quota/install:go_default_library",

1
cmd/kube-controller-manager/app/controllermanager.go
View File

@@ -359,6 +359,7 @@ func NewControllerInitializers() map[string]InitFunc {
controllers["attachdetach"] = startAttachDetachController
controllers["persistentvolume-expander"] = startVolumeExpandController
controllers["clusterrole-aggregation"] = startClusterRoleAggregrationController
controllers["pvc-protection"] = startPVCProtectionController
return controllers
}

13
cmd/kube-controller-manager/app/core.go
View File

@@ -53,6 +53,7 @@ import (
"k8s.io/kubernetes/pkg/controller/volume/attachdetach"
"k8s.io/kubernetes/pkg/controller/volume/expand"
persistentvolumecontroller "k8s.io/kubernetes/pkg/controller/volume/persistentvolume"
"k8s.io/kubernetes/pkg/controller/volume/pvcprotection"
"k8s.io/kubernetes/pkg/features"
"k8s.io/kubernetes/pkg/quota/generic"
quotainstall "k8s.io/kubernetes/pkg/quota/install"
@@ -376,3 +377,15 @@ func startGarbageCollectorController(ctx ControllerContext) (bool, error) {
return true, nil
}
func startPVCProtectionController(ctx ControllerContext) (bool, error) {
if utilfeature.DefaultFeatureGate.Enabled(features.PVCProtection) {
go pvcprotection.NewPVCProtectionController(
ctx.InformerFactory.Core().V1().PersistentVolumeClaims(),
ctx.InformerFactory.Core().V1().Pods(),
ctx.ClientBuilder.ClientOrDie("pvc-protection-controller"),
).Run(1, ctx.Stop)
return true, nil
}
return false, nil
}