github/kubernetes
1
0
Fork 0
mirror of https://github.com/k3s-io/kubernetes.git synced 2026-01-05 23:47:50 +00:00
Code Issues Projects Releases Wiki Activity

Remove claimClass check and upgradeVolumeFrom1_2() function

Browse Source
This commit is contained in:
NickrenREN
2017-04-19 19:12:32 +08:00
parent e91bd12b99
commit eca490bbdd
3 changed files with 9 additions and 127 deletions
Download Patch File Download Diff File Expand all files Collapse all files

63
pkg/controller/volume/persistentvolume/pv_controller_base.go
View File

@@ -131,18 +131,14 @@ func (ctrl *PersistentVolumeController) initializeCaches(volumeLister corelister
return
}
for _, volume := range volumeList {
// Ignore template volumes from kubernetes 1.2
deleted := ctrl.upgradeVolumeFrom1_2(volume)
if !deleted {
clone, err := api.Scheme.DeepCopy(volume)
if err != nil {
glog.Errorf("error cloning volume %q: %v", volume.Name, err)
continue
}
volumeClone := clone.(*v1.PersistentVolume)
if _, err = ctrl.storeVolumeUpdate(volumeClone); err != nil {
glog.Errorf("error updating volume cache: %v", err)
}
clone, err := api.Scheme.DeepCopy(volume)
if err != nil {
glog.Errorf("error cloning volume %q: %v", volume.Name, err)
continue
}
volumeClone := clone.(*v1.PersistentVolume)
if _, err = ctrl.storeVolumeUpdate(volumeClone); err != nil {
glog.Errorf("error updating volume cache: %v", err)
}
}
@@ -191,11 +187,6 @@ func (ctrl *PersistentVolumeController) storeClaimUpdate(claim interface{}) (boo
// updateVolume runs in worker thread and handles "volume added",
// "volume updated" and "periodic sync" events.
func (ctrl *PersistentVolumeController) updateVolume(volume *v1.PersistentVolume) {
if deleted := ctrl.upgradeVolumeFrom1_2(volume); deleted {
// volume deleted
return
}
// Store the new volume version in the cache and do not process it if this
// is an old version.
new, err := ctrl.storeVolumeUpdate(volume)
@@ -407,44 +398,6 @@ func (ctrl *PersistentVolumeController) claimWorker() {
}
}
const (
// these pair of constants are used by the provisioner in Kubernetes 1.2.
pvProvisioningRequiredAnnotationKey = "volume.experimental.kubernetes.io/provisioning-required"
pvProvisioningCompletedAnnotationValue = "volume.experimental.kubernetes.io/provisioning-completed"
)
// upgradeVolumeFrom1_2 updates PV from Kubernetes 1.2 to 1.3 and newer. In 1.2,
// we used template PersistentVolume instances for dynamic provisioning. In 1.3
// and later, these template (and not provisioned) instances must be removed to
// make the controller to provision a new PV.
// It returns true if the volume was deleted.
// TODO: remove this function when upgrade from 1.2 becomes unsupported.
func (ctrl *PersistentVolumeController) upgradeVolumeFrom1_2(volume *v1.PersistentVolume) bool {
annValue, found := volume.Annotations[pvProvisioningRequiredAnnotationKey]
if !found {
// The volume is not template
return false
}
if annValue == pvProvisioningCompletedAnnotationValue {
// The volume is already fully provisioned. The new controller will
// ignore this annotation and it will obey its ReclaimPolicy, which is
// likely to delete the volume when appropriate claim is deleted.
return false
}
glog.V(2).Infof("deleting unprovisioned template volume %q from Kubernetes 1.2.", volume.Name)
err := ctrl.kubeClient.Core().PersistentVolumes().Delete(volume.Name, nil)
if err != nil {
glog.Errorf("cannot delete unprovisioned template volume %q: %v", volume.Name, err)
}
// Remove from local cache
err = ctrl.volumes.store.Delete(volume)
if err != nil {
glog.Errorf("cannot remove volume %q from local cache: %v", volume.Name, err)
}
return true
}
// setClaimProvisioner saves
// claim.Annotations[annStorageProvisioner] = class.Provisioner
func (ctrl *PersistentVolumeController) setClaimProvisioner(claim *v1.PersistentVolumeClaim, class *storage.StorageClass) (*v1.PersistentVolumeClaim, error) {