Remove alpha provisioning

This commit is contained in:
Jan Safranek
2017-02-01 14:51:54 +01:00
parent 96cfe7b938
commit 587eb199e0
15 changed files with 22 additions and 175 deletions

View File

@@ -203,10 +203,6 @@ type PersistentVolumeController struct {
createProvisionedPVRetryCount int
createProvisionedPVInterval time.Duration
// Provisioner for annAlphaClass.
// TODO: remove in 1.5
alphaProvisioner vol.ProvisionableVolumePlugin
}
// syncClaim is the main controller method to decide what to do with a claim.
@@ -243,7 +239,7 @@ func (ctrl *PersistentVolumeController) syncUnboundClaim(claim *v1.PersistentVol
glog.V(4).Infof("synchronizing unbound PersistentVolumeClaim[%s]: no volume found", claimToClaimKey(claim))
// No PV could be found
// OBSERVATION: pvc is "Pending", will retry
if storageutil.GetClaimStorageClass(claim) != "" || metav1.HasAnnotation(claim.ObjectMeta, storageutil.AlphaStorageClassAnnotation) {
if storageutil.GetClaimStorageClass(claim) != "" {
if err = ctrl.provisionClaim(claim); err != nil {
return err
}
@@ -1337,12 +1333,7 @@ func (ctrl *PersistentVolumeController) provisionClaimOperation(claimObj interfa
// Add annBoundByController (used in deleting the volume)
metav1.SetMetaDataAnnotation(&volume.ObjectMeta, annBoundByController, "yes")
metav1.SetMetaDataAnnotation(&volume.ObjectMeta, annDynamicallyProvisioned, plugin.GetPluginName())
// For Alpha provisioning behavior, do not add storage.BetaStorageClassAnnotations for volumes created
// by storage.AlphaStorageClassAnnotation
// TODO: remove this check in 1.5, storage.StorageClassAnnotation will be always non-empty there.
if claimClass != "" {
metav1.SetMetaDataAnnotation(&volume.ObjectMeta, storageutil.StorageClassAnnotation, claimClass)
}
metav1.SetMetaDataAnnotation(&volume.ObjectMeta, storageutil.StorageClassAnnotation, claimClass)
// Try to create the PV object several times
for i := 0; i < ctrl.createProvisionedPVRetryCount; i++ {
@@ -1444,20 +1435,6 @@ func (ctrl *PersistentVolumeController) newRecyclerEventRecorder(volume *v1.Pers
// It returns either the provisioning plugin or nil when an external
// provisioner is requested.
func (ctrl *PersistentVolumeController) findProvisionablePlugin(claim *v1.PersistentVolumeClaim) (vol.ProvisionableVolumePlugin, *storage.StorageClass, error) {
// TODO: remove this alpha behavior in 1.5
alpha := metav1.HasAnnotation(claim.ObjectMeta, storageutil.AlphaStorageClassAnnotation)
beta := metav1.HasAnnotation(claim.ObjectMeta, storageutil.BetaStorageClassAnnotation)
if alpha && beta {
// Both Alpha and Beta annotations are set. Do beta.
alpha = false
msg := fmt.Sprintf("both %q and %q annotations are present, using %q", storageutil.AlphaStorageClassAnnotation, storageutil.BetaStorageClassAnnotation, storageutil.BetaStorageClassAnnotation)
ctrl.eventRecorder.Event(claim, v1.EventTypeNormal, "ProvisioningIgnoreAlpha", msg)
}
if alpha {
// Fall back to fixed list of provisioner plugins
return ctrl.findAlphaProvisionablePlugin()
}
// provisionClaim() which leads here is never called with claimClass=="", we
// can save some checks.
claimClass := storageutil.GetClaimStorageClass(claim)
@@ -1485,28 +1462,6 @@ func (ctrl *PersistentVolumeController) findProvisionablePlugin(claim *v1.Persis
return plugin, class, nil
}
// findAlphaProvisionablePlugin returns a volume plugin compatible with
// Kubernetes 1.3.
// TODO: remove in Kubernetes 1.5
func (ctrl *PersistentVolumeController) findAlphaProvisionablePlugin() (vol.ProvisionableVolumePlugin, *storage.StorageClass, error) {
if ctrl.alphaProvisioner == nil {
return nil, nil, fmt.Errorf("cannot find volume plugin for alpha provisioning")
}
// Return a dummy StorageClass instance with no parameters
storageClass := &storage.StorageClass{
TypeMeta: metav1.TypeMeta{
Kind: "StorageClass",
},
ObjectMeta: metav1.ObjectMeta{
Name: "",
},
Provisioner: ctrl.alphaProvisioner.GetPluginName(),
}
glog.V(4).Infof("using alpha provisioner %s", ctrl.alphaProvisioner.GetPluginName())
return ctrl.alphaProvisioner, storageClass, nil
}
// findDeletablePlugin finds a deleter plugin for a given volume. It returns
// either the deleter plugin or nil when an external deleter is requested.
func (ctrl *PersistentVolumeController) findDeletablePlugin(volume *v1.PersistentVolume) (vol.DeletableVolumePlugin, error) {