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Revert "controller/volume: simplify sync logic in syncBoundClaim"

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This reverts commit 67787caeeb.
This commit is contained in:
Paul Morie 2016-07-30 14:00:09 -04:00
parent f0fa9e588f
commit a6d0dc0529
1 changed files with 42 additions and 37 deletions
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21
pkg/controller/volume/persistentvolume/controller.go
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@ -258,19 +258,22 @@ func (ctrl *PersistentVolumeController) syncBoundClaim(claim *api.PersistentVolu
// [Unit test set 3]
if claim.Spec.VolumeName == "" {
// Claim was bound before but not any more.
_, err := ctrl.updateClaimPhaseWithEvent(claim, api.ClaimLost, api.EventTypeWarning, "ClaimLost", "Bound claim has lost reference to PersistentVolume. Data on the volume is lost!")
if _, err := ctrl.updateClaimPhaseWithEvent(claim, api.ClaimLost, api.EventTypeWarning, "ClaimLost", "Bound claim has lost reference to PersistentVolume. Data on the volume is lost!"); err != nil {
return err
}
return nil
}
obj, found, err := ctrl.volumes.store.GetByKey(claim.Spec.VolumeName)
if err != nil {
return err
}
if !found {
// Claim is bound to a non-existing volume.
_, err = ctrl.updateClaimPhaseWithEvent(claim, api.ClaimLost, api.EventTypeWarning, "ClaimLost", "Bound claim has lost its PersistentVolume. Data on the volume is lost!")
if _, err = ctrl.updateClaimPhaseWithEvent(claim, api.ClaimLost, api.EventTypeWarning, "ClaimLost", "Bound claim has lost its PersistentVolume. Data on the volume is lost!"); err != nil {
return err
}
return nil
} else {
volume, ok := obj.(*api.PersistentVolume)
if !ok {
return fmt.Errorf("Cannot convert object from volume cache to volume %q!?: %+v", claim.Spec.VolumeName, obj)
@ -288,8 +291,7 @@ func (ctrl *PersistentVolumeController) syncBoundClaim(claim *api.PersistentVolu
return err
}
return nil
}
if volume.Spec.ClaimRef.UID == claim.UID {
} else if volume.Spec.ClaimRef.UID == claim.UID {
// All is well
// NOTE: syncPV can handle this so it can be left out.
// NOTE: bind() call here will do nothing in most cases as
@ -300,14 +302,17 @@ func (ctrl *PersistentVolumeController) syncBoundClaim(claim *api.PersistentVolu
return err
}
return nil
}
} else {
// Claim is bound but volume has a different claimant.
// Set the claim phase to 'Lost', which is a terminal
// phase.
_, err = ctrl.updateClaimPhaseWithEvent(claim, api.ClaimLost, api.EventTypeWarning, "ClaimMisbound", "Two claims are bound to the same volume, this one is bound incorrectly")
if _, err = ctrl.updateClaimPhaseWithEvent(claim, api.ClaimLost, api.EventTypeWarning, "ClaimMisbound", "Two claims are bound to the same volume, this one is bound incorrectly"); err != nil {
return err
}
return nil
}
}
}
// syncVolume is the main controller method to decide what to do with a volume.
// It's invoked by appropriate framework.Controller callbacks when a volume is