Esempio n. 1
0
// initializeCaches fills all controller caches with initial data from etcd in
// order to have the caches already filled when first addClaim/addVolume to
// perform initial synchronization of the controller.
func (ctrl *PersistentVolumeController) initializeCaches(volumeSource, claimSource cache.ListerWatcher) {
	volumeListObj, err := volumeSource.List(api.ListOptions{})
	if err != nil {
		glog.Errorf("PersistentVolumeController can't initialize caches: %v", err)
		return
	}
	volumeList, ok := volumeListObj.(*api.List)
	if !ok {
		glog.Errorf("PersistentVolumeController can't initialize caches, expected list of volumes, got: %+v", volumeListObj)
		return
	}
	for _, volume := range volumeList.Items {
		// Ignore template volumes from kubernetes 1.2
		deleted := ctrl.upgradeVolumeFrom1_2(volume.(*api.PersistentVolume))
		if !deleted {
			storeObjectUpdate(ctrl.volumes.store, volume, "volume")
		}
	}

	claimListObj, err := claimSource.List(api.ListOptions{})
	if err != nil {
		glog.Errorf("PersistentVolumeController can't initialize caches: %v", err)
		return
	}
	claimList, ok := claimListObj.(*api.List)
	if !ok {
		glog.Errorf("PersistentVolumeController can't initialize caches, expected list of claims, got: %+v", volumeListObj)
		return
	}
	for _, claim := range claimList.Items {
		storeObjectUpdate(ctrl.claims, claim, "claim")
	}
	glog.V(4).Infof("controller initialized")
}
Esempio n. 2
0
// initializeCaches fills all controller caches with initial data from etcd in
// order to have the caches already filled when first addClaim/addVolume to
// perform initial synchronization of the controller.
func (ctrl *PersistentVolumeController) initializeCaches(volumeSource, claimSource cache.ListerWatcher) {
	volumeListObj, err := volumeSource.List(v1.ListOptions{})
	if err != nil {
		glog.Errorf("PersistentVolumeController can't initialize caches: %v", err)
		return
	}
	volumeList, ok := volumeListObj.(*v1.PersistentVolumeList)
	if !ok {
		glog.Errorf("PersistentVolumeController can't initialize caches, expected list of volumes, got: %#v", volumeListObj)
		return
	}
	for _, volume := range volumeList.Items {
		// 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)
			ctrl.storeVolumeUpdate(volumeClone)
		}
	}

	claimListObj, err := claimSource.List(v1.ListOptions{})
	if err != nil {
		glog.Errorf("PersistentVolumeController can't initialize caches: %v", err)
		return
	}
	claimList, ok := claimListObj.(*v1.PersistentVolumeClaimList)
	if !ok {
		glog.Errorf("PersistentVolumeController can't initialize caches, expected list of claims, got: %#v", claimListObj)
		return
	}
	for _, claim := range claimList.Items {
		clone, err := api.Scheme.DeepCopy(&claim)
		if err != nil {
			glog.Errorf("error cloning claim %q: %v", claimToClaimKey(&claim), err)
			continue
		}
		claimClone := clone.(*v1.PersistentVolumeClaim)
		ctrl.storeClaimUpdate(claimClone)
	}
	glog.V(4).Infof("controller initialized")
}