func (r *glusterfsVolumeProvisioner) Provision() (*v1.PersistentVolume, error) {
var err error
if r.options.PVC.Spec.Selector != nil {
glog.V(4).Infof("glusterfs: not able to parse your claim Selector")
return nil, fmt.Errorf("glusterfs: not able to parse your claim Selector")
}
glog.V(4).Infof("glusterfs: Provison VolumeOptions %v", r.options)
scName := storageutil.GetClaimStorageClass(r.options.PVC)
cfg, err := parseClassParameters(r.options.Parameters, r.plugin.host.GetKubeClient())
if err != nil {
return nil, err
}
r.provisioningConfig = *cfg
glog.V(4).Infof("glusterfs: creating volume with configuration %+v", r.provisioningConfig)
gidTable, err := r.plugin.getGidTable(scName, cfg.gidMin, cfg.gidMax)
if err != nil {
return nil, fmt.Errorf("glusterfs: failed to get gidTable: %v", err)
}
gid, _, err := gidTable.AllocateNext()
if err != nil {
glog.Errorf("glusterfs: failed to reserve gid from table: %v", err)
return nil, fmt.Errorf("glusterfs: failed to reserve gid from table: %v", err)
}
glog.V(2).Infof("glusterfs: got gid [%d] for PVC %s", gid, r.options.PVC.Name)
glusterfs, sizeGB, err := r.CreateVolume(gid)
if err != nil {
if release_err := gidTable.Release(gid); release_err != nil {
glog.Errorf("glusterfs: error when releasing gid in storageclass: %s", scName)
}
glog.Errorf("glusterfs: create volume err: %v.", err)
return nil, fmt.Errorf("glusterfs: create volume err: %v.", err)
}
pv := new(v1.PersistentVolume)
pv.Spec.PersistentVolumeSource.Glusterfs = glusterfs
pv.Spec.PersistentVolumeReclaimPolicy = r.options.PersistentVolumeReclaimPolicy
pv.Spec.AccessModes = r.options.PVC.Spec.AccessModes
if len(pv.Spec.AccessModes) == 0 {
pv.Spec.AccessModes = r.plugin.GetAccessModes()
}
gidStr := strconv.FormatInt(int64(gid), 10)
pv.Annotations = map[string]string{volumehelper.VolumeGidAnnotationKey: gidStr}
pv.Spec.Capacity = v1.ResourceList{
v1.ResourceName(v1.ResourceStorage): resource.MustParse(fmt.Sprintf("%dGi", sizeGB)),
}
return pv, nil
}
func addVolumeAnnotation(volume *v1.PersistentVolume, annName, annValue string) *v1.PersistentVolume {
if volume.Annotations == nil {
volume.Annotations = make(map[string]string)
}
volume.Annotations[annName] = annValue
return volume
}
// newVolume returns a new volume with given attributes
func newVolume(name, capacity, boundToClaimUID, boundToClaimName string, phase v1.PersistentVolumePhase, reclaimPolicy v1.PersistentVolumeReclaimPolicy, annotations ...string) *v1.PersistentVolume {
volume := v1.PersistentVolume{
ObjectMeta: v1.ObjectMeta{
Name: name,
ResourceVersion: "1",
},
Spec: v1.PersistentVolumeSpec{
Capacity: v1.ResourceList{
v1.ResourceName(v1.ResourceStorage): resource.MustParse(capacity),
},
PersistentVolumeSource: v1.PersistentVolumeSource{
GCEPersistentDisk: &v1.GCEPersistentDiskVolumeSource{},
},
AccessModes: []v1.PersistentVolumeAccessMode{v1.ReadWriteOnce, v1.ReadOnlyMany},
PersistentVolumeReclaimPolicy: reclaimPolicy,
},
Status: v1.PersistentVolumeStatus{
Phase: phase,
},
}
if boundToClaimName != "" {
volume.Spec.ClaimRef = &v1.ObjectReference{
Kind: "PersistentVolumeClaim",
APIVersion: "v1",
UID: types.UID(boundToClaimUID),
Namespace: testNamespace,
Name: boundToClaimName,
}
}
if len(annotations) > 0 {
volume.Annotations = make(map[string]string)
for _, a := range annotations {
switch a {
case annDynamicallyProvisioned:
volume.Annotations[a] = mockPluginName
case storageutil.StorageClassAnnotation:
volume.Annotations[a] = "gold"
default:
volume.Annotations[a] = "yes"
}
}
}
return &volume
}