func getVolumeIDFromGlobalMount(host volume.VolumeHost, globalPath string) (string, error) {
basePath := path.Join(host.GetPluginDir(awsElasticBlockStorePluginName), "mounts")
rel, err := filepath.Rel(basePath, globalPath)
if err != nil {
return "", err
}
if strings.Contains(rel, "../") {
return "", fmt.Errorf("Unexpected mount path: " + globalPath)
}
// Reverse the :// replacement done in makeGlobalPDPath
volumeID := rel
if strings.HasPrefix(volumeID, "aws/") {
volumeID = strings.Replace(volumeID, "aws/", "aws://", 1)
}
glog.V(2).Info("Mapping mount dir ", globalPath, " to volumeID ", volumeID)
return volumeID, nil
}
// make a directory like /var/lib/qinglet/plugins/qingyuan/pod/rbd/pool-image-image
func makePDNameInternal(host volume.VolumeHost, pool string, image string) string {
return path.Join(host.GetPluginDir(RBDPluginName), "rbd", pool+"-image-"+image)
}
// make a directory like /var/lib/qinglet/plugins/qingyuan/pod/iscsi/portal-iqn-some_iqn-lun-0
func makePDNameInternal(host volume.VolumeHost, portal string, iqn string, lun string) string {
return path.Join(host.GetPluginDir(ISCSIPluginName), "iscsi", portal+"-iqn-"+iqn+"-lun-"+lun)
}
func makeGlobalPDPath(host volume.VolumeHost, volumeID string) string {
// Clean up the URI to be more fs-friendly
name := volumeID
name = strings.Replace(name, "://", "/", -1)
return path.Join(host.GetPluginDir(awsElasticBlockStorePluginName), "mounts", name)
}
func makeGlobalPDName(host volume.VolumeHost, devName string) string {
return path.Join(host.GetPluginDir(gcePersistentDiskPluginName), "mounts", devName)
}