func getName(v interface{}, key string, required bool, err error) (string, error) {
name, err := getLowerCaseFlag(v, key, required, err)
if err != nil {
return name, err
}
if !required && name == "" {
return name, nil
}
if !util.ValidateName(name) {
return "", fmt.Errorf("Invalid name %v", name)
}
return name, nil
}
func (s *Server) getDockerVolume(r *http.Request, create bool) (*Volume, error) {
name, err := getDockerVolumeName(r)
if err != nil {
return nil, err
}
var (
volume *Volume
volumeUUID string
volumeName string
)
if util.ValidateUUID(name) {
volumeUUID = name
volume = s.loadVolume(name)
} else if util.ValidateName(name) {
volumeName = name
volume = s.loadVolumeByName(name)
} else {
// Not valid UUID or name
return nil, fmt.Errorf("Invalid volume name. Must be a valid UUID or only contains 0-9, a-z, understore(_) and dot(.)")
}
if volume == nil {
if create {
log.Debugf("Create a new volume %v for docker", name)
volume, err = s.processVolumeCreate(volumeUUID, volumeName, "", s.DefaultVolumeSize, true)
if err != nil {
return nil, err
}
} else {
return nil, fmt.Errorf("Cannot find volume %v", name)
}
}
return volume, nil
}