func getTenants(cfg interface{}) (map[string]string, error) { items, err := config.GetConfigItems(cfg, "endpoint", "user", "password") if err != nil { return nil, err } endpoint := items["endpoint"].(string) user := items["user"].(string) password := items["password"].(string) // retrieve list of all available tenants for provided endpoint, user and password cmn := openstackintel.Common{} allTenants, err := cmn.GetTenants(endpoint, user, password) if err != nil { return nil, err } return allTenants, nil }