apollo-portal/src/main/java/com/ctrip/framework/apollo/openapi/v1/controller/NamespaceController.java/NamespaceController/getNamespaceLock
class NamespaceController:  @GetMapping(value = "/openapi/v1/envs/{env}/apps/{appId}/clusters/{clusterName}/namespaces/{namespaceName}/lock")
  public OpenNamespaceLockDTO getNamespaceLock(@PathVariable String appId, @PathVariable String env,
                                               @PathVariable String clusterName, @PathVariable
                                                   String namespaceName) {
    return this.namespaceOpenApiService.getNamespaceLock(appId, env, clusterName, namespaceName);
  }