恢复已删除的自定义角色

演示如何恢复自定义角色。

深入探索

如需查看包含此代码示例的详细文档，请参阅以下内容：

代码示例

C++

如需了解如何安装和使用 IAM 客户端库，请参阅 IAM 客户端库。如需了解详情，请参阅 IAM C++ API 参考文档。

如需向 IAM 进行身份验证，请设置应用默认凭据。 如需了解详情，请参阅为本地开发环境设置身份验证。 

namespace iam = ::google::cloud::iam_admin_v1;
[](std::string const& name) {
  iam::IAMClient client(iam::MakeIAMConnection());
  google::iam::admin::v1::UndeleteRoleRequest request;
  request.set_name(name);
  auto response = client.UndeleteRole(request);
  if (!response) throw std::move(response).status();
  std::cout << "Role successfully undeleted: " << response->DebugString()
            << "\n";
}

C#

如需了解如何安装和使用 IAM 客户端库，请参阅 IAM 客户端库。如需了解详情，请参阅 IAM C# API 参考文档。

如需向 IAM 进行身份验证，请设置应用默认凭据。 如需了解详情，请参阅为本地开发环境设置身份验证。 


using System;
using Google.Apis.Auth.OAuth2;
using Google.Apis.Iam.v1;
using Google.Apis.Iam.v1.Data;

public partial class CustomRoles
{
    public static Role UndeleteRole(string name, string projectId)
    {
        var credential = GoogleCredential.GetApplicationDefault()
            .CreateScoped(IamService.Scope.CloudPlatform);
        var service = new IamService(new IamService.Initializer
        {
            HttpClientInitializer = credential
        });

        string resource = $"projects/{projectId}/roles/{name}";
        var role = service.Projects.Roles.Undelete(
            new UndeleteRoleRequest(), resource).Execute();
        Console.WriteLine("Undeleted role: " + role.Name);
        return role;
    }
}

Go

如需了解如何安装和使用 IAM 客户端库，请参阅 IAM 客户端库。如需了解详情，请参阅 IAM Go API 参考文档。

如需向 IAM 进行身份验证，请设置应用默认凭据。 如需了解详情，请参阅为本地开发环境设置身份验证。 

import (
	"context"
	"fmt"
	"io"

	iam "google.golang.org/api/iam/v1"
)

// undeleteRole restores a deleted custom role.
func undeleteRole(w io.Writer, projectID, name string) (*iam.Role, error) {
	ctx := context.Background()
	service, err := iam.NewService(ctx)
	if err != nil {
		return nil, fmt.Errorf("iam.NewService: %w", err)
	}

	resource := "projects/" + projectID + "/roles/" + name
	request := &iam.UndeleteRoleRequest{}
	role, err := service.Projects.Roles.Undelete(resource, request).Do()
	if err != nil {
		return nil, fmt.Errorf("Projects.Roles.Undelete: %w", err)
	}
	fmt.Fprintf(w, "Undeleted role: %v", role.Name)
	return role, nil
}

Java

如需了解如何安装和使用 IAM 客户端库，请参阅 IAM 客户端库。如需了解详情，请参阅 IAM Java API 参考文档。

如需向 IAM 进行身份验证，请设置应用默认凭据。 如需了解详情，请参阅为本地开发环境设置身份验证。 


import com.google.cloud.iam.admin.v1.IAMClient;
import com.google.iam.admin.v1.Role;
import com.google.iam.admin.v1.UndeleteRoleRequest;
import java.io.IOException;

/**
 * Undelete a role to return it to its previous state. Undeleting only works on roles that were
 * deleted in the past 7 days.
 */
public class UndeleteRole {

  public static void main(String[] args) throws IOException {
    // TODO(developer): Replace the variables before running the sample.
    // Role ID must point to a role that was deleted in the past 7 days.
    String projectId = "your-project-id";
    String roleId = "a unique identifier (e.g. testViewer)";

    undeleteRole(projectId, roleId);
  }

  public static void undeleteRole(String projectId, String roleId) throws IOException {
    String roleName = "projects/" + projectId + "/roles/" + roleId;
    UndeleteRoleRequest undeleteRoleRequest =
        UndeleteRoleRequest.newBuilder().setName(roleName).build();

    // Initialize client for sending requests. This client only needs to be created
    // once, and can be reused for multiple requests.
    try (IAMClient iamClient = IAMClient.create()) {
      Role result = iamClient.undeleteRole(undeleteRoleRequest);
      System.out.println("Undeleted role:\n" + result);
    }
  }
}

Python

如需了解如何安装和使用 IAM 客户端库，请参阅 IAM 客户端库。如需了解详情，请参阅 IAM Python API 参考文档。

如需向 IAM 进行身份验证，请设置应用默认凭据。 如需了解详情，请参阅为本地开发环境设置身份验证。 

def undelete_role(name: str, project: str) -> dict:
    """Undeletes a role."""

    # pylint: disable=no-member
    role = (
        service.projects()
        .roles()
        .patch(
            name="projects/" + project + "/roles/" + name, body={"stage": "DISABLED"}
        )
        .execute()
    )

    print("Disabled role: " + role["name"])
    return role

后续步骤

如需搜索和过滤其他 Google Cloud 产品的代码示例，请参阅 Google Cloud 示例浏览器。