获取拒绝政策

检索拒绝政策的相关信息。

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：

• 拒绝访问资源

代码示例

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 "cloud.google.com/go/iam/apiv2"
	iampb "google.golang.org/genproto/googleapis/iam/v2"
)

// getDenyPolicy retrieves the deny policy given the project ID and policy ID.
func getDenyPolicy(w io.Writer, projectID, policyID string) error {
	// projectID := "your_project_id"
	// policyID := "your_policy_id"

	ctx := context.Background()
	policiesClient, err := iam.NewPoliciesClient(ctx)
	if err != nil {
		return fmt.Errorf("NewPoliciesClient: %w", err)
	}
	defer policiesClient.Close()

	// Each deny policy is attached to an organization, folder, or project.
	// To work with deny policies, specify the attachment point.
	//
	// Its format can be one of the following:
	// 1. cloudresourcemanager.googleapis.com/organizations/ORG_ID
	// 2. cloudresourcemanager.googleapis.com/folders/FOLDER_ID
	// 3. cloudresourcemanager.googleapis.com/projects/PROJECT_ID
	//
	// The attachment point is identified by its URL-encoded resource name. Hence, replace
	// the "/" with "%%2F".
	attachmentPoint := fmt.Sprintf(
		"cloudresourcemanager.googleapis.com%%2Fprojects%%2F%s",
		projectID,
	)

	req := &iampb.GetPolicyRequest{
		// Construct the full path of the policy.
		// Its format is: "policies/ATTACHMENT_POINT/denypolicies/POLICY_ID"
		Name: fmt.Sprintf("policies/%s/denypolicies/%s", attachmentPoint, policyID),
	}
	policy, err := policiesClient.GetPolicy(ctx, req)
	if err != nil {
		return fmt.Errorf("unable to get policy: %w", err)
	}

	fmt.Fprintf(w, "Policy %s retrieved\n", policy.GetName())

	return 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.iam.v2.GetPolicyRequest;
import com.google.iam.v2.PoliciesClient;
import com.google.iam.v2.Policy;
import java.io.IOException;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;

public class GetDenyPolicy {

  public static void main(String[] args) throws IOException {
    // TODO(developer): Replace these variables before running the sample.

    // ID or number of the Google Cloud project you want to use.
    String projectId = "your-google-cloud-project-id";

    // Specify the ID of the deny policy you want to retrieve.
    String policyId = "deny-policy-id";

    getDenyPolicy(projectId, policyId);
  }

  // Retrieve the deny policy given the project ID and policy ID.
  public static void getDenyPolicy(String projectId, String policyId) throws IOException {
    // Create the IAM Policies client.
    try (PoliciesClient policiesClient = PoliciesClient.create()) {

      // Each deny policy is attached to an organization, folder, or project.
      // To work with deny policies, specify the attachment point.
      //
      // Its format can be one of the following:
      // 1. cloudresourcemanager.googleapis.com/organizations/ORG_ID
      // 2. cloudresourcemanager.googleapis.com/folders/FOLDER_ID
      // 3. cloudresourcemanager.googleapis.com/projects/PROJECT_ID
      //
      // The attachment point is identified by its URL-encoded resource name.
      String urlEncodedResource =
          URLEncoder.encode(
              "cloudresourcemanager.googleapis.com/projects/", StandardCharsets.UTF_8);
      String attachmentPoint = String.format("%s%s", urlEncodedResource, projectId);

      // Construct the full path of the resource to which the policy is attached.
      // Its format is: "policies/{attachmentPoint}/denypolicies/{policyId}"
      String policyParent = String.format("policies/%s/denypolicies/%s", attachmentPoint, policyId);

      // Specify the policyParent and execute the GetPolicy request.
      GetPolicyRequest getPolicyRequest =
          GetPolicyRequest.newBuilder().setName(policyParent).build();

      Policy policy = policiesClient.getPolicy(getPolicyRequest);
      System.out.printf("Retrieved the deny policy: %s : %s%n", policyId, policy);
    }
  }
}

Node.js

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 Node.js 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。

/**
 * TODO(developer): Uncomment and replace these variables before running the sample.
 */
// const projectId = 'YOUR_PROJECT_ID';
// const policyID = 'YOUR_POLICY_ID';

const {PoliciesClient} = require('@google-cloud/iam').v2;

const iamClient = new PoliciesClient();

// Each deny policy is attached to an organization, folder, or project.
// To work with deny policies, specify the attachment point.
//
// Its format can be one of the following:
// 1. cloudresourcemanager.googleapis.com/organizations/ORG_ID
// 2. cloudresourcemanager.googleapis.com/folders/FOLDER_ID
// 3. cloudresourcemanager.googleapis.com/projects/PROJECT_ID
//
// The attachment point is identified by its URL-encoded resource name. Hence, replace
// the "/" with "%2F".
const attachmentPoint = `cloudresourcemanager.googleapis.com%2Fprojects%2F${projectId}`;

async function getDenyPolicy() {
  const request = {
    name: `policies/${attachmentPoint}/denypolicies/${policyId}`,
  };

  const [policy] = await iamClient.getPolicy(request);

  console.log(`Retrieved the deny policy: ${policy.name}`);
}

getDenyPolicy();

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。

from google.cloud import iam_v2
from google.cloud.iam_v2 import Policy, types

def get_deny_policy(project_id: str, policy_id: str) -> Policy:
    """
    Retrieve the deny policy given the project ID and policy ID.

    project_id: ID or number of the Google Cloud project you want to use.
    policy_id: The ID of the deny policy you want to retrieve.
    """
    policies_client = iam_v2.PoliciesClient()

    # Each deny policy is attached to an organization, folder, or project.
    # To work with deny policies, specify the attachment point.
    #
    # Its format can be one of the following:
    # 1. cloudresourcemanager.googleapis.com/organizations/ORG_ID
    # 2. cloudresourcemanager.googleapis.com/folders/FOLDER_ID
    # 3. cloudresourcemanager.googleapis.com/projects/PROJECT_ID
    #
    # The attachment point is identified by its URL-encoded resource name. Hence, replace
    # the "/" with "%2F".
    attachment_point = f"cloudresourcemanager.googleapis.com%2Fprojects%2F{project_id}"

    request = types.GetPolicyRequest()
    # Construct the full path of the policy.
    # Its format is: "policies/{attachmentPoint}/denypolicies/{policyId}"
    request.name = f"policies/{attachment_point}/denypolicies/{policy_id}"

    # Execute the GetPolicy request.
    policy = policies_client.get_policy(request=request)
    print(f"Retrieved the deny policy: {policy_id} : {policy}")
    return policy

if __name__ == "__main__":
    import uuid

    # Your Google Cloud project ID.
    project_id = "your-google-cloud-project-id"
    # Any unique ID (0 to 63 chars) starting with a lowercase letter.
    policy_id = f"deny-{uuid.uuid4()}"

    policy = get_deny_policy(project_id, policy_id)

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。