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如需包含這個程式碼範例的詳細說明文件，請參閱下列內容：

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程式碼範例

Go

如要瞭解如何安裝及使用 IAM 的用戶端程式庫，請參閱 IAM 用戶端程式庫。詳情請參閱 IAM Go API 參考說明文件。

如要向 IAM 進行驗證，請設定應用程式預設憑證。詳情請參閱「為本機開發環境設定驗證」。

import (
	"context"
	"fmt"
	"io"

	iam "cloud.google.com/go/iam/apiv2"

	"cloud.google.com/go/iam/apiv2/iampb"
)

// deleteDenyPolicy deletes the policy if you no longer want to enforce the rules in a deny policy.
func deleteDenyPolicy(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.DeletePolicyRequest{
		// 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),
	}
	op, err := policiesClient.DeletePolicy(ctx, req)
	if err != nil {
		return fmt.Errorf("unable to delete policy: %w", err)
	}

	policy, err := op.Wait(ctx)
	if err != nil {
		return fmt.Errorf("unable to wait for the operation: %w", err)
	}

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

	return nil
}

Java

如要瞭解如何安裝及使用 IAM 的用戶端程式庫，請參閱 IAM 用戶端程式庫。詳情請參閱 IAM Java API 參考說明文件。

如要向 IAM 進行驗證，請設定應用程式預設憑證。詳情請參閱「為本機開發環境設定驗證」。


import com.google.iam.v2.DeletePolicyRequest;
import com.google.iam.v2.PoliciesClient;
import com.google.longrunning.Operation;
import java.io.IOException;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;

public class DeleteDenyPolicy {

  public static void main(String[] args)
      throws IOException, InterruptedException, ExecutionException, TimeoutException {
    // 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";

    deleteDenyPolicy(projectId, policyId);
  }

  // Delete the policy if you no longer want to enforce the rules in a deny policy.
  public static void deleteDenyPolicy(String projectId, String policyId)
      throws IOException, InterruptedException, ExecutionException, TimeoutException {
    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);

      // Create the DeletePolicy request.
      DeletePolicyRequest deletePolicyRequest =
          DeletePolicyRequest.newBuilder().setName(policyParent).build();

      // Delete the policy and wait for the operation to complete.
      Operation operation =
          policiesClient
              .deletePolicyCallable()
              .futureCall(deletePolicyRequest)
              .get(3, TimeUnit.MINUTES);

      if (operation.hasError()) {
        System.out.println("Error in deleting the policy " + operation.getError());
        return;
      }

      System.out.println("Deleted the deny policy: " + policyId);
    }
  }
}

Node.js

如要瞭解如何安裝及使用 IAM 的用戶端程式庫，請參閱 IAM 用戶端程式庫。詳情請參閱 IAM Node.js API 參考說明文件。

如要向 IAM 進行驗證，請設定應用程式預設憑證。詳情請參閱「為本機開發環境設定驗證」。

/**
 * 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 deleteDenyPolicy() {
  const request = {
    name: `policies/${attachmentPoint}/denypolicies/${policyId}`,
  };

  const [operation] = await iamClient.deletePolicy(request);
  const [policy] = await operation.promise();

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

deleteDenyPolicy();

Python

如要瞭解如何安裝及使用 IAM 的用戶端程式庫，請參閱 IAM 用戶端程式庫。詳情請參閱 IAM Python API 參考說明文件。

如要向 IAM 進行驗證，請設定應用程式預設憑證。詳情請參閱「為本機開發環境設定驗證」。

def delete_deny_policy(project_id: str, policy_id: str) -> None:
    """Delete the policy if you no longer want to enforce the rules in a deny policy.

    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.
    """

    from google.cloud import iam_v2
    from google.cloud.iam_v2 import types

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

    # Create the DeletePolicy request.
    result = policies_client.delete_policy(request=request).result()
    print(f"Deleted the deny policy: {result.name.rsplit('/')[-1]}")


if __name__ == "__main__":
    import uuid

    # Your Google Cloud project ID.
    PROJECT_ID = os.getenv("GOOGLE_CLOUD_PROJECT", "your-google-cloud-project-id")

    # Any unique ID (0 to 63 chars) starting with a lowercase letter.
    policy_id = f"deny-{uuid.uuid4()}"

    delete_deny_policy(PROJECT_ID, policy_id)

後續步驟

如要搜尋及篩選其他 Google Cloud 產品的程式碼範例，請參閱Google Cloud 範例瀏覽器。

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深入探索

程式碼範例

Go

Java

Node.js

Python

後續步驟

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