删除自定义指标

演示如何删除自定义指标。

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：

• 通过 API 创建用户定义的指标

代码示例

C#

如需向 Monitoring 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。

public static object DeleteMetric(string projectId, string metricType)
{
    // Create client.
    MetricServiceClient metricServiceClient = MetricServiceClient.Create();
    // Initialize request argument(s).
    MetricDescriptorName name = new MetricDescriptorName(projectId, metricType);
    // Make the request.
    metricServiceClient.DeleteMetricDescriptor(name);
    Console.WriteLine($"Done deleting metric descriptor: {name}");
    return 0;
}

Go

如需向 Monitoring 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"

	monitoring "cloud.google.com/go/monitoring/apiv3"
	"cloud.google.com/go/monitoring/apiv3/v2/monitoringpb"
)

// deleteMetric deletes the given metric. name should be of the form
// "projects/PROJECT_ID/metricDescriptors/METRIC_TYPE".
func deleteMetric(w io.Writer, name string) error {
	ctx := context.Background()
	c, err := monitoring.NewMetricClient(ctx)
	if err != nil {
		return err
	}
	defer c.Close()
	req := &monitoringpb.DeleteMetricDescriptorRequest{
		Name: name,
	}

	if err := c.DeleteMetricDescriptor(ctx, req); err != nil {
		return fmt.Errorf("could not delete metric: %w", err)
	}
	fmt.Fprintf(w, "Deleted metric: %q\n", name)
	return nil
}

Java

如需向 Monitoring 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。

final String projectId = System.getProperty("projectId");
try (final MetricServiceClient client = MetricServiceClient.create();) {
  MetricDescriptorName metricName = MetricDescriptorName.of(projectId, type);
  client.deleteMetricDescriptor(metricName);
  System.out.println("Deleted descriptor " + type);
}

Node.js

如需向 Monitoring 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。

// Imports the Google Cloud client library
const monitoring = require('@google-cloud/monitoring');

// Creates a client
const client = new monitoring.MetricServiceClient();

async function deleteMetricDescriptor() {
  /**
   * TODO(developer): Uncomment and edit the following lines of code.
   */
  // const projectId = 'YOUR_PROJECT_ID';
  // const metricId = 'custom.googleapis.com/stores/daily_sales';

  const request = {
    name: client.projectMetricDescriptorPath(projectId, metricId),
  };

  // Deletes a metric descriptor
  const [result] = await client.deleteMetricDescriptor(request);
  console.log(`Deleted ${metricId}`, result);
}
deleteMetricDescriptor();

PHP

如需向 Monitoring 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。

use Google\Cloud\Monitoring\V3\Client\MetricServiceClient;
use Google\Cloud\Monitoring\V3\DeleteMetricDescriptorRequest;

/**
 * Example:
 * ```
 * delete_metric($projectId, $databaseId);
 * ```
 *
 * @param string $projectId Your project ID
 * @param string $metricId  The ID of the Metric Descriptor to delete
 */
function delete_metric($projectId, $metricId)
{
    $metrics = new MetricServiceClient([
        'projectId' => $projectId,
    ]);

    $metricPath = $metrics->metricDescriptorName($projectId, $metricId);
    $deleteMetricDescriptorRequest = (new DeleteMetricDescriptorRequest())
        ->setName($metricPath);
    $metrics->deleteMetricDescriptor($deleteMetricDescriptorRequest);

    printf('Deleted a metric: ' . $metricPath . PHP_EOL);
}

Python

如需向 Monitoring 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 monitoring_v3

client = monitoring_v3.MetricServiceClient()
client.delete_metric_descriptor(name=descriptor_name)
print("Deleted metric descriptor {}.".format(descriptor_name))

Ruby

如需向 Monitoring 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。

# Your Google Cloud Platform project ID
# project_id = "YOUR_PROJECT_ID"

# Example metric type
# metric_type = "custom.googleapis.com/my_metric"

client = Google::Cloud::Monitoring.metric_service
metric_name = client.metric_descriptor_path project:           project_id,
                                            metric_descriptor: metric_type

client.delete_metric_descriptor name: metric_name
p "Deleted metric descriptor #{metric_name}."

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。