监控过期的证书授权机构

创建监控政策，让系统在代管式 CA 到期前 30 天发出通知。

代码示例

Java

如需向 CA Service 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.monitoring.v3.AlertPolicyServiceClient;
import com.google.cloud.monitoring.v3.NotificationChannelServiceClient;
import com.google.monitoring.v3.AlertPolicy;
import com.google.monitoring.v3.AlertPolicy.Condition;
import com.google.monitoring.v3.AlertPolicy.Condition.MonitoringQueryLanguageCondition;
import com.google.monitoring.v3.AlertPolicy.ConditionCombinerType;
import com.google.monitoring.v3.NotificationChannel;
import com.google.monitoring.v3.ProjectName;
import java.io.IOException;

public class MonitorCertificateAuthority {

  public static final String POLICY_NAME = "policy-name";

  public static void main(String[] args) throws IOException {
    // TODO(developer): Replace these variables before running the sample.
    String project = "your-project-id";
    createCaMonitoringPolicy(project);
  }

  // Creates a monitoring policy that notifies you 30 days before a managed CA expires.
  public static String createCaMonitoringPolicy(String project) throws IOException {
    /* Initialize client that will be used to send requests. This client only needs to be created
    once, and can be reused for multiple requests. After completing all of your requests, call
    the `client.close()` method on the client to safely
    clean up any remaining background resources. */
    try (AlertPolicyServiceClient client = AlertPolicyServiceClient.create();
        NotificationChannelServiceClient notificationClient =
            NotificationChannelServiceClient.create()) {

      /* Query which indicates the resource to monitor and the constraints.
      Here, the alert policy notifies you 30 days before a managed CA expires.
      For more info on creating queries, see: https://cloud.google.com/monitoring/mql/alerts */
      String query =
          "fetch privateca.googleapis.com/CertificateAuthority"
              + "| metric 'privateca.googleapis.com/ca/cert_chain_expiration'"
              + "| group_by 5m,"
              + "[value_cert_chain_expiration_mean: mean(value.cert_chain_expiration)]"
              + "| every 5m"
              + "| condition val() < 2.592e+06 's'";

      // Create a notification channel.
      NotificationChannel notificationChannel =
          NotificationChannel.newBuilder()
              .setType("email")
              .putLabels("email_address", "[e-mail]")
              .build();
      NotificationChannel channel =
          notificationClient.createNotificationChannel(
              ProjectName.of(project), notificationChannel);

      // Set the query and notification channel.
      AlertPolicy alertPolicy =
          AlertPolicy.newBuilder()
              .setDisplayName(POLICY_NAME)
              .addConditions(
                  Condition.newBuilder()
                      .setDisplayName("ca-cert-chain-expiration")
                      .setConditionMonitoringQueryLanguage(
                          MonitoringQueryLanguageCondition.newBuilder().setQuery(query).build())
                      .build())
              .setCombiner(ConditionCombinerType.AND)
              .addNotificationChannels(channel.getName())
              .build();

      AlertPolicy policy = client.createAlertPolicy(ProjectName.of(project), alertPolicy);

      System.out.println("Monitoring policy successfully created !" + policy.getName());
      return policy.getName();
    }
  }
}

Python

如需向 CA Service 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 google.cloud.monitoring_v3 as monitoring_v3

def create_ca_monitor_policy(project_id: str) -> None:
    """
    Create a monitoring policy that notifies you 30 days before a managed CA expires.

    Args:
        project_id: project ID or project number of the Cloud project you want to use.
    """

    alertPolicyServiceClient = monitoring_v3.AlertPolicyServiceClient()
    notificationChannelServiceClient = monitoring_v3.NotificationChannelServiceClient()

    # Query which indicates the resource to monitor and the constraints.
    # Here, the alert policy notifies you 30 days before a managed CA expires.
    # For more information on creating queries, see: https://cloud.google.com/monitoring/mql/alerts
    query = (
        "fetch privateca.googleapis.com/CertificateAuthority"
        "| metric 'privateca.googleapis.com/ca/cert_chain_expiration'"
        "| group_by 5m,"
        "[value_cert_chain_expiration_mean: mean(value.cert_chain_expiration)]"
        "| every 5m"
        "| condition val() < 2.592e+06 's'"
    )

    # Create a notification channel.
    notification_channel = monitoring_v3.NotificationChannel(
        type_="email",
        labels={"email_address": "[e-mail]"},
    )
    channel = notificationChannelServiceClient.create_notification_channel(
        name=notificationChannelServiceClient.common_project_path(project_id),
        notification_channel=notification_channel,
    )

    # Set the query and notification channel.
    alert_policy = monitoring_v3.AlertPolicy(
        display_name="policy-name",
        conditions=[
            monitoring_v3.AlertPolicy.Condition(
                display_name="ca-cert-chain-expiration",
                condition_monitoring_query_language=monitoring_v3.AlertPolicy.Condition.MonitoringQueryLanguageCondition(
                    query=query,
                ),
            )
        ],
        combiner=monitoring_v3.AlertPolicy.ConditionCombinerType.AND,
        notification_channels=[channel.name],
    )

    policy = alertPolicyServiceClient.create_alert_policy(
        name=notificationChannelServiceClient.common_project_path(project_id),
        alert_policy=alert_policy,
    )

    print("Monitoring policy successfully created!", policy.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。