Monitorizar las autoridades de certificación que van a caducar

Crea una política de monitorización que envíe una notificación 30 días antes de que caduque una CA gestionada.

Código de ejemplo

Java

Para autenticarte en el servicio de AC, configura las credenciales predeterminadas de la aplicación. Para obtener más información, consulta el artículo Configurar la autenticación en un entorno de desarrollo local.

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

Para autenticarte en el servicio de AC, configura las credenciales predeterminadas de la aplicación. Para obtener más información, consulta el artículo Configurar la autenticación en un entorno de desarrollo local.

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)

Siguientes pasos

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