List Certificates

List Certificates in the given CA pool.

Explore further

For detailed documentation that includes this code sample, see the following:

• Request a certificate and view issued certificates

Code sample

Go

To authenticate to CA Service, set up Application Default Credentials. For more information, see Set up authentication for a local development environment.

import (
	"context"
	"fmt"
	"io"

	privateca "cloud.google.com/go/security/privateca/apiv1"
	"cloud.google.com/go/security/privateca/apiv1/privatecapb"
	"google.golang.org/api/iterator"
)

// List Certificates present in the given CA pool.
func listCertificates(
	w io.Writer,
	projectId string,
	location string,
	caPoolId string) error {
	// projectId := "your_project_id"
	// location := "us-central1"		// For a list of locations, see: https://cloud.google.com/certificate-authority-service/docs/locations.
	// caPoolId := "ca-pool-id"			// The CA Pool id in which the certificate exists.

	ctx := context.Background()
	caClient, err := privateca.NewCertificateAuthorityClient(ctx)
	if err != nil {
		return fmt.Errorf("NewCertificateAuthorityClient creation failed: %w", err)
	}
	defer caClient.Close()

	fullCaName := fmt.Sprintf("projects/%s/locations/%s/caPools/%s", projectId, location, caPoolId)

	// Create the ListCertificatesRequest.
	// See https://pkg.go.dev/cloud.google.com/go/security/privateca/apiv1/privatecapb#ListCertificatesRequest.
	req := &privatecapb.ListCertificatesRequest{Parent: fullCaName}

	it := caClient.ListCertificates(ctx, req)
	for {
		resp, err := it.Next()
		if err == iterator.Done {
			break
		}
		if err != nil {
			return fmt.Errorf("unable to get the list of cerficates: %w", err)
		}

		fmt.Fprintf(w, " - %s (common name: %s)", resp.Name,
			resp.CertificateDescription.SubjectDescription.Subject.CommonName)
	}

	return nil
}

Java

To authenticate to CA Service, set up Application Default Credentials. For more information, see Set up authentication for a local development environment.

import com.google.cloud.security.privateca.v1.CaPoolName;
import com.google.cloud.security.privateca.v1.Certificate;
import com.google.cloud.security.privateca.v1.CertificateAuthorityServiceClient;
import java.io.IOException;

public class ListCertificates {

  public static void main(String[] args) throws IOException {
    // TODO(developer): Replace these variables before running the sample.
    // location: For a list of locations, see:
    // https://cloud.google.com/certificate-authority-service/docs/locations
    // poolId: Id of the CA pool which contains the certificates to be listed.
    String project = "your-project-id";
    String location = "ca-location";
    String poolId = "ca-pool-id";
    listCertificates(project, location, poolId);
  }

  // List Certificates present in the given CA pool.
  public static void listCertificates(String project, String location, String poolId)
      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 `certificateAuthorityServiceClient.close()` method on the client to safely
    // clean up any remaining background resources.
    try (CertificateAuthorityServiceClient certificateAuthorityServiceClient =
        CertificateAuthorityServiceClient.create()) {

      CaPoolName caPool =
          CaPoolName.newBuilder()
              .setProject(project)
              .setLocation(location)
              .setCaPool(poolId)
              .build();

      // Retrieve and print the certificate names.
      System.out.println("Available certificates: ");
      for (Certificate certificate :
          certificateAuthorityServiceClient.listCertificates(caPool).iterateAll()) {
        System.out.println(certificate.getName());
      }
    }
  }
}

Python

To authenticate to CA Service, set up Application Default Credentials. For more information, see Set up authentication for a local development environment.

import google.cloud.security.privateca_v1 as privateca_v1


def list_certificates(
    project_id: str,
    location: str,
    ca_pool_name: str,
) -> None:
    """
    List Certificates present in the given CA pool.

    Args:
        project_id: project ID or project number of the Cloud project you want to use.
        location: location you want to use. For a list of locations, see: https://cloud.google.com/certificate-authority-service/docs/locations.
        ca_pool_name: name of the CA pool which contains the certificates to be listed.
    """

    caServiceClient = privateca_v1.CertificateAuthorityServiceClient()

    ca_pool_path = caServiceClient.ca_pool_path(project_id, location, ca_pool_name)

    # Retrieve and print the certificate names.
    print(f"Available certificates in CA pool {ca_pool_name}:")
    for certificate in caServiceClient.list_certificates(parent=ca_pool_path):
        print(certificate.name)

What's next

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