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Répertorier les clusters

Répertorier tous les noms de cluster dans une instance.

Exemple de code

C++

Pour savoir comment installer et utiliser la bibliothèque cliente pour Bigtable, consultez la section Bibliothèques clientes Bigtable.

Pour vous authentifier auprès de Bigtable, configurez les identifiants par défaut de l'application. Pour en savoir plus, consultez Configurer l'authentification pour un environnement de développement local.

namespace cbt = ::google::cloud::bigtable;
namespace cbta = ::google::cloud::bigtable_admin;
using ::google::cloud::StatusOr;
[](cbta::BigtableInstanceAdminClient instance_admin,
   std::string const& project_id, std::string const& instance_id) {
  std::string instance_name = cbt::InstanceName(project_id, instance_id);
  StatusOr<google::bigtable::admin::v2::ListClustersResponse> clusters =
      instance_admin.ListClusters(instance_name);
  if (!clusters) throw std::move(clusters).status();
  std::cout << "Cluster Name List\n";
  for (auto const& cluster : clusters->clusters()) {
    std::cout << "Cluster Name:" << cluster.name() << "\n";
  }
  if (!clusters->failed_locations().empty()) {
    std::cout << "The Cloud Bigtable service reports that the following "
                 "locations are temporarily unavailable and no information "
                 "about clusters in these locations can be obtained:\n";
    for (auto const& failed_location : clusters->failed_locations()) {
      std::cout << failed_location << "\n";
    }
  }
}
namespace cbt = ::google::cloud::bigtable;
namespace cbta = ::google::cloud::bigtable_admin;
using ::google::cloud::StatusOr;
[](cbta::BigtableInstanceAdminClient instance_admin,
   std::string const& project_id) {
  std::string instance_name = cbt::InstanceName(project_id, "-");
  StatusOr<google::bigtable::admin::v2::ListClustersResponse> clusters =
      instance_admin.ListClusters(instance_name);
  if (!clusters) throw std::move(clusters).status();
  std::cout << "Cluster Name List\n";
  for (auto const& cluster : clusters->clusters()) {
    std::cout << "Cluster Name:" << cluster.name() << "\n";
  }
  if (!clusters->failed_locations().empty()) {
    std::cout << "The Cloud Bigtable service reports that the following "
                 "locations are temporarily unavailable and no information "
                 "about clusters in these locations can be obtained:\n";
    for (auto const& failed_location : clusters->failed_locations()) {
      std::cout << failed_location << "\n";
    }
  }
}

Java

Pour savoir comment installer et utiliser la bibliothèque cliente pour Bigtable, consultez la section Bibliothèques clientes Bigtable.

try {
  List<Cluster> clusters = adminClient.listClusters(instanceId);
  for (Cluster cluster : clusters) {
    System.out.println(cluster.getId());
  }
} catch (NotFoundException e) {
  System.err.println("Failed to list clusters from a non-existent instance: " + e.getMessage());
}

Node.js

Pour savoir comment installer et utiliser la bibliothèque cliente pour Bigtable, consultez Bibliothèques clientes Bigtable.

const instance3 = bigtable.instance(instanceID);
const [clusters] = await instance3.getClusters();
clusters.forEach(cluster => {
  console.log(cluster.id);
});

PHP

Pour savoir comment installer et utiliser la bibliothèque cliente pour Bigtable, consultez Bibliothèques clientes Bigtable.

use Google\Cloud\Bigtable\Admin\V2\Client\BigtableInstanceAdminClient;
use Google\Cloud\Bigtable\Admin\V2\ListClustersRequest;

/**
 * List clusters of an instance
 *
 * @param string $projectId The Google Cloud project ID
 * @param string $instanceId The ID of the Bigtable instance
 */
function list_instance_clusters(
    string $projectId,
    string $instanceId
): void {
    $instanceAdminClient = new BigtableInstanceAdminClient();

    $projectName = $instanceAdminClient->projectName($projectId);
    $instanceName = $instanceAdminClient->instanceName($projectId, $instanceId);

    printf('Listing Clusters:' . PHP_EOL);
    $listClustersRequest = (new ListClustersRequest())
        ->setParent($instanceName);
    $getClusters = $instanceAdminClient->listClusters($listClustersRequest)->getClusters();
    $clusters = $getClusters->getIterator();

    foreach ($clusters as $cluster) {
        print($cluster->getName() . PHP_EOL);
    }
}

Python

Pour savoir comment installer et utiliser la bibliothèque cliente pour Bigtable, consultez Bibliothèques clientes Bigtable.

print("\nListing clusters...")
for cluster in instance.list_clusters()[0]:
    print(cluster.cluster_id)

Ruby

Pour savoir comment installer et utiliser la bibliothèque cliente pour Bigtable, consultez Bibliothèques clientes Bigtable.

# instance_id = "my-instance"
bigtable.instance(instance_id).clusters.all do |cluster|
  puts "Cluster: #{cluster.cluster_id}"
end

Étapes suivantes

Pour rechercher et filtrer des exemples de code pour d'autres produits Google Cloud, consultez l'explorateur d'exemples Google Cloud.