Membuat AppProfile

Buat AppProfile.

Contoh kode

C++PHP

Untuk mempelajari cara menginstal dan menggunakan library klien untuk Bigtable, lihat Library klien Bigtable.

Untuk melakukan autentikasi ke Bigtable, siapkan Kredensial Default Aplikasi. Untuk mengetahui informasi selengkapnya, lihat Menyiapkan autentikasi untuk lingkungan pengembangan lokal.

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 const& profile_id) {
  std::string instance_name = cbt::InstanceName(project_id, instance_id);

  google::bigtable::admin::v2::AppProfile ap;
  ap.mutable_multi_cluster_routing_use_any()->Clear();

  StatusOr<google::bigtable::admin::v2::AppProfile> profile =
      instance_admin.CreateAppProfile(instance_name, profile_id,
                                      std::move(ap));
  if (!profile) throw std::move(profile).status();
  std::cout << "New profile created with name=" << profile->name() << "\n";
}

Untuk mempelajari cara menginstal dan menggunakan library klien untuk Bigtable, lihat Library klien Bigtable.

Untuk melakukan autentikasi ke Bigtable, siapkan Kredensial Default Aplikasi. Untuk mengetahui informasi selengkapnya, lihat Menyiapkan autentikasi untuk lingkungan pengembangan lokal.

use Google\ApiCore\ApiException;
use Google\Cloud\Bigtable\Admin\V2\AppProfile;
use Google\Cloud\Bigtable\Admin\V2\AppProfile\SingleClusterRouting;
use Google\Cloud\Bigtable\Admin\V2\Client\BigtableInstanceAdminClient;
use Google\Cloud\Bigtable\Admin\V2\CreateAppProfileRequest;

/**
 * Create an App Profile
 *
 * @param string $projectId The Google Cloud project ID
 * @param string $instanceId The ID of the Bigtable instance
 * @param string $clusterId The ID of the cluster where the new App Profile will route it's requests(in case of single cluster routing)
 * @param string $appProfileId The ID of the App Profile to create
 */
function create_app_profile(
    string $projectId,
    string $instanceId,
    string $clusterId,
    string $appProfileId
): void {
    $instanceAdminClient = new BigtableInstanceAdminClient();
    $instanceName = $instanceAdminClient->instanceName($projectId, $instanceId);

    $appProfile = new AppProfile([
        'name' => $appProfileId,
        'description' => 'Description for this newly created AppProfile'
    ]);

    // create a new routing policy
    // allow_transactional_writes refers to Single-Row-Transactions(https://cloud.google.com/bigtable/docs/app-profiles#single-row-transactions)
    $routingPolicy = new SingleClusterRouting([
        'cluster_id' => $clusterId,
        'allow_transactional_writes' => false
    ]);

    // set the newly created routing policy to our app profile
    $appProfile->setSingleClusterRouting($routingPolicy);

    // we could also create a multi cluster routing policy like so:
    // $routingPolicy = new \Google\Cloud\Bigtable\Admin\V2\AppProfile\MultiClusterRoutingUseAny();
    // $appProfile->setMultiClusterRoutingUseAny($routingPolicy);

    printf('Creating a new AppProfile %s' . PHP_EOL, $appProfileId);

    try {
        $createAppProfileRequest = (new CreateAppProfileRequest())
            ->setParent($instanceName)
            ->setAppProfileId($appProfileId)
            ->setAppProfile($appProfile);
        $newAppProfile = $instanceAdminClient->createAppProfile($createAppProfileRequest);
    } catch (ApiException $e) {
        if ($e->getStatus() === 'ALREADY_EXISTS') {
            printf('AppProfile %s already exists.', $appProfileId);
            return;
        }
        throw $e;
    }

    printf('AppProfile created: %s', $newAppProfile->getName());
}

Langkah berikutnya

Untuk menelusuri dan memfilter contoh kode untuk produk Google Cloud lainnya, lihat Google Cloud browser contoh.