Promouvoir un cluster

Cet extrait montre comment promouvoir un cluster secondaire pour en faire le nouveau cluster principal. Cette action est utile pour les basculements planifiés ou la reprise après sinistre.

Exemple de code

C#

Pour vous authentifier auprès d'AlloyDB, configurez le service Identifiants par défaut de l'application. Pour en savoir plus, consultez Configurer l'authentification pour un environnement de développement local.

using Google.Cloud.AlloyDb.V1;
using Google.LongRunning;

public sealed partial class GeneratedAlloyDBAdminClientSnippets
{
    /// <summary>Snippet for PromoteCluster</summary>
    /// <remarks>
    /// This snippet has been automatically generated and should be regarded as a code template only.
    /// It will require modifications to work:
    /// - It may require correct/in-range values for request initialization.
    /// - It may require specifying regional endpoints when creating the service client as shown in
    ///   https://cloud.google.com/dotnet/docs/reference/help/client-configuration#endpoint.
    /// </remarks>
    public void PromoteCluster()
    {
        // Create client
        AlloyDBAdminClient alloyDBAdminClient = AlloyDBAdminClient.Create();
        // Initialize request argument(s)
        string name = "projects/[PROJECT]/locations/[LOCATION]/clusters/[CLUSTER]";
        // Make the request
        Operation<Cluster, OperationMetadata> response = alloyDBAdminClient.PromoteCluster(name);

        // Poll until the returned long-running operation is complete
        Operation<Cluster, OperationMetadata> completedResponse = response.PollUntilCompleted();
        // Retrieve the operation result
        Cluster result = completedResponse.Result;

        // Or get the name of the operation
        string operationName = response.Name;
        // This name can be stored, then the long-running operation retrieved later by name
        Operation<Cluster, OperationMetadata> retrievedResponse = alloyDBAdminClient.PollOncePromoteCluster(operationName);
        // Check if the retrieved long-running operation has completed
        if (retrievedResponse.IsCompleted)
        {
            // If it has completed, then access the result
            Cluster retrievedResult = retrievedResponse.Result;
        }
    }
}

Étape suivante

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