Creare e gestire le partizioni

void CreateInstancePartition(
    google::cloud::spanner_admin::InstanceAdminClient client,
    std::string const& project_id, std::string const& instance_id,
    std::string const& instance_partition_id) {
  auto project = google::cloud::Project(project_id);
  auto in = google::cloud::spanner::Instance(project_id, instance_id);
  auto config = project.FullName()   "/instanceConfigs/nam3";

  google::spanner::admin::instance::v1::CreateInstancePartitionRequest request;
  request.set_parent(in.FullName());
  request.set_instance_partition_id(instance_partition_id);
  request.mutable_instance_partition()->set_display_name(
      "Test instance partition");
  request.mutable_instance_partition()->set_node_count(1);
  request.mutable_instance_partition()->set_config(config);

  auto instance_partition = client.CreateInstancePartition(request).get();
  if (!instance_partition) throw std::move(instance_partition).status();
  std::cout << "Created instance partition [" << instance_partition_id << "]:\n"
            << instance_partition->DebugString();
}

using Google.Cloud.Spanner.Admin.Instance.V1;
using Google.Cloud.Spanner.Common.V1;
using Google.LongRunning;
using System;

public class CreateInstancePartitionSample
{
    public InstancePartition CreateInstancePartition(string projectId, string instanceId, string instancePartitionId)
    {
        // Create the InstanceAdminClient instance.
        InstanceAdminClient instanceAdminClient = InstanceAdminClient.Create();

        // Initialize request parameters.
        InstancePartition partition = new InstancePartition
        {
            DisplayName = "This is a display name.",
            NodeCount = 1,
            ConfigAsInstanceConfigName = InstanceConfigName.FromProjectInstanceConfig(projectId, "nam3"),
        };
        InstanceName instanceName = InstanceName.FromProjectInstance(projectId, instanceId);

        // Make the CreateInstancePartition request.
        Operation<InstancePartition, CreateInstancePartitionMetadata> response = instanceAdminClient.CreateInstancePartition(instanceName, partition, instancePartitionId);

        Console.WriteLine("Waiting for the operation to finish.");

        // Poll until the returned long-running operation is complete.
        Operation<InstancePartition, CreateInstancePartitionMetadata> completedResponse = response.PollUntilCompleted();

        if (completedResponse.IsFaulted)
        {
            Console.WriteLine($"Error while creating instance partition: {completedResponse.Exception}");
            throw completedResponse.Exception;
        }

        Console.WriteLine($"Instance created successfully.");

        return completedResponse.Result;
    }
}

import (
	"context"
	"fmt"
	"io"

	instance "cloud.google.com/go/spanner/admin/instance/apiv1"
	"cloud.google.com/go/spanner/admin/instance/apiv1/instancepb"
)

// Example of creating an instance partition with Go.
// projectID is the ID of the project that the new instance partition will be in.
// instanceID is the ID of the instance that the new instance partition will be in.
// instancePartitionID is the ID of the new instance partition to be created.
func createInstancePartition(w io.Writer, projectID, instanceID, instancePartitionID string) error {
	// projectID := "my-project-id"
	// instanceID := "my-instance"
	// instancePartitionID := "my-instance-partition"
	ctx := context.Background()
	instanceAdmin, err := instance.NewInstanceAdminClient(ctx)
	if err != nil {
		return err
	}
	defer instanceAdmin.Close()

	op, err := instanceAdmin.CreateInstancePartition(ctx, &instancepb.CreateInstancePartitionRequest{
		Parent:              fmt.Sprintf("projects/%s/instances/%s", projectID, instanceID),
		InstancePartitionId: instancePartitionID,
		InstancePartition: &instancepb.InstancePartition{
			Config:          fmt.Sprintf("projects/%s/instanceConfigs/%s", projectID, "nam3"),
			DisplayName:     "my-instance-partition",
			ComputeCapacity: &instancepb.InstancePartition_NodeCount{NodeCount: 1},
		},
	})
	if err != nil {
		return fmt.Errorf("could not create instance partition %s: %w", fmt.Sprintf("projects/%s/instances/%s/instancePartitions/%s", projectID, instanceID, instancePartitionID), err)
	}
	// Wait for the instance partition creation to finish.
	i, err := op.Wait(ctx)
	if err != nil {
		return fmt.Errorf("waiting for instance partition creation to finish failed: %w", err)
	}
	// The instance partition may not be ready to serve yet.
	if i.State != instancepb.InstancePartition_READY {
		fmt.Fprintf(w, "instance partition state is not READY yet. Got state %v\n", i.State)
	}
	fmt.Fprintf(w, "Created instance partition [%s]\n", instancePartitionID)
	return nil
}

import com.google.cloud.spanner.Spanner;
import com.google.cloud.spanner.SpannerOptions;
import com.google.cloud.spanner.admin.instance.v1.InstanceAdminClient;
import com.google.spanner.admin.instance.v1.CreateInstancePartitionRequest;
import com.google.spanner.admin.instance.v1.InstanceConfigName;
import com.google.spanner.admin.instance.v1.InstanceName;
import com.google.spanner.admin.instance.v1.InstancePartition;
import java.util.concurrent.ExecutionException;

class CreateInstancePartitionSample {

  static void createInstancePartition() {
    // TODO(developer): Replace these variables before running the sample.
    String projectId = "my-project";
    String instanceId = "my-instance";
    String instancePartitionId = "my-instance-partition";
    createInstancePartition(projectId, instanceId, instancePartitionId);
  }

  static void createInstancePartition(
      String projectId, String instanceId, String instancePartitionId) {
    // Set instance partition configuration.
    int nodeCount = 1;
    String displayName = "Descriptive name";

    // Create an InstancePartition object that will be used to create the instance partition.
    InstancePartition instancePartition =
        InstancePartition.newBuilder()
            .setDisplayName(displayName)
            .setNodeCount(nodeCount)
            .setConfig(InstanceConfigName.of(projectId, "nam3").toString())
            .build();

    try (Spanner spanner =
            SpannerOptions.newBuilder().setProjectId(projectId).build().getService();
        InstanceAdminClient instanceAdminClient = spanner.createInstanceAdminClient()) {

      // Wait for the createInstancePartition operation to finish.
      InstancePartition createdInstancePartition =
          instanceAdminClient
              .createInstancePartitionAsync(
                  CreateInstancePartitionRequest.newBuilder()
                      .setParent(InstanceName.of(projectId, instanceId).toString())
                      .setInstancePartitionId(instancePartitionId)
                      .setInstancePartition(instancePartition)
                      .build())
              .get();
      System.out.printf(
          "Instance partition %s was successfully created%n", createdInstancePartition.getName());
    } catch (ExecutionException e) {
      System.out.printf(
          "Error: Creating instance partition %s failed with error message %s%n",
          instancePartition.getName(), e.getMessage());
    } catch (InterruptedException e) {
      System.out.println(
          "Error: Waiting for createInstancePartition operation to finish was interrupted");
    }
  }
}

// Imports the Google Cloud client library
const {Spanner} = require('@google-cloud/spanner');

/**
 * TODO(developer): Uncomment the following lines before running the sample.
 */
// const projectId = 'my-project-id';
// const instanceId = 'my-instance';
// const instancePartitionId = 'my-instance-partition';

// Creates a client
const spanner = new Spanner({
  projectId: projectId,
});

// Get the instance admin client
const instanceAdminClient = spanner.getInstanceAdminClient();

// Creates a new instance partition
try {
  console.log(
    `Creating instance partition ${instanceAdminClient.instancePartitionPath(
      projectId,
      instanceId,
      instancePartitionId
    )}.`
  );
  const [operation] = await instanceAdminClient.createInstancePartition({
    instancePartitionId: instancePartitionId,
    parent: instanceAdminClient.instancePath(projectId, instanceId),
    instancePartition: {
      config: instanceAdminClient.instanceConfigPath(projectId, 'nam3'),
      nodeCount: 1,
      displayName: 'Test instance partition',
    },
  });

  console.log(
    `Waiting for operation on ${instancePartitionId} to complete...`
  );
  await operation.promise();

  console.log(`Created instance partition ${instancePartitionId}.`);
} catch (err) {
  console.error('ERROR:', err);
}

use Google\Cloud\Spanner\Admin\Instance\V1\Client\InstanceAdminClient;
use Google\Cloud\Spanner\Admin\Instance\V1\CreateInstancePartitionRequest;
use Google\Cloud\Spanner\Admin\Instance\V1\InstancePartition;

/**
 * Creates an instance partition.
 * Example:
 * ```
 * create_instance_partition($projectId, $instanceId, $instancePartitionId);
 * ```
 *
 * @param string $projectId The Google Cloud project ID.
 * @param string $instanceId The Spanner instance ID.
 * @param string $instancePartitionId The instance partition ID.
 */
function create_instance_partition(string $projectId, string $instanceId, string $instancePartitionId): void
{
    $instanceAdminClient = new InstanceAdminClient();

    $instanceName = $instanceAdminClient->instanceName($projectId, $instanceId);
    $instancePartitionName = $instanceAdminClient->instancePartitionName($projectId, $instanceId, $instancePartitionId);
    $configName = $instanceAdminClient->instanceConfigName($projectId, 'nam3');

    $instancePartition = (new InstancePartition())
        ->setConfig($configName)
        ->setDisplayName('Test instance partition.')
        ->setNodeCount(1);

    $operation = $instanceAdminClient->createInstancePartition(
        (new CreateInstancePartitionRequest())
        ->setParent($instanceName)
        ->setInstancePartitionId($instancePartitionId)
        ->setInstancePartition($instancePartition)
    );

    print('Waiting for operation to complete...' . PHP_EOL);
    $operation->pollUntilComplete();

    printf('Created instance partition %s' . PHP_EOL, $instancePartitionId);
}

def create_instance_partition(instance_id, instance_partition_id):
    """Creates an instance partition."""
    from google.cloud.spanner_admin_instance_v1.types import \
        spanner_instance_admin

    spanner_client = spanner.Client()
    instance_admin_api = spanner_client.instance_admin_api

    config_name = "{}/instanceConfigs/nam3".format(spanner_client.project_name)

    operation = spanner_client.instance_admin_api.create_instance_partition(
        parent=instance_admin_api.instance_path(spanner_client.project, instance_id),
        instance_partition_id=instance_partition_id,
        instance_partition=spanner_instance_admin.InstancePartition(
            config=config_name,
            display_name="Test instance partition",
            node_count=1,
        ),
    )

    print("Waiting for operation to complete...")
    operation.result(OPERATION_TIMEOUT_SECONDS)

    print("Created instance partition {}".format(instance_partition_id))