Membuat dan mengelola instance

void CreateInstance(google::cloud::spanner_admin::InstanceAdminClient client,
                    std::string const& project_id,
                    std::string const& instance_id,
                    std::string const& display_name,
                    std::string const& config_id) {
  namespace spanner = ::google::cloud::spanner;
  spanner::Instance in(project_id, instance_id);

  auto project = google::cloud::Project(project_id);
  std::string config_name =
      project.FullName() + "/instanceConfigs/" + config_id;
  auto instance =
      client
          .CreateInstance(spanner::CreateInstanceRequestBuilder(in, config_name)
                              .SetDisplayName(display_name)
                              .SetNodeCount(1)
                              .SetLabels({{"cloud_spanner_samples", "true"}})
                              .Build())
          .get();
  if (!instance) throw std::move(instance).status();
  std::cout << "Created instance [" << in << "]:\n" << instance->DebugString();
}

using Google.Api.Gax.ResourceNames;
using Google.Cloud.Spanner.Admin.Instance.V1;
using Google.Cloud.Spanner.Common.V1;
using Google.LongRunning;
using System;
using System.Threading.Tasks;

public class CreateInstanceAsyncSample
{
    public async Task<Instance> CreateInstanceAsync(
        string projectId,
        string instanceId,
        Instance.Types.Edition edition = Instance.Types.Edition.Standard)
    {
        // Create the InstanceAdminClient instance.
        InstanceAdminClient instanceAdminClient = await InstanceAdminClient.CreateAsync();

        // Initialize request parameters.
        Instance instance = new Instance
        {
            InstanceName = InstanceName.FromProjectInstance(projectId, instanceId),
            ConfigAsInstanceConfigName = InstanceConfigName.FromProjectInstanceConfig(projectId, "regional-us-central1"),
            DisplayName = "This is a display name.",
            NodeCount = 1,
            Labels =
            {
                { "cloud_spanner_samples", "true" },
            },
            Edition = edition,
        };
        ProjectName projectName = ProjectName.FromProject(projectId);

        // Make the CreateInstance request.
        Operation<Instance, CreateInstanceMetadata> response = await instanceAdminClient.CreateInstanceAsync(projectName, instanceId, instance);

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

        // Poll until the returned long-running operation is complete.
        Operation<Instance, CreateInstanceMetadata> completedResponse = await response.PollUntilCompletedAsync();

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

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

        return completedResponse.Result;
    }
}

using Google.Api.Gax.ResourceNames;
using Google.Cloud.Spanner.Admin.Instance.V1;
using Google.Cloud.Spanner.Common.V1;
using Google.LongRunning;
using System;
using System.Threading.Tasks;

public class CreateInstanceWithoutDefaultBackupSchedulesAsyncSample
{
    public async Task<Instance> CreateInstanceWithoutDefaultBackupSchedulesAsync(string projectId, string instanceId)
    {
        // Create the InstanceAdminClient instance.
        InstanceAdminClient instanceAdminClient = await InstanceAdminClient.CreateAsync();

        // Initialize request parameters.
        Instance instance = new Instance
        {
            InstanceName = InstanceName.FromProjectInstance(projectId, instanceId),
            ConfigAsInstanceConfigName =
                InstanceConfigName.FromProjectInstanceConfig(projectId, "regional-me-central2"),
            DisplayName = "This is a display name.",
            NodeCount = 1,
            Labels =
            {
                { "cloud_spanner_samples", "true" },
            },
            DefaultBackupScheduleType = Instance.Types.DefaultBackupScheduleType.None,
        };
        ProjectName projectName = ProjectName.FromProject(projectId);

        // Make the CreateInstance request.
        Operation<Instance, CreateInstanceMetadata> response =
            await instanceAdminClient.CreateInstanceAsync(projectName, instanceId, instance);

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

        // Poll until the returned long-running operation is complete.
        Operation<Instance, CreateInstanceMetadata> completedResponse =
            await response.PollUntilCompletedAsync();

        if (completedResponse.IsFaulted)
        {
            Console.WriteLine($"Error while creating instance: {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"
)

func createInstance(w io.Writer, projectID, instanceID string) error {
	// projectID := "my-project-id"
	// instanceID := "my-instance"
	ctx := context.Background()
	instanceAdmin, err := instance.NewInstanceAdminClient(ctx)
	if err != nil {
		return err
	}
	defer instanceAdmin.Close()

	op, err := instanceAdmin.CreateInstance(ctx, &instancepb.CreateInstanceRequest{
		Parent:     fmt.Sprintf("projects/%s", projectID),
		InstanceId: instanceID,
		Instance: &instancepb.Instance{
			Config:      fmt.Sprintf("projects/%s/instanceConfigs/%s", projectID, "regional-us-central1"),
			DisplayName: instanceID,
			NodeCount:   1,
			Labels:      map[string]string{"cloud_spanner_samples": "true"},
			Edition:     instancepb.Instance_STANDARD,
		},
	})
	if err != nil {
		return fmt.Errorf("could not create instance %s: %w", fmt.Sprintf("projects/%s/instances/%s", projectID, instanceID), err)
	}
	// Wait for the instance creation to finish.
	i, err := op.Wait(ctx)
	if err != nil {
		return fmt.Errorf("waiting for instance creation to finish failed: %w", err)
	}
	// The instance may not be ready to serve yet.
	if i.State != instancepb.Instance_READY {
		fmt.Fprintf(w, "instance state is not READY yet. Got state %v\n", i.State)
	}
	fmt.Fprintf(w, "Created instance [%s]\n", instanceID)
	return nil
}

import (
	"context"
	"fmt"
	"io"

	instance "cloud.google.com/go/spanner/admin/instance/apiv1"
	"cloud.google.com/go/spanner/admin/instance/apiv1/instancepb"
	"google.golang.org/genproto/protobuf/field_mask"
)

// Example of creating an autoscaling instance with Go.
// projectID is the ID of the project that the new instance will be in.
// instanceID is the ID of the new instance to be created.
func createInstanceWithAutoscalingConfig(w io.Writer, projectID, instanceID string) error {
	// projectID := "my-project-id"
	// instanceID := "my-instance"
	ctx := context.Background()
	instanceAdmin, err := instance.NewInstanceAdminClient(ctx)
	if err != nil {
		return fmt.Errorf("could not create instance admin client for project %s: %w", projectID, err)
	}
	defer instanceAdmin.Close()

	instanceName := fmt.Sprintf("projects/%s/instances/%s", projectID, instanceID)
	fmt.Fprintf(w, "Creating instance %s.", instanceName)

	op, err := instanceAdmin.CreateInstance(ctx, &instancepb.CreateInstanceRequest{
		Parent:     fmt.Sprintf("projects/%s", projectID),
		InstanceId: instanceID,
		Instance: &instancepb.Instance{
			Config:      fmt.Sprintf("projects/%s/instanceConfigs/%s", projectID, "regional-us-central1"),
			DisplayName: "Create instance example",
			AutoscalingConfig: &instancepb.AutoscalingConfig{
				AutoscalingLimits: &instancepb.AutoscalingConfig_AutoscalingLimits{
					MinLimit: &instancepb.AutoscalingConfig_AutoscalingLimits_MinNodes{
						MinNodes: 1,
					},
					MaxLimit: &instancepb.AutoscalingConfig_AutoscalingLimits_MaxNodes{
						MaxNodes: 2,
					},
				},
				AutoscalingTargets: &instancepb.AutoscalingConfig_AutoscalingTargets{
					HighPriorityCpuUtilizationPercent: 65,
					StorageUtilizationPercent:         95,
				},
			},
			Labels:  map[string]string{"cloud_spanner_samples": "true"},
			Edition: instancepb.Instance_ENTERPRISE_PLUS,
		},
	})
	if err != nil {
		return fmt.Errorf("could not create instance %s: %w", instanceName, err)
	}
	fmt.Fprintf(w, "Waiting for operation on %s to complete...", instanceID)
	// Wait for the instance creation to finish.
	i, err := op.Wait(ctx)
	if err != nil {
		return fmt.Errorf("waiting for instance creation to finish failed: %w", err)
	}
	// The instance may not be ready to serve yet.
	if i.State != instancepb.Instance_READY {
		fmt.Fprintf(w, "instance state is not READY yet. Got state %v\n", i.State)
	}
	fmt.Fprintf(w, "Created instance [%s].\n", instanceID)

	instance, err := instanceAdmin.GetInstance(ctx, &instancepb.GetInstanceRequest{
		Name: instanceName,
		// Get the autoscaling_config field from the newly created instance.
		FieldMask: &field_mask.FieldMask{Paths: []string{"autoscaling_config"}},
	})
	if err != nil {
		return fmt.Errorf("failed to get instance [%s]: %w", instanceName, err)
	}
	fmt.Fprintf(w, "Instance %s has autoscaling_config: %s.", instanceID, instance.AutoscalingConfig)
	return nil
}

import (
	"context"
	"fmt"
	"io"

	instance "cloud.google.com/go/spanner/admin/instance/apiv1"
	"cloud.google.com/go/spanner/admin/instance/apiv1/instancepb"
	"google.golang.org/genproto/protobuf/field_mask"
)

// createInstanceWithAsymmetricAutoscalingConfig is a code snippet to show
// an example of creating an asymmetric autoscaling enabled instance in Go.
//
// projectID is the ID of the project that the new instance will be in.
// instanceID is the ID of the new instance to be created.
func createInstanceWithAsymmetricAutoscalingConfig(w io.Writer, projectID, instanceID string) error {
	ctx := context.Background()
	instanceAdmin, err := instance.NewInstanceAdminClient(ctx)
	if err != nil {
		return fmt.Errorf("could not create instance admin client for project %s: %w", projectID, err)
	}
	defer instanceAdmin.Close()

	instanceName := fmt.Sprintf("projects/%s/instances/%s", projectID, instanceID)
	fmt.Fprintf(w, "Creating instance %s.", instanceName)

	op, err := instanceAdmin.CreateInstance(ctx, &instancepb.CreateInstanceRequest{
		Parent:     fmt.Sprintf("projects/%s", projectID),
		InstanceId: instanceID,
		Instance: &instancepb.Instance{
			Config:      fmt.Sprintf("projects/%s/instanceConfigs/%s", projectID, "nam-eur-asia3"),
			DisplayName: "Create instance example",
			AutoscalingConfig: &instancepb.AutoscalingConfig{
				AutoscalingLimits: &instancepb.AutoscalingConfig_AutoscalingLimits{
					MinLimit: &instancepb.AutoscalingConfig_AutoscalingLimits_MinNodes{
						MinNodes: 1,
					},
					MaxLimit: &instancepb.AutoscalingConfig_AutoscalingLimits_MaxNodes{
						MaxNodes: 10,
					},
				},
				AutoscalingTargets: &instancepb.AutoscalingConfig_AutoscalingTargets{
					HighPriorityCpuUtilizationPercent: 65,
					StorageUtilizationPercent:         95,
				},
				// Read-only replicas in europe-west1, europe-west4, and asia-east1 are autoscaled
				// independly from other replicas based on the usage in the respective region.
				AsymmetricAutoscalingOptions: []*instancepb.AutoscalingConfig_AsymmetricAutoscalingOption{
					&instancepb.AutoscalingConfig_AsymmetricAutoscalingOption{
						ReplicaSelection: &instancepb.ReplicaSelection{
							Location: "europe-west1",
						},
					},
					&instancepb.AutoscalingConfig_AsymmetricAutoscalingOption{
						ReplicaSelection: &instancepb.ReplicaSelection{
							Location: "europe-west4",
						},
					},
					&instancepb.AutoscalingConfig_AsymmetricAutoscalingOption{
						ReplicaSelection: &instancepb.ReplicaSelection{
							Location: "asia-east1",
						},
					},
				},
			},
			Labels:  map[string]string{"cloud_spanner_samples": "true"},
			Edition: instancepb.Instance_ENTERPRISE_PLUS,
		},
	})
	if err != nil {
		return fmt.Errorf("could not create instance %s: %w", instanceName, err)
	}
	fmt.Fprintf(w, "Waiting for operation on %s to complete...", instanceID)
	// Wait for the instance creation to finish.
	i, err := op.Wait(ctx)
	if err != nil {
		return fmt.Errorf("waiting for instance creation to finish failed: %w", err)
	}
	// The instance may not be ready to serve yet.
	if i.State != instancepb.Instance_READY {
		fmt.Fprintf(w, "instance state is not READY yet. Got state %v\n", i.State)
	}
	fmt.Fprintf(w, "Created instance [%s].\n", instanceID)

	instance, err := instanceAdmin.GetInstance(ctx, &instancepb.GetInstanceRequest{
		Name: instanceName,
		// Get the autoscaling_config field from the newly created instance.
		FieldMask: &field_mask.FieldMask{Paths: []string{"autoscaling_config"}},
	})
	if err != nil {
		return fmt.Errorf("failed to get instance [%s]: %w", instanceName, err)
	}
	fmt.Fprintf(w, "Instance %s has autoscaling_config: %s.", instanceID, instance.AutoscalingConfig)
	return nil
}

import (
	"context"
	"fmt"
	"io"

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

// createInstanceWithoutDefaultBackupSchedule creates instance with default backup schedule disabled.
func createInstanceWithoutDefaultBackupSchedule(w io.Writer, projectID, instanceID string) error {
	// projectID := "my-project-id"
	// instanceID := "my-instance"
	ctx := context.Background()
	instanceAdmin, err := instance.NewInstanceAdminClient(ctx)
	if err != nil {
		return err
	}
	defer instanceAdmin.Close()

	// Create an instance without default backup schedule, whicn means no default backup schedule will
	// be created automatically on creation of a database within the instance.
	req := &instancepb.CreateInstanceRequest{
		Parent:     fmt.Sprintf("projects/%s", projectID),
		InstanceId: instanceID,
		Instance: &instancepb.Instance{
			Config:                    fmt.Sprintf("projects/%s/instanceConfigs/%s", projectID, "regional-us-central1"),
			DisplayName:               instanceID,
			NodeCount:                 1,
			Labels:                    map[string]string{"cloud_spanner_samples": "true"},
			DefaultBackupScheduleType: instancepb.Instance_NONE,
		},
	}

	op, err := instanceAdmin.CreateInstance(ctx, req)
	if err != nil {
		return fmt.Errorf("could not create instance %s: %w", fmt.Sprintf("projects/%s/instances/%s", projectID, instanceID), err)
	}
	// Wait for the instance creation to finish.  For more information about instances, see
	// https://cloud.google.com/spanner/docs/instances.
	instance, err := op.Wait(ctx)
	if err != nil {
		return fmt.Errorf("waiting for instance creation to finish failed: %w", err)
	}
	// The instance may not be ready to serve yet.
	if instance.State != instancepb.Instance_READY {
		fmt.Fprintf(w, "instance state is not READY yet. Got state %v\n", instance.State)
	}
	fmt.Fprintf(w, "Created instance [%s]\n", instanceID)
	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.CreateInstanceRequest;
import com.google.spanner.admin.instance.v1.Instance;
import com.google.spanner.admin.instance.v1.InstanceConfigName;
import com.google.spanner.admin.instance.v1.ProjectName;
import java.util.concurrent.ExecutionException;

class CreateInstanceExample {

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

  static void createInstance(String projectId, String instanceId) {
    // Set Instance configuration.
    int nodeCount = 2;
    String displayName = "Descriptive name";

    // Create an Instance object that will be used to create the instance.
    Instance instance =
        Instance.newBuilder()
            .setDisplayName(displayName)
            .setEdition(Instance.Edition.STANDARD)
            .setNodeCount(nodeCount)
            .setConfig(InstanceConfigName.of(projectId, "regional-us-east4").toString())
            .build();

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

      // Wait for the createInstance operation to finish.
      Instance createdInstance =
          instanceAdminClient
              .createInstanceAsync(
                  CreateInstanceRequest.newBuilder()
                      .setParent(ProjectName.of(projectId).toString())
                      .setInstanceId(instanceId)
                      .setInstance(instance)
                      .build())
              .get();
      System.out.printf("Instance %s was successfully created%n", createdInstance.getName());
    } catch (ExecutionException e) {
      System.out.printf(
          "Error: Creating instance %s failed with error message %s%n",
          instance.getName(), e.getMessage());
    } catch (InterruptedException e) {
      System.out.println("Error: Waiting for createInstance operation to finish was interrupted");
    }
  }
}

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.AutoscalingConfig;
import com.google.spanner.admin.instance.v1.CreateInstanceRequest;
import com.google.spanner.admin.instance.v1.Instance;
import com.google.spanner.admin.instance.v1.InstanceConfigName;
import com.google.spanner.admin.instance.v1.ProjectName;
import com.google.spanner.admin.instance.v1.ReplicaSelection;
import java.util.concurrent.ExecutionException;

class CreateInstanceWithAsymmetricAutoscalingConfigExample {

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

  static void createInstance(String projectId, String instanceId) {
    try (Spanner spanner =
        SpannerOptions.newBuilder()
            .setProjectId(projectId)
            .build()
            .getService();
        InstanceAdminClient instanceAdminClient = spanner.createInstanceAdminClient()) {
      // Set Instance configuration.
      String configId = "nam-eur-asia3";
      String displayName = "Descriptive name";

      // Create an autoscaling config.
      // When autoscaling_config is enabled, node_count and processing_units fields
      // need not be specified.
      // The read-only replicas listed in the asymmetric autoscaling options scale independently
      // from other replicas.
      AutoscalingConfig autoscalingConfig =
          AutoscalingConfig.newBuilder()
              .setAutoscalingLimits(
                  AutoscalingConfig.AutoscalingLimits.newBuilder().setMinNodes(1).setMaxNodes(2))
              .setAutoscalingTargets(
                  AutoscalingConfig.AutoscalingTargets.newBuilder()
                      .setHighPriorityCpuUtilizationPercent(65)
                      .setStorageUtilizationPercent(95))
              .addAsymmetricAutoscalingOptions(
                  AutoscalingConfig.AsymmetricAutoscalingOption.newBuilder()
                  .setReplicaSelection(ReplicaSelection.newBuilder().setLocation("europe-west1")))
              .addAsymmetricAutoscalingOptions(
                  AutoscalingConfig.AsymmetricAutoscalingOption.newBuilder()
                  .setReplicaSelection(ReplicaSelection.newBuilder().setLocation("europe-west4")))
              .addAsymmetricAutoscalingOptions(
                  AutoscalingConfig.AsymmetricAutoscalingOption.newBuilder()
                  .setReplicaSelection(ReplicaSelection.newBuilder().setLocation("asia-east1")))
              .build();
      Instance instance =
          Instance.newBuilder()
              .setAutoscalingConfig(autoscalingConfig)
              .setDisplayName(displayName)
              .setConfig(
                  InstanceConfigName.of(projectId, configId).toString())
              .build();

      // Creates a new instance
      System.out.printf("Creating instance %s.%n", instanceId);
      try {
        // Wait for the createInstance operation to finish.
        Instance instanceResult = instanceAdminClient.createInstanceAsync(
            CreateInstanceRequest.newBuilder()
                .setParent(ProjectName.of(projectId).toString())
                .setInstanceId(instanceId)
                .setInstance(instance)
                .build()).get();
        System.out.printf("Asymmetric Autoscaling instance %s was successfully created%n",
            instanceResult.getName());
      } catch (ExecutionException e) {
        System.out.printf(
            "Error: Creating instance %s failed with error message %s%n",
            instance.getName(), e.getMessage());
      } catch (InterruptedException e) {
        System.out.println("Error: Waiting for createInstance operation to finish was interrupted");
      }
    }
  }
}

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.AutoscalingConfig;
import com.google.spanner.admin.instance.v1.CreateInstanceRequest;
import com.google.spanner.admin.instance.v1.Instance;
import com.google.spanner.admin.instance.v1.InstanceConfigName;
import com.google.spanner.admin.instance.v1.ProjectName;
import com.google.spanner.admin.instance.v1.ReplicaSelection;
import java.util.concurrent.ExecutionException;

class CreateInstanceWithAsymmetricAutoscalingConfigExample {

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

  static void createInstance(String projectId, String instanceId) {
    try (Spanner spanner =
        SpannerOptions.newBuilder()
            .setProjectId(projectId)
            .build()
            .getService();
        InstanceAdminClient instanceAdminClient = spanner.createInstanceAdminClient()) {
      // Set Instance configuration.
      String configId = "nam-eur-asia3";
      String displayName = "Descriptive name";

      // Create an autoscaling config.
      // When autoscaling_config is enabled, node_count and processing_units fields
      // need not be specified.
      // The read-only replicas listed in the asymmetric autoscaling options scale independently
      // from other replicas.
      AutoscalingConfig autoscalingConfig =
          AutoscalingConfig.newBuilder()
              .setAutoscalingLimits(
                  AutoscalingConfig.AutoscalingLimits.newBuilder().setMinNodes(1).setMaxNodes(2))
              .setAutoscalingTargets(
                  AutoscalingConfig.AutoscalingTargets.newBuilder()
                      .setHighPriorityCpuUtilizationPercent(65)
                      .setStorageUtilizationPercent(95))
              .addAsymmetricAutoscalingOptions(
                  AutoscalingConfig.AsymmetricAutoscalingOption.newBuilder()
                  .setReplicaSelection(ReplicaSelection.newBuilder().setLocation("europe-west1")))
              .addAsymmetricAutoscalingOptions(
                  AutoscalingConfig.AsymmetricAutoscalingOption.newBuilder()
                  .setReplicaSelection(ReplicaSelection.newBuilder().setLocation("europe-west4")))
              .addAsymmetricAutoscalingOptions(
                  AutoscalingConfig.AsymmetricAutoscalingOption.newBuilder()
                  .setReplicaSelection(ReplicaSelection.newBuilder().setLocation("asia-east1")))
              .build();
      Instance instance =
          Instance.newBuilder()
              .setAutoscalingConfig(autoscalingConfig)
              .setDisplayName(displayName)
              .setConfig(
                  InstanceConfigName.of(projectId, configId).toString())
              .build();

      // Creates a new instance
      System.out.printf("Creating instance %s.%n", instanceId);
      try {
        // Wait for the createInstance operation to finish.
        Instance instanceResult = instanceAdminClient.createInstanceAsync(
            CreateInstanceRequest.newBuilder()
                .setParent(ProjectName.of(projectId).toString())
                .setInstanceId(instanceId)
                .setInstance(instance)
                .build()).get();
        System.out.printf("Asymmetric Autoscaling instance %s was successfully created%n",
            instanceResult.getName());
      } catch (ExecutionException e) {
        System.out.printf(
            "Error: Creating instance %s failed with error message %s%n",
            instance.getName(), e.getMessage());
      } catch (InterruptedException e) {
        System.out.println("Error: Waiting for createInstance operation to finish was interrupted");
      }
    }
  }
}

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.CreateInstanceRequest;
import com.google.spanner.admin.instance.v1.Instance;
import com.google.spanner.admin.instance.v1.InstanceConfigName;
import com.google.spanner.admin.instance.v1.ProjectName;
import java.util.concurrent.ExecutionException;

class CreateInstanceWithoutDefaultBackupSchedulesExample {

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

  static void createInstanceWithoutDefaultBackupSchedules(String projectId, String instanceId) {
    // Set Instance configuration.
    int nodeCount = 2;
    String displayName = "Descriptive name";

    // Create an Instance object that will be used to create the instance.
    Instance instance =
        Instance.newBuilder()
            .setDisplayName(displayName)
            .setDefaultBackupScheduleType(Instance.DefaultBackupScheduleType.NONE)
            .setNodeCount(nodeCount)
            .setConfig(InstanceConfigName.of(projectId, "regional-us-east4").toString())
            .build();

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

      // Wait for the createInstance operation to finish.
      Instance createdInstance =
          instanceAdminClient
              .createInstanceAsync(
                  CreateInstanceRequest.newBuilder()
                      .setParent(ProjectName.of(projectId).toString())
                      .setInstanceId(instanceId)
                      .setInstance(instance)
                      .build())
              .get();
      System.out.printf("Instance %s was successfully created%n", createdInstance.getName());
    } catch (ExecutionException e) {
      System.out.printf(
          "Error: Creating instance %s failed with error message %s%n",
          instance.getName(), e.getMessage());
    } catch (InterruptedException e) {
      System.out.println("Error: Waiting for createInstance operation to finish was interrupted");
    }
  }
}

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

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

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

// Creates a new instance
try {
  console.log(
    `Creating instance ${instanceAdminClient.instancePath(
      projectId,
      instanceId,
    )}.`,
  );
  const [operation] = await instanceAdminClient.createInstance({
    instanceId: instanceId,
    parent: instanceAdminClient.projectPath(projectId),
    instance: {
      config: instanceAdminClient.instanceConfigPath(
        projectId,
        'regional-us-central1',
      ),
      nodeCount: 1,
      displayName: 'Display name for the instance.',
      labels: {
        cloud_spanner_samples: 'true',
        created: Math.round(Date.now() / 1000).toString(), // current time
      },
      edition:
        protos.google.spanner.admin.instance.v1.Instance.Edition.STANDARD, //optional
    },
  });

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

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

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

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

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

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

const autoscalingConfig =
  protos.google.spanner.admin.instance.v1.AutoscalingConfig.create({
    // Only one of minNodes/maxNodes or minProcessingUnits/maxProcessingUnits can be set.
    autoscalingLimits:
      protos.google.spanner.admin.instance.v1.AutoscalingConfig.AutoscalingLimits.create(
        {
          minNodes: 1,
          maxNodes: 2,
        },
      ),
    // highPriorityCpuUtilizationPercent and storageUtilizationPercent are both
    // percentages and must lie between 0 and 100.
    autoscalingTargets:
      protos.google.spanner.admin.instance.v1.AutoscalingConfig.AutoscalingTargets.create(
        {
          highPriorityCpuUtilizationPercent: 65,
          storageUtilizationPercent: 95,
        },
      ),
  });

// Creates a new instance with autoscaling configuration
// When autoscalingConfig is enabled, nodeCount and processingUnits fields
// need not be specified.
try {
  console.log(
    `Creating instance ${instanceAdminClient.instancePath(
      projectId,
      instanceId,
    )}.`,
  );
  const [operation] = await instanceAdminClient.createInstance({
    instanceId: instanceId,
    parent: instanceAdminClient.projectPath(projectId),
    instance: {
      config: instanceAdminClient.instanceConfigPath(
        projectId,
        'regional-us-central1',
      ),
      displayName: 'Display name for the instance.',
      autoscalingConfig: autoscalingConfig,
      labels: {
        cloud_spanner_samples: 'true',
        created: Math.round(Date.now() / 1000).toString(), // current time
      },
      // Managed autoscaler is available only for ENTERPRISE edition
      edition:
        protos.google.spanner.admin.instance.v1.Instance.Edition.ENTERPRISE,
    },
  });

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

  // get instance metadata
  const [metadata] = await instanceAdminClient.getInstance({
    name: instanceAdminClient.instancePath(projectId, instanceId),
  });
  console.log(
    `Autoscaling configurations of ${instanceId} are:  ` +
      '\n' +
      `Min nodes: ${metadata.autoscalingConfig.autoscalingLimits.minNodes} ` +
      'nodes.' +
      '\n' +
      `Max nodes: ${metadata.autoscalingConfig.autoscalingLimits.maxNodes}` +
      ' nodes.' +
      '\n' +
      `High priority cpu utilization percent: ${metadata.autoscalingConfig.autoscalingTargets.highPriorityCpuUtilizationPercent}.` +
      '\n' +
      `Storage utilization percent: ${metadata.autoscalingConfig.autoscalingTargets.storageUtilizationPercent}.`,
  );
} catch (err) {
  console.error('ERROR:', err);
}

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

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

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

const instanceAdminClient = await spanner.getInstanceAdminClient();
// Creates a new instance
try {
  const [operation] = await instanceAdminClient.createInstance({
    instanceId: instanceId,
    parent: instanceAdminClient.projectPath(projectId),
    instance: {
      config: instanceAdminClient.instanceConfigPath(
        projectId,
        'regional-me-central2',
      ),
      nodeCount: 1,
      displayName: 'Display name for the instance.',
      labels: {
        cloud_spanner_samples: 'true',
        created: Math.round(Date.now() / 1000).toString(), // current time
      },
      defaultBackupScheduleType:
        protos.google.spanner.admin.instance.v1.Instance
          .DefaultBackupScheduleType.NONE,
    },
  });
  await operation.promise();

  console.log(
    `Created instance ${instanceId} without default backup schedules.`,
  );
} catch (err) {
  console.error('ERROR:', err);
}

use Google\Cloud\Spanner\Admin\Instance\V1\Client\InstanceAdminClient;
use Google\Cloud\Spanner\Admin\Instance\V1\CreateInstanceRequest;
use Google\Cloud\Spanner\Admin\Instance\V1\Instance;

/**
 * Creates an instance.
 * Example:
 * ```
 * create_instance($projectId, $instanceId);
 * ```
 *
 * @param string $projectId  The Spanner project ID.
 * @param string $instanceId The Spanner instance ID.
 */
function create_instance(string $projectId, string $instanceId): void
{
    $instanceAdminClient = new InstanceAdminClient();
    $parent = InstanceAdminClient::projectName($projectId);
    $instanceName = InstanceAdminClient::instanceName($projectId, $instanceId);
    $configName = $instanceAdminClient->instanceConfigName($projectId, 'regional-us-central1');
    $instance = (new Instance())
        ->setName($instanceName)
        ->setConfig($configName)
        ->setDisplayName('dispName')
        ->setNodeCount(1);

    $operation = $instanceAdminClient->createInstance(
        (new CreateInstanceRequest())
        ->setParent($parent)
        ->setInstanceId($instanceId)
        ->setInstance($instance)
    );

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

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

def create_instance(instance_id):
    """Creates an instance."""
    from google.cloud.spanner_admin_instance_v1.types import spanner_instance_admin

    spanner_client = spanner.Client()

    config_name = "{}/instanceConfigs/regional-us-central1".format(
        spanner_client.project_name
    )

    operation = spanner_client.instance_admin_api.create_instance(
        parent=spanner_client.project_name,
        instance_id=instance_id,
        instance=spanner_instance_admin.Instance(
            config=config_name,
            display_name="This is a display name.",
            node_count=1,
            labels={
                "cloud_spanner_samples": "true",
                "sample_name": "snippets-create_instance-explicit",
                "created": str(int(time.time())),
            },
            edition=spanner_instance_admin.Instance.Edition.STANDARD,  # Optional
        ),
    )

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

    print("Created instance {}".format(instance_id))

def create_instance_with_autoscaling_config(instance_id):
    """Creates a Cloud Spanner instance with an autoscaling configuration."""
    from google.cloud.spanner_admin_instance_v1.types import spanner_instance_admin

    spanner_client = spanner.Client()

    config_name = "{}/instanceConfigs/regional-us-central1".format(
        spanner_client.project_name
    )

    autoscaling_config = spanner_instance_admin.AutoscalingConfig(
        # Only one of minNodes/maxNodes or minProcessingUnits/maxProcessingUnits can be set.
        autoscaling_limits=spanner_instance_admin.AutoscalingConfig.AutoscalingLimits(
            min_nodes=1,
            max_nodes=2,
        ),
        # highPriorityCpuUtilizationPercent and storageUtilizationPercent are both
        # percentages and must lie between 0 and 100.
        autoscaling_targets=spanner_instance_admin.AutoscalingConfig.AutoscalingTargets(
            high_priority_cpu_utilization_percent=65,
            storage_utilization_percent=95,
        ),
    )

    #  Creates a new instance with autoscaling configuration
    #  When autoscalingConfig is enabled, nodeCount and processingUnits fields
    #  need not be specified.
    request = spanner_instance_admin.CreateInstanceRequest(
        parent=spanner_client.project_name,
        instance_id=instance_id,
        instance=spanner_instance_admin.Instance(
            config=config_name,
            display_name="This is a display name.",
            autoscaling_config=autoscaling_config,
            labels={
                "cloud_spanner_samples": "true",
                "sample_name": "snippets-create_instance_with_autoscaling_config",
                "created": str(int(time.time())),
            },
            edition=spanner_instance_admin.Instance.Edition.ENTERPRISE,  # Optional
        ),
    )

    operation = spanner_client.instance_admin_api.create_instance(request=request)

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

    print(
        "Created instance {} with {} autoscaling config".format(
            instance_id, instance.autoscaling_config
        )
    )

def create_instance_without_default_backup_schedules(instance_id):
    spanner_client = spanner.Client()
    config_name = "{}/instanceConfigs/regional-me-central2".format(
        spanner_client.project_name
    )

    operation = spanner_client.instance_admin_api.create_instance(
      parent=spanner_client.project_name,
      instance_id=instance_id,
      instance=spanner_instance_admin.Instance(
          config=config_name,
          display_name="This is a display name.",
          node_count=1,
          default_backup_schedule_type=spanner_instance_admin.Instance.DefaultBackupScheduleType.NONE,  # Optional
      ),
    )

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

    print("Created instance {} without default backup schedules".format(instance_id))

# project_id  = "Your Google Cloud project ID"
# instance_id = "Your Spanner instance ID"
# instance_config_id = "Your Spanner InstanceConfig ID"

require "google/cloud/spanner"
require "google/cloud/spanner/admin/instance"

instance_admin_client = Google::Cloud::Spanner::Admin::Instance.instance_admin

project_path = instance_admin_client.project_path project: project_id
instance_path = instance_admin_client.instance_path project: project_id, instance: instance_id
instance_config_path = instance_admin_client.instance_config_path project: project_id, instance_config: instance_config_id

job = instance_admin_client.create_instance parent: project_path,
                                            instance_id: instance_id,
                                            instance: { name: instance_path,
                                                        config: instance_config_path,
                                                        display_name: instance_id,
                                                        node_count: 2,
                                                        labels: { cloud_spanner_samples: "true" } }

puts "Waiting for create instance operation to complete"

job.wait_until_done!

if job.error?
  puts job.error
else
  puts "Created instance #{instance_id}"
end

import (
	"context"
	"fmt"
	"io"

	instance "cloud.google.com/go/spanner/admin/instance/apiv1"
	"cloud.google.com/go/spanner/admin/instance/apiv1/instancepb"
	"google.golang.org/genproto/protobuf/field_mask"
)

func updateInstance(w io.Writer, projectID, instanceID string) error {
	// projectID := "my-project-id"
	// instanceID := "my-instance"
	ctx := context.Background()
	instanceAdmin, err := instance.NewInstanceAdminClient(ctx)
	if err != nil {
		return err
	}
	defer instanceAdmin.Close()

	req := &instancepb.UpdateInstanceRequest{
		Instance: &instancepb.Instance{
			Name: fmt.Sprintf("projects/%s/instances/%s", projectID, instanceID),
			// The edition selected for this instance.
			// Different editions provide different capabilities at different price points.
			// For more information, see https://cloud.google.com/spanner/docs/editions-overview.
			Edition: instancepb.Instance_ENTERPRISE,
		},
		FieldMask: &field_mask.FieldMask{
			Paths: []string{"edition"},
		},
	}
	op, err := instanceAdmin.UpdateInstance(ctx, req)
	if err != nil {
		return fmt.Errorf("could not update instance %s: %w", fmt.Sprintf("projects/%s/instances/%s", projectID, instanceID), err)
	}
	// Wait for the instance update to finish.
	_, err = op.Wait(ctx)
	if err != nil {
		return fmt.Errorf("waiting for instance update to finish failed: %w", err)
	}

	fmt.Fprintf(w, "Updated instance [%s]\n", instanceID)
	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.common.collect.Lists;
import com.google.protobuf.FieldMask;
import com.google.spanner.admin.instance.v1.Instance;
import com.google.spanner.admin.instance.v1.InstanceConfigName;
import com.google.spanner.admin.instance.v1.InstanceName;
import com.google.spanner.admin.instance.v1.UpdateInstanceRequest;
import java.util.concurrent.ExecutionException;

public class UpdateInstanceExample {

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

  static void updateInstance(String projectId, String instanceId) {
    // Set Instance configuration.
    int nodeCount = 2;
    String displayName = "Updated name";

    // Update an Instance object that will be used to update the instance.
    Instance instance =
        Instance.newBuilder()
            .setName(InstanceName.of(projectId, instanceId).toString())
            .setDisplayName(displayName)
            .setNodeCount(nodeCount)
            .setEdition(Instance.Edition.ENTERPRISE)
            .setConfig(InstanceConfigName.of(projectId, "regional-us-east4").toString())
            .build();

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

      // Wait for the updatedInstance operation to finish.
      Instance updatedInstance =
          instanceAdminClient
              .updateInstanceAsync(
                  UpdateInstanceRequest.newBuilder()
                      .setFieldMask(
                          FieldMask.newBuilder().addAllPaths(Lists.newArrayList("edition")))
                      .setInstance(instance)
                      .build())
              .get();
      System.out.printf("Instance %s was successfully updated%n", updatedInstance.getName());
    } catch (ExecutionException e) {
      System.out.printf(
          "Error: Updating instance %s failed with error message %s%n",
          instance.getName(), e.getMessage());
    } catch (InterruptedException e) {
      System.out.println("Error: Waiting for updateInstance operation to finish was interrupted");
    }
  }
}

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

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

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

const instanceAdminClient = spanner.getInstanceAdminClient();

// Updates an instance
try {
  console.log(
    `Updating instance ${instanceAdminClient.instancePath(
      projectId,
      instanceId,
    )}.`,
  );
  const [operation] = await instanceAdminClient.updateInstance({
    instance: {
      name: instanceAdminClient.instancePath(projectId, instanceId),
      labels: {
        updated: 'true',
        created: Math.round(Date.now() / 1000).toString(), // current time
      },
      edition:
        protos.google.spanner.admin.instance.v1.Instance.Edition.ENTERPRISE, //optional
    },
    // Field mask specifying fields that should get updated in an Instance
    fieldMask: (protos.google.protobuf.FieldMask = {
      paths: ['labels', 'edition'],
    }),
  });

  console.log(`Waiting for operation on ${instanceId} to complete...`);
  await operation.promise();
  console.log(`Updated instance ${instanceId}.`);
  const [metadata] = await instanceAdminClient.getInstance({
    name: instanceAdminClient.instancePath(projectId, instanceId),
  });
  console.log(
    `Instance ${instanceId} has been updated with the ${metadata.edition} ` +
      'edition.',
  );
} catch (err) {
  console.error('ERROR:', err);
}

def update_instance(instance_id):
    """Updates an instance."""
    from google.cloud.spanner_admin_instance_v1.types import \
        spanner_instance_admin

    spanner_client = spanner.Client()

    name = "{}/instances/{}".format(spanner_client.project_name, instance_id)

    operation = spanner_client.instance_admin_api.update_instance(
        instance=spanner_instance_admin.Instance(
            name=name,
            labels={
                "sample_name": "snippets-update_instance-explicit",
            },
            edition=spanner_instance_admin.Instance.Edition.ENTERPRISE,  # Optional
        ),
        field_mask=field_mask_pb2.FieldMask(paths=["labels", "edition"]),
    )

    print("Waiting for operation to complete...")
    operation.result(900)

    print("Updated instance {}".format(instance_id))