리전 디스크를 Google Compute Engine에서 실행되는 단일 가상 머신에 연결합니다. 또한 디스크를 사용하려면 운영체제에서 마운트해야 합니다. 디스크는 읽기-쓰기 모드로 연결됩니다. 디스크는 한 번에 하나의 VM 인스턴스에만 연결할 수 있습니다.
코드 샘플
Go
이 샘플을 사용해 보기 전에 Compute Engine 빠른 시작: 클라이언트 라이브러리 사용의 Go 설정 안내를 따르세요. 자세한 내용은 Compute Engine Go API 참조 문서를 확인하세요.
Compute Engine에 인증하려면 애플리케이션 기본 사용자 인증 정보를 설정합니다. 자세한 내용은 로컬 개발 환경의 인증 설정을 참조하세요.
import (
"context"
"fmt"
"io"
compute "cloud.google.com/go/compute/apiv1"
computepb "google.golang.org/genproto/googleapis/cloud/compute/v1"
)
// Attaches the provided regional disk in read-write mode to the given VM
func attachRegionalDisk(w io.Writer, projectID, zone, instanceName, diskUrl string) error {
// projectID := "your_project_id"
// zone := "us-west3-a" // refers to the instance, not the disk
// instanceName := "your_instance_name"
// diskUrl := "projects/your_project/regions/europe-west3/disks/your_disk"
ctx := context.Background()
instancesClient, err := compute.NewInstancesRESTClient(ctx)
if err != nil {
return err
}
defer instancesClient.Close()
req := &computepb.AttachDiskInstanceRequest{
AttachedDiskResource: &computepb.AttachedDisk{
Source: &diskUrl,
},
Instance: instanceName,
Project: projectID,
Zone: zone,
}
op, err := instancesClient.AttachDisk(ctx, req)
if err != nil {
return fmt.Errorf("unable to attach disk: %w", err)
}
if err = op.Wait(ctx); err != nil {
return fmt.Errorf("unable to wait for the operation: %w", err)
}
fmt.Fprintf(w, "Disk attached\n")
return nil
}
Java
이 샘플을 사용해 보기 전에 Compute Engine 빠른 시작: 클라이언트 라이브러리 사용의 Java 설정 안내를 따르세요. 자세한 내용은 Compute Engine Java API 참조 문서를 확인하세요.
Compute Engine에 인증하려면 애플리케이션 기본 사용자 인증 정보를 설정합니다. 자세한 내용은 로컬 개발 환경의 인증 설정을 참조하세요.
import com.google.cloud.compute.v1.AttachDiskInstanceRequest;
import com.google.cloud.compute.v1.AttachedDisk;
import com.google.cloud.compute.v1.InstancesClient;
import com.google.cloud.compute.v1.Operation;
import java.io.IOException;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
public class AttachDisk {
public static void main(String[] args)
throws IOException, ExecutionException, InterruptedException, TimeoutException {
// TODO(developer): Replace these variables before running the sample.
// Project ID or project number of the Cloud project you want to use.
String projectId = "your-project-id";
// Name of the zone in which the instance you want to use resides.
String zone = "zone-name";
// Name of the compute instance you want to attach a disk to.
String instanceName = "instance-name";
// Full or partial URL of a persistent disk that you want to attach. This can be either
// be a regional or zonal disk.
// Valid formats:
// * https://www.googleapis.com/compute/v1/projects/{project}/zones/{zone}/disks/{disk_name}
// * /projects/{project}/zones/{zone}/disks/{disk_name}
// * /projects/{project}/regions/{region}/disks/{disk_name}
String diskLink = String.format("/projects/%s/zones/%s/disks/%s",
"project", "zone", "disk_name");
// Specifies in what mode the disk will be attached to the instance. Available options are
// `READ_ONLY` and `READ_WRITE`. Disk in `READ_ONLY` mode can be attached to
// multiple instances at once.
String mode = "READ_ONLY";
attachDisk(projectId, zone, instanceName, diskLink, mode);
}
// Attaches a non-boot persistent disk to a specified compute instance.
// The disk might be zonal or regional.
// You need following permissions to execute this action:
// https://cloud.google.com/compute/docs/disks/regional-persistent-disk#expandable-1
public static void attachDisk(String projectId, String zone, String instanceName, String diskLink,
String mode)
throws IOException, ExecutionException, InterruptedException, TimeoutException {
// Initialize client that will be used to send requests. This client only needs to be created
// once, and can be reused for multiple requests. After completing all of your requests, call
// the `instancesClient.close()` method on the client to safely
// clean up any remaining background resources.
try (InstancesClient instancesClient = InstancesClient.create()) {
AttachDiskInstanceRequest attachDiskInstanceRequest = AttachDiskInstanceRequest.newBuilder()
.setProject(projectId)
.setZone(zone)
.setInstance(instanceName)
.setAttachedDiskResource(AttachedDisk.newBuilder()
.setSource(diskLink)
.setMode(mode)
.build())
.build();
Operation response = instancesClient.attachDiskAsync(attachDiskInstanceRequest)
.get(3, TimeUnit.MINUTES);
if (response.hasError()) {
System.out.println("Attach disk failed! " + response);
return;
}
System.out.println("Attach disk - operation status: " + response.getStatus());
}
}
}Python
이 샘플을 사용해 보기 전에 Compute Engine 빠른 시작: 클라이언트 라이브러리 사용의 Python 설정 안내를 따르세요. 자세한 내용은 Compute Engine Python API 참조 문서를 확인하세요.
Compute Engine에 인증하려면 애플리케이션 기본 사용자 인증 정보를 설정합니다. 자세한 내용은 로컬 개발 환경의 인증 설정을 참조하세요.
from __future__ import annotations
import sys
from typing import Any
from google.api_core.extended_operation import ExtendedOperation
from google.cloud import compute_v1
def wait_for_extended_operation(
operation: ExtendedOperation, verbose_name: str = "operation", timeout: int = 300
) -> Any:
"""
Waits for the extended (long-running) operation to complete.
If the operation is successful, it will return its result.
If the operation ends with an error, an exception will be raised.
If there were any warnings during the execution of the operation
they will be printed to sys.stderr.
Args:
operation: a long-running operation you want to wait on.
verbose_name: (optional) a more verbose name of the operation,
used only during error and warning reporting.
timeout: how long (in seconds) to wait for operation to finish.
If None, wait indefinitely.
Returns:
Whatever the operation.result() returns.
Raises:
This method will raise the exception received from `operation.exception()`
or RuntimeError if there is no exception set, but there is an `error_code`
set for the `operation`.
In case of an operation taking longer than `timeout` seconds to complete,
a `concurrent.futures.TimeoutError` will be raised.
"""
result = operation.result(timeout=timeout)
if operation.error_code:
print(
f"Error during {verbose_name}: [Code: {operation.error_code}]: {operation.error_message}",
file=sys.stderr,
flush=True,
)
print(f"Operation ID: {operation.name}", file=sys.stderr, flush=True)
raise operation.exception() or RuntimeError(operation.error_message)
if operation.warnings:
print(f"Warnings during {verbose_name}:\n", file=sys.stderr, flush=True)
for warning in operation.warnings:
print(f" - {warning.code}: {warning.message}", file=sys.stderr, flush=True)
return result
def attach_disk(
project_id: str, zone: str, instance_name: str, disk_link: str, mode: str
) -> None:
"""
Attaches a non-boot persistent disk to a specified compute instance. The disk might be zonal or regional.
You need following permissions to execute this action:
https://cloud.google.com/compute/docs/disks/regional-persistent-disk#expandable-1
Args:
project_id: project ID or project number of the Cloud project you want to use.
zone:name of the zone in which the instance you want to use resides.
instance_name: name of the compute instance you want to attach a disk to.
disk_link: full or partial URL to a persistent disk that you want to attach. This can be either
regional or zonal disk.
Expected formats:
* https://www.googleapis.com/compute/v1/projects/[project]/zones/[zone]/disks/[disk_name]
* /projects/[project]/zones/[zone]/disks/[disk_name]
* /projects/[project]/regions/[region]/disks/[disk_name]
mode: Specifies in what mode the disk will be attached to the instance. Available options are `READ_ONLY`
and `READ_WRITE`. Disk in `READ_ONLY` mode can be attached to multiple instances at once.
"""
instances_client = compute_v1.InstancesClient()
request = compute_v1.AttachDiskInstanceRequest()
request.project = project_id
request.zone = zone
request.instance = instance_name
request.attached_disk_resource = compute_v1.AttachedDisk()
request.attached_disk_resource.source = disk_link
request.attached_disk_resource.mode = mode
operation = instances_client.attach_disk(request)
wait_for_extended_operation(operation, "disk attachement")
다음 단계
다른 Google Cloud 제품의 코드 샘플을 검색하고 필터링하려면 Google Cloud 샘플 브라우저를 참조하세요.