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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"
"google.golang.org/protobuf/proto"
)
// createDiskFromSnapshot creates a new disk in a project in given zone.
func createDiskFromSnapshot(
w io.Writer,
projectID, zone, diskName, diskType, snapshotLink string,
diskSizeGb int64,
) error {
// projectID := "your_project_id"
// zone := "us-west3-b" // should match diskType below
// diskName := "your_disk_name"
// diskType := "zones/us-west3-b/diskTypes/pd-ssd"
// snapshotLink := "projects/your_project_id/global/snapshots/snapshot_name"
// diskSizeGb := 120
ctx := context.Background()
disksClient, err := compute.NewDisksRESTClient(ctx)
if err != nil {
return fmt.Errorf("NewDisksRESTClient: %w", err)
}
defer disksClient.Close()
req := &computepb.InsertDiskRequest{
Project: projectID,
Zone: zone,
DiskResource: &computepb.Disk{
Name: proto.String(diskName),
Zone: proto.String(zone),
Type: proto.String(diskType),
SourceSnapshot: proto.String(snapshotLink),
SizeGb: proto.Int64(diskSizeGb),
},
}
op, err := disksClient.Insert(ctx, req)
if err != nil {
return fmt.Errorf("unable to create 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 created\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.Disk;
import com.google.cloud.compute.v1.DisksClient;
import com.google.cloud.compute.v1.InsertDiskRequest;
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 CreateDiskFromSnapshot {
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 you want to create the disk.
String zone = "europe-central2-b";
// Name of the disk you want to create.
String diskName = "YOUR_DISK_NAME";
// The type of disk you want to create. This value uses the following format:
// "zones/{zone}/diskTypes/(pd-standard|pd-ssd|pd-balanced|pd-extreme)".
// For example: "zones/us-west3-b/diskTypes/pd-ssd"
String diskType = String.format("zones/%s/diskTypes/pd-ssd", zone);
// Size of the new disk in gigabytes.
long diskSizeGb = 10;
// The full path and name of the snapshot that you want to use as the source for the new disk.
// This value uses the following format:
// "projects/{projectName}/global/snapshots/{snapshotName}"
String snapshotLink = String.format("projects/%s/global/snapshots/%s", projectId,
"SNAPSHOT_NAME");
createDiskFromSnapshot(projectId, zone, diskName, diskType, diskSizeGb, snapshotLink);
}
// Creates a new disk in a project in given zone, using a snapshot.
public static void createDiskFromSnapshot(String projectId, String zone, String diskName,
String diskType, long diskSizeGb, String snapshotLink)
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 `disksClient.close()` method on the client to safely
// clean up any remaining background resources.
try (DisksClient disksClient = DisksClient.create()) {
// Set the disk properties and the source snapshot.
Disk disk = Disk.newBuilder()
.setName(diskName)
.setZone(zone)
.setSizeGb(diskSizeGb)
.setType(diskType)
.setSourceSnapshot(snapshotLink)
.build();
// Create the insert disk request.
InsertDiskRequest insertDiskRequest = InsertDiskRequest.newBuilder()
.setProject(projectId)
.setZone(zone)
.setDiskResource(disk)
.build();
// Wait for the create disk operation to complete.
Operation response = disksClient.insertAsync(insertDiskRequest)
.get(3, TimeUnit.MINUTES);
if (response.hasError()) {
System.out.println("Disk creation failed!" + response);
return;
}
System.out.println("Disk created. Operation Status: " + response.getStatus());
}
}
}Node.js
이 샘플을 사용해 보기 전에 Compute Engine 빠른 시작: 클라이언트 라이브러리 사용의 Node.js 설정 안내를 따르세요. 자세한 내용은 Compute Engine Node.js API 참조 문서를 확인하세요.
Compute Engine에 인증하려면 애플리케이션 기본 사용자 인증 정보를 설정합니다. 자세한 내용은 로컬 개발 환경의 인증 설정을 참조하세요.
/**
* TODO(developer): Uncomment and replace these variables before running the sample.
*/
// const projectId = 'YOUR_PROJECT_ID';
// const zone = 'europe-central2-b';
// const diskName = 'YOUR_DISK_NAME';
// const diskType = 'zones/us-west3-b/diskTypes/pd-ssd';
// const diskSizeGb = 10;
// const snapshotLink = 'projects/project_name/global/snapshots/snapshot_name';
const compute = require('@google-cloud/compute');
async function createDiskFromSnapshot() {
const disksClient = new compute.DisksClient();
const [response] = await disksClient.insert({
project: projectId,
zone,
diskResource: {
sizeGb: diskSizeGb,
name: diskName,
zone,
type: diskType,
sourceSnapshot: snapshotLink,
},
});
let operation = response.latestResponse;
const operationsClient = new compute.ZoneOperationsClient();
// Wait for the create disk operation to complete.
while (operation.status !== 'DONE') {
[operation] = await operationsClient.wait({
operation: operation.name,
project: projectId,
zone: operation.zone.split('/').pop(),
});
}
console.log('Disk created.');
}
createDiskFromSnapshot();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 create_disk_from_snapshot(
project_id: str,
zone: str,
disk_name: str,
disk_type: str,
disk_size_gb: int,
snapshot_link: str,
) -> compute_v1.Disk:
"""
Creates a new disk in a project in given zone.
Args:
project_id: project ID or project number of the Cloud project you want to use.
zone: name of the zone in which you want to create the disk.
disk_name: name of the disk you want to create.
disk_type: the type of disk you want to create. This value uses the following format:
"zones/{zone}/diskTypes/(pd-standard|pd-ssd|pd-balanced|pd-extreme)".
For example: "zones/us-west3-b/diskTypes/pd-ssd"
disk_size_gb: size of the new disk in gigabytes
snapshot_link: a link to the snapshot you want to use as a source for the new disk.
This value uses the following format: "projects/{project_name}/global/snapshots/{snapshot_name}"
Returns:
An unattached Disk instance.
"""
disk_client = compute_v1.DisksClient()
disk = compute_v1.Disk()
disk.zone = zone
disk.size_gb = disk_size_gb
disk.source_snapshot = snapshot_link
disk.type_ = disk_type
disk.name = disk_name
operation = disk_client.insert(project=project_id, zone=zone, disk_resource=disk)
wait_for_extended_operation(operation, "disk creation")
return disk_client.get(project=project_id, zone=zone, disk=disk_name)
다음 단계
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