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如需查看包含此代码示例的详细文档，请参阅以下内容：
代码示例
Go
试用此示例之前，请按照《Compute Engine 快速入门：使用客户端库》中的 Go 设置说明进行操作。如需了解详情，请参阅 Compute Engine Go API 参考文档。
如需向 Compute Engine 进行身份验证，请设置应用默认凭据。 如需了解详情，请参阅为本地开发环境设置身份验证。
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"
)
// createTemplateWithSubnet creates an instance template that uses a provided subnet.
func createTemplateWithSubnet(w io.Writer, projectID, network, subnetwork, templateName string) error {
// projectID := "your_project_id"
// network := "projects/project/global/networks/network"
// subnetwork := "projects/project/regions/region/subnetworks/subnetwork"
// templateName := "your_template_name"
ctx := context.Background()
instanceTemplatesClient, err := compute.NewInstanceTemplatesRESTClient(ctx)
if err != nil {
return fmt.Errorf("NewInstanceTemplatesRESTClient: %w", err)
}
defer instanceTemplatesClient.Close()
req := &computepb.InsertInstanceTemplateRequest{
Project: projectID,
InstanceTemplateResource: &computepb.InstanceTemplate{
Name: proto.String(templateName),
Properties: &computepb.InstanceProperties{
// The template describes the size and source image of the boot disk
// to attach to the instance.
Disks: []*computepb.AttachedDisk{
{
InitializeParams: &computepb.AttachedDiskInitializeParams{
DiskSizeGb: proto.Int64(250),
SourceImage: proto.String("projects/debian-cloud/global/images/family/debian-11"),
},
AutoDelete: proto.Bool(true),
Boot: proto.Bool(true),
},
},
MachineType: proto.String("e2-standard-4"),
// The template connects the instance to the specified network and subnetwork.
NetworkInterfaces: []*computepb.NetworkInterface{
{
Network: proto.String(network),
Subnetwork: proto.String(subnetwork),
},
},
},
},
}
op, err := instanceTemplatesClient.Insert(ctx, req)
if err != nil {
return fmt.Errorf("unable to create instance template: %w", err)
}
if err = op.Wait(ctx); err != nil {
return fmt.Errorf("unable to wait for the operation: %w", err)
}
fmt.Fprintf(w, "Instance template created\n")
return nil
}
Java
试用此示例之前，请按照《Compute Engine 快速入门：使用客户端库》中的 Java 设置说明进行操作。如需了解详情，请参阅 Compute Engine Java API 参考文档。
如需向 Compute Engine 进行身份验证，请设置应用默认凭据。 如需了解详情，请参阅为本地开发环境设置身份验证。
import com.google.cloud.compute.v1.AttachedDisk;
import com.google.cloud.compute.v1.AttachedDiskInitializeParams;
import com.google.cloud.compute.v1.GlobalOperationsClient;
import com.google.cloud.compute.v1.InsertInstanceTemplateRequest;
import com.google.cloud.compute.v1.InstanceProperties;
import com.google.cloud.compute.v1.InstanceTemplate;
import com.google.cloud.compute.v1.InstanceTemplatesClient;
import com.google.cloud.compute.v1.NetworkInterface;
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 CreateTemplateWithSubnet {
public static void main(String[] args)
throws IOException, ExecutionException, InterruptedException, TimeoutException {
/*
TODO(developer): Replace these variables before running the sample.
projectId: project ID or project number of the Cloud project you use.
network: the network to be used in the new template. This value uses
the following format: "projects/{project}/global/networks/{network}"
subnetwork: the subnetwork to be used in the new template. This value
uses the following format: "projects/{project}/regions/{region}/subnetworks/{subnetwork}"
templateName: name of the new template to create.
*/
String projectId = "your-project-id";
String network = String.format("projects/%s/global/networks/%s", projectId, "network");
String subnetwork = String.format("projects/%s/regions/%s/subnetworks/%s", projectId, "region",
"subnetwork");
String templateName = "template-name";
createTemplateWithSubnet(projectId, network, subnetwork, templateName);
}
// Create an instance template that uses a provided subnet.
public static void createTemplateWithSubnet(String projectId, String network, String subnetwork,
String templateName)
throws IOException, ExecutionException, InterruptedException, TimeoutException {
try (InstanceTemplatesClient instanceTemplatesClient = InstanceTemplatesClient.create();
GlobalOperationsClient globalOperationsClient = GlobalOperationsClient.create()) {
AttachedDisk disk = AttachedDisk.newBuilder()
.setInitializeParams(AttachedDiskInitializeParams.newBuilder()
.setSourceImage(
String.format("projects/%s/global/images/family/%s", "debian-cloud", "debian-11"))
.setDiskSizeGb(250).build())
.setAutoDelete(true)
.setBoot(true)
.build();
InstanceProperties instanceProperties = InstanceProperties.newBuilder()
.addDisks(disk)
.setMachineType("e2-standard-4")
.addNetworkInterfaces(NetworkInterface.newBuilder()
.setNetwork(network)
.setSubnetwork(subnetwork).build())
.build();
InstanceTemplate instanceTemplate = InstanceTemplate.newBuilder()
.setName(templateName)
.setProperties(instanceProperties)
.build();
InsertInstanceTemplateRequest insertInstanceTemplateRequest = InsertInstanceTemplateRequest
.newBuilder()
.setProject(projectId)
.setInstanceTemplateResource(instanceTemplate)
.build();
Operation operation = instanceTemplatesClient.insertCallable()
.futureCall(insertInstanceTemplateRequest).get(3, TimeUnit.MINUTES);
Operation response = globalOperationsClient.wait(projectId, operation.getName());
if (response.hasError()) {
System.out.println("Template creation from subnet failed ! ! " + response);
return;
}
System.out.printf("Template creation from subnet operation status %s: %s", templateName,
response.getStatus());
}
}
}Node.js
试用此示例之前，请按照《Compute Engine 快速入门：使用客户端库》中的 Node.js 设置说明进行操作。如需了解详情，请参阅 Compute Engine Node.js API 参考文档。
如需向 Compute Engine 进行身份验证，请设置应用默认凭据。 如需了解详情，请参阅为本地开发环境设置身份验证。
/**
* TODO(developer): Uncomment and replace these variables before running the sample.
*/
// const projectId = 'YOUR_PROJECT_ID';
// const network = 'projects/project/global/networks/network';
// const subnetwork = 'projects/project/regions/region/subnetworks/subnetwork';
// const templateName = 'your_template_name';
const compute = require('@google-cloud/compute');
// Create an instance template that uses a provided subnet.
async function createTemplateWithSubnet() {
const instanceTemplatesClient = new compute.InstanceTemplatesClient();
const [response] = await instanceTemplatesClient.insert({
project: projectId,
instanceTemplateResource: {
name: templateName,
properties: {
// The template describes the size and source image of the boot disk
// to attach to the instance.
disks: [
{
// The template describes the size and source image of the boot disk
// to attach to the instance.
initializeParams: {
diskSizeGb: '250',
sourceImage:
'projects/debian-cloud/global/images/family/debian-11',
},
autoDelete: true,
boot: true,
},
],
machineType: 'e2-standard-4',
// The template connects the instance to the specified network and subnetwork.
networkInterfaces: [
{
network,
subnetwork,
},
],
},
},
});
let operation = response.latestResponse;
const operationsClient = new compute.GlobalOperationsClient();
// Wait for the create operation to complete.
while (operation.status !== 'DONE') {
[operation] = await operationsClient.wait({
operation: operation.name,
project: projectId,
});
}
console.log('Instance template created.');
}
createTemplateWithSubnet();Python
试用此示例之前，请按照《Compute Engine 快速入门：使用客户端库》中的 Python 设置说明进行操作。如需了解详情，请参阅 Compute Engine Python API 参考文档。
如需向 Compute Engine 进行身份验证，请设置应用默认凭据。 如需了解详情，请参阅为本地开发环境设置身份验证。
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_template_with_subnet(
project_id: str, network: str, subnetwork: str, template_name: str
) -> compute_v1.InstanceTemplate:
"""
Create an instance template that uses a provided subnet.
Args:
project_id: project ID or project number of the Cloud project you use.
network: the network to be used in the new template. This value uses
the following format: "projects/{project}/global/networks/{network}"
subnetwork: the subnetwork to be used in the new template. This value
uses the following format: "projects/{project}/regions/{region}/subnetworks/{subnetwork}"
template_name: name of the new template to create.
Returns:
InstanceTemplate object that represents the new instance template.
"""
# The template describes the size and source image of the book disk to
# attach to the instance.
disk = compute_v1.AttachedDisk()
initialize_params = compute_v1.AttachedDiskInitializeParams()
initialize_params.source_image = (
"projects/debian-cloud/global/images/family/debian-11"
)
initialize_params.disk_size_gb = 250
disk.initialize_params = initialize_params
disk.auto_delete = True
disk.boot = True
template = compute_v1.InstanceTemplate()
template.name = template_name
template.properties = compute_v1.InstanceProperties()
template.properties.disks = [disk]
template.properties.machine_type = "e2-standard-4"
# The template connects the instance to the specified network and subnetwork.
network_interface = compute_v1.NetworkInterface()
network_interface.network = network
network_interface.subnetwork = subnetwork
template.properties.network_interfaces = [network_interface]
template_client = compute_v1.InstanceTemplatesClient()
operation = template_client.insert(
project=project_id, instance_template_resource=template
)
wait_for_extended_operation(operation, "instance template creation")
return template_client.get(project=project_id, instance_template=template_name)
后续步骤
如需搜索和过滤其他 Google Cloud 产品的代码示例，请参阅 Google Cloud 示例浏览器。