管理模型

创建自定义模型的方法，是使用准备好的 数据集对其进行训练。 AutoML Vision 使用数据集中的条目来训练、测试模型并 evaluate 其性能。您可以查看结果、根据需要调整训练数据集，并使用改进的数据集训练新模型。

训练模型可能需要几个小时才能完成。借助 AutoML API，您可以查看训练的状态。

每次开始训练时，AutoML Vision 都会创建新模型，因此您的项目可能包含大量模型。您可以获取项目中模型的列表并删除不再需要的模型。

• 自正式版发布之日起，自定义模型的最长使用期限为 18 个月。该时间期限过后，您必须创建并训练新模型，才能继续对内容进行分类。

• 对于在线预测和批量预测，predict 和 batchPredict API 调用分别纳入了我们的服务等级协议的涵盖范围。对于在线预测，模型必须部署在 2 个或更多节点上。如需了解如何更新模型的节点编号，请参阅下面的部分。

  对于在线预测和批量预测，都不能超出模型的使用期限。

  所有其他条款均如服务等级协议中所述。

• 使用带有用户定义元数据的标签来组织您的models。如需详细了解标签（包括常见用途），请参阅使用标签组织 Google Cloud Platform 资源。

列出模型

本部分介绍如何检索项目的可用模型列表。

注意：您也可以在列出资源、操作和指标时进行过滤。如需了解过滤，请参阅列出时过滤。

网页界面

如需使用 Vision Dashboard查看可用模型的列表，请点击左侧导航栏中的灯泡图标。

要查看其他项目的模型，请从标题栏右上角的下拉列表中选择该项目。

REST

在使用任何请求数据之前，请先进行以下替换：

• project-id：您的 GCP 项目 ID。

HTTP 方法和网址：

GET https://automl.googleapis.com/v1/projects/PROJECT_ID/locations/us-central1/models

如需发送请求，请选择以下方式之一：

curl

注意：以下命令假定您已使用您的用户账号通过运行 gcloud init 或 gcloud auth login 登录 gcloud CLI，或者使用了 Cloud Shell，这会使您自动登录 gcloud CLI。您可以运行 gcloud auth list 来检查当前活跃的账号。

执行以下命令：

curl -X GET \
     -H "Authorization: Bearer $(gcloud auth print-access-token)" \
     -H "x-goog-user-project: project-id" \
     "https://automl.googleapis.com/v1/projects/PROJECT_ID/locations/us-central1/models"

PowerShell

注意：以下命令假定您已登录gcloud请使用您的用户账号来运行以下命令：gcloud init 或 gcloud auth login . 您可以运行 gcloud auth list 来检查当前活跃的账号。

执行以下命令：

$cred = gcloud auth print-access-token
$headers = @{ "Authorization" = "Bearer $cred"; "x-goog-user-project" = "project-id" }

Invoke-WebRequest `
    -Method GET `
    -Headers $headers `
    -Uri "https://automl.googleapis.com/v1/projects/PROJECT_ID/locations/us-central1/models" | Select-Object -Expand Content

您应该收到类似以下示例的 JSON 响应。此响应会显示有关两个云托管模型的信息。

    {
  "model": [
    {
      "name": "projects/project-id/locations/us-central1/models/model-id-1",
      "displayName": "display-name-1",
      "datasetId": "dataset-id",
      "createTime": "2019-10-30T20:06:08.253243Z",
      "deploymentState": "UNDEPLOYED",
      "updateTime": "2019-10-30T20:54:50.472328Z",
      "imageClassificationModelMetadata": {
        "trainBudget": "1",
        "modelType": "mobile-low-latency-1",
        "nodeQps": 3.2
      }
    },
    {
      "name": "projects/project-id/locations/us-central1/models/model-id-2",
      "displayName": "display-name-2",
      "datasetId": "dataset-id",
      "createTime": "2019-10-29T19:06:38.048492Z",
      "deploymentState": "UNDEPLOYED",
      "updateTime": "2019-10-29T19:35:19.104716Z",
      "imageClassificationModelMetadata": {
        "trainBudget": "1",
        "modelType": "cloud",
        "nodeQps": 3.2
      }
    }
  ]
}

Go

在试用此示例之前，请按照客户端库页面中与此编程语言对应的设置说明执行操作。

import (
	"context"
	"fmt"
	"io"

	automl "cloud.google.com/go/automl/apiv1"
	"cloud.google.com/go/automl/apiv1/automlpb"
	"google.golang.org/api/iterator"
)

// listModels lists existing models.
func listModels(w io.Writer, projectID string, location string) error {
	// projectID := "my-project-id"
	// location := "us-central1"

	ctx := context.Background()
	client, err := automl.NewClient(ctx)
	if err != nil {
		return fmt.Errorf("NewClient: %w", err)
	}
	defer client.Close()

	req := &automlpb.ListModelsRequest{
		Parent: fmt.Sprintf("projects/%s/locations/%s", projectID, location),
	}

	it := client.ListModels(ctx, req)

	// Iterate over all results
	for {
		model, err := it.Next()
		if err == iterator.Done {
			break
		}
		if err != nil {
			return fmt.Errorf("ListModels.Next: %w", err)
		}

		// Retrieve deployment state.
		deploymentState := "undeployed"
		if model.GetDeploymentState() == automlpb.Model_DEPLOYED {
			deploymentState = "deployed"
		}

		// Display the model information.
		fmt.Fprintf(w, "Model name: %v\n", model.GetName())
		fmt.Fprintf(w, "Model display name: %v\n", model.GetDisplayName())
		fmt.Fprintf(w, "Model create time:\n")
		fmt.Fprintf(w, "\tseconds: %v\n", model.GetCreateTime().GetSeconds())
		fmt.Fprintf(w, "\tnanos: %v\n", model.GetCreateTime().GetNanos())
		fmt.Fprintf(w, "Model deployment state: %v\n", deploymentState)
	}

	return nil
}

Java

在试用此示例之前，请按照客户端库页面中与此编程语言对应的设置说明执行操作。

import com.google.cloud.automl.v1.AutoMlClient;
import com.google.cloud.automl.v1.ListModelsRequest;
import com.google.cloud.automl.v1.LocationName;
import com.google.cloud.automl.v1.Model;
import java.io.IOException;

class ListModels {

  static void listModels() throws IOException {
    // TODO(developer): Replace these variables before running the sample.
    String projectId = "YOUR_PROJECT_ID";
    listModels(projectId);
  }

  // List the models available in the specified location
  static void listModels(String projectId) throws IOException {
    // 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 "close" method on the client to safely clean up any remaining background resources.
    try (AutoMlClient client = AutoMlClient.create()) {
      // A resource that represents Google Cloud Platform location.
      LocationName projectLocation = LocationName.of(projectId, "us-central1");

      // Create list models request.
      ListModelsRequest listModelsRequest =
          ListModelsRequest.newBuilder()
              .setParent(projectLocation.toString())
              .setFilter("")
              .build();

      // List all the models available in the region by applying filter.
      System.out.println("List of models:");
      for (Model model : client.listModels(listModelsRequest).iterateAll()) {
        // Display the model information.
        System.out.format("Model name: %s\n", model.getName());
        // To get the model id, you have to parse it out of the `name` field. As models Ids are
        // required for other methods.
        // Name Format: `projects/{project_id}/locations/{location_id}/models/{model_id}`
        String[] names = model.getName().split("/");
        String retrievedModelId = names[names.length - 1];
        System.out.format("Model id: %s\n", retrievedModelId);
        System.out.format("Model display name: %s\n", model.getDisplayName());
        System.out.println("Model create time:");
        System.out.format("\tseconds: %s\n", model.getCreateTime().getSeconds());
        System.out.format("\tnanos: %s\n", model.getCreateTime().getNanos());
        System.out.format("Model deployment state: %s\n", model.getDeploymentState());
      }
    }
  }
}

Node.js

在试用此示例之前，请按照客户端库页面中与此编程语言对应的设置说明执行操作。

/**
 * TODO(developer): Uncomment these variables before running the sample.
 */
// const projectId = 'YOUR_PROJECT_ID';
// const location = 'us-central1';

// Imports the Google Cloud AutoML library
const {AutoMlClient} = require('@google-cloud/automl').v1;

// Instantiates a client
const client = new AutoMlClient();

async function listModels() {
  // Construct request
  const request = {
    parent: client.locationPath(projectId, location),
    filter: 'translation_model_metadata:*',
  };

  const [response] = await client.listModels(request);

  console.log('List of models:');
  for (const model of response) {
    console.log(`Model name: ${model.name}`);
    console.log(`
      Model id: ${model.name.split('/')[model.name.split('/').length - 1]}`);
    console.log(`Model display name: ${model.displayName}`);
    console.log('Model create time');
    console.log(`\tseconds ${model.createTime.seconds}`);
    console.log(`\tnanos ${model.createTime.nanos / 1e9}`);
    console.log(`Model deployment state: ${model.deploymentState}`);
  }
}

listModels();

Python

在试用此示例之前，请按照客户端库页面中与此编程语言对应的设置说明执行操作。

from google.cloud import automl

# TODO(developer): Uncomment and set the following variables
# project_id = "YOUR_PROJECT_ID"

client = automl.AutoMlClient()
# A resource that represents Google Cloud Platform location.
project_location = f"projects/{project_id}/locations/us-central1"

request = automl.ListModelsRequest(parent=project_location, filter="")
response = client.list_models(request=request)

print("List of models:")
for model in response:
    # Display the model information.
    if model.deployment_state == automl.Model.DeploymentState.DEPLOYED:
        deployment_state = "deployed"
    else:
        deployment_state = "undeployed"

    print(f"Model name: {model.name}")
    print("Model id: {}".format(model.name.split("/")[-1]))
    print(f"Model display name: {model.display_name}")
    print(f"Model create time: {model.create_time}")
    print(f"Model deployment state: {deployment_state}")

其他语言

C#： 请按照客户端库页面上的 C# 设置说明操作，然后访问 .NET 版 AutoML Vision 参考文档。

PHP： 请按照客户端库页面上的 PHP 设置说明操作，然后访问 PHP 版 AutoML Vision 参考文档。

Ruby 版： 请按照客户端库页面上的 Ruby 设置说明操作，然后访问 Ruby 版 AutoML Vision 参考文档。

获取模型的相关信息

使用以下代码示例获取有关特定的训练后模型的信息。您可以使用此请求返回的信息来修改模式或发送预测请求。

本部分中的示例返回模型的基本元数据。如需详细了解模型的准确率和就绪情况，请参阅“评估模型”主题。

REST

在使用任何请求数据之前，请先进行以下替换：

• project-id：您的 GCP 项目 ID。
• model-id：您的模型的 ID（从创建模型时返回的响应中获取）。此 ID 是模型名称的最后一个元素。 例如：
  • 模型名称：projects/project-id/locations/location-id/models/IOD4412217016962778756
  • 模型 ID：IOD4412217016962778756

HTTP 方法和网址：

GET https://automl.googleapis.com/v1/projects/project-id/locations/us-central1/models/model-id

如需发送请求，请选择以下方式之一：

curl

注意：以下命令假定您已使用您的用户账号通过运行 gcloud init 或 gcloud auth login 登录 gcloud CLI，或者使用了 Cloud Shell，这会使您自动登录 gcloud CLI。您可以运行 gcloud auth list 来检查当前活跃的账号。

执行以下命令：

curl -X GET \
     -H "Authorization: Bearer $(gcloud auth print-access-token)" \
     -H "x-goog-user-project: project-id" \
     "https://automl.googleapis.com/v1/projects/project-id/locations/us-central1/models/model-id"

PowerShell

注意：以下命令假定您已登录gcloud请使用您的用户账号来运行以下命令：gcloud init 或 gcloud auth login . 您可以运行 gcloud auth list 来检查当前活跃的账号。

执行以下命令：

$cred = gcloud auth print-access-token
$headers = @{ "Authorization" = "Bearer $cred"; "x-goog-user-project" = "project-id" }

Invoke-WebRequest `
    -Method GET `
    -Headers $headers `
    -Uri "https://automl.googleapis.com/v1/projects/project-id/locations/us-central1/models/model-id" | Select-Object -Expand Content

您应该收到类似以下内容的 JSON 响应：

    {
  "name": "projects/project-id/locations/us-central1/models/model-id",
  "displayName": "display-name",
  "datasetId": "dataset-id",
  "createTime": "2019-10-29T19:06:38.048492Z",
  "deploymentState": "UNDEPLOYED",
  "updateTime": "2019-10-29T19:35:19.104716Z",
  "imageClassificationModelMetadata": {
    "trainBudget": "1",
    "modelType": "cloud",
    "nodeQps": 3.2
  }
}

Go

在试用此示例之前，请按照客户端库页面中与此编程语言对应的设置说明执行操作。

import (
	"context"
	"fmt"
	"io"

	automl "cloud.google.com/go/automl/apiv1"
	"cloud.google.com/go/automl/apiv1/automlpb"
)

// getModel gets a model.
func getModel(w io.Writer, projectID string, location string, modelID string) error {
	// projectID := "my-project-id"
	// location := "us-central1"
	// modelID := "TRL123456789..."

	ctx := context.Background()
	client, err := automl.NewClient(ctx)
	if err != nil {
		return fmt.Errorf("NewClient: %w", err)
	}
	defer client.Close()

	req := &automlpb.GetModelRequest{
		Name: fmt.Sprintf("projects/%s/locations/%s/models/%s", projectID, location, modelID),
	}

	model, err := client.GetModel(ctx, req)
	if err != nil {
		return fmt.Errorf("GetModel: %w", err)
	}

	// Retrieve deployment state.
	deploymentState := "undeployed"
	if model.GetDeploymentState() == automlpb.Model_DEPLOYED {
		deploymentState = "deployed"
	}

	// Display the model information.
	fmt.Fprintf(w, "Model name: %v\n", model.GetName())
	fmt.Fprintf(w, "Model display name: %v\n", model.GetDisplayName())
	fmt.Fprintf(w, "Model create time:\n")
	fmt.Fprintf(w, "\tseconds: %v\n", model.GetCreateTime().GetSeconds())
	fmt.Fprintf(w, "\tnanos: %v\n", model.GetCreateTime().GetNanos())
	fmt.Fprintf(w, "Model deployment state: %v\n", deploymentState)

	return nil
}

Java

在试用此示例之前，请按照客户端库页面中与此编程语言对应的设置说明执行操作。

import com.google.cloud.automl.v1.AutoMlClient;
import com.google.cloud.automl.v1.Model;
import com.google.cloud.automl.v1.ModelName;
import java.io.IOException;

class GetModel {

  static void getModel() throws IOException {
    // TODO(developer): Replace these variables before running the sample.
    String projectId = "YOUR_PROJECT_ID";
    String modelId = "YOUR_MODEL_ID";
    getModel(projectId, modelId);
  }

  // Get a model
  static void getModel(String projectId, String modelId) throws IOException {
    // 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 "close" method on the client to safely clean up any remaining background resources.
    try (AutoMlClient client = AutoMlClient.create()) {
      // Get the full path of the model.
      ModelName modelFullId = ModelName.of(projectId, "us-central1", modelId);
      Model model = client.getModel(modelFullId);

      // Display the model information.
      System.out.format("Model name: %s\n", model.getName());
      // To get the model id, you have to parse it out of the `name` field. As models Ids are
      // required for other methods.
      // Name Format: `projects/{project_id}/locations/{location_id}/models/{model_id}`
      String[] names = model.getName().split("/");
      String retrievedModelId = names[names.length - 1];
      System.out.format("Model id: %s\n", retrievedModelId);
      System.out.format("Model display name: %s\n", model.getDisplayName());
      System.out.println("Model create time:");
      System.out.format("\tseconds: %s\n", model.getCreateTime().getSeconds());
      System.out.format("\tnanos: %s\n", model.getCreateTime().getNanos());
      System.out.format("Model deployment state: %s\n", model.getDeploymentState());
    }
  }
}

Node.js

在试用此示例之前，请按照客户端库页面中与此编程语言对应的设置说明执行操作。

/**
 * TODO(developer): Uncomment these variables before running the sample.
 */
// const projectId = 'YOUR_PROJECT_ID';
// const location = 'us-central1';
// const modelId = 'YOUR_MODEL_ID';

// Imports the Google Cloud AutoML library
const {AutoMlClient} = require('@google-cloud/automl').v1;

// Instantiates a client
const client = new AutoMlClient();

async function getModel() {
  // Construct request
  const request = {
    name: client.modelPath(projectId, location, modelId),
  };

  const [response] = await client.getModel(request);

  console.log(`Model name: ${response.name}`);
  console.log(
    `Model id: ${
      response.name.split('/')[response.name.split('/').length - 1]
    }`
  );
  console.log(`Model display name: ${response.displayName}`);
  console.log('Model create time');
  console.log(`\tseconds ${response.createTime.seconds}`);
  console.log(`\tnanos ${response.createTime.nanos / 1e9}`);
  console.log(`Model deployment state: ${response.deploymentState}`);
}

getModel();

Python

在试用此示例之前，请按照客户端库页面中与此编程语言对应的设置说明执行操作。

from google.cloud import automl

# TODO(developer): Uncomment and set the following variables
# project_id = "YOUR_PROJECT_ID"
# model_id = "YOUR_MODEL_ID"

client = automl.AutoMlClient()
# Get the full path of the model.
model_full_id = client.model_path(project_id, "us-central1", model_id)
model = client.get_model(name=model_full_id)

# Retrieve deployment state.
if model.deployment_state == automl.Model.DeploymentState.DEPLOYED:
    deployment_state = "deployed"
else:
    deployment_state = "undeployed"

# Display the model information.
print(f"Model name: {model.name}")
print("Model id: {}".format(model.name.split("/")[-1]))
print(f"Model display name: {model.display_name}")
print(f"Model create time: {model.create_time}")
print(f"Model deployment state: {deployment_state}")

其他语言

C#： 请按照客户端库页面上的 C# 设置说明操作，然后访问 .NET 版 AutoML Vision Object Detection 参考文档。

PHP： 请按照客户端库页面上的 PHP 设置说明操作，然后访问 PHP 版 AutoML Vision Object Detection 参考文档。

Ruby 版： 请按照客户端库页面上的 Ruby 设置说明操作，然后访问 Ruby 版 AutoML Vision Object Detection 参考文档。

更新模型的节点编号

如果您拥有经过训练的已部署模型，可以更新部署模型的节点数量，以响应您的特定流量。例如，如果您遇到的每秒查询次数 (QPS) 高于预期。

您可以在不必首先取消部署的情况下更改此节点数量。更新部署将更改节点数量，而不会中断您处理的预测流量。

节点数将受“配额”页面上列出的配额限制；默认情况下，一个用户最多可以获得 10 个节点。

网页界面

1. 在 Vision Dashboard 中，选择左侧导航栏中的模型标签页以显示可用的模型。

   如需查看其他项目的模型，请从标题栏右上角的下拉列表中选择该项目。

2. 选择已部署的经过训练的模型。
3. 选择标题栏正下方的测试和使用标签页。

4. 页面顶部的框中将显示一条消息，其内容是“您的模型已部署，可用于在线预测请求”。选择此文本旁边的更新部署选项。

   
5. 在打开的更新部署窗口中，从列表中选择用于部署模型的新节点数量。节点数量显示其估算的每秒预测查询次数 (QPS)。

6. 从列表中选择新节点数量后，选择更新部署以更新用于部署模型的节点数。

   
7. 您将返回到测试和使用窗口，此时您会看到显示“正在部署模型…”的文本框。
   注意：这与模型的初始部署类似。
   

8. 模型成功部署到新的节点数量后，您会在与项目关联的地址处收到一封电子邮件。

REST

最初部署模型时所用的方法也会用于更改已部署模型的节点编号。

在使用任何请求数据之前，请先进行以下替换：

• project-id：您的 GCP 项目 ID。
• model-id：您的模型的 ID（从创建模型时返回的响应中获取）。此 ID 是模型名称的最后一个元素。 例如：
  • 模型名称：projects/project-id/locations/location-id/models/IOD4412217016962778756
  • 模型 ID：IOD4412217016962778756

字段注意事项：

• nodeCount - 需要在其上部署模型的节点的数量。值必须介于 1 到 100 之间，包括 1 和 100。节点是机器资源的抽象，可处理模型的 qps_per_node 中指定的每秒在线预测查询次数 (QPS)。

注意：节点数量将受配额页面上列出的配额的限制；默认情况下，用户最多可以获得 10 个节点。

HTTP 方法和网址：

POST https://automl.googleapis.com/v1/projects/PROJECT_ID/locations/us-central1/models/MODEL_ID:deploy

请求 JSON 正文：

{
  "imageClassificationModelDeploymentMetadata": {
    "nodeCount": 2
  }
}

如需发送请求，请选择以下方式之一：

curl

注意：以下命令假定您已使用您的用户账号通过运行 gcloud init 或 gcloud auth login 登录 gcloud CLI，或者使用了 Cloud Shell，这会使您自动登录 gcloud CLI。您可以运行 gcloud auth list 来检查当前活跃的账号。

将请求正文保存在名为 request.json 的文件中，然后执行以下命令：

curl -X POST \
     -H "Authorization: Bearer $(gcloud auth print-access-token)" \
     -H "x-goog-user-project: project-id" \
     -H "Content-Type: application/json; charset=utf-8" \
     -d @request.json \
     "https://automl.googleapis.com/v1/projects/PROJECT_ID/locations/us-central1/models/MODEL_ID:deploy"

PowerShell

注意：以下命令假定您已登录gcloud请使用您的用户账号来运行以下命令：gcloud init 或 gcloud auth login . 您可以运行 gcloud auth list 来检查当前活跃的账号。

将请求正文保存在名为 request.json 的文件中，然后执行以下命令：

$cred = gcloud auth print-access-token
$headers = @{ "Authorization" = "Bearer $cred"; "x-goog-user-project" = "project-id" }

Invoke-WebRequest `
    -Method POST `
    -Headers $headers `
    -ContentType: "application/json; charset=utf-8" `
    -InFile request.json `
    -Uri "https://automl.googleapis.com/v1/projects/PROJECT_ID/locations/us-central1/models/MODEL_ID:deploy" | Select-Object -Expand Content

您应该会看到类似如下所示的输出。可以使用操作 ID 来获取任务的状态。如需查看示例，请参阅处理长时间运行的操作。

{
  "name": "projects/PROJECT_ID/locations/us-central1/operations/OPERATION_ID",
  "metadata": {
    "@type": "type.googleapis.com/google.cloud.automl.v1.OperationMetadata",
    "createTime": "2019-08-07T22:00:20.692109Z",
    "updateTime": "2019-08-07T22:00:20.692109Z",
    "deployModelDetails": {}
  }
}

您可以通过以下 HTTP 方法和网址获取操作的状态：

GET https://automl.googleapis.com/v1/projects/PROJECT_ID/locations/us-central1/operations/OPERATION_ID

操作完成的状态将类似于以下内容：

{
  "name": "projects/PROJECT_ID/locations/us-central1/operations/OPERATION_ID",
  "metadata": {
    "@type": "type.googleapis.com/google.cloud.automl.v1.OperationMetadata",
    "createTime": "2019-06-21T16:47:21.704674Z",
    "updateTime": "2019-06-21T17:01:00.802505Z",
    "deployModelDetails": {}
  },
  "done": true,
  "response": {
    "@type": "type.googleapis.com/google.protobuf.Empty"
  }
}

Go

在试用此示例之前，请按照客户端库页面中与此编程语言对应的设置说明执行操作。

import (
	"context"
	"fmt"
	"io"

	automl "cloud.google.com/go/automl/apiv1"
	"cloud.google.com/go/automl/apiv1/automlpb"
)

// visionClassificationDeployModelWithNodeCount deploys a model with node count.
func visionClassificationDeployModelWithNodeCount(w io.Writer, projectID string, location string, modelID string) error {
	// projectID := "my-project-id"
	// location := "us-central1"
	// modelID := "ICN123456789..."

	ctx := context.Background()
	client, err := automl.NewClient(ctx)
	if err != nil {
		return fmt.Errorf("NewClient: %w", err)
	}
	defer client.Close()

	req := &automlpb.DeployModelRequest{
		Name: fmt.Sprintf("projects/%s/locations/%s/models/%s", projectID, location, modelID),
		ModelDeploymentMetadata: &automlpb.DeployModelRequest_ImageClassificationModelDeploymentMetadata{
			ImageClassificationModelDeploymentMetadata: &automlpb.ImageClassificationModelDeploymentMetadata{
				NodeCount: 2,
			},
		},
	}

	op, err := client.DeployModel(ctx, req)
	if err != nil {
		return fmt.Errorf("DeployModel: %w", err)
	}
	fmt.Fprintf(w, "Processing operation name: %q\n", op.Name())

	if err := op.Wait(ctx); err != nil {
		return fmt.Errorf("Wait: %w", err)
	}

	fmt.Fprintf(w, "Model deployed.\n")

	return nil
}

Java

在试用此示例之前，请按照客户端库页面中与此编程语言对应的设置说明执行操作。

import com.google.api.gax.longrunning.OperationFuture;
import com.google.cloud.automl.v1.AutoMlClient;
import com.google.cloud.automl.v1.DeployModelRequest;
import com.google.cloud.automl.v1.ImageClassificationModelDeploymentMetadata;
import com.google.cloud.automl.v1.ModelName;
import com.google.cloud.automl.v1.OperationMetadata;
import com.google.protobuf.Empty;
import java.io.IOException;
import java.util.concurrent.ExecutionException;

class VisionClassificationDeployModelNodeCount {

  static void visionClassificationDeployModelNodeCount()
      throws InterruptedException, ExecutionException, IOException {
    // TODO(developer): Replace these variables before running the sample.
    String projectId = "YOUR_PROJECT_ID";
    String modelId = "YOUR_MODEL_ID";
    visionClassificationDeployModelNodeCount(projectId, modelId);
  }

  // Deploy a model for prediction with a specified node count (can be used to redeploy a model)
  static void visionClassificationDeployModelNodeCount(String projectId, String modelId)
      throws IOException, ExecutionException, InterruptedException {
    // 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 "close" method on the client to safely clean up any remaining background resources.
    try (AutoMlClient client = AutoMlClient.create()) {
      // Get the full path of the model.
      ModelName modelFullId = ModelName.of(projectId, "us-central1", modelId);
      ImageClassificationModelDeploymentMetadata metadata =
          ImageClassificationModelDeploymentMetadata.newBuilder().setNodeCount(2).build();
      DeployModelRequest request =
          DeployModelRequest.newBuilder()
              .setName(modelFullId.toString())
              .setImageClassificationModelDeploymentMetadata(metadata)
              .build();
      OperationFuture<Empty, OperationMetadata> future = client.deployModelAsync(request);

      future.get();
      System.out.println("Model deployment finished");
    }
  }
}

Node.js

在试用此示例之前，请按照客户端库页面中与此编程语言对应的设置说明执行操作。

/**
 * TODO(developer): Uncomment these variables before running the sample.
 */
// const projectId = 'YOUR_PROJECT_ID';
// const location = 'us-central1';
// const modelId = 'YOUR_MODEL_ID';

// Imports the Google Cloud AutoML library
const {AutoMlClient} = require('@google-cloud/automl').v1;

// Instantiates a client
const client = new AutoMlClient();

async function deployModelWithNodeCount() {
  // Construct request
  const request = {
    name: client.modelPath(projectId, location, modelId),
    imageClassificationModelDeploymentMetadata: {
      nodeCount: 2,
    },
  };

  const [operation] = await client.deployModel(request);

  // Wait for operation to complete.
  const [response] = await operation.promise();
  console.log(`Model deployment finished. ${response}`);
}

deployModelWithNodeCount();

Python

在试用此示例之前，请按照客户端库页面中与此编程语言对应的设置说明执行操作。

from google.cloud import automl

# TODO(developer): Uncomment and set the following variables
# project_id = "YOUR_PROJECT_ID"
# model_id = "YOUR_MODEL_ID"

client = automl.AutoMlClient()
# Get the full path of the model.
model_full_id = client.model_path(project_id, "us-central1", model_id)

# node count determines the number of nodes to deploy the model on.
# https://cloud.google.com/automl/docs/reference/rpc/google.cloud.automl.v1#imageclassificationmodeldeploymentmetadata
metadata = automl.ImageClassificationModelDeploymentMetadata(node_count=2)

request = automl.DeployModelRequest(
    name=model_full_id, image_classification_model_deployment_metadata=metadata
)
response = client.deploy_model(request=request)

print(f"Model deployment finished. {response.result()}")

其他语言

C#： 请按照客户端库页面上的 C# 设置说明操作，然后访问 .NET 版 AutoML Vision 参考文档。

PHP： 请按照客户端库页面上的 PHP 设置说明操作，然后访问 PHP 版 AutoML Vision 参考文档。

Ruby 版： 请按照客户端库页面上的 Ruby 设置说明操作，然后访问 Ruby 版 AutoML Vision 参考文档。

删除模型

以下示例演示了如何删除模型。

网页界面

1. 在 Vision Dashboard中，点击左侧导航菜单中的灯泡图标以显示可用模型列表。

2. 点击待删除行最右侧的三点状菜单，然后选择删除模型。

3. 在确认对话框中点击删除。

   

REST

在使用任何请求数据之前，请先进行以下替换：

• project-id：您的 GCP 项目 ID。
• model-id：您的模型的 ID（从创建模型时返回的响应中获取）。此 ID 是模型名称的最后一个元素。 例如：
  • 模型名称：projects/project-id/locations/location-id/models/IOD4412217016962778756
  • 模型 ID：IOD4412217016962778756

HTTP 方法和网址：

DELETE https://automl.googleapis.com/v1/projects/PROJECT_ID/locations/us-
central1/models/MODEL_ID

如需发送请求，请选择以下方式之一：

curl

注意：以下命令假定您已使用您的用户账号通过运行 gcloud init 或 gcloud auth login 登录 gcloud CLI，或者使用了 Cloud Shell，这会使您自动登录 gcloud CLI。您可以运行 gcloud auth list 来检查当前活跃的账号。

执行以下命令：

curl -X DELETE \
     -H "Authorization: Bearer $(gcloud auth print-access-token)" \
     -H "x-goog-user-project: project-id" \
     "https://automl.googleapis.com/v1/projects/PROJECT_ID/locations/us-
central1/models/MODEL_ID"

PowerShell

注意：以下命令假定您已登录gcloud请使用您的用户账号来运行以下命令：gcloud init 或 gcloud auth login . 您可以运行 gcloud auth list 来检查当前活跃的账号。

执行以下命令：

$cred = gcloud auth print-access-token
$headers = @{ "Authorization" = "Bearer $cred"; "x-goog-user-project" = "project-id" }

Invoke-WebRequest `
    -Method DELETE `
    -Headers $headers `
    -Uri "https://automl.googleapis.com/v1/projects/PROJECT_ID/locations/us-
central1/models/MODEL_ID" | Select-Object -Expand Content

您应该会看到类似如下所示的输出。可以使用操作 ID 来获取任务的状态。如需查看示例，请参阅处理长时间运行的操作。

{
  "name": "projects/PROJECT_ID/locations/us-central1/operations/OPERATION_ID",
  "metadata": {
    "@type": "type.googleapis.com/google.cloud.automl.v1.OperationMetadata",
    "createTime": "2018-11-01T15:59:36.196506Z",
    "updateTime": "2018-11-01T15:59:36.196506Z",
    "deleteDetails": {}
  }
}

Go

在试用此示例之前，请按照客户端库页面中与此编程语言对应的设置说明执行操作。

import (
	"context"
	"fmt"
	"io"

	automl "cloud.google.com/go/automl/apiv1"
	"cloud.google.com/go/automl/apiv1/automlpb"
)

// deleteModel deletes a model.
func deleteModel(w io.Writer, projectID string, location string, modelID string) error {
	// projectID := "my-project-id"
	// location := "us-central1"
	// modelID := "TRL123456789..."

	ctx := context.Background()
	client, err := automl.NewClient(ctx)
	if err != nil {
		return fmt.Errorf("NewClient: %w", err)
	}
	defer client.Close()

	req := &automlpb.DeleteModelRequest{
		Name: fmt.Sprintf("projects/%s/locations/%s/models/%s", projectID, location, modelID),
	}

	op, err := client.DeleteModel(ctx, req)
	if err != nil {
		return fmt.Errorf("DeleteModel: %w", err)
	}
	fmt.Fprintf(w, "Processing operation name: %q\n", op.Name())

	if err := op.Wait(ctx); err != nil {
		return fmt.Errorf("Wait: %w", err)
	}

	fmt.Fprintf(w, "Model deleted.\n")

	return nil
}

Java

在试用此示例之前，请按照客户端库页面中与此编程语言对应的设置说明执行操作。

import com.google.cloud.automl.v1.AutoMlClient;
import com.google.cloud.automl.v1.ModelName;
import com.google.protobuf.Empty;
import java.io.IOException;
import java.util.concurrent.ExecutionException;

class DeleteModel {

  public static void main(String[] args)
      throws IOException, ExecutionException, InterruptedException {
    // TODO(developer): Replace these variables before running the sample.
    String projectId = "YOUR_PROJECT_ID";
    String modelId = "YOUR_MODEL_ID";
    deleteModel(projectId, modelId);
  }

  // Delete a model
  static void deleteModel(String projectId, String modelId)
      throws IOException, ExecutionException, InterruptedException {
    // 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 "close" method on the client to safely clean up any remaining background resources.
    try (AutoMlClient client = AutoMlClient.create()) {
      // Get the full path of the model.
      ModelName modelFullId = ModelName.of(projectId, "us-central1", modelId);

      // Delete a model.
      Empty response = client.deleteModelAsync(modelFullId).get();

      System.out.println("Model deletion started...");
      System.out.println(String.format("Model deleted. %s", response));
    }
  }
}

Node.js

在试用此示例之前，请按照客户端库页面中与此编程语言对应的设置说明执行操作。

/**
 * TODO(developer): Uncomment these variables before running the sample.
 */
// const projectId = 'YOUR_PROJECT_ID';
// const location = 'us-central1';
// const modelId = 'YOUR_MODEL_ID';

// Imports the Google Cloud AutoML library
const {AutoMlClient} = require('@google-cloud/automl').v1;

// Instantiates a client
const client = new AutoMlClient();

async function deleteModel() {
  // Construct request
  const request = {
    name: client.modelPath(projectId, location, modelId),
  };

  const [response] = await client.deleteModel(request);
  console.log(`Model deleted: ${response}`);
}

deleteModel();

Python

在试用此示例之前，请按照客户端库页面中与此编程语言对应的设置说明执行操作。

from google.cloud import automl

# TODO(developer): Uncomment and set the following variables
# project_id = "YOUR_PROJECT_ID"
# model_id = "YOUR_MODEL_ID"

client = automl.AutoMlClient()
# Get the full path of the model.
model_full_id = client.model_path(project_id, "us-central1", model_id)
response = client.delete_model(name=model_full_id)

print(f"Model deleted. {response.result()}")