DescribePortal与 AWS SDK 或 CLI 配合使用

PDF

以下代码示例演示如何使用 DescribePortal。

CLI

AWS CLI

描述门户

以下 describe-portal 示例描述一家风电场公司的门户网站。

aws iotsitewise describe-portal \
    --portal-id a1b2c3d4-5678-90ab-cdef-aaaaaEXAMPLE

输出：

{
    "portalId": "a1b2c3d4-5678-90ab-cdef-aaaaaEXAMPLE",
    "portalArn": "arn:aws:iotsitewise:us-west-2:123456789012:portal/a1b2c3d4-5678-90ab-cdef-aaaaaEXAMPLE",
    "portalName": "WindFarmPortal",
    "portalDescription": "A portal that contains wind farm projects for Example Corp.",
    "portalClientId": "E-a1b2c3d4e5f6_a1b2c3d4e5f6EXAMPLE",
    "portalStartUrl": "https://a1b2c3d4-5678-90ab-cdef-aaaaaEXAMPLE.app.iotsitewise.aws",
    "portalContactEmail": "[e-mail]",
    "portalStatus": {
        "state": "ACTIVE"
    },
    "portalCreationDate": "2020-02-04T23:01:52.90248068Z",
    "portalLastUpdateDate": "2020-02-04T23:01:52.90248078Z",
    "roleArn": "arn:aws:iam::123456789012:role/MySiteWiseMonitorServiceRole"
}

有关更多信息，请参阅《AWS 物联网 SiteWise 用户指南》中的管理您的门户。

• 有关 API 的详细信息，请参阅AWS CLI 命令参考DescribePortal中的。

Java

适用于 Java 的 SDK 2.x

注意

还有更多相关信息 GitHub。查找完整示例，学习如何在 AWS 代码示例存储库中进行设置和运行。

    /**
     * Retrieves a portal's description.
     *
     * @param portalId the ID of the portal to describe.
     * @return a {@link CompletableFuture} that represents a {@link String} result of the portal's start URL
     *         (see: {@link DescribePortalResponse#portalStartUrl()}). The calling code can attach callbacks, then handle the
     *         result or exception by calling {@link CompletableFuture#join()} or {@link CompletableFuture#get()}.
     *         <p>
     *         If any completion stage in this method throws an exception, the method logs the exception cause and keeps
     *         it available to the calling code as a {@link CompletionException}. By calling
     *         {@link CompletionException#getCause()}, the calling code can access the original exception.
     */
    public CompletableFuture<String> describePortalAsync(String portalId) {
        DescribePortalRequest request = DescribePortalRequest.builder()
            .portalId(portalId)
            .build();

        return getAsyncClient().describePortal(request)
            .handle((response, exception) -> {
                if (exception != null) {
                   logger.error("An exception occurred retrieving the portal description: {}", exception.getCause().getMessage());
                   throw (CompletionException) exception;
                }
                return response.portalStartUrl();
            });
    }

• 有关 API 的详细信息，请参阅 AWS SDK for Java 2.x API 参考DescribePortal中的。

JavaScript

适用于 JavaScript (v3) 的软件开发工具包

注意

还有更多相关信息 GitHub。查找完整示例，学习如何在 AWS 代码示例存储库中进行设置和运行。

import {
  DescribePortalCommand,
  IoTSiteWiseClient,
} from "@aws-sdk/client-iotsitewise";
import { parseArgs } from "node:util";

/**
 * Describe a portal.
 * @param {{ portalId: string }}
 */
export const main = async ({ portalId }) => {
  const client = new IoTSiteWiseClient({});
  try {
    const result = await client.send(
      new DescribePortalCommand({
        portalId: portalId, // The ID of the Gateway to describe.
      }),
    );
    console.log("Portal information retrieved successfully.");
    return result;
  } catch (caught) {
    if (caught instanceof Error && caught.name === "ResourceNotFound") {
      console.warn(
        `${caught.message}. The Portal could not be found. Please check the Portal Id.`,
      );
    } else {
      throw caught;
    }
  }
};

• 有关 API 的详细信息，请参阅 AWS SDK for JavaScript API 参考DescribePortal中的。

Python

适用于 Python 的 SDK（Boto3）

注意

还有更多相关信息 GitHub。查找完整示例，学习如何在 AWS 代码示例存储库中进行设置和运行。

class IoTSitewiseWrapper:
    """Encapsulates AWS IoT SiteWise actions using the client interface."""

    def __init__(self, iotsitewise_client: client) -> None:
        """
        Initializes the IoTSitewiseWrapper with an AWS IoT SiteWise client.

        :param iotsitewise_client: A Boto3 AWS IoT SiteWise client. This client provides low-level
                           access to AWS IoT SiteWise services.
        """
        self.iotsitewise_client = iotsitewise_client
        self.entry_id = 0 # Incremented to generate unique entry IDs for batch_put_asset_property_value.

    @classmethod
    def from_client(cls) -> "IoTSitewiseWrapper":
        """
        Creates an IoTSitewiseWrapper instance with a default AWS IoT SiteWise client.

        :return: An instance of IoTSitewiseWrapper initialized with the default AWS IoT SiteWise client.
        """
        iotsitewise_client = boto3.client("iotsitewise")
        return cls(iotsitewise_client)


    def create_gateway(self, gateway_name: str, my_thing: str) -> str:
        """
        Creates an AWS IoT SiteWise Gateway.

        :param gateway_name: The name of the gateway to create.
        :param my_thing: The core device thing name.
        :return: The ID of the created gateway.
        """
        try:
            response = self.iotsitewise_client.create_gateway(
                gatewayName=gateway_name,
                gatewayPlatform={
                    "greengrassV2": {"coreDeviceThingName": my_thing},
                },
                tags={"Environment": "Production"},
            )
            gateway_id = response["gatewayId"]
            return gateway_id
        except ClientError as err:
            if err.response["Error"]["Code"] == "ResourceAlreadyExistsException":
                logger.error("Gateway %s already exists.", gateway_name)
            else:
                logger.error(
                    "Error creating gateway %s. Here's why %s",
                    gateway_name,
                    err.response["Error"]["Message"],
                )
            raise

• 有关 API 的详细信息，请参阅适用DescribePortal于 Python 的AWS SDK (Boto3) API 参考。