与 AWS SDK或DescribeGateway一起使用 CLI

描述网关

以下describe-gateway示例描述了网关。

aws iotsitewise describe-gateway \
    --gateway-id a1b2c3d4-5678-90ab-cdef-1a1a1EXAMPLE

输出：

{
    "gatewayId": "a1b2c3d4-5678-90ab-cdef-1a1a1EXAMPLE",
    "gatewayName": "ExampleCorpGateway",
    "gatewayArn": "arn:aws:iotsitewise:us-west-2:123456789012:gateway/a1b2c3d4-5678-90ab-cdef-1a1a1EXAMPLE",
    "gatewayPlatform": {
        "greengrass": {
            "groupArn": "arn:aws:greengrass:us-west-2:123456789012:/greengrass/groups/a1b2c3d4-5678-90ab-cdef-1b1b1EXAMPLE"
        }
    },
    "gatewayCapabilitySummaries": [
        {
            "capabilityNamespace": "iotsitewise:opcuacollector:1",
            "capabilitySyncStatus": "IN_SYNC"
        }
    ],
    "creationDate": 1588369971.457,
    "lastUpdateDate": 1588369971.457
}

有关更多信息，请参阅《物AWS 联网 SiteWise 用户指南》中的使用网关摄取数据。

    /**
     * Describes the specified gateway.
     *
     * @param gatewayId the ID of the gateway to describe.
     * @return a {@link CompletableFuture} that represents a {@link DescribeGatewayResponse} result. 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<DescribeGatewayResponse> describeGatewayAsync(String gatewayId) {
        DescribeGatewayRequest request = DescribeGatewayRequest.builder()
            .gatewayId(gatewayId)
            .build();

        return getAsyncClient().describeGateway(request)
            .whenComplete((response, exception) -> {
                if (exception != null) {
                    logger.error("An error occurred during the describeGateway method: {}", exception.getCause().getMessage());
                }
            });
    }