使用 SDK forWord(v3) 的 CloudWatch JavaScript 範例 - AWS SDK for JavaScript

AWS SDK for JavaScript V3 API 參考指南會詳細說明第 3 版 (V3) 的所有 API 操作 AWS SDK for JavaScript 。

本文為英文版的機器翻譯版本,如內容有任何歧義或不一致之處,概以英文版為準。

使用 SDK forWord(v3) 的 CloudWatch JavaScript 範例

下列程式碼範例示範如何使用 AWS SDK for JavaScript (v3) with CloudWatch 來執行動作和實作常見案例。

Actions 是大型程式的程式碼摘錄,必須在內容中執行。雖然 動作會示範如何呼叫個別服務函數,但您可以在其相關案例中查看內容中的動作。

每個範例都包含完整原始程式碼的連結,您可以在其中找到如何在內容中設定和執行程式碼的指示。

主題

動作

下列程式碼範例示範如何使用 DeleteAlarms

SDK for JavaScript (v3)
注意

還有更多 on GitHub。尋找完整範例,並了解如何在 AWS 程式碼範例儲存庫中設定和執行。

匯入 SDK 和用戶端模組並呼叫 API。

import { DeleteAlarmsCommand } from "@aws-sdk/client-cloudwatch"; import { client } from "../libs/client.js"; const run = async () => { const command = new DeleteAlarmsCommand({ AlarmNames: [process.env.CLOUDWATCH_ALARM_NAME], // Set the value of CLOUDWATCH_ALARM_NAME to the name of an existing alarm. }); try { return await client.send(command); } catch (err) { console.error(err); } }; export default run();

在單獨的模組中建立用戶端並將其匯出。

import { CloudWatchClient } from "@aws-sdk/client-cloudwatch"; export const client = new CloudWatchClient({});

下列程式碼範例示範如何使用 DescribeAlarmsForMetric

SDK for JavaScript (v3)
注意

還有更多 on GitHub。尋找完整範例,並了解如何在 AWS 程式碼範例儲存庫中設定和執行。

匯入 SDK 和用戶端模組並呼叫 API。

import { DescribeAlarmsCommand } from "@aws-sdk/client-cloudwatch"; import { client } from "../libs/client.js"; const run = async () => { const command = new DescribeAlarmsCommand({ AlarmNames: [process.env.CLOUDWATCH_ALARM_NAME], // Set the value of CLOUDWATCH_ALARM_NAME to the name of an existing alarm. }); try { return await client.send(command); } catch (err) { console.error(err); } }; export default run();

在單獨的模組中建立用戶端並將其匯出。

import { CloudWatchClient } from "@aws-sdk/client-cloudwatch"; export const client = new CloudWatchClient({});

下列程式碼範例示範如何使用 DisableAlarmActions

SDK for JavaScript (v3)
注意

還有更多 on GitHub。尋找完整範例,並了解如何在 AWS 程式碼範例儲存庫中設定和執行。

匯入 SDK 和用戶端模組並呼叫 API。

import { DisableAlarmActionsCommand } from "@aws-sdk/client-cloudwatch"; import { client } from "../libs/client.js"; const run = async () => { const command = new DisableAlarmActionsCommand({ AlarmNames: process.env.CLOUDWATCH_ALARM_NAME, // Set the value of CLOUDWATCH_ALARM_NAME to the name of an existing alarm. }); try { return await client.send(command); } catch (err) { console.error(err); } }; export default run();

在單獨的模組中建立用戶端並將其匯出。

import { CloudWatchClient } from "@aws-sdk/client-cloudwatch"; export const client = new CloudWatchClient({});

下列程式碼範例示範如何使用 EnableAlarmActions

SDK for JavaScript (v3)
注意

還有更多 on GitHub。尋找完整範例,並了解如何在 AWS 程式碼範例儲存庫中設定和執行。

匯入 SDK 和用戶端模組並呼叫 API。

import { EnableAlarmActionsCommand } from "@aws-sdk/client-cloudwatch"; import { client } from "../libs/client.js"; const run = async () => { const command = new EnableAlarmActionsCommand({ AlarmNames: [process.env.CLOUDWATCH_ALARM_NAME], // Set the value of CLOUDWATCH_ALARM_NAME to the name of an existing alarm. }); try { return await client.send(command); } catch (err) { console.error(err); } }; export default run();

在單獨的模組中建立用戶端並將其匯出。

import { CloudWatchClient } from "@aws-sdk/client-cloudwatch"; export const client = new CloudWatchClient({});

下列程式碼範例示範如何使用 ListMetrics

SDK for JavaScript (v3)
注意

還有更多 on GitHub。尋找完整範例,並了解如何在 AWS 程式碼範例儲存庫中設定和執行。

匯入 SDK 和用戶端模組並呼叫 API。

import { CloudWatchServiceException, ListMetricsCommand, } from "@aws-sdk/client-cloudwatch"; import { client } from "../libs/client.js"; export const main = async () => { // Use the AWS console to see available namespaces and metric names. Custom metrics can also be created. // https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/viewing_metrics_with_cloudwatch.html const command = new ListMetricsCommand({ Dimensions: [ { Name: "LogGroupName", }, ], MetricName: "IncomingLogEvents", Namespace: "AWS/Logs", }); try { const response = await client.send(command); console.log(`Metrics count: ${response.Metrics?.length}`); return response; } catch (caught) { if (caught instanceof CloudWatchServiceException) { console.error(`Error from CloudWatch. ${caught.name}: ${caught.message}`); } else { throw caught; } } };

在單獨的模組中建立用戶端並將其匯出。

import { CloudWatchClient } from "@aws-sdk/client-cloudwatch"; export const client = new CloudWatchClient({});

下列程式碼範例示範如何使用 PutMetricAlarm

SDK for JavaScript (v3)
注意

還有更多 on GitHub。尋找完整範例,並了解如何在 AWS 程式碼範例儲存庫中設定和執行。

匯入 SDK 和用戶端模組並呼叫 API。

import { PutMetricAlarmCommand } from "@aws-sdk/client-cloudwatch"; import { client } from "../libs/client.js"; const run = async () => { // This alarm triggers when CPUUtilization exceeds 70% for one minute. const command = new PutMetricAlarmCommand({ AlarmName: process.env.CLOUDWATCH_ALARM_NAME, // Set the value of CLOUDWATCH_ALARM_NAME to the name of an existing alarm. ComparisonOperator: "GreaterThanThreshold", EvaluationPeriods: 1, MetricName: "CPUUtilization", Namespace: "AWS/EC2", Period: 60, Statistic: "Average", Threshold: 70.0, ActionsEnabled: false, AlarmDescription: "Alarm when server CPU exceeds 70%", Dimensions: [ { Name: "InstanceId", Value: process.env.EC2_INSTANCE_ID, // Set the value of EC_INSTANCE_ID to the Id of an existing Amazon EC2 instance. }, ], Unit: "Percent", }); try { return await client.send(command); } catch (err) { console.error(err); } }; export default run();

在單獨的模組中建立用戶端並將其匯出。

import { CloudWatchClient } from "@aws-sdk/client-cloudwatch"; export const client = new CloudWatchClient({});

下列程式碼範例示範如何使用 PutMetricData

SDK for JavaScript (v3)
注意

還有更多 on GitHub。尋找完整範例,並了解如何在 AWS 程式碼範例儲存庫中設定和執行。

匯入 SDK 和用戶端模組並呼叫 API。

import { PutMetricDataCommand } from "@aws-sdk/client-cloudwatch"; import { client } from "../libs/client.js"; const run = async () => { // See https://docs.aws.amazon.com/AmazonCloudWatch/latest/APIReference/API_PutMetricData.html#API_PutMetricData_RequestParameters // and https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/publishingMetrics.html // for more information about the parameters in this command. const command = new PutMetricDataCommand({ MetricData: [ { MetricName: "PAGES_VISITED", Dimensions: [ { Name: "UNIQUE_PAGES", Value: "URLS", }, ], Unit: "None", Value: 1.0, }, ], Namespace: "SITE/TRAFFIC", }); try { return await client.send(command); } catch (err) { console.error(err); } }; export default run();

在單獨的模組中建立用戶端並將其匯出。

import { CloudWatchClient } from "@aws-sdk/client-cloudwatch"; export const client = new CloudWatchClient({});