CloudWatch 使用 JavaScript (v3)SDK的示例 - AWS SDK for JavaScript

AWS SDK for JavaScript V3 參API考指南詳細描述了 AWS SDK for JavaScript 版本 3(V3)的所有API操作。

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。

CloudWatch 使用 JavaScript (v3)SDK的示例

下列程式碼範例會示範如何使用 AWS SDK for JavaScript (v3) 搭配使用來執行動作及實作常見案例 CloudWatch。

Actions 是大型程式的程式碼摘錄,必須在內容中執行。雖然動作會顯示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

下列程式碼範例會示範如何使用DeleteAlarms

SDK對於 JavaScript (3)
注意

還有更多關於 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({});
SDK對於 JavaScript (第 2 個)
注意

還有更多關於 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.

// Load the AWS SDK for Node.js var AWS = require("aws-sdk"); // Set the region AWS.config.update({ region: "REGION" }); // Create CloudWatch service object var cw = new AWS.CloudWatch({ apiVersion: "2010-08-01" }); var params = { AlarmNames: ["Web_Server_CPU_Utilization"], }; cw.deleteAlarms(params, function (err, data) { if (err) { console.log("Error", err); } else { console.log("Success", data); } });

下列程式碼範例會示範如何使用DescribeAlarmsForMetric

SDK對於 JavaScript (3)
注意

還有更多關於 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({});
SDK對於 JavaScript (第 2 個)
注意

還有更多關於 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。

// Load the AWS SDK for Node.js var AWS = require("aws-sdk"); // Set the region AWS.config.update({ region: "REGION" }); // Create CloudWatch service object var cw = new AWS.CloudWatch({ apiVersion: "2010-08-01" }); cw.describeAlarms({ StateValue: "INSUFFICIENT_DATA" }, function (err, data) { if (err) { console.log("Error", err); } else { // List the names of all current alarms in the console data.MetricAlarms.forEach(function (item, index, array) { console.log(item.AlarmName); }); } });

下列程式碼範例會示範如何使用DisableAlarmActions

SDK對於 JavaScript (3)
注意

還有更多關於 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({});
SDK對於 JavaScript (第 2 個)
注意

還有更多關於 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.

// Load the AWS SDK for Node.js var AWS = require("aws-sdk"); // Set the region AWS.config.update({ region: "REGION" }); // Create CloudWatch service object var cw = new AWS.CloudWatch({ apiVersion: "2010-08-01" }); cw.disableAlarmActions( { AlarmNames: ["Web_Server_CPU_Utilization"] }, function (err, data) { if (err) { console.log("Error", err); } else { console.log("Success", data); } } );

下列程式碼範例會示範如何使用EnableAlarmActions

SDK對於 JavaScript (3)
注意

還有更多關於 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({});
SDK對於 JavaScript (第 2 個)
注意

還有更多關於 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.

// Load the AWS SDK for Node.js var AWS = require("aws-sdk"); // Set the region AWS.config.update({ region: "REGION" }); // Create CloudWatch service object var cw = new AWS.CloudWatch({ apiVersion: "2010-08-01" }); var params = { AlarmName: "Web_Server_CPU_Utilization", ComparisonOperator: "GreaterThanThreshold", EvaluationPeriods: 1, MetricName: "CPUUtilization", Namespace: "AWS/EC2", Period: 60, Statistic: "Average", Threshold: 70.0, ActionsEnabled: true, AlarmActions: ["ACTION_ARN"], AlarmDescription: "Alarm when server CPU exceeds 70%", Dimensions: [ { Name: "InstanceId", Value: "INSTANCE_ID", }, ], Unit: "Percent", }; cw.putMetricAlarm(params, function (err, data) { if (err) { console.log("Error", err); } else { console.log("Alarm action added", data); var paramsEnableAlarmAction = { AlarmNames: [params.AlarmName], }; cw.enableAlarmActions(paramsEnableAlarmAction, function (err, data) { if (err) { console.log("Error", err); } else { console.log("Alarm action enabled", data); } }); } });

下列程式碼範例會示範如何使用ListMetrics

SDK對於 JavaScript (3)
注意

還有更多關於 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 { ListMetricsCommand } from "@aws-sdk/client-cloudwatch"; import { client } from "../libs/client.js"; export const main = () => { // 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", }); return client.send(command); };

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({});
SDK對於 JavaScript (第 2 個)
注意

還有更多關於 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。

// Load the AWS SDK for Node.js var AWS = require("aws-sdk"); // Set the region AWS.config.update({ region: "REGION" }); // Create CloudWatch service object var cw = new AWS.CloudWatch({ apiVersion: "2010-08-01" }); var params = { Dimensions: [ { Name: "LogGroupName" /* required */, }, ], MetricName: "IncomingLogEvents", Namespace: "AWS/Logs", }; cw.listMetrics(params, function (err, data) { if (err) { console.log("Error", err); } else { console.log("Metrics", JSON.stringify(data.Metrics)); } });

下列程式碼範例會示範如何使用PutMetricAlarm

SDK對於 JavaScript (3)
注意

還有更多關於 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({});
SDK對於 JavaScript (第 2 個)
注意

還有更多關於 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。

// Load the AWS SDK for Node.js var AWS = require("aws-sdk"); // Set the region AWS.config.update({ region: "REGION" }); // Create CloudWatch service object var cw = new AWS.CloudWatch({ apiVersion: "2010-08-01" }); var params = { AlarmName: "Web_Server_CPU_Utilization", 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: "INSTANCE_ID", }, ], Unit: "Percent", }; cw.putMetricAlarm(params, function (err, data) { if (err) { console.log("Error", err); } else { console.log("Success", data); } });

下列程式碼範例會示範如何使用PutMetricData

SDK對於 JavaScript (3)
注意

還有更多關於 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({});
SDK對於 JavaScript (第 2 個)
注意

還有更多關於 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。

// Load the AWS SDK for Node.js var AWS = require("aws-sdk"); // Set the region AWS.config.update({ region: "REGION" }); // Create CloudWatch service object var cw = new AWS.CloudWatch({ apiVersion: "2010-08-01" }); // Create parameters JSON for putMetricData var params = { MetricData: [ { MetricName: "PAGES_VISITED", Dimensions: [ { Name: "UNIQUE_PAGES", Value: "URLS", }, ], Unit: "None", Value: 1.0, }, ], Namespace: "SITE/TRAFFIC", }; cw.putMetricData(params, function (err, data) { if (err) { console.log("Error", err); } else { console.log("Success", JSON.stringify(data)); } });