View a markdown version of this page

配置警报以创建调查 - Amazon CloudWatch
Amazon Web Services 文档中描述的 Amazon Web Services 服务或功能可能因区域而异。要查看适用于中国区域的差异，请参阅 中国的 Amazon Web Services 服务入门 (PDF)。

配置警报以创建调查

在账户中设置调查组后，可以配置现有的 CloudWatch 警报，使其在进入 ALARM 状态时自动创建调查。这样就无需手动启动调查，并确保对操作问题做出一致的响应。您可以使用 Amazon 管理控制台、Amazon CLI、Amazon CloudFormation 或 Amazon SDK 来配置警报。

Console

  1. 通过 https://console.aws.amazon.com/cloudwatch/ 打开 CloudWatch 控制台。

  2. 在导航窗格中，选择警报，然后选择现有警报。

  3. 选择 Actions（操作）和 Edit（编辑）。

  4. 在警报操作部分中，选择添加警报操作。

  5. 在配置操作、调查操作部分下，选择调查组 ARN。

  6. （可选）添加重复数据删除字符串，对相关警报进行分组。

  7. 选择更新警报。

CLI

此命令要求您为 alarm-actions 参数指定 ARN。有关如何创建 ARN 的信息，请参阅 ARN 格式和参数。

使用 InvegationGroup 操作配置 CloudWatch 警报（Amazon CLI）

  1. 安装并配置 Amazon CLI（如果尚未执行该操作）。有关更多信息，请参阅安装或更新 Amazon CLI 的最新版本。

  2. 运行以下命令以收集要配置的告警的信息。

    aws cloudwatch describe-alarms --alarm-names "alarm name"

  3. 运行以下命令以更新告警。将每个示例资源占位符替换为您自己的信息。

    aws cloudwatch put-metric-alarm --alarm-name name \
--alarm-description "description" \
--metric-name name --namespace namespace \
--statistic statistic --period value --threshold value \
--comparison-operator value \
--dimensions "dimensions" --evaluation-periods value \
--alarm-actions "arn:aws:aiops:region:{account-id}:investigation-group/{investigationGroupIdentifier}#DEDUPE_STRING={my-dedupe-string}"

    以下为示例。

    //Without deduplication string
aws cloudwatch put-metric-alarm --alarm-name cpu-mon \
--alarm-description "Alarm when CPU exceeds 70 percent" \
--metric-name CPUUtilization --namespace AWS/EC2 \
--statistic Average --period 300 --threshold 70 \
--comparison-operator GreaterThanThreshold \
--dimensions "Name=InstanceId,Value=i-12345678" --evaluation-periods 2 \
--alarm-actions arn:aws:aiops:us-east-1:123456789012:investigation-group/sMwwg1IogXdvL7UZ \
--unit Percent

//With deduplication string
aws cloudwatch put-metric-alarm --alarm-name cpu-mon \
--alarm-description "Alarm when CPU exceeds 70 percent" \
--metric-name CPUUtilization --namespace AWS/EC2 \
--statistic Average --period 300 --threshold 70 \
--comparison-operator GreaterThanThreshold \
--dimensions "Name=InstanceId,Value=i-12345678" --evaluation-periods 2 \
--alarm-actions arn:aws:aiops:us-east-1:123456789012:investigation-group/sMwwg1IogXdvL7UZ#DEDUPE_STRING=performance \
--unit Percent
CloudFormation

本节包括多个 Amazon CloudFormation 模板，可用于配置 CloudWatch 警报以自动创建或更新调查。每个模板均要求您为 AlarmActions 参数指定 ARN。有关如何创建 ARN 的信息，请参阅 ARN 格式和参数。

//Without deduplication string
Resources:
  MyAlarm:
    Type: AWS::CloudWatch::Alarm
    Properties:
      AlarmActions:
        - !Sub "arn:aws:aiops:${AWS::Region}:${AWS::AccountId}:investigation-group/{investigationGroupIdentifier}"

//With deduplication string
Resources:
  MyAlarm:
    Type: AWS::CloudWatch::Alarm
    Properties:
      AlarmActions:
        - !Sub "arn:aws:aiops:${AWS::Region}:${AWS::AccountId}:investigation-group/{investigationGroupIdentifier}#DEDUPE_STRING={my-dedupe-string}"
SDK

本节包括 Java 代码片段，可用于配置 CloudWatch 警报以自动创建或更新调查。每个代码段均要求您为 investigationGroupArn 参数指定 ARN。有关如何创建 ARN 的信息，请参阅 ARN 格式和参数。

import com.amazonaws.services.cloudwatch.AmazonCloudWatch;
import com.amazonaws.services.cloudwatch.AmazonCloudWatchClientBuilder;
import com.amazonaws.services.cloudwatch.model.ComparisonOperator;
import com.amazonaws.services.cloudwatch.model.Dimension;
import com.amazonaws.services.cloudwatch.model.PutMetricAlarmRequest;
import com.amazonaws.services.cloudwatch.model.PutMetricAlarmResult;
import com.amazonaws.services.cloudwatch.model.StandardUnit;
import com.amazonaws.services.cloudwatch.model.Statistic;

//Without deduplication string
private void putMetricAlarmWithCloudWatchInvestigationAction() {
        final AmazonCloudWatch cloudWatchClient =
                AmazonCloudWatchClientBuilder.defaultClient();
       
        Dimension dimension = new Dimension()
                .withName("InstanceId")
                .withValue("i-12345678");
        String investigationGroupArn = "arn:aws:aiops:us-east-1:123456789012:investigation-group/sMwwg1IogXdvL7UZ";
        
        PutMetricAlarmRequest request = new PutMetricAlarmRequest() 
                    .withAlarmName("cpu-mon")
                    .withComparisonOperator( 
                        ComparisonOperator.GreaterThanThreshold) 
                    .withEvaluationPeriods(2) 
                    .withMetricName("CPUUtilization") 
                    .withNamespace("AWS/EC2") 
                    .withPeriod(300) 
                    .withStatistic(Statistic.Average) 
                    .withThreshold(70.0) 
                    .withActionsEnabled(true) 
                    .withAlarmDescription("Alarm when CPU exceeds 70 percent") 
                    .withUnit(StandardUnit.Percent) 
                    .withDimensions(dimension) 
                    .withAlarmActions(investigationGroupArn);
          
        PutMetricAlarmResult response = cloudWatchClient.putMetricAlarm(request);
}

//With deduplication string
private void putMetricAlarmWithCloudWatchInvestigationActionWithDedupeString() {
        final AmazonCloudWatch cloudWatchClient =
                AmazonCloudWatchClientBuilder.defaultClient();
       
        Dimension dimension = new Dimension()
                .withName("InstanceId")
                .withValue("i-12345678");
        String investigationGroupArn = "arn:aws:aiops:us-east-1:123456789012:investigation-group/sMwwg1IogXdvL7UZ#DEDUPE_STRING=performance";
        
        PutMetricAlarmRequest request = new PutMetricAlarmRequest() 
                    .withAlarmName("cpu-mon")
                    .withComparisonOperator( 
                        ComparisonOperator.GreaterThanThreshold) 
                    .withEvaluationPeriods(2) 
                    .withMetricName("CPUUtilization") 
                    .withNamespace("AWS/EC2") 
                    .withPeriod(300) 
                    .withStatistic(Statistic.Average) 
                    .withThreshold(70.0) 
                    .withActionsEnabled(true) 
                    .withAlarmDescription("Alarm when CPU exceeds 70 percent") 
                    .withUnit(StandardUnit.Percent) 
                    .withDimensions(dimension) 
                    .withAlarmActions(investigationGroupArn);
          
        PutMetricAlarmResult response = cloudWatchClient.putMetricAlarm(request);
}