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。 # 設定警示以建立調查 在帳戶中設定調查群組之後，您可以設定現有的 CloudWatch 警示，以便在調查進入 ALARM 狀態時自動建立調查。這不需要手動開始調查，並確保對操作問題的一致回應。您可以使用 管理主控台 AWS CLI CloudFormation、 或 AWS SDKs來設定警示 AWS 。 ------ #### [ Console ] 1. 透過 [https://console.aws.amazon.com/cloudwatch/](https://console.aws.amazon.com/cloudwatch/) 開啟 CloudWatch 主控台。 1. 在導覽窗格中，選擇**警示**，然後選取現有的警示。 1. 選擇 **Actions** (動作)、**Edit** (編輯)。 1. 在**警示動作**區段中，選擇**新增警示動作**。 1. 在**設定動作**、**調查動作**區段下，選擇調查群組 ARN。 1. （選用） 將重複資料刪除字串新增至群組相關警示。 1. 選擇 **Update alarm** (更新警示)。 ------ #### [ CLI ] 此命令要求您為 `alarm-actions` 參數指定 ARN。如需如何建立 ARN 的相關資訊，請參閱 [ARN 格式和參數](Investigations-configure-alarms.md#Investigations-arn-format)。 **使用 InvestigationGroup 動作設定 CloudWatch 警示 (AWS CLI)** 1. 如果您尚未安裝和設定 AWS CLI。如需相關資訊，請參閱[安裝或更新最新版本的 AWS CLI](https://docs.aws.amazon.com/cli/latest/userguide/getting-started-install.html)。 1. 執行下列命令以收集您要設定之警示的相關資訊。 ``` aws cloudwatch describe-alarms --alarm-names "alarm name" ``` 1. 執行下列命令以更新警示。將每個{{範例資源預留位置}}取代為您自己的資訊。 ``` 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}" ``` 範例如下。 ``` //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 ] 本節包含可用來設定 CloudWatch 警示以自動建立或更新調查的 CloudFormation 範本。每個範本都要求您為 `AlarmActions` 參數指定 ARN。如需如何建立 ARN 的相關資訊，請參閱 [ARN 格式和參數](Investigations-configure-alarms.md#Investigations-arn-format)。 ``` //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 ] 本節包含 Java 程式碼片段，可用來設定 CloudWatch 警示以自動建立或更新調查。每個程式碼片段都要求您為 `investigationGroupArn` 參數指定 ARN。如需如何建立 ARN 的相關資訊，請參閱 [ARN 格式和參數](Investigations-configure-alarms.md#Investigations-arn-format)。 ``` 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); } ``` ------