使用 Amazon SDK 描述 CloudWatch 告警 - Amazon CloudWatch
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使用 Amazon SDK 描述 CloudWatch 告警

以下代码示例显示了如何描述 Amazon CloudWatch 告警。

操作示例是大型程序的代码摘录,必须在上下文中运行。您可以在以下代码示例中查看此操作的上下文:

.NET
Amazon SDK for .NET
注意

查看 GitHub,了解更多信息。在 Amazon 代码示例存储库中查找完整示例,了解如何进行设置和运行。

/// <summary> /// Describe the current alarms, optionally filtered by state. /// </summary> /// <param name="stateValue">Optional filter for alarm state.</param> /// <returns>The list of alarm data.</returns> public async Task<List<MetricAlarm>> DescribeAlarms(StateValue? stateValue = null) { List<MetricAlarm> alarms = new List<MetricAlarm>(); var paginatedDescribeAlarms = _amazonCloudWatch.Paginators.DescribeAlarms( new DescribeAlarmsRequest() { StateValue = stateValue }); await foreach (var data in paginatedDescribeAlarms.MetricAlarms) { alarms.Add(data); } return alarms; }
  • 有关 API 详细信息,请参阅《Amazon SDK for .NET API 参考》中的 DescribeAlarms

CLI
Amazon CLI

列出有关警报的信息

以下示例使用 describe-alarms 命令提供名为“myalarm”的警报的相关信息:

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

输出:

{ "MetricAlarms": [ { "EvaluationPeriods": 2, "AlarmArn": "arn:aws:cloudwatch:us-east-1:123456789012:alarm:myalarm", "StateUpdatedTimestamp": "2014-04-09T18:59:06.442Z", "AlarmConfigurationUpdatedTimestamp": "2012-12-27T00:49:54.032Z", "ComparisonOperator": "GreaterThanThreshold", "AlarmActions": [ "arn:aws:sns:us-east-1:123456789012:myHighCpuAlarm" ], "Namespace": "Amazon/EC2", "AlarmDescription": "CPU usage exceeds 70 percent", "StateReasonData": "{\"version\":\"1.0\",\"queryDate\":\"2014-04-09T18:59:06.419+0000\",\"startDate\":\"2014-04-09T18:44:00.000+0000\",\"statistic\":\"Average\",\"period\":300,\"recentDatapoints\":[38.958,40.292],\"threshold\":70.0}", "Period": 300, "StateValue": "OK", "Threshold": 70.0, "AlarmName": "myalarm", "Dimensions": [ { "Name": "InstanceId", "Value": "i-0c986c72" } ], "Statistic": "Average", "StateReason": "Threshold Crossed: 2 datapoints were not greater than the threshold (70.0). The most recent datapoints: [38.958, 40.292].", "InsufficientDataActions": [], "OKActions": [], "ActionsEnabled": true, "MetricName": "CPUUtilization" } ] }
  • 有关 API 详细信息,请参阅《Amazon CLI Command Reference》中的 DescribeAlarms

Java
SDK for Java 2.x
注意

查看 GitHub,了解更多信息。在 Amazon 代码示例存储库中查找完整示例,了解如何进行设置和运行。

public static void describeAlarms(CloudWatchClient cw) { try { List<AlarmType> typeList = new ArrayList<>(); typeList.add(AlarmType.METRIC_ALARM); DescribeAlarmsRequest alarmsRequest = DescribeAlarmsRequest.builder() .alarmTypes(typeList) .maxRecords(10) .build(); DescribeAlarmsResponse response = cw.describeAlarms(alarmsRequest); List<MetricAlarm> alarmList = response.metricAlarms(); for (MetricAlarm alarm : alarmList) { System.out.println("Alarm name: " + alarm.alarmName()); System.out.println("Alarm description: " + alarm.alarmDescription()); } } catch (CloudWatchException e) { System.err.println(e.awsErrorDetails().errorMessage()); System.exit(1); } }
  • 有关 API 详细信息,请参阅《Amazon SDK for Java 2.x API 参考》中的 DescribeAlarms

Kotlin
适用于 Kotlin 的 SDK
注意

查看 GitHub,了解更多信息。在 Amazon 代码示例存储库中查找完整示例,了解如何进行设置和运行。

suspend fun describeAlarms() { val typeList = ArrayList<AlarmType>() typeList.add(AlarmType.MetricAlarm) val alarmsRequest = DescribeAlarmsRequest { alarmTypes = typeList maxRecords = 10 } CloudWatchClient { region = "us-east-1" }.use { cwClient -> val response = cwClient.describeAlarms(alarmsRequest) response.metricAlarms?.forEach { alarm -> println("Alarm name: ${alarm.alarmName}") println("Alarm description: ${alarm.alarmDescription}") } } }
  • 有关 API 详细信息,请参阅《Amazon SDK for Kotlin API 参考》中的 DescribeAlarms

SAP ABAP
SDK for SAP ABAP
注意

查看 GitHub,了解更多信息。在 Amazon 代码示例存储库中查找完整示例,了解如何进行设置和运行。

TRY. oo_result = lo_cwt->describealarms( " oo_result is returned for testing purposes. " it_alarmnames = it_alarm_names ). MESSAGE 'Alarms retrieved.' TYPE 'I'. CATCH /aws1/cx_rt_service_generic INTO DATA(lo_exception). DATA(lv_error) = |"{ lo_exception->av_err_code }" - { lo_exception->av_err_msg }|. MESSAGE lv_error TYPE 'E'. ENDTRY.
  • 有关 API 详细信息,请参阅 Amazon SDK for SAP ABAP API 参考中的 DescribeAlarms

有关 Amazon SDK 开发人员指南和代码示例的完整列表,请参阅 将 CloudWatch 与 Amazon SDK 结合使用。本主题还包括有关入门的信息以及有关先前的 SDK 版本的详细信息。