CloudWatch 使用适用于 C++ 的 SDK 的示例 - AWS SDK 代码示例

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CloudWatch 使用适用于 C++ 的 SDK 的示例

以下代码示例向您展示了如何使用with来执行操作和实现常见场景 CloudWatch。 AWS SDK for C++

操作是大型程序的代码摘录,必须在上下文中运行。您可以通过操作了解如何调用单个服务函数,还可以通过函数相关场景的上下文查看操作。

每个示例都包含一个指向完整源代码的链接,您可以从中找到有关如何在上下文中设置和运行代码的说明。

主题

操作

以下代码示例演示如何使用 DeleteAlarms

SDK for C++
注意

还有更多相关信息 GitHub。查找完整示例,了解如何在 AWS 代码示例存储库中进行设置和运行。

包含所需的文件。

#include <aws/core/Aws.h> #include <aws/monitoring/CloudWatchClient.h> #include <aws/monitoring/model/DeleteAlarmsRequest.h> #include <iostream>

删除告警。

Aws::CloudWatch::CloudWatchClient cw; Aws::CloudWatch::Model::DeleteAlarmsRequest request; request.AddAlarmNames(alarm_name); auto outcome = cw.DeleteAlarms(request); if (!outcome.IsSuccess()) { std::cout << "Failed to delete CloudWatch alarm:" << outcome.GetError().GetMessage() << std::endl; } else { std::cout << "Successfully deleted CloudWatch alarm " << alarm_name << std::endl; }
  • 有关 API 的详细信息,请参阅 AWS SDK for C++ API 参考DeleteAlarms中的。

以下代码示例演示如何使用 DescribeAlarmsForMetric

SDK for C++
注意

还有更多相关信息 GitHub。查找完整示例,了解如何在 AWS 代码示例存储库中进行设置和运行。

包含所需的文件。

#include <aws/core/Aws.h> #include <aws/monitoring/CloudWatchClient.h> #include <aws/monitoring/model/DescribeAlarmsRequest.h> #include <aws/monitoring/model/DescribeAlarmsResult.h> #include <iomanip> #include <iostream>

描述告警。

Aws::CloudWatch::CloudWatchClient cw; Aws::CloudWatch::Model::DescribeAlarmsRequest request; request.SetMaxRecords(1); bool done = false; bool header = false; while (!done) { auto outcome = cw.DescribeAlarms(request); if (!outcome.IsSuccess()) { std::cout << "Failed to describe CloudWatch alarms:" << outcome.GetError().GetMessage() << std::endl; break; } if (!header) { std::cout << std::left << std::setw(32) << "Name" << std::setw(64) << "Arn" << std::setw(64) << "Description" << std::setw(20) << "LastUpdated" << std::endl; header = true; } const auto &alarms = outcome.GetResult().GetMetricAlarms(); for (const auto &alarm : alarms) { std::cout << std::left << std::setw(32) << alarm.GetAlarmName() << std::setw(64) << alarm.GetAlarmArn() << std::setw(64) << alarm.GetAlarmDescription() << std::setw(20) << alarm.GetAlarmConfigurationUpdatedTimestamp().ToGmtString( SIMPLE_DATE_FORMAT_STR) << std::endl; } const auto &next_token = outcome.GetResult().GetNextToken(); request.SetNextToken(next_token); done = next_token.empty(); }

以下代码示例演示如何使用 DisableAlarmActions

SDK for C++
注意

还有更多相关信息 GitHub。查找完整示例,了解如何在 AWS 代码示例存储库中进行设置和运行。

包含所需的文件。

#include <aws/core/Aws.h> #include <aws/monitoring/CloudWatchClient.h> #include <aws/monitoring/model/DisableAlarmActionsRequest.h> #include <iostream>

禁用告警操作。

Aws::CloudWatch::CloudWatchClient cw; Aws::CloudWatch::Model::DisableAlarmActionsRequest disableAlarmActionsRequest; disableAlarmActionsRequest.AddAlarmNames(alarm_name); auto disableAlarmActionsOutcome = cw.DisableAlarmActions(disableAlarmActionsRequest); if (!disableAlarmActionsOutcome.IsSuccess()) { std::cout << "Failed to disable actions for alarm " << alarm_name << ": " << disableAlarmActionsOutcome.GetError().GetMessage() << std::endl; } else { std::cout << "Successfully disabled actions for alarm " << alarm_name << std::endl; }
  • 有关 API 的详细信息,请参阅 AWS SDK for C++ API 参考DisableAlarmActions中的。

以下代码示例演示如何使用 EnableAlarmActions

SDK for C++
注意

还有更多相关信息 GitHub。查找完整示例,了解如何在 AWS 代码示例存储库中进行设置和运行。

包含所需的文件。

#include <aws/core/Aws.h> #include <aws/monitoring/CloudWatchClient.h> #include <aws/monitoring/model/EnableAlarmActionsRequest.h> #include <aws/monitoring/model/PutMetricAlarmRequest.h> #include <iostream>

启用告警操作。

Aws::CloudWatch::CloudWatchClient cw; Aws::CloudWatch::Model::PutMetricAlarmRequest request; request.SetAlarmName(alarm_name); request.SetComparisonOperator( Aws::CloudWatch::Model::ComparisonOperator::GreaterThanThreshold); request.SetEvaluationPeriods(1); request.SetMetricName("CPUUtilization"); request.SetNamespace("AWS/EC2"); request.SetPeriod(60); request.SetStatistic(Aws::CloudWatch::Model::Statistic::Average); request.SetThreshold(70.0); request.SetActionsEnabled(false); request.SetAlarmDescription("Alarm when server CPU exceeds 70%"); request.SetUnit(Aws::CloudWatch::Model::StandardUnit::Seconds); request.AddAlarmActions(actionArn); Aws::CloudWatch::Model::Dimension dimension; dimension.SetName("InstanceId"); dimension.SetValue(instanceId); request.AddDimensions(dimension); auto outcome = cw.PutMetricAlarm(request); if (!outcome.IsSuccess()) { std::cout << "Failed to create CloudWatch alarm:" << outcome.GetError().GetMessage() << std::endl; return; } Aws::CloudWatch::Model::EnableAlarmActionsRequest enable_request; enable_request.AddAlarmNames(alarm_name); auto enable_outcome = cw.EnableAlarmActions(enable_request); if (!enable_outcome.IsSuccess()) { std::cout << "Failed to enable alarm actions:" << enable_outcome.GetError().GetMessage() << std::endl; return; } std::cout << "Successfully created alarm " << alarm_name << " and enabled actions on it." << std::endl;
  • 有关 API 的详细信息,请参阅 AWS SDK for C++ API 参考EnableAlarmActions中的。

以下代码示例演示如何使用 ListMetrics

SDK for C++
注意

还有更多相关信息 GitHub。查找完整示例,了解如何在 AWS 代码示例存储库中进行设置和运行。

包含所需的文件。

#include <aws/core/Aws.h> #include <aws/monitoring/CloudWatchClient.h> #include <aws/monitoring/model/ListMetricsRequest.h> #include <aws/monitoring/model/ListMetricsResult.h> #include <iomanip> #include <iostream>

列出指标。

Aws::CloudWatch::CloudWatchClient cw; Aws::CloudWatch::Model::ListMetricsRequest request; if (argc > 1) { request.SetMetricName(argv[1]); } if (argc > 2) { request.SetNamespace(argv[2]); } bool done = false; bool header = false; while (!done) { auto outcome = cw.ListMetrics(request); if (!outcome.IsSuccess()) { std::cout << "Failed to list CloudWatch metrics:" << outcome.GetError().GetMessage() << std::endl; break; } if (!header) { std::cout << std::left << std::setw(48) << "MetricName" << std::setw(32) << "Namespace" << "DimensionNameValuePairs" << std::endl; header = true; } const auto &metrics = outcome.GetResult().GetMetrics(); for (const auto &metric : metrics) { std::cout << std::left << std::setw(48) << metric.GetMetricName() << std::setw(32) << metric.GetNamespace(); const auto &dimensions = metric.GetDimensions(); for (auto iter = dimensions.cbegin(); iter != dimensions.cend(); ++iter) { const auto &dimkv = *iter; std::cout << dimkv.GetName() << " = " << dimkv.GetValue(); if (iter + 1 != dimensions.cend()) { std::cout << ", "; } } std::cout << std::endl; } const auto &next_token = outcome.GetResult().GetNextToken(); request.SetNextToken(next_token); done = next_token.empty(); }
  • 有关 API 的详细信息,请参阅 AWS SDK for C++ API 参考ListMetrics中的。

以下代码示例演示如何使用 PutMetricAlarm

SDK for C++
注意

还有更多相关信息 GitHub。查找完整示例,了解如何在 AWS 代码示例存储库中进行设置和运行。

包含所需的文件。

#include <aws/core/Aws.h> #include <aws/monitoring/CloudWatchClient.h> #include <aws/monitoring/model/PutMetricAlarmRequest.h> #include <iostream>

创建告警以观看指标。

Aws::CloudWatch::CloudWatchClient cw; Aws::CloudWatch::Model::PutMetricAlarmRequest request; request.SetAlarmName(alarm_name); request.SetComparisonOperator( Aws::CloudWatch::Model::ComparisonOperator::GreaterThanThreshold); request.SetEvaluationPeriods(1); request.SetMetricName("CPUUtilization"); request.SetNamespace("AWS/EC2"); request.SetPeriod(60); request.SetStatistic(Aws::CloudWatch::Model::Statistic::Average); request.SetThreshold(70.0); request.SetActionsEnabled(false); request.SetAlarmDescription("Alarm when server CPU exceeds 70%"); request.SetUnit(Aws::CloudWatch::Model::StandardUnit::Seconds); Aws::CloudWatch::Model::Dimension dimension; dimension.SetName("InstanceId"); dimension.SetValue(instanceId); request.AddDimensions(dimension); auto outcome = cw.PutMetricAlarm(request); if (!outcome.IsSuccess()) { std::cout << "Failed to create CloudWatch alarm:" << outcome.GetError().GetMessage() << std::endl; } else { std::cout << "Successfully created CloudWatch alarm " << alarm_name << std::endl; }
  • 有关 API 的详细信息,请参阅 AWS SDK for C++ API 参考PutMetricAlarm中的。

以下代码示例演示如何使用 PutMetricData

SDK for C++
注意

还有更多相关信息 GitHub。查找完整示例,了解如何在 AWS 代码示例存储库中进行设置和运行。

包含所需的文件。

#include <aws/core/Aws.h> #include <aws/monitoring/CloudWatchClient.h> #include <aws/monitoring/model/PutMetricDataRequest.h> #include <iostream>

将数据放入指标。

Aws::CloudWatch::CloudWatchClient cw; Aws::CloudWatch::Model::Dimension dimension; dimension.SetName("UNIQUE_PAGES"); dimension.SetValue("URLS"); Aws::CloudWatch::Model::MetricDatum datum; datum.SetMetricName("PAGES_VISITED"); datum.SetUnit(Aws::CloudWatch::Model::StandardUnit::None); datum.SetValue(data_point); datum.AddDimensions(dimension); Aws::CloudWatch::Model::PutMetricDataRequest request; request.SetNamespace("SITE/TRAFFIC"); request.AddMetricData(datum); auto outcome = cw.PutMetricData(request); if (!outcome.IsSuccess()) { std::cout << "Failed to put sample metric data:" << outcome.GetError().GetMessage() << std::endl; } else { std::cout << "Successfully put sample metric data" << std::endl; }
  • 有关 API 的详细信息,请参阅 AWS SDK for C++ API 参考PutMetricData中的。