Blame: cpp/example_code/cloudwatch/put_metric_alarm.cpp - awsdocs/aws-doc-sdk-examples

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Cloudwatch updates (C++) 2021-11-15 13:31:25 +00:00			`// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.`
			`// SPDX-License-Identifier: Apache-2.0`

add comments 2021-12-17 14:41:43 +00:00			`/* ////////////////////////////////////////////////////////////////////////////`
			`* Purpose: put_metric_alarm.cpp demonstrates how to attach an Amazon CloudWatch metrics alarm.`
			`*`
			`* Prerequisites:`
add comments 2021-12-21 13:36:46 +00:00			`* An Amazon CloudWatch metric with an alarm.`
add comments 2021-12-17 14:41:43 +00:00			`*`
			`* Inputs:`
add comments 2021-12-21 13:36:46 +00:00			`* - put_metric_alarm: The name of the metric (entered as the first argument in the command line).`
add comments 2021-12-17 17:57:59 +00:00			`* - alarm_name: The name of the alarm (entered as the second argument in the command line).`
			`* - instance_id: The instance id of the alarm (entered as the third argument in the command line).`
add comments 2021-12-17 14:41:43 +00:00			`*`
add comments 2021-12-17 17:57:59 +00:00			`* Output:`
add comments 2021-12-21 13:36:46 +00:00			`* The alarm is added to the metric.`
add comments 2021-12-17 14:41:43 +00:00			`* ///////////////////////////////////////////////////////////////////////// */`
CPP 2021-11-15 13:15:43 +00:00			`// snippet-start:[cw.cpp.put_metric_alarm.inc]`
			`#include <aws/core/Aws.h>`
			`#include <aws/monitoring/CloudWatchClient.h>`
			`#include <aws/monitoring/model/PutMetricAlarmRequest.h>`
			`#include <iostream>`
			`// snippet-end:[cw.cpp.put_metric_alarm.inc]`

			`/**`
add comments 2021-12-21 13:36:46 +00:00			`* Adds a CloudWatch alarm to an instance based on CPU utilization.`
CPP 2021-11-15 13:15:43 +00:00			`*/`
			`int main(int argc, char** argv)`
			`{`
			`if (argc != 3)`
			`{`
			`std::cout << "Usage:" << " put_metric_alarm " <<`
			`"<alarm_name> <instance_id>" << std::endl;`
			`return 1;`
			`}`

			`Aws::SDKOptions options;`
			`Aws::InitAPI(options);`
			`{`
			`Aws::String alarm_name(argv[1]);`
			`Aws::String instanceId(argv[2]);`

			`// snippet-start:[cw.cpp.put_metric_alarm.code]`
			`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;`
			`}`
			`// snippet-end:[cw.cpp.put_metric_alarm.code]`
			`}`
			`Aws::ShutdownAPI(options);`
			`return 0;`
			`}`