Hay más ejemplos de AWS SDK disponibles en el GitHub repositorio de [ejemplos de AWS Doc SDK](https://github.com/awsdocs/aws-doc-sdk-examples).
Las traducciones son generadas a través de traducción automática. En caso de conflicto entre la traducción y la version original de inglés, prevalecerá la version en inglés.
# Úselo `GetMetricStatistics` con un AWS SDK o CLI
Los siguientes ejemplos de código muestran cómo utilizar `GetMetricStatistics`.
Los ejemplos de acciones son extractos de código de programas más grandes y deben ejecutarse en contexto. Puede ver esta acción en contexto en los siguientes ejemplos de código:
+ [Conceptos básicos](cloudwatch_example_cloudwatch_GetStartedMetricsDashboardsAlarms_section.md)
+ [Gestionar métricas y alarmas](cloudwatch_example_cloudwatch_Usage_MetricsAlarms_section.md)
------
#### [ .NET ]
**SDK para .NET (v4)**
Hay más información GitHub. Busque el ejemplo completo y aprenda a configurar y ejecutar en el [Repositorio de ejemplos de código de AWS](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/dotnetv4/CloudWatch#code-examples).
```
///
/// Get billing statistics using a call to a wrapper class.
///
/// A collection of billing statistics.
private static async Task> SetupBillingStatistics()
{
// Make a request for EstimatedCharges with a period of one day for the past seven days.
var billingStatistics = await _cloudWatchWrapper.GetMetricStatistics(
"AWS/Billing",
"EstimatedCharges",
new List() { "Maximum" },
new List() { new Dimension { Name = "Currency", Value = "USD" } },
7,
86400);
billingStatistics = billingStatistics.OrderBy(n => n.Timestamp).ToList();
return billingStatistics;
}
///
/// Wrapper to get statistics for a specific CloudWatch metric.
///
/// The namespace of the metric.
/// The name of the metric.
/// The list of statistics to include.
/// The list of dimensions to include.
/// The number of days in the past to include.
/// The period for the data.
/// A list of DataPoint objects for the statistics.
public async Task> GetMetricStatistics(string metricNamespace,
string metricName, List statistics, List dimensions, int days, int period)
{
var metricStatistics = await _amazonCloudWatch.GetMetricStatisticsAsync(
new GetMetricStatisticsRequest()
{
Namespace = metricNamespace,
MetricName = metricName,
Dimensions = dimensions,
Statistics = statistics,
StartTimeUtc = DateTime.UtcNow.AddDays(-days),
EndTimeUtc = DateTime.UtcNow,
Period = period
});
return metricStatistics.Datapoints ?? new List();
}
```
+ Para obtener más información sobre la API, consulta [GetMetricStatistics](https://docs.aws.amazon.com/goto/DotNetSDKV4/monitoring-2010-08-01/GetMetricStatistics)la *Referencia AWS SDK para .NET de la API*.
------
#### [ CLI ]
**AWS CLI**
**Obtención de la utilización de la CPU por cada instancia de EC2**
En el siguiente ejemplo, se utiliza el comando `get-metric-statistics` para obtener la utilización de la CPU para una instancia de EC2 con el ID i-abcdef.
```
aws cloudwatch get-metric-statistics --metric-name CPUUtilization --start-time 2014-04-08T23:18:00Z --end-time 2014-04-09T23:18:00Z --period 3600 --namespace AWS/EC2 --statistics Maximum --dimensions Name=InstanceId,Value=i-abcdef
```
Salida:
```
{
"Datapoints": [
{
"Timestamp": "2014-04-09T11:18:00Z",
"Maximum": 44.79,
"Unit": "Percent"
},
{
"Timestamp": "2014-04-09T20:18:00Z",
"Maximum": 47.92,
"Unit": "Percent"
},
{
"Timestamp": "2014-04-09T19:18:00Z",
"Maximum": 50.85,
"Unit": "Percent"
},
{
"Timestamp": "2014-04-09T09:18:00Z",
"Maximum": 47.92,
"Unit": "Percent"
},
{
"Timestamp": "2014-04-09T03:18:00Z",
"Maximum": 76.84,
"Unit": "Percent"
},
{
"Timestamp": "2014-04-09T21:18:00Z",
"Maximum": 48.96,
"Unit": "Percent"
},
{
"Timestamp": "2014-04-09T14:18:00Z",
"Maximum": 47.92,
"Unit": "Percent"
},
{
"Timestamp": "2014-04-09T08:18:00Z",
"Maximum": 47.92,
"Unit": "Percent"
},
{
"Timestamp": "2014-04-09T16:18:00Z",
"Maximum": 45.55,
"Unit": "Percent"
},
{
"Timestamp": "2014-04-09T06:18:00Z",
"Maximum": 47.92,
"Unit": "Percent"
},
{
"Timestamp": "2014-04-09T13:18:00Z",
"Maximum": 45.08,
"Unit": "Percent"
},
{
"Timestamp": "2014-04-09T05:18:00Z",
"Maximum": 47.92,
"Unit": "Percent"
},
{
"Timestamp": "2014-04-09T18:18:00Z",
"Maximum": 46.88,
"Unit": "Percent"
},
{
"Timestamp": "2014-04-09T17:18:00Z",
"Maximum": 52.08,
"Unit": "Percent"
},
{
"Timestamp": "2014-04-09T07:18:00Z",
"Maximum": 47.92,
"Unit": "Percent"
},
{
"Timestamp": "2014-04-09T02:18:00Z",
"Maximum": 51.23,
"Unit": "Percent"
},
{
"Timestamp": "2014-04-09T12:18:00Z",
"Maximum": 47.67,
"Unit": "Percent"
},
{
"Timestamp": "2014-04-08T23:18:00Z",
"Maximum": 46.88,
"Unit": "Percent"
},
{
"Timestamp": "2014-04-09T10:18:00Z",
"Maximum": 51.91,
"Unit": "Percent"
},
{
"Timestamp": "2014-04-09T04:18:00Z",
"Maximum": 47.13,
"Unit": "Percent"
},
{
"Timestamp": "2014-04-09T15:18:00Z",
"Maximum": 48.96,
"Unit": "Percent"
},
{
"Timestamp": "2014-04-09T00:18:00Z",
"Maximum": 48.16,
"Unit": "Percent"
},
{
"Timestamp": "2014-04-09T01:18:00Z",
"Maximum": 49.18,
"Unit": "Percent"
}
],
"Label": "CPUUtilization"
}
```
**Especificación de varias dimensiones**
En el siguiente ejemplo, se ilustra cómo especificar varias dimensiones. Cada dimensión se especifica como un Name/Value par, con una coma entre el nombre y el valor. Cuando existen varias dimensiones se separan con un espacio. Si una métrica incluye varias dimensiones, debe especificar un valor para cada dimensión definida.
Para ver más ejemplos del uso del `get-metric-statistics` comando, consulta Obtener estadísticas para una métrica en la *Guía para CloudWatch desarrolladores de Amazon*.
```
aws cloudwatch get-metric-statistics --metric-name Buffers --namespace MyNameSpace --dimensions Name=InstanceID,Value=i-abcdef Name=InstanceType,Value=m1.small --start-time 2016-10-15T04:00:00Z --end-time 2016-10-19T07:00:00Z --statistics Average --period 60
```
+ Para obtener más información sobre la API, consulte [GetMetricStatistics](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/cloudwatch/get-metric-statistics.html)la *Referencia de AWS CLI comandos*.
------
#### [ Java ]
**SDK para Java 2.x**
Hay más información al respecto GitHub. Busque el ejemplo completo y aprenda a configurar y ejecutar en el [Repositorio de ejemplos de código de AWS](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javav2/example_code/cloudwatch#code-examples).
```
/**
* Retrieves and displays metric statistics for the specified parameters.
*
* @param nameSpace the namespace for the metric
* @param metVal the name of the metric
* @param metricOption the statistic to retrieve for the metric (e.g., "Maximum", "Average")
* @param date the date for which to retrieve the metric statistics, in the format "yyyy-MM-dd'T'HH:mm:ss'Z'"
* @param myDimension the dimension(s) to filter the metric statistics by
* @return a {@link CompletableFuture} that completes when the metric statistics have been retrieved and displayed
*/
public CompletableFuture getAndDisplayMetricStatisticsAsync(String nameSpace, String metVal,
String metricOption, String date, Dimension myDimension) {
Instant start = Instant.parse(date);
Instant endDate = Instant.now();
// Building the request for metric statistics.
GetMetricStatisticsRequest statisticsRequest = GetMetricStatisticsRequest.builder()
.endTime(endDate)
.startTime(start)
.dimensions(myDimension)
.metricName(metVal)
.namespace(nameSpace)
.period(86400) // 1 day period
.statistics(Statistic.fromValue(metricOption))
.build();
return getAsyncClient().getMetricStatistics(statisticsRequest)
.whenComplete((response, exception) -> {
if (response != null) {
List data = response.datapoints();
if (!data.isEmpty()) {
for (Datapoint datapoint : data) {
logger.info("Timestamp: {} Maximum value: {}", datapoint.timestamp(), datapoint.maximum());
}
} else {
logger.info("The returned data list is empty");
}
} else {
logger.info("Failed to get metric statistics: {} ", exception.getMessage());
}
})
.exceptionally(exception -> {
throw new RuntimeException("Error while getting metric statistics: " + exception.getMessage(), exception);
});
}
```
+ Para obtener más información sobre la API, consulta [GetMetricStatistics](https://docs.aws.amazon.com/goto/SdkForJavaV2/monitoring-2010-08-01/GetMetricStatistics)la *Referencia AWS SDK for Java 2.x de la API*.
------
#### [ Kotlin ]
**SDK para Kotlin**
Hay más información al respecto GitHub. Busque el ejemplo completo y aprenda a configurar y ejecutar en el [Repositorio de ejemplos de código de AWS](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/kotlin/services/cloudwatch#code-examples).
```
suspend fun getAndDisplayMetricStatistics(
nameSpaceVal: String,
metVal: String,
metricOption: String,
date: String,
myDimension: Dimension,
) {
val start = Instant.parse(date)
val endDate = Instant.now()
val statisticsRequest =
GetMetricStatisticsRequest {
endTime =
aws.smithy.kotlin.runtime.time
.Instant(endDate)
startTime =
aws.smithy.kotlin.runtime.time
.Instant(start)
dimensions = listOf(myDimension)
metricName = metVal
namespace = nameSpaceVal
period = 86400
statistics = listOf(Statistic.fromValue(metricOption))
}
CloudWatchClient { region = "us-east-1" }.use { cwClient ->
val response = cwClient.getMetricStatistics(statisticsRequest)
val data = response.datapoints
if (data != null) {
if (data.isNotEmpty()) {
for (datapoint in data) {
println("Timestamp: ${datapoint.timestamp} Maximum value: ${datapoint.maximum}")
}
} else {
println("The returned data list is empty")
}
}
}
}
```
+ Para obtener más información sobre la API, consulta [GetMetricStatistics](https://sdk.amazonaws.com/kotlin/api/latest/index.html)la *referencia sobre el AWS SDK para la API de Kotlin*.
------
#### [ Python ]
**SDK para Python (Boto3)**
Hay más información al respecto. GitHub Busque el ejemplo completo y aprenda a configurar y ejecutar en el [Repositorio de ejemplos de código de AWS](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/python/example_code/cloudwatch#code-examples).
```
class CloudWatchWrapper:
"""Encapsulates Amazon CloudWatch functions."""
def __init__(self, cloudwatch_resource):
"""
:param cloudwatch_resource: A Boto3 CloudWatch resource.
"""
self.cloudwatch_resource = cloudwatch_resource
def get_metric_statistics(self, namespace, name, start, end, period, stat_types):
"""
Gets statistics for a metric within a specified time span. Metrics are grouped
into the specified period.
:param namespace: The namespace of the metric.
:param name: The name of the metric.
:param start: The UTC start time of the time span to retrieve.
:param end: The UTC end time of the time span to retrieve.
:param period: The period, in seconds, in which to group metrics. The period
must match the granularity of the metric, which depends on
the metric's age. For example, metrics that are older than
three hours have a one-minute granularity, so the period must
be at least 60 and must be a multiple of 60.
:param stat_types: The type of statistics to retrieve, such as average value
or maximum value.
:return: The retrieved statistics for the metric.
"""
try:
metric = self.cloudwatch_resource.Metric(namespace, name)
stats = metric.get_statistics(
StartTime=start, EndTime=end, Period=period, Statistics=stat_types
)
logger.info(
"Got %s statistics for %s.", len(stats["Datapoints"]), stats["Label"]
)
except ClientError:
logger.exception("Couldn't get statistics for %s.%s.", namespace, name)
raise
else:
return stats
```
+ Para obtener más información sobre la API, consulta [GetMetricStatistics](https://docs.aws.amazon.com/goto/boto3/monitoring-2010-08-01/GetMetricStatistics)la *AWS Referencia de API de SDK for Python (Boto3*).
------
#### [ SAP ABAP ]
**SDK para SAP ABAP**
Hay más información al respecto. GitHub Busque el ejemplo completo y aprenda a configurar y ejecutar en el [Repositorio de ejemplos de código de AWS](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/sap-abap/services/cwt#code-examples).
```
TRY.
oo_result = lo_cwt->getmetricstatistics( " oo_result is returned for testing purposes. "
iv_namespace = iv_namespace
iv_metricname = iv_metric_name
iv_starttime = iv_start_time
iv_endtime = iv_end_time
iv_period = iv_period
it_statistics = it_statistics ).
MESSAGE 'Metric statistics retrieved.' TYPE 'I'.
CATCH /aws1/cx_cwtinvparamvalueex.
MESSAGE 'The specified argument was not valid.' TYPE 'E'.
ENDTRY.
```
+ Para obtener más información sobre la API, consulte [GetMetricStatistics](https://docs.aws.amazon.com/sdk-for-sap-abap/v1/api/latest/index.html)la *referencia sobre la API ABAP del AWS SDK para SAP*.
------