Use DescribeScalingActivities com um AWS SDK ou CLI

    /// <summary>
    /// Retrieve a list of the Amazon EC2 Auto Scaling activities for an
    /// Amazon EC2 Auto Scaling group.
    /// </summary>
    /// <param name="groupName">The name of the Amazon EC2 Auto Scaling group.</param>
    /// <returns>A list of Amazon EC2 Auto Scaling activities.</returns>
    public async Task<List<Amazon.AutoScaling.Model.Activity>> DescribeScalingActivitiesAsync(
        string groupName)
    {
        var scalingActivitiesRequest = new DescribeScalingActivitiesRequest
        {
            AutoScalingGroupName = groupName,
            MaxRecords = 10,
        };

        var response = await _amazonAutoScaling.DescribeScalingActivitiesAsync(scalingActivitiesRequest);
        return response.Activities;
    }

        Aws::Client::ClientConfiguration clientConfig;
        // Optional: Set to the AWS Region (overrides config file).
        // clientConfig.region = "us-east-1";

    Aws::AutoScaling::AutoScalingClient autoScalingClient(clientConfig);

        Aws::AutoScaling::Model::DescribeScalingActivitiesRequest request;
        request.SetAutoScalingGroupName(groupName);

        Aws::Vector<Aws::AutoScaling::Model::Activity> allActivities;
        Aws::String nextToken; // Used for pagination;
        do {
            if (!nextToken.empty()) {
                request.SetNextToken(nextToken);
            }
            Aws::AutoScaling::Model::DescribeScalingActivitiesOutcome outcome =
                    autoScalingClient.DescribeScalingActivities(request);

            if (outcome.IsSuccess()) {
                const Aws::Vector<Aws::AutoScaling::Model::Activity> &activities =
                        outcome.GetResult().GetActivities();
                allActivities.insert(allActivities.end(), activities.begin(), activities.end());
                nextToken  = outcome.GetResult().GetNextToken();
            }
            else {
                std::cerr << "Error with AutoScaling::DescribeScalingActivities. "
                          << outcome.GetError().GetMessage()
                          << std::endl;

            }
        } while (!nextToken.empty());

        std::cout << "Found " << allActivities.size() << " activities."
                  << std::endl;
        std::cout << "Activities are ordered with the most recent first."
                  << std::endl;
        for (const Aws::AutoScaling::Model::Activity &activity: allActivities) {
            std::cout << activity.GetDescription() << std::endl;
            std::cout << activity.GetDetails() << std::endl;
        }

Exemplo 1: como descrever as ações de escalabilidade do grupo especificado

Este exemplo descreve as ações de escalabilidade do grupo do Auto Scaling especificado.

aws autoscaling describe-scaling-activities \
    --auto-scaling-group-name my-asg

Saída:

{
    "Activities": [
        {
            "ActivityId": "f9f2d65b-f1f2-43e7-b46d-d86756459699",
            "Description": "Launching a new EC2 instance: i-0d44425630326060f",
            "AutoScalingGroupName": "my-asg",
            "Cause": "At 2020-10-30T19:35:51Z a user request update of AutoScalingGroup constraints to min: 0, max: 16, desired: 16 changing the desired capacity from 0 to 16.  At 2020-10-30T19:36:07Z an instance was started in response to a difference between desired and actual capacity, increasing the capacity from 0 to 16.",
            "StartTime": "2020-10-30T19:36:09.766Z",
            "EndTime": "2020-10-30T19:36:41Z",
            "StatusCode": "Successful",
            "Progress": 100,
            "Details": "{\"Subnet ID\":\"subnet-5ea0c127\",\"Availability Zone\":\"us-west-2b\"}"
        }
    ]
}

Para obter mais informações, consulte Verificar uma atividade de escalabilidade para um grupo de Auto Scaling no Guia do usuário do Amazon Auto EC2 Scaling.

Exemplo 2: como descrever as ações de escalabilidade de um grupo excluído

Adicione a opção --include-deleted-groups para descrever as ações de escalabilidade depois que o grupo do Auto Scaling for excluído.

aws autoscaling describe-scaling-activities \
    --auto-scaling-group-name my-asg \
    --include-deleted-groups

Saída:

{
    "Activities": [
        {
            "ActivityId": "e1f5de0e-f93e-1417-34ac-092a76fba220",
            "Description": "Launching a new EC2 instance.  Status Reason: Your Spot request price of 0.001 is lower than the minimum required Spot request fulfillment price of 0.0031. Launching EC2 instance failed.",
            "AutoScalingGroupName": "my-asg",
            "Cause": "At 2021-01-13T20:47:24Z a user request update of AutoScalingGroup constraints to min: 1, max: 5, desired: 3 changing the desired capacity from 0 to 3.  At 2021-01-13T20:47:27Z an instance was started in response to a difference between desired and actual capacity, increasing the capacity from 0 to 3.",
            "StartTime": "2021-01-13T20:47:30.094Z",
            "EndTime": "2021-01-13T20:47:30Z",
            "StatusCode": "Failed",
            "StatusMessage": "Your Spot request price of 0.001 is lower than the minimum required Spot request fulfillment price of 0.0031. Launching EC2 instance failed.",
            "Progress": 100,
            "Details": "{\"Subnet ID\":\"subnet-5ea0c127\",\"Availability Zone\":\"us-west-2b\"}",
            "AutoScalingGroupState": "Deleted",
            "AutoScalingGroupARN": "arn:aws:autoscaling:us-west-2:123456789012:autoScalingGroup:283179a2-f3ce-423d-93f6-66bb518232f7:autoScalingGroupName/my-asg"
        }
    ]
}

Para obter mais informações, consulte Solucionar problemas do Amazon EC2 Auto Scaling no Guia do usuário do Amazon Auto EC2 Scaling.

Exemplo 3: como descrever um número especificado de ações de escalabilidade

Use a opção --max-items para retornar um número específico de ações.

aws autoscaling describe-scaling-activities \
    --max-items 1

Saída:

{
    "Activities": [
        {
            "ActivityId": "f9f2d65b-f1f2-43e7-b46d-d86756459699",
            "Description": "Launching a new EC2 instance: i-0d44425630326060f",
            "AutoScalingGroupName": "my-asg",
            "Cause": "At 2020-10-30T19:35:51Z a user request update of AutoScalingGroup constraints to min: 0, max: 16, desired: 16 changing the desired capacity from 0 to 16.  At 2020-10-30T19:36:07Z an instance was started in response to a difference between desired and actual capacity, increasing the capacity from 0 to 16.",
            "StartTime": "2020-10-30T19:36:09.766Z",
            "EndTime": "2020-10-30T19:36:41Z",
            "StatusCode": "Successful",
            "Progress": 100,
            "Details": "{\"Subnet ID\":\"subnet-5ea0c127\",\"Availability Zone\":\"us-west-2b\"}"
        }
    ]
}

Se a saída incluir um campo NextToken, há mais ações. Para obter as ações adicionais, use o valor desse campo com a opção --starting-token em uma chamada subsequente da seguinte maneira.

aws autoscaling describe-scaling-activities \
    --starting-token Z3M3LMPEXAMPLE

Para obter mais informações, consulte Verificar uma atividade de escalabilidade para um grupo de Auto Scaling no Guia do usuário do Amazon Auto EC2 Scaling.

    public static void describeScalingActivities(AutoScalingClient autoScalingClient, String groupName) {
        try {
            DescribeScalingActivitiesRequest scalingActivitiesRequest = DescribeScalingActivitiesRequest.builder()
                    .autoScalingGroupName(groupName)
                    .maxRecords(10)
                    .build();

            DescribeScalingActivitiesResponse response = autoScalingClient
                    .describeScalingActivities(scalingActivitiesRequest);
            List<Activity> activities = response.activities();
            for (Activity activity : activities) {
                System.out.println("The activity Id is " + activity.activityId());
                System.out.println("The activity details are " + activity.details());
            }

        } catch (AutoScalingException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
    }

suspend fun describeAutoScalingGroups(groupName: String) {
    val groupsReques =
        DescribeAutoScalingGroupsRequest {
            autoScalingGroupNames = listOf(groupName)
            maxRecords = 10
        }

    AutoScalingClient { region = "us-east-1" }.use { autoScalingClient ->
        val response = autoScalingClient.describeAutoScalingGroups(groupsReques)
        response.autoScalingGroups?.forEach { group ->
            println("The service to use for the health checks: ${group.healthCheckType}")
        }
    }
}

    public function describeScalingActivities($autoScalingGroupName)
    {
        return $this->autoScalingClient->describeScalingActivities([
            'AutoScalingGroupName' => $autoScalingGroupName,
        ]);
    }

Exemplo 1: Este exemplo descreve as atividades de escalonamento das últimas seis semanas para o grupo de Auto Scaling especificado.

Get-ASScalingActivity -AutoScalingGroupName my-asg

Saída:

ActivityId           : 063308ae-aa22-4a9b-94f4-9fae4EXAMPLE
AutoScalingGroupName : my-asg
Cause                : At 2015-11-22T15:45:16Z a user request explicitly set group desired capacity changing the desired
                       capacity from 1 to 2.  At 2015-11-22T15:45:34Z an instance was started in response to a difference
                       between desired and actual capacity, increasing the capacity from 1 to 2.
Description          : Launching a new EC2 instance: i-26e715fc
Details              : {"Availability Zone":"us-west-2b","Subnet ID":"subnet-5264e837"}
EndTime              : 11/22/2015 7:46:09 AM
Progress             : 100
StartTime            : 11/22/2015 7:45:35 AM
StatusCode           : Successful
StatusMessage        :

ActivityId           : ce719997-086d-4c73-a2f1-ab703EXAMPLE
AutoScalingGroupName : my-asg
Cause                : At 2015-11-20T22:57:53Z a user request created an AutoScalingGroup changing the desired capacity
                        from 0 to 1.  At 2015-11-20T22:57:58Z an instance was started in response to a difference betwe
                       en desired and actual capacity, increasing the capacity from 0 to 1.
Description          : Launching a new EC2 instance: i-93633f9b
Details              : {"Availability Zone":"us-west-2b","Subnet ID":"subnet-5264e837"}
EndTime              : 11/20/2015 2:58:32 PM
Progress             : 100
StartTime            : 11/20/2015 2:57:59 PM
StatusCode           : Successful
StatusMessage        :

Exemplo 2: Este exemplo descreve a atividade de escalabilidade especificada.

Get-ASScalingActivity -ActivityId "063308ae-aa22-4a9b-94f4-9fae4EXAMPLE"

Exemplo 3: Este exemplo descreve as atividades de escalonamento das últimas seis semanas para todos os seus grupos de Auto Scaling.

Get-ASScalingActivity

class AutoScalingWrapper:
    """Encapsulates Amazon EC2 Auto Scaling actions."""

    def __init__(self, autoscaling_client):
        """
        :param autoscaling_client: A Boto3 Amazon EC2 Auto Scaling client.
        """
        self.autoscaling_client = autoscaling_client


    def describe_scaling_activities(self, group_name: str) -> List[Dict[str, Any]]:
        """
        Gets information about scaling activities for the group. Scaling activities
        are things like instances stopping or starting in response to user requests
        or capacity changes.

        :param group_name: The name of the group to look up.
        :return: A list of dictionaries representing the scaling activities for the
                 group, ordered with the most recent activity first.
        :raises ClientError: If there is an error describing the scaling activities.
        """
        try:
            paginator = self.autoscaling_client.get_paginator(
                "describe_scaling_activities"
            )
            response_iterator = paginator.paginate(AutoScalingGroupName=group_name)
            activities = []
            for response in response_iterator:
                activities.extend(response.get("Activities", []))

            logger.info(
                f"Successfully described scaling activities for group '{group_name}'."
            )

        except ClientError as err:
            error_code = err.response["Error"]["Code"]
            logger.error(
                f"Couldn't describe scaling activities for group '{group_name}'. Error code: {error_code}, Message: {err.response['Error']['Message']}"
            )

            if error_code == "ResourceContentionFault":
                logger.error(
                    f"There is a conflict with another operation that is modifying the Auto Scaling group '{group_name}'. "
                    "Please try again later."
                )
            raise
        else:
            return activities

    pub async fn describe_scenario(&self) -> AutoScalingScenarioDescription {
        let group = self
            .autoscaling
            .describe_auto_scaling_groups()
            .auto_scaling_group_names(self.auto_scaling_group_name.clone())
            .send()
            .await
            .map(|s| {
                s.auto_scaling_groups()
                    .iter()
                    .map(|s| {
                        format!(
                            "{}: {}",
                            s.auto_scaling_group_name().unwrap_or("Unknown"),
                            s.status().unwrap_or("Unknown")
                        )
                    })
                    .collect::<Vec<String>>()
            })
            .map_err(|e| {
                ScenarioError::new("Failed to describe auto scaling groups for scenario", &e)
            });

        let instances = self
            .list_instances()
            .await
            .map_err(|e| anyhow!("There was an error listing instances: {e}",));

        // 10. DescribeScalingActivities: list the scaling activities that have occurred for the group so far.
        //   Bonus: use CloudWatch API to get and show some metrics collected for the group.
        //   CW.ListMetrics with Namespace='AWS/AutoScaling' and Dimensions=[{'Name': 'AutoScalingGroupName', 'Value': }]
        //   CW.GetMetricStatistics with Statistics='Sum'. Start and End times must be in UTC!
        let activities = self
            .autoscaling
            .describe_scaling_activities()
            .auto_scaling_group_name(self.auto_scaling_group_name.clone())
            .into_paginator()
            .items()
            .send()
            .collect::<Result<Vec<_>, _>>()
            .await
            .map_err(|e| {
                anyhow!(
                    "There was an error retrieving scaling activities: {}",
                    DisplayErrorContext(&e)
                )
            });

        AutoScalingScenarioDescription {
            group,
            instances,
            activities,
        }
    }