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/*
* Copyright 2016-2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License"). You may not use this file except in compliance with
* the License. A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
* CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions
* and limitations under the License.
*/
package com.amazonaws.services.autoscaling;
import javax.annotation.Generated;
import com.amazonaws.*;
import com.amazonaws.regions.*;
import com.amazonaws.services.autoscaling.model.*;
import com.amazonaws.services.autoscaling.waiters.AmazonAutoScalingWaiters;
/**
* Interface for accessing Auto Scaling.
*
* Note: Do not directly implement this interface, new methods are added to it regularly. Extend from
* {@link com.amazonaws.services.autoscaling.AbstractAmazonAutoScaling} instead.
*
*
* Amazon EC2 Auto Scaling
*
* Amazon EC2 Auto Scaling is designed to automatically launch or terminate EC2 instances based on user-defined scaling
* policies, scheduled actions, and health checks.
*
*
* For more information about Amazon EC2 Auto Scaling, see the Amazon EC2 Auto
* Scaling User Guide. For information about granting IAM users required permissions for calls to Amazon EC2 Auto
* Scaling, see Granting IAM
* users required permissions for Amazon EC2 Auto Scaling resources in the Amazon EC2 Auto Scaling API
* Reference.
*
*/
@Generated("com.amazonaws:aws-java-sdk-code-generator")
public interface AmazonAutoScaling {
/**
* The region metadata service name for computing region endpoints. You can use this value to retrieve metadata
* (such as supported regions) of the service.
*
* @see RegionUtils#getRegionsForService(String)
*/
String ENDPOINT_PREFIX = "autoscaling";
/**
* Overrides the default endpoint for this client ("https://autoscaling.amazonaws.com"). Callers can use this method
* to control which AWS region they want to work with.
*
* Callers can pass in just the endpoint (ex: "autoscaling.amazonaws.com") or a full URL, including the protocol
* (ex: "https://autoscaling.amazonaws.com"). If the protocol is not specified here, the default protocol from this
* client's {@link ClientConfiguration} will be used, which by default is HTTPS.
*
* For more information on using AWS regions with the AWS SDK for Java, and a complete list of all available
* endpoints for all AWS services, see: https://docs.aws.amazon.com/sdk-for-java/v1/developer-guide/java-dg-region-selection.html#region-selection-
* choose-endpoint
*
* This method is not threadsafe. An endpoint should be configured when the client is created and before any
* service requests are made. Changing it afterwards creates inevitable race conditions for any service requests in
* transit or retrying.
*
* @param endpoint
* The endpoint (ex: "autoscaling.amazonaws.com") or a full URL, including the protocol (ex:
* "https://autoscaling.amazonaws.com") of the region specific AWS endpoint this client will communicate
* with.
* @deprecated use {@link AwsClientBuilder#setEndpointConfiguration(AwsClientBuilder.EndpointConfiguration)} for
* example:
* {@code builder.setEndpointConfiguration(new EndpointConfiguration(endpoint, signingRegion));}
*/
@Deprecated
void setEndpoint(String endpoint);
/**
* An alternative to {@link AmazonAutoScaling#setEndpoint(String)}, sets the regional endpoint for this client's
* service calls. Callers can use this method to control which AWS region they want to work with.
*
* By default, all service endpoints in all regions use the https protocol. To use http instead, specify it in the
* {@link ClientConfiguration} supplied at construction.
*
* This method is not threadsafe. A region should be configured when the client is created and before any service
* requests are made. Changing it afterwards creates inevitable race conditions for any service requests in transit
* or retrying.
*
* @param region
* The region this client will communicate with. See {@link Region#getRegion(com.amazonaws.regions.Regions)}
* for accessing a given region. Must not be null and must be a region where the service is available.
*
* @see Region#getRegion(com.amazonaws.regions.Regions)
* @see Region#createClient(Class, com.amazonaws.auth.AWSCredentialsProvider, ClientConfiguration)
* @see Region#isServiceSupported(String)
* @deprecated use {@link AwsClientBuilder#setRegion(String)}
*/
@Deprecated
void setRegion(Region region);
/**
*
* Attaches one or more EC2 instances to the specified Auto Scaling group.
*
*
* When you attach instances, Amazon EC2 Auto Scaling increases the desired capacity of the group by the number of
* instances being attached. If the number of instances being attached plus the desired capacity of the group
* exceeds the maximum size of the group, the operation fails.
*
*
* If there is a Classic Load Balancer attached to your Auto Scaling group, the instances are also registered with
* the load balancer. If there are target groups attached to your Auto Scaling group, the instances are also
* registered with the target groups.
*
*
* For more information, see Attach EC2 instances to
* your Auto Scaling group in the Amazon EC2 Auto Scaling User Guide.
*
*
* @param attachInstancesRequest
* @return Result of the AttachInstances operation returned by the service.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @throws ServiceLinkedRoleFailureException
* The service-linked role is not yet ready for use.
* @sample AmazonAutoScaling.AttachInstances
* @see AWS
* API Documentation
*/
AttachInstancesResult attachInstances(AttachInstancesRequest attachInstancesRequest);
/**
*
* Attaches one or more target groups to the specified Auto Scaling group.
*
*
* This operation is used with the following load balancer types:
*
*
* -
*
* Application Load Balancer - Operates at the application layer (layer 7) and supports HTTP and HTTPS.
*
*
* -
*
* Network Load Balancer - Operates at the transport layer (layer 4) and supports TCP, TLS, and UDP.
*
*
* -
*
* Gateway Load Balancer - Operates at the network layer (layer 3).
*
*
*
*
* To describe the target groups for an Auto Scaling group, call the DescribeLoadBalancerTargetGroups API. To
* detach the target group from the Auto Scaling group, call the DetachLoadBalancerTargetGroups API.
*
*
* For more information, see Elastic Load
* Balancing and Amazon EC2 Auto Scaling in the Amazon EC2 Auto Scaling User Guide.
*
*
* @param attachLoadBalancerTargetGroupsRequest
* @return Result of the AttachLoadBalancerTargetGroups operation returned by the service.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @throws ServiceLinkedRoleFailureException
* The service-linked role is not yet ready for use.
* @sample AmazonAutoScaling.AttachLoadBalancerTargetGroups
* @see AWS API Documentation
*/
AttachLoadBalancerTargetGroupsResult attachLoadBalancerTargetGroups(AttachLoadBalancerTargetGroupsRequest attachLoadBalancerTargetGroupsRequest);
/**
*
*
* To attach an Application Load Balancer, Network Load Balancer, or Gateway Load Balancer, use the
* AttachLoadBalancerTargetGroups API operation instead.
*
*
*
* Attaches one or more Classic Load Balancers to the specified Auto Scaling group. Amazon EC2 Auto Scaling
* registers the running instances with these Classic Load Balancers.
*
*
* To describe the load balancers for an Auto Scaling group, call the DescribeLoadBalancers API. To detach
* the load balancer from the Auto Scaling group, call the DetachLoadBalancers API.
*
*
* For more information, see Elastic Load
* Balancing and Amazon EC2 Auto Scaling in the Amazon EC2 Auto Scaling User Guide.
*
*
* @param attachLoadBalancersRequest
* @return Result of the AttachLoadBalancers operation returned by the service.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @throws ServiceLinkedRoleFailureException
* The service-linked role is not yet ready for use.
* @sample AmazonAutoScaling.AttachLoadBalancers
* @see AWS API Documentation
*/
AttachLoadBalancersResult attachLoadBalancers(AttachLoadBalancersRequest attachLoadBalancersRequest);
/**
* Simplified method form for invoking the AttachLoadBalancers operation.
*
* @see #attachLoadBalancers(AttachLoadBalancersRequest)
*/
AttachLoadBalancersResult attachLoadBalancers();
/**
*
* Deletes one or more scheduled actions for the specified Auto Scaling group.
*
*
* @param batchDeleteScheduledActionRequest
* @return Result of the BatchDeleteScheduledAction operation returned by the service.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.BatchDeleteScheduledAction
* @see AWS API Documentation
*/
BatchDeleteScheduledActionResult batchDeleteScheduledAction(BatchDeleteScheduledActionRequest batchDeleteScheduledActionRequest);
/**
*
* Creates or updates one or more scheduled scaling actions for an Auto Scaling group.
*
*
* @param batchPutScheduledUpdateGroupActionRequest
* @return Result of the BatchPutScheduledUpdateGroupAction operation returned by the service.
* @throws AlreadyExistsException
* You already have an Auto Scaling group or launch configuration with this name.
* @throws LimitExceededException
* You have already reached a limit for your Amazon EC2 Auto Scaling resources (for example, Auto Scaling
* groups, launch configurations, or lifecycle hooks). For more information, see DescribeAccountLimits in the Amazon EC2 Auto Scaling API Reference.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.BatchPutScheduledUpdateGroupAction
* @see AWS API Documentation
*/
BatchPutScheduledUpdateGroupActionResult batchPutScheduledUpdateGroupAction(
BatchPutScheduledUpdateGroupActionRequest batchPutScheduledUpdateGroupActionRequest);
/**
*
* Cancels an instance refresh operation in progress. Cancellation does not roll back any replacements that have
* already been completed, but it prevents new replacements from being started.
*
*
* This operation is part of the instance refresh
* feature in Amazon EC2 Auto Scaling, which helps you update instances in your Auto Scaling group after you
* make configuration changes.
*
*
* @param cancelInstanceRefreshRequest
* @return Result of the CancelInstanceRefresh operation returned by the service.
* @throws LimitExceededException
* You have already reached a limit for your Amazon EC2 Auto Scaling resources (for example, Auto Scaling
* groups, launch configurations, or lifecycle hooks). For more information, see DescribeAccountLimits in the Amazon EC2 Auto Scaling API Reference.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @throws ActiveInstanceRefreshNotFoundException
* The request failed because an active instance refresh for the specified Auto Scaling group was not found.
* @sample AmazonAutoScaling.CancelInstanceRefresh
* @see AWS API Documentation
*/
CancelInstanceRefreshResult cancelInstanceRefresh(CancelInstanceRefreshRequest cancelInstanceRefreshRequest);
/**
*
* Completes the lifecycle action for the specified token or instance with the specified result.
*
*
* This step is a part of the procedure for adding a lifecycle hook to an Auto Scaling group:
*
*
* -
*
* (Optional) Create a Lambda function and a rule that allows CloudWatch Events to invoke your Lambda function when
* Amazon EC2 Auto Scaling launches or terminates instances.
*
*
* -
*
* (Optional) Create a notification target and an IAM role. The target can be either an Amazon SQS queue or an
* Amazon SNS topic. The role allows Amazon EC2 Auto Scaling to publish lifecycle notifications to the target.
*
*
* -
*
* Create the lifecycle hook. Specify whether the hook is used when the instances launch or terminate.
*
*
* -
*
* If you need more time, record the lifecycle action heartbeat to keep the instance in a pending state.
*
*
* -
*
* If you finish before the timeout period ends, complete the lifecycle action.
*
*
*
*
* For more information, see Amazon EC2 Auto Scaling
* lifecycle hooks in the Amazon EC2 Auto Scaling User Guide.
*
*
* @param completeLifecycleActionRequest
* @return Result of the CompleteLifecycleAction operation returned by the service.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.CompleteLifecycleAction
* @see AWS API Documentation
*/
CompleteLifecycleActionResult completeLifecycleAction(CompleteLifecycleActionRequest completeLifecycleActionRequest);
/**
*
* We strongly recommend using a launch template when calling this operation to ensure full functionality for
* Amazon EC2 Auto Scaling and Amazon EC2.
*
*
* Creates an Auto Scaling group with the specified name and attributes.
*
*
* If you exceed your maximum limit of Auto Scaling groups, the call fails. To query this limit, call the
* DescribeAccountLimits API. For information about updating this limit, see Amazon EC2 Auto Scaling
* service quotas in the Amazon EC2 Auto Scaling User Guide.
*
*
* For introductory exercises for creating an Auto Scaling group, see Getting started with
* Amazon EC2 Auto Scaling and Tutorial: Set up a
* scaled and load-balanced application in the Amazon EC2 Auto Scaling User Guide. For more information,
* see Auto Scaling groups
* in the Amazon EC2 Auto Scaling User Guide.
*
*
* Every Auto Scaling group has three size parameters (DesiredCapacity, MaxSize, and
* MinSize). Usually, you set these sizes based on a specific number of instances. However, if you
* configure a mixed instances policy that defines weights for the instance types, you must specify these sizes with
* the same units that you use for weighting instances.
*
*
* @param createAutoScalingGroupRequest
* @return Result of the CreateAutoScalingGroup operation returned by the service.
* @throws AlreadyExistsException
* You already have an Auto Scaling group or launch configuration with this name.
* @throws LimitExceededException
* You have already reached a limit for your Amazon EC2 Auto Scaling resources (for example, Auto Scaling
* groups, launch configurations, or lifecycle hooks). For more information, see DescribeAccountLimits in the Amazon EC2 Auto Scaling API Reference.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @throws ServiceLinkedRoleFailureException
* The service-linked role is not yet ready for use.
* @sample AmazonAutoScaling.CreateAutoScalingGroup
* @see AWS API Documentation
*/
CreateAutoScalingGroupResult createAutoScalingGroup(CreateAutoScalingGroupRequest createAutoScalingGroupRequest);
/**
*
* Creates a launch configuration.
*
*
* If you exceed your maximum limit of launch configurations, the call fails. To query this limit, call the
* DescribeAccountLimits API. For information about updating this limit, see Amazon EC2 Auto Scaling
* service quotas in the Amazon EC2 Auto Scaling User Guide.
*
*
* For more information, see Launch configurations
* in the Amazon EC2 Auto Scaling User Guide.
*
*
* @param createLaunchConfigurationRequest
* @return Result of the CreateLaunchConfiguration operation returned by the service.
* @throws AlreadyExistsException
* You already have an Auto Scaling group or launch configuration with this name.
* @throws LimitExceededException
* You have already reached a limit for your Amazon EC2 Auto Scaling resources (for example, Auto Scaling
* groups, launch configurations, or lifecycle hooks). For more information, see DescribeAccountLimits in the Amazon EC2 Auto Scaling API Reference.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.CreateLaunchConfiguration
* @see AWS API Documentation
*/
CreateLaunchConfigurationResult createLaunchConfiguration(CreateLaunchConfigurationRequest createLaunchConfigurationRequest);
/**
*
* Creates or updates tags for the specified Auto Scaling group.
*
*
* When you specify a tag with a key that already exists, the operation overwrites the previous tag definition, and
* you do not get an error message.
*
*
* For more information, see Tagging Auto Scaling groups
* and instances in the Amazon EC2 Auto Scaling User Guide.
*
*
* @param createOrUpdateTagsRequest
* @return Result of the CreateOrUpdateTags operation returned by the service.
* @throws LimitExceededException
* You have already reached a limit for your Amazon EC2 Auto Scaling resources (for example, Auto Scaling
* groups, launch configurations, or lifecycle hooks). For more information, see DescribeAccountLimits in the Amazon EC2 Auto Scaling API Reference.
* @throws AlreadyExistsException
* You already have an Auto Scaling group or launch configuration with this name.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @throws ResourceInUseException
* The operation can't be performed because the resource is in use.
* @sample AmazonAutoScaling.CreateOrUpdateTags
* @see AWS
* API Documentation
*/
CreateOrUpdateTagsResult createOrUpdateTags(CreateOrUpdateTagsRequest createOrUpdateTagsRequest);
/**
*
* Deletes the specified Auto Scaling group.
*
*
* If the group has instances or scaling activities in progress, you must specify the option to force the deletion
* in order for it to succeed.
*
*
* If the group has policies, deleting the group deletes the policies, the underlying alarm actions, and any alarm
* that no longer has an associated action.
*
*
* To remove instances from the Auto Scaling group before deleting it, call the DetachInstances API with the
* list of instances and the option to decrement the desired capacity. This ensures that Amazon EC2 Auto Scaling
* does not launch replacement instances.
*
*
* To terminate all instances before deleting the Auto Scaling group, call the UpdateAutoScalingGroup API and
* set the minimum size and desired capacity of the Auto Scaling group to zero.
*
*
* @param deleteAutoScalingGroupRequest
* @return Result of the DeleteAutoScalingGroup operation returned by the service.
* @throws ScalingActivityInProgressException
* The operation can't be performed because there are scaling activities in progress.
* @throws ResourceInUseException
* The operation can't be performed because the resource is in use.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.DeleteAutoScalingGroup
* @see AWS API Documentation
*/
DeleteAutoScalingGroupResult deleteAutoScalingGroup(DeleteAutoScalingGroupRequest deleteAutoScalingGroupRequest);
/**
*
* Deletes the specified launch configuration.
*
*
* The launch configuration must not be attached to an Auto Scaling group. When this call completes, the launch
* configuration is no longer available for use.
*
*
* @param deleteLaunchConfigurationRequest
* @return Result of the DeleteLaunchConfiguration operation returned by the service.
* @throws ResourceInUseException
* The operation can't be performed because the resource is in use.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.DeleteLaunchConfiguration
* @see AWS API Documentation
*/
DeleteLaunchConfigurationResult deleteLaunchConfiguration(DeleteLaunchConfigurationRequest deleteLaunchConfigurationRequest);
/**
*
* Deletes the specified lifecycle hook.
*
*
* If there are any outstanding lifecycle actions, they are completed first (ABANDON for launching
* instances, CONTINUE for terminating instances).
*
*
* @param deleteLifecycleHookRequest
* @return Result of the DeleteLifecycleHook operation returned by the service.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.DeleteLifecycleHook
* @see AWS API Documentation
*/
DeleteLifecycleHookResult deleteLifecycleHook(DeleteLifecycleHookRequest deleteLifecycleHookRequest);
/**
*
* Deletes the specified notification.
*
*
* @param deleteNotificationConfigurationRequest
* @return Result of the DeleteNotificationConfiguration operation returned by the service.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.DeleteNotificationConfiguration
* @see AWS API Documentation
*/
DeleteNotificationConfigurationResult deleteNotificationConfiguration(DeleteNotificationConfigurationRequest deleteNotificationConfigurationRequest);
/**
*
* Deletes the specified scaling policy.
*
*
* Deleting either a step scaling policy or a simple scaling policy deletes the underlying alarm action, but does
* not delete the alarm, even if it no longer has an associated action.
*
*
* For more information, see Deleting a scaling
* policy in the Amazon EC2 Auto Scaling User Guide.
*
*
* @param deletePolicyRequest
* @return Result of the DeletePolicy operation returned by the service.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @throws ServiceLinkedRoleFailureException
* The service-linked role is not yet ready for use.
* @sample AmazonAutoScaling.DeletePolicy
* @see AWS API
* Documentation
*/
DeletePolicyResult deletePolicy(DeletePolicyRequest deletePolicyRequest);
/**
*
* Deletes the specified scheduled action.
*
*
* @param deleteScheduledActionRequest
* @return Result of the DeleteScheduledAction operation returned by the service.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.DeleteScheduledAction
* @see AWS API Documentation
*/
DeleteScheduledActionResult deleteScheduledAction(DeleteScheduledActionRequest deleteScheduledActionRequest);
/**
*
* Deletes the specified tags.
*
*
* @param deleteTagsRequest
* @return Result of the DeleteTags operation returned by the service.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @throws ResourceInUseException
* The operation can't be performed because the resource is in use.
* @sample AmazonAutoScaling.DeleteTags
* @see AWS API
* Documentation
*/
DeleteTagsResult deleteTags(DeleteTagsRequest deleteTagsRequest);
/**
*
* Deletes the warm pool for the specified Auto Scaling group.
*
*
* For more information, see Warm pools for
* Amazon EC2 Auto Scaling in the Amazon EC2 Auto Scaling User Guide.
*
*
* @param deleteWarmPoolRequest
* @return Result of the DeleteWarmPool operation returned by the service.
* @throws LimitExceededException
* You have already reached a limit for your Amazon EC2 Auto Scaling resources (for example, Auto Scaling
* groups, launch configurations, or lifecycle hooks). For more information, see DescribeAccountLimits in the Amazon EC2 Auto Scaling API Reference.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @throws ScalingActivityInProgressException
* The operation can't be performed because there are scaling activities in progress.
* @throws ResourceInUseException
* The operation can't be performed because the resource is in use.
* @sample AmazonAutoScaling.DeleteWarmPool
* @see AWS API
* Documentation
*/
DeleteWarmPoolResult deleteWarmPool(DeleteWarmPoolRequest deleteWarmPoolRequest);
/**
*
* Describes the current Amazon EC2 Auto Scaling resource quotas for your account.
*
*
* When you establish an account, the account has initial quotas on the maximum number of Auto Scaling groups and
* launch configurations that you can create in a given Region. For more information, see Amazon EC2 Auto Scaling
* service quotas in the Amazon EC2 Auto Scaling User Guide.
*
*
* @param describeAccountLimitsRequest
* @return Result of the DescribeAccountLimits operation returned by the service.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.DescribeAccountLimits
* @see AWS API Documentation
*/
DescribeAccountLimitsResult describeAccountLimits(DescribeAccountLimitsRequest describeAccountLimitsRequest);
/**
* Simplified method form for invoking the DescribeAccountLimits operation.
*
* @see #describeAccountLimits(DescribeAccountLimitsRequest)
*/
DescribeAccountLimitsResult describeAccountLimits();
/**
*
* Describes the available adjustment types for step scaling and simple scaling policies.
*
*
* The following adjustment types are supported:
*
*
* -
*
* ChangeInCapacity
*
*
* -
*
* ExactCapacity
*
*
* -
*
* PercentChangeInCapacity
*
*
*
*
* @param describeAdjustmentTypesRequest
* @return Result of the DescribeAdjustmentTypes operation returned by the service.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.DescribeAdjustmentTypes
* @see AWS API Documentation
*/
DescribeAdjustmentTypesResult describeAdjustmentTypes(DescribeAdjustmentTypesRequest describeAdjustmentTypesRequest);
/**
* Simplified method form for invoking the DescribeAdjustmentTypes operation.
*
* @see #describeAdjustmentTypes(DescribeAdjustmentTypesRequest)
*/
DescribeAdjustmentTypesResult describeAdjustmentTypes();
/**
*
* Gets information about the Auto Scaling groups in the account and Region.
*
*
* This operation returns information about instances in Auto Scaling groups. To retrieve information about the
* instances in a warm pool, you must call the DescribeWarmPool API.
*
*
* @param describeAutoScalingGroupsRequest
* @return Result of the DescribeAutoScalingGroups operation returned by the service.
* @throws InvalidNextTokenException
* The NextToken value is not valid.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.DescribeAutoScalingGroups
* @see AWS API Documentation
*/
DescribeAutoScalingGroupsResult describeAutoScalingGroups(DescribeAutoScalingGroupsRequest describeAutoScalingGroupsRequest);
/**
* Simplified method form for invoking the DescribeAutoScalingGroups operation.
*
* @see #describeAutoScalingGroups(DescribeAutoScalingGroupsRequest)
*/
DescribeAutoScalingGroupsResult describeAutoScalingGroups();
/**
*
* Gets information about the Auto Scaling instances in the account and Region.
*
*
* @param describeAutoScalingInstancesRequest
* @return Result of the DescribeAutoScalingInstances operation returned by the service.
* @throws InvalidNextTokenException
* The NextToken value is not valid.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.DescribeAutoScalingInstances
* @see AWS API Documentation
*/
DescribeAutoScalingInstancesResult describeAutoScalingInstances(DescribeAutoScalingInstancesRequest describeAutoScalingInstancesRequest);
/**
* Simplified method form for invoking the DescribeAutoScalingInstances operation.
*
* @see #describeAutoScalingInstances(DescribeAutoScalingInstancesRequest)
*/
DescribeAutoScalingInstancesResult describeAutoScalingInstances();
/**
*
* Describes the notification types that are supported by Amazon EC2 Auto Scaling.
*
*
* @param describeAutoScalingNotificationTypesRequest
* @return Result of the DescribeAutoScalingNotificationTypes operation returned by the service.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.DescribeAutoScalingNotificationTypes
* @see AWS API Documentation
*/
DescribeAutoScalingNotificationTypesResult describeAutoScalingNotificationTypes(
DescribeAutoScalingNotificationTypesRequest describeAutoScalingNotificationTypesRequest);
/**
* Simplified method form for invoking the DescribeAutoScalingNotificationTypes operation.
*
* @see #describeAutoScalingNotificationTypes(DescribeAutoScalingNotificationTypesRequest)
*/
DescribeAutoScalingNotificationTypesResult describeAutoScalingNotificationTypes();
/**
*
* Gets information about the instance refreshes for the specified Auto Scaling group.
*
*
* This operation is part of the instance refresh
* feature in Amazon EC2 Auto Scaling, which helps you update instances in your Auto Scaling group after you
* make configuration changes.
*
*
* To help you determine the status of an instance refresh, this operation returns information about the instance
* refreshes you previously initiated, including their status, end time, the percentage of the instance refresh that
* is complete, and the number of instances remaining to update before the instance refresh is complete.
*
*
* The following are the possible statuses:
*
*
* -
*
* Pending - The request was created, but the operation has not started.
*
*
* -
*
* InProgress - The operation is in progress.
*
*
* -
*
* Successful - The operation completed successfully.
*
*
* -
*
* Failed - The operation failed to complete. You can troubleshoot using the status reason and the
* scaling activities.
*
*
* -
*
* Cancelling - An ongoing operation is being cancelled. Cancellation does not roll back any
* replacements that have already been completed, but it prevents new replacements from being started.
*
*
* -
*
* Cancelled - The operation is cancelled.
*
*
*
*
* @param describeInstanceRefreshesRequest
* @return Result of the DescribeInstanceRefreshes operation returned by the service.
* @throws InvalidNextTokenException
* The NextToken value is not valid.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.DescribeInstanceRefreshes
* @see AWS API Documentation
*/
DescribeInstanceRefreshesResult describeInstanceRefreshes(DescribeInstanceRefreshesRequest describeInstanceRefreshesRequest);
/**
*
* Gets information about the launch configurations in the account and Region.
*
*
* @param describeLaunchConfigurationsRequest
* @return Result of the DescribeLaunchConfigurations operation returned by the service.
* @throws InvalidNextTokenException
* The NextToken value is not valid.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.DescribeLaunchConfigurations
* @see AWS API Documentation
*/
DescribeLaunchConfigurationsResult describeLaunchConfigurations(DescribeLaunchConfigurationsRequest describeLaunchConfigurationsRequest);
/**
* Simplified method form for invoking the DescribeLaunchConfigurations operation.
*
* @see #describeLaunchConfigurations(DescribeLaunchConfigurationsRequest)
*/
DescribeLaunchConfigurationsResult describeLaunchConfigurations();
/**
*
* Describes the available types of lifecycle hooks.
*
*
* The following hook types are supported:
*
*
* -
*
* autoscaling:EC2_INSTANCE_LAUNCHING
*
*
* -
*
* autoscaling:EC2_INSTANCE_TERMINATING
*
*
*
*
* @param describeLifecycleHookTypesRequest
* @return Result of the DescribeLifecycleHookTypes operation returned by the service.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.DescribeLifecycleHookTypes
* @see AWS API Documentation
*/
DescribeLifecycleHookTypesResult describeLifecycleHookTypes(DescribeLifecycleHookTypesRequest describeLifecycleHookTypesRequest);
/**
* Simplified method form for invoking the DescribeLifecycleHookTypes operation.
*
* @see #describeLifecycleHookTypes(DescribeLifecycleHookTypesRequest)
*/
DescribeLifecycleHookTypesResult describeLifecycleHookTypes();
/**
*
* Gets information about the lifecycle hooks for the specified Auto Scaling group.
*
*
* @param describeLifecycleHooksRequest
* @return Result of the DescribeLifecycleHooks operation returned by the service.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.DescribeLifecycleHooks
* @see AWS API Documentation
*/
DescribeLifecycleHooksResult describeLifecycleHooks(DescribeLifecycleHooksRequest describeLifecycleHooksRequest);
/**
*
* Gets information about the load balancer target groups for the specified Auto Scaling group.
*
*
* To determine the availability of registered instances, use the State element in the response. When
* you attach a target group to an Auto Scaling group, the initial State value is Adding.
* The state transitions to Added after all Auto Scaling instances are registered with the target
* group. If Elastic Load Balancing health checks are enabled for the Auto Scaling group, the state transitions to
* InService after at least one Auto Scaling instance passes the health check. When the target group is
* in the InService state, Amazon EC2 Auto Scaling can terminate and replace any instances that are
* reported as unhealthy. If no registered instances pass the health checks, the target group doesn't enter the
* InService state.
*
*
* Target groups also have an InService state if you attach them in the CreateAutoScalingGroup
* API call. If your target group state is InService, but it is not working properly, check the scaling
* activities by calling DescribeScalingActivities and take any corrective actions necessary.
*
*
* For help with failed health checks, see Troubleshooting Amazon EC2
* Auto Scaling: Health checks in the Amazon EC2 Auto Scaling User Guide. For more information, see Elastic Load
* Balancing and Amazon EC2 Auto Scaling in the Amazon EC2 Auto Scaling User Guide.
*
*
* @param describeLoadBalancerTargetGroupsRequest
* @return Result of the DescribeLoadBalancerTargetGroups operation returned by the service.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.DescribeLoadBalancerTargetGroups
* @see AWS API Documentation
*/
DescribeLoadBalancerTargetGroupsResult describeLoadBalancerTargetGroups(DescribeLoadBalancerTargetGroupsRequest describeLoadBalancerTargetGroupsRequest);
/**
*
* Gets information about the load balancers for the specified Auto Scaling group.
*
*
* This operation describes only Classic Load Balancers. If you have Application Load Balancers, Network Load
* Balancers, or Gateway Load Balancers, use the DescribeLoadBalancerTargetGroups API instead.
*
*
* To determine the availability of registered instances, use the State element in the response. When
* you attach a load balancer to an Auto Scaling group, the initial State value is Adding.
* The state transitions to Added after all Auto Scaling instances are registered with the load
* balancer. If Elastic Load Balancing health checks are enabled for the Auto Scaling group, the state transitions
* to InService after at least one Auto Scaling instance passes the health check. When the load
* balancer is in the InService state, Amazon EC2 Auto Scaling can terminate and replace any instances
* that are reported as unhealthy. If no registered instances pass the health checks, the load balancer doesn't
* enter the InService state.
*
*
* Load balancers also have an InService state if you attach them in the CreateAutoScalingGroup
* API call. If your load balancer state is InService, but it is not working properly, check the
* scaling activities by calling DescribeScalingActivities and take any corrective actions necessary.
*
*
* For help with failed health checks, see Troubleshooting Amazon EC2
* Auto Scaling: Health checks in the Amazon EC2 Auto Scaling User Guide. For more information, see Elastic Load
* Balancing and Amazon EC2 Auto Scaling in the Amazon EC2 Auto Scaling User Guide.
*
*
* @param describeLoadBalancersRequest
* @return Result of the DescribeLoadBalancers operation returned by the service.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.DescribeLoadBalancers
* @see AWS API Documentation
*/
DescribeLoadBalancersResult describeLoadBalancers(DescribeLoadBalancersRequest describeLoadBalancersRequest);
/**
*
* Describes the available CloudWatch metrics for Amazon EC2 Auto Scaling.
*
*
* The GroupStandbyInstances metric is not returned by default. You must explicitly request this metric
* when calling the EnableMetricsCollection API.
*
*
* @param describeMetricCollectionTypesRequest
* @return Result of the DescribeMetricCollectionTypes operation returned by the service.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.DescribeMetricCollectionTypes
* @see AWS API Documentation
*/
DescribeMetricCollectionTypesResult describeMetricCollectionTypes(DescribeMetricCollectionTypesRequest describeMetricCollectionTypesRequest);
/**
* Simplified method form for invoking the DescribeMetricCollectionTypes operation.
*
* @see #describeMetricCollectionTypes(DescribeMetricCollectionTypesRequest)
*/
DescribeMetricCollectionTypesResult describeMetricCollectionTypes();
/**
*
* Gets information about the Amazon SNS notifications that are configured for one or more Auto Scaling groups.
*
*
* @param describeNotificationConfigurationsRequest
* @return Result of the DescribeNotificationConfigurations operation returned by the service.
* @throws InvalidNextTokenException
* The NextToken value is not valid.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.DescribeNotificationConfigurations
* @see AWS API Documentation
*/
DescribeNotificationConfigurationsResult describeNotificationConfigurations(
DescribeNotificationConfigurationsRequest describeNotificationConfigurationsRequest);
/**
* Simplified method form for invoking the DescribeNotificationConfigurations operation.
*
* @see #describeNotificationConfigurations(DescribeNotificationConfigurationsRequest)
*/
DescribeNotificationConfigurationsResult describeNotificationConfigurations();
/**
*
* Gets information about the scaling policies in the account and Region.
*
*
* @param describePoliciesRequest
* @return Result of the DescribePolicies operation returned by the service.
* @throws InvalidNextTokenException
* The NextToken value is not valid.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @throws ServiceLinkedRoleFailureException
* The service-linked role is not yet ready for use.
* @sample AmazonAutoScaling.DescribePolicies
* @see AWS
* API Documentation
*/
DescribePoliciesResult describePolicies(DescribePoliciesRequest describePoliciesRequest);
/**
* Simplified method form for invoking the DescribePolicies operation.
*
* @see #describePolicies(DescribePoliciesRequest)
*/
DescribePoliciesResult describePolicies();
/**
*
* Gets information about the scaling activities in the account and Region.
*
*
* When scaling events occur, you see a record of the scaling activity in the scaling activities. For more
* information, see Verifying a scaling
* activity for an Auto Scaling group in the Amazon EC2 Auto Scaling User Guide.
*
*
* If the scaling event succeeds, the value of the StatusCode element in the response is
* Successful. If an attempt to launch instances failed, the StatusCode value is
* Failed or Cancelled and the StatusMessage element in the response
* indicates the cause of the failure. For help interpreting the StatusMessage, see Troubleshooting Amazon EC2
* Auto Scaling in the Amazon EC2 Auto Scaling User Guide.
*
*
* @param describeScalingActivitiesRequest
* @return Result of the DescribeScalingActivities operation returned by the service.
* @throws InvalidNextTokenException
* The NextToken value is not valid.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.DescribeScalingActivities
* @see AWS API Documentation
*/
DescribeScalingActivitiesResult describeScalingActivities(DescribeScalingActivitiesRequest describeScalingActivitiesRequest);
/**
* Simplified method form for invoking the DescribeScalingActivities operation.
*
* @see #describeScalingActivities(DescribeScalingActivitiesRequest)
*/
DescribeScalingActivitiesResult describeScalingActivities();
/**
*
* Describes the scaling process types for use with the ResumeProcesses and SuspendProcesses APIs.
*
*
* @param describeScalingProcessTypesRequest
* @return Result of the DescribeScalingProcessTypes operation returned by the service.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.DescribeScalingProcessTypes
* @see AWS API Documentation
*/
DescribeScalingProcessTypesResult describeScalingProcessTypes(DescribeScalingProcessTypesRequest describeScalingProcessTypesRequest);
/**
* Simplified method form for invoking the DescribeScalingProcessTypes operation.
*
* @see #describeScalingProcessTypes(DescribeScalingProcessTypesRequest)
*/
DescribeScalingProcessTypesResult describeScalingProcessTypes();
/**
*
* Gets information about the scheduled actions that haven't run or that have not reached their end time.
*
*
* To describe the scaling activities for scheduled actions that have already run, call the
* DescribeScalingActivities API.
*
*
* @param describeScheduledActionsRequest
* @return Result of the DescribeScheduledActions operation returned by the service.
* @throws InvalidNextTokenException
* The NextToken value is not valid.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.DescribeScheduledActions
* @see AWS API Documentation
*/
DescribeScheduledActionsResult describeScheduledActions(DescribeScheduledActionsRequest describeScheduledActionsRequest);
/**
* Simplified method form for invoking the DescribeScheduledActions operation.
*
* @see #describeScheduledActions(DescribeScheduledActionsRequest)
*/
DescribeScheduledActionsResult describeScheduledActions();
/**
*
* Describes the specified tags.
*
*
* You can use filters to limit the results. For example, you can query for the tags for a specific Auto Scaling
* group. You can specify multiple values for a filter. A tag must match at least one of the specified values for it
* to be included in the results.
*
*
* You can also specify multiple filters. The result includes information for a particular tag only if it matches
* all the filters. If there's no match, no special message is returned.
*
*
* For more information, see Tagging Auto Scaling groups
* and instances in the Amazon EC2 Auto Scaling User Guide.
*
*
* @param describeTagsRequest
* @return Result of the DescribeTags operation returned by the service.
* @throws InvalidNextTokenException
* The NextToken value is not valid.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.DescribeTags
* @see AWS API
* Documentation
*/
DescribeTagsResult describeTags(DescribeTagsRequest describeTagsRequest);
/**
* Simplified method form for invoking the DescribeTags operation.
*
* @see #describeTags(DescribeTagsRequest)
*/
DescribeTagsResult describeTags();
/**
*
* Describes the termination policies supported by Amazon EC2 Auto Scaling.
*
*
* For more information, see Controlling which Auto
* Scaling instances terminate during scale in in the Amazon EC2 Auto Scaling User Guide.
*
*
* @param describeTerminationPolicyTypesRequest
* @return Result of the DescribeTerminationPolicyTypes operation returned by the service.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.DescribeTerminationPolicyTypes
* @see AWS API Documentation
*/
DescribeTerminationPolicyTypesResult describeTerminationPolicyTypes(DescribeTerminationPolicyTypesRequest describeTerminationPolicyTypesRequest);
/**
* Simplified method form for invoking the DescribeTerminationPolicyTypes operation.
*
* @see #describeTerminationPolicyTypes(DescribeTerminationPolicyTypesRequest)
*/
DescribeTerminationPolicyTypesResult describeTerminationPolicyTypes();
/**
*
* Gets information about a warm pool and its instances.
*
*
* For more information, see Warm pools for
* Amazon EC2 Auto Scaling in the Amazon EC2 Auto Scaling User Guide.
*
*
* @param describeWarmPoolRequest
* @return Result of the DescribeWarmPool operation returned by the service.
* @throws InvalidNextTokenException
* The NextToken value is not valid.
* @throws LimitExceededException
* You have already reached a limit for your Amazon EC2 Auto Scaling resources (for example, Auto Scaling
* groups, launch configurations, or lifecycle hooks). For more information, see DescribeAccountLimits in the Amazon EC2 Auto Scaling API Reference.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.DescribeWarmPool
* @see AWS
* API Documentation
*/
DescribeWarmPoolResult describeWarmPool(DescribeWarmPoolRequest describeWarmPoolRequest);
/**
*
* Removes one or more instances from the specified Auto Scaling group.
*
*
* After the instances are detached, you can manage them independent of the Auto Scaling group.
*
*
* If you do not specify the option to decrement the desired capacity, Amazon EC2 Auto Scaling launches instances to
* replace the ones that are detached.
*
*
* If there is a Classic Load Balancer attached to the Auto Scaling group, the instances are deregistered from the
* load balancer. If there are target groups attached to the Auto Scaling group, the instances are deregistered from
* the target groups.
*
*
* For more information, see Detach EC2 instances from
* your Auto Scaling group in the Amazon EC2 Auto Scaling User Guide.
*
*
* @param detachInstancesRequest
* @return Result of the DetachInstances operation returned by the service.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.DetachInstances
* @see AWS
* API Documentation
*/
DetachInstancesResult detachInstances(DetachInstancesRequest detachInstancesRequest);
/**
*
* Detaches one or more target groups from the specified Auto Scaling group.
*
*
* @param detachLoadBalancerTargetGroupsRequest
* @return Result of the DetachLoadBalancerTargetGroups operation returned by the service.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.DetachLoadBalancerTargetGroups
* @see AWS API Documentation
*/
DetachLoadBalancerTargetGroupsResult detachLoadBalancerTargetGroups(DetachLoadBalancerTargetGroupsRequest detachLoadBalancerTargetGroupsRequest);
/**
*
* Detaches one or more Classic Load Balancers from the specified Auto Scaling group.
*
*
* This operation detaches only Classic Load Balancers. If you have Application Load Balancers, Network Load
* Balancers, or Gateway Load Balancers, use the DetachLoadBalancerTargetGroups API instead.
*
*
* When you detach a load balancer, it enters the Removing state while deregistering the instances in
* the group. When all instances are deregistered, then you can no longer describe the load balancer using the
* DescribeLoadBalancers API call. The instances remain running.
*
*
* @param detachLoadBalancersRequest
* @return Result of the DetachLoadBalancers operation returned by the service.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.DetachLoadBalancers
* @see AWS API Documentation
*/
DetachLoadBalancersResult detachLoadBalancers(DetachLoadBalancersRequest detachLoadBalancersRequest);
/**
* Simplified method form for invoking the DetachLoadBalancers operation.
*
* @see #detachLoadBalancers(DetachLoadBalancersRequest)
*/
DetachLoadBalancersResult detachLoadBalancers();
/**
*
* Disables group metrics for the specified Auto Scaling group.
*
*
* @param disableMetricsCollectionRequest
* @return Result of the DisableMetricsCollection operation returned by the service.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.DisableMetricsCollection
* @see AWS API Documentation
*/
DisableMetricsCollectionResult disableMetricsCollection(DisableMetricsCollectionRequest disableMetricsCollectionRequest);
/**
*
* Enables group metrics for the specified Auto Scaling group. For more information, see Monitoring CloudWatch
* metrics for your Auto Scaling groups and instances in the Amazon EC2 Auto Scaling User Guide.
*
*
* @param enableMetricsCollectionRequest
* @return Result of the EnableMetricsCollection operation returned by the service.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.EnableMetricsCollection
* @see AWS API Documentation
*/
EnableMetricsCollectionResult enableMetricsCollection(EnableMetricsCollectionRequest enableMetricsCollectionRequest);
/**
*
* Moves the specified instances into the standby state.
*
*
* If you choose to decrement the desired capacity of the Auto Scaling group, the instances can enter standby as
* long as the desired capacity of the Auto Scaling group after the instances are placed into standby is equal to or
* greater than the minimum capacity of the group.
*
*
* If you choose not to decrement the desired capacity of the Auto Scaling group, the Auto Scaling group launches
* new instances to replace the instances on standby.
*
*
* For more information, see Temporarily removing
* instances from your Auto Scaling group in the Amazon EC2 Auto Scaling User Guide.
*
*
* @param enterStandbyRequest
* @return Result of the EnterStandby operation returned by the service.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.EnterStandby
* @see AWS API
* Documentation
*/
EnterStandbyResult enterStandby(EnterStandbyRequest enterStandbyRequest);
/**
*
* Executes the specified policy. This can be useful for testing the design of your scaling policy.
*
*
* @param executePolicyRequest
* @return Result of the ExecutePolicy operation returned by the service.
* @throws ScalingActivityInProgressException
* The operation can't be performed because there are scaling activities in progress.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.ExecutePolicy
* @see AWS API
* Documentation
*/
ExecutePolicyResult executePolicy(ExecutePolicyRequest executePolicyRequest);
/**
*
* Moves the specified instances out of the standby state.
*
*
* After you put the instances back in service, the desired capacity is incremented.
*
*
* For more information, see Temporarily removing
* instances from your Auto Scaling group in the Amazon EC2 Auto Scaling User Guide.
*
*
* @param exitStandbyRequest
* @return Result of the ExitStandby operation returned by the service.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.ExitStandby
* @see AWS API
* Documentation
*/
ExitStandbyResult exitStandby(ExitStandbyRequest exitStandbyRequest);
/**
*
* Retrieves the forecast data for a predictive scaling policy.
*
*
* Load forecasts are predictions of the hourly load values using historical load data from CloudWatch and an
* analysis of historical trends. Capacity forecasts are represented as predicted values for the minimum capacity
* that is needed on an hourly basis, based on the hourly load forecast.
*
*
* A minimum of 24 hours of data is required to create the initial forecasts. However, having a full 14 days of
* historical data results in more accurate forecasts.
*
*
* For more information, see Predictive
* scaling for Amazon EC2 Auto Scaling in the Amazon EC2 Auto Scaling User Guide.
*
*
* @param getPredictiveScalingForecastRequest
* @return Result of the GetPredictiveScalingForecast operation returned by the service.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.GetPredictiveScalingForecast
* @see AWS API Documentation
*/
GetPredictiveScalingForecastResult getPredictiveScalingForecast(GetPredictiveScalingForecastRequest getPredictiveScalingForecastRequest);
/**
*
* Creates or updates a lifecycle hook for the specified Auto Scaling group.
*
*
* A lifecycle hook tells Amazon EC2 Auto Scaling to perform an action on an instance when the instance launches
* (before it is put into service) or as the instance terminates (before it is fully terminated).
*
*
* This step is a part of the procedure for adding a lifecycle hook to an Auto Scaling group:
*
*
* -
*
* (Optional) Create a Lambda function and a rule that allows CloudWatch Events to invoke your Lambda function when
* Amazon EC2 Auto Scaling launches or terminates instances.
*
*
* -
*
* (Optional) Create a notification target and an IAM role. The target can be either an Amazon SQS queue or an
* Amazon SNS topic. The role allows Amazon EC2 Auto Scaling to publish lifecycle notifications to the target.
*
*
* -
*
* Create the lifecycle hook. Specify whether the hook is used when the instances launch or terminate.
*
*
* -
*
* If you need more time, record the lifecycle action heartbeat to keep the instance in a pending state using the
* RecordLifecycleActionHeartbeat API call.
*
*
* -
*
* If you finish before the timeout period ends, complete the lifecycle action using the
* CompleteLifecycleAction API call.
*
*
*
*
* For more information, see Amazon EC2 Auto Scaling
* lifecycle hooks in the Amazon EC2 Auto Scaling User Guide.
*
*
* If you exceed your maximum limit of lifecycle hooks, which by default is 50 per Auto Scaling group, the call
* fails.
*
*
* You can view the lifecycle hooks for an Auto Scaling group using the DescribeLifecycleHooks API call. If
* you are no longer using a lifecycle hook, you can delete it by calling the DeleteLifecycleHook API.
*
*
* @param putLifecycleHookRequest
* @return Result of the PutLifecycleHook operation returned by the service.
* @throws LimitExceededException
* You have already reached a limit for your Amazon EC2 Auto Scaling resources (for example, Auto Scaling
* groups, launch configurations, or lifecycle hooks). For more information, see DescribeAccountLimits in the Amazon EC2 Auto Scaling API Reference.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.PutLifecycleHook
* @see AWS
* API Documentation
*/
PutLifecycleHookResult putLifecycleHook(PutLifecycleHookRequest putLifecycleHookRequest);
/**
*
* Configures an Auto Scaling group to send notifications when specified events take place. Subscribers to the
* specified topic can have messages delivered to an endpoint such as a web server or an email address.
*
*
* This configuration overwrites any existing configuration.
*
*
* For more information, see Getting Amazon SNS
* notifications when your Auto Scaling group scales in the Amazon EC2 Auto Scaling User Guide.
*
*
* If you exceed your maximum limit of SNS topics, which is 10 per Auto Scaling group, the call fails.
*
*
* @param putNotificationConfigurationRequest
* @return Result of the PutNotificationConfiguration operation returned by the service.
* @throws LimitExceededException
* You have already reached a limit for your Amazon EC2 Auto Scaling resources (for example, Auto Scaling
* groups, launch configurations, or lifecycle hooks). For more information, see DescribeAccountLimits in the Amazon EC2 Auto Scaling API Reference.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @throws ServiceLinkedRoleFailureException
* The service-linked role is not yet ready for use.
* @sample AmazonAutoScaling.PutNotificationConfiguration
* @see AWS API Documentation
*/
PutNotificationConfigurationResult putNotificationConfiguration(PutNotificationConfigurationRequest putNotificationConfigurationRequest);
/**
*
* Creates or updates a scaling policy for an Auto Scaling group. Scaling policies are used to scale an Auto Scaling
* group based on configurable metrics. If no policies are defined, the dynamic scaling and predictive scaling
* features are not used.
*
*
* For more information about using dynamic scaling, see Target tracking
* scaling policies and Step and simple scaling
* policies in the Amazon EC2 Auto Scaling User Guide.
*
*
* For more information about using predictive scaling, see Predictive
* scaling for Amazon EC2 Auto Scaling in the Amazon EC2 Auto Scaling User Guide.
*
*
* You can view the scaling policies for an Auto Scaling group using the DescribePolicies API call. If you
* are no longer using a scaling policy, you can delete it by calling the DeletePolicy API.
*
*
* @param putScalingPolicyRequest
* @return Result of the PutScalingPolicy operation returned by the service.
* @throws LimitExceededException
* You have already reached a limit for your Amazon EC2 Auto Scaling resources (for example, Auto Scaling
* groups, launch configurations, or lifecycle hooks). For more information, see DescribeAccountLimits in the Amazon EC2 Auto Scaling API Reference.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @throws ServiceLinkedRoleFailureException
* The service-linked role is not yet ready for use.
* @sample AmazonAutoScaling.PutScalingPolicy
* @see AWS
* API Documentation
*/
PutScalingPolicyResult putScalingPolicy(PutScalingPolicyRequest putScalingPolicyRequest);
/**
*
* Creates or updates a scheduled scaling action for an Auto Scaling group.
*
*
* For more information, see Scheduled scaling in the
* Amazon EC2 Auto Scaling User Guide.
*
*
* You can view the scheduled actions for an Auto Scaling group using the DescribeScheduledActions API call.
* If you are no longer using a scheduled action, you can delete it by calling the DeleteScheduledAction API.
*
*
* @param putScheduledUpdateGroupActionRequest
* @return Result of the PutScheduledUpdateGroupAction operation returned by the service.
* @throws AlreadyExistsException
* You already have an Auto Scaling group or launch configuration with this name.
* @throws LimitExceededException
* You have already reached a limit for your Amazon EC2 Auto Scaling resources (for example, Auto Scaling
* groups, launch configurations, or lifecycle hooks). For more information, see DescribeAccountLimits in the Amazon EC2 Auto Scaling API Reference.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.PutScheduledUpdateGroupAction
* @see AWS API Documentation
*/
PutScheduledUpdateGroupActionResult putScheduledUpdateGroupAction(PutScheduledUpdateGroupActionRequest putScheduledUpdateGroupActionRequest);
/**
*
* Creates or updates a warm pool for the specified Auto Scaling group. A warm pool is a pool of pre-initialized EC2
* instances that sits alongside the Auto Scaling group. Whenever your application needs to scale out, the Auto
* Scaling group can draw on the warm pool to meet its new desired capacity. For more information and example
* configurations, see Warm pools for
* Amazon EC2 Auto Scaling in the Amazon EC2 Auto Scaling User Guide.
*
*
* This operation must be called from the Region in which the Auto Scaling group was created. This operation cannot
* be called on an Auto Scaling group that has a mixed instances policy or a launch template or launch configuration
* that requests Spot Instances.
*
*
* You can view the instances in the warm pool using the DescribeWarmPool API call. If you are no longer
* using a warm pool, you can delete it by calling the DeleteWarmPool API.
*
*
* @param putWarmPoolRequest
* @return Result of the PutWarmPool operation returned by the service.
* @throws LimitExceededException
* You have already reached a limit for your Amazon EC2 Auto Scaling resources (for example, Auto Scaling
* groups, launch configurations, or lifecycle hooks). For more information, see DescribeAccountLimits in the Amazon EC2 Auto Scaling API Reference.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.PutWarmPool
* @see AWS API
* Documentation
*/
PutWarmPoolResult putWarmPool(PutWarmPoolRequest putWarmPoolRequest);
/**
*
* Records a heartbeat for the lifecycle action associated with the specified token or instance. This extends the
* timeout by the length of time defined using the PutLifecycleHook API call.
*
*
* This step is a part of the procedure for adding a lifecycle hook to an Auto Scaling group:
*
*
* -
*
* (Optional) Create a Lambda function and a rule that allows CloudWatch Events to invoke your Lambda function when
* Amazon EC2 Auto Scaling launches or terminates instances.
*
*
* -
*
* (Optional) Create a notification target and an IAM role. The target can be either an Amazon SQS queue or an
* Amazon SNS topic. The role allows Amazon EC2 Auto Scaling to publish lifecycle notifications to the target.
*
*
* -
*
* Create the lifecycle hook. Specify whether the hook is used when the instances launch or terminate.
*
*
* -
*
* If you need more time, record the lifecycle action heartbeat to keep the instance in a pending state.
*
*
* -
*
* If you finish before the timeout period ends, complete the lifecycle action.
*
*
*
*
* For more information, see Amazon EC2 Auto Scaling
* lifecycle hooks in the Amazon EC2 Auto Scaling User Guide.
*
*
* @param recordLifecycleActionHeartbeatRequest
* @return Result of the RecordLifecycleActionHeartbeat operation returned by the service.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.RecordLifecycleActionHeartbeat
* @see AWS API Documentation
*/
RecordLifecycleActionHeartbeatResult recordLifecycleActionHeartbeat(RecordLifecycleActionHeartbeatRequest recordLifecycleActionHeartbeatRequest);
/**
*
* Resumes the specified suspended auto scaling processes, or all suspended process, for the specified Auto Scaling
* group.
*
*
* For more information, see Suspending and
* resuming scaling processes in the Amazon EC2 Auto Scaling User Guide.
*
*
* @param resumeProcessesRequest
* @return Result of the ResumeProcesses operation returned by the service.
* @throws ResourceInUseException
* The operation can't be performed because the resource is in use.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.ResumeProcesses
* @see AWS
* API Documentation
*/
ResumeProcessesResult resumeProcesses(ResumeProcessesRequest resumeProcessesRequest);
/**
*
* Sets the size of the specified Auto Scaling group.
*
*
* If a scale-in activity occurs as a result of a new DesiredCapacity value that is lower than the
* current size of the group, the Auto Scaling group uses its termination policy to determine which instances to
* terminate.
*
*
* For more information, see Manual scaling in the
* Amazon EC2 Auto Scaling User Guide.
*
*
* @param setDesiredCapacityRequest
* @return Result of the SetDesiredCapacity operation returned by the service.
* @throws ScalingActivityInProgressException
* The operation can't be performed because there are scaling activities in progress.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.SetDesiredCapacity
* @see AWS
* API Documentation
*/
SetDesiredCapacityResult setDesiredCapacity(SetDesiredCapacityRequest setDesiredCapacityRequest);
/**
*
* Sets the health status of the specified instance.
*
*
* For more information, see Health
* checks for Auto Scaling instances in the Amazon EC2 Auto Scaling User Guide.
*
*
* @param setInstanceHealthRequest
* @return Result of the SetInstanceHealth operation returned by the service.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.SetInstanceHealth
* @see AWS
* API Documentation
*/
SetInstanceHealthResult setInstanceHealth(SetInstanceHealthRequest setInstanceHealthRequest);
/**
*
* Updates the instance protection settings of the specified instances. This operation cannot be called on instances
* in a warm pool.
*
*
* For more information about preventing instances that are part of an Auto Scaling group from terminating on scale
* in, see Instance scale-in protection in the Amazon EC2 Auto Scaling User Guide.
*
*
* If you exceed your maximum limit of instance IDs, which is 50 per Auto Scaling group, the call fails.
*
*
* @param setInstanceProtectionRequest
* @return Result of the SetInstanceProtection operation returned by the service.
* @throws LimitExceededException
* You have already reached a limit for your Amazon EC2 Auto Scaling resources (for example, Auto Scaling
* groups, launch configurations, or lifecycle hooks). For more information, see DescribeAccountLimits in the Amazon EC2 Auto Scaling API Reference.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.SetInstanceProtection
* @see AWS API Documentation
*/
SetInstanceProtectionResult setInstanceProtection(SetInstanceProtectionRequest setInstanceProtectionRequest);
/**
*
* Starts a new instance refresh operation. An instance refresh performs a rolling replacement of all or some
* instances in an Auto Scaling group. Each instance is terminated first and then replaced, which temporarily
* reduces the capacity available within your Auto Scaling group.
*
*
* This operation is part of the instance refresh
* feature in Amazon EC2 Auto Scaling, which helps you update instances in your Auto Scaling group. This feature
* is helpful, for example, when you have a new AMI or a new user data script. You just need to create a new launch
* template that specifies the new AMI or user data script. Then start an instance refresh to immediately begin the
* process of updating instances in the group.
*
*
* If the call succeeds, it creates a new instance refresh request with a unique ID that you can use to track its
* progress. To query its status, call the DescribeInstanceRefreshes API. To describe the instance refreshes
* that have already run, call the DescribeInstanceRefreshes API. To cancel an instance refresh operation in
* progress, use the CancelInstanceRefresh API.
*
*
* @param startInstanceRefreshRequest
* @return Result of the StartInstanceRefresh operation returned by the service.
* @throws LimitExceededException
* You have already reached a limit for your Amazon EC2 Auto Scaling resources (for example, Auto Scaling
* groups, launch configurations, or lifecycle hooks). For more information, see DescribeAccountLimits in the Amazon EC2 Auto Scaling API Reference.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @throws InstanceRefreshInProgressException
* The request failed because an active instance refresh operation already exists for the specified Auto
* Scaling group.
* @sample AmazonAutoScaling.StartInstanceRefresh
* @see AWS API Documentation
*/
StartInstanceRefreshResult startInstanceRefresh(StartInstanceRefreshRequest startInstanceRefreshRequest);
/**
*
* Suspends the specified auto scaling processes, or all processes, for the specified Auto Scaling group.
*
*
* If you suspend either the Launch or Terminate process types, it can prevent other
* process types from functioning properly. For more information, see Suspending and
* resuming scaling processes in the Amazon EC2 Auto Scaling User Guide.
*
*
* To resume processes that have been suspended, call the ResumeProcesses API.
*
*
* @param suspendProcessesRequest
* @return Result of the SuspendProcesses operation returned by the service.
* @throws ResourceInUseException
* The operation can't be performed because the resource is in use.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.SuspendProcesses
* @see AWS
* API Documentation
*/
SuspendProcessesResult suspendProcesses(SuspendProcessesRequest suspendProcessesRequest);
/**
*
* Terminates the specified instance and optionally adjusts the desired group size. This operation cannot be called
* on instances in a warm pool.
*
*
* This call simply makes a termination request. The instance is not terminated immediately. When an instance is
* terminated, the instance status changes to terminated. You can't connect to or start an instance
* after you've terminated it.
*
*
* If you do not specify the option to decrement the desired capacity, Amazon EC2 Auto Scaling launches instances to
* replace the ones that are terminated.
*
*
* By default, Amazon EC2 Auto Scaling balances instances across all Availability Zones. If you decrement the
* desired capacity, your Auto Scaling group can become unbalanced between Availability Zones. Amazon EC2 Auto
* Scaling tries to rebalance the group, and rebalancing might terminate instances in other zones. For more
* information, see Rebalancing activities in the Amazon EC2 Auto Scaling User Guide.
*
*
* @param terminateInstanceInAutoScalingGroupRequest
* @return Result of the TerminateInstanceInAutoScalingGroup operation returned by the service.
* @throws ScalingActivityInProgressException
* The operation can't be performed because there are scaling activities in progress.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @sample AmazonAutoScaling.TerminateInstanceInAutoScalingGroup
* @see AWS API Documentation
*/
TerminateInstanceInAutoScalingGroupResult terminateInstanceInAutoScalingGroup(
TerminateInstanceInAutoScalingGroupRequest terminateInstanceInAutoScalingGroupRequest);
/**
*
* We strongly recommend that all Auto Scaling groups use launch templates to ensure full functionality for
* Amazon EC2 Auto Scaling and Amazon EC2.
*
*
* Updates the configuration for the specified Auto Scaling group.
*
*
* To update an Auto Scaling group, specify the name of the group and the parameter that you want to change. Any
* parameters that you don't specify are not changed by this update request. The new settings take effect on any
* scaling activities after this call returns.
*
*
* If you associate a new launch configuration or template with an Auto Scaling group, all new instances will get
* the updated configuration. Existing instances continue to run with the configuration that they were originally
* launched with. When you update a group to specify a mixed instances policy instead of a launch configuration or
* template, existing instances may be replaced to match the new purchasing options that you specified in the
* policy. For example, if the group currently has 100% On-Demand capacity and the policy specifies 50% Spot
* capacity, this means that half of your instances will be gradually terminated and relaunched as Spot Instances.
* When replacing instances, Amazon EC2 Auto Scaling launches new instances before terminating the old ones, so that
* updating your group does not compromise the performance or availability of your application.
*
*
* Note the following about changing DesiredCapacity, MaxSize, or MinSize:
*
*
* -
*
* If a scale-in activity occurs as a result of a new DesiredCapacity value that is lower than the
* current size of the group, the Auto Scaling group uses its termination policy to determine which instances to
* terminate.
*
*
* -
*
* If you specify a new value for MinSize without specifying a value for DesiredCapacity,
* and the new MinSize is larger than the current size of the group, this sets the group's
* DesiredCapacity to the new MinSize value.
*
*
* -
*
* If you specify a new value for MaxSize without specifying a value for DesiredCapacity,
* and the new MaxSize is smaller than the current size of the group, this sets the group's
* DesiredCapacity to the new MaxSize value.
*
*
*
*
* To see which parameters have been set, call the DescribeAutoScalingGroups API. To view the scaling
* policies for an Auto Scaling group, call the DescribePolicies API. If the group has scaling policies, you
* can update them by calling the PutScalingPolicy API.
*
*
* @param updateAutoScalingGroupRequest
* @return Result of the UpdateAutoScalingGroup operation returned by the service.
* @throws ScalingActivityInProgressException
* The operation can't be performed because there are scaling activities in progress.
* @throws ResourceContentionException
* You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
* group, instance, or load balancer).
* @throws ServiceLinkedRoleFailureException
* The service-linked role is not yet ready for use.
* @sample AmazonAutoScaling.UpdateAutoScalingGroup
* @see AWS API Documentation
*/
UpdateAutoScalingGroupResult updateAutoScalingGroup(UpdateAutoScalingGroupRequest updateAutoScalingGroupRequest);
/**
* Shuts down this client object, releasing any resources that might be held open. This is an optional method, and
* callers are not expected to call it, but can if they want to explicitly release any open resources. Once a client
* has been shutdown, it should not be used to make any more requests.
*/
void shutdown();
/**
* Returns additional metadata for a previously executed successful request, typically used for debugging issues
* where a service isn't acting as expected. This data isn't considered part of the result data returned by an
* operation, so it's available through this separate, diagnostic interface.
*
* Response metadata is only cached for a limited period of time, so if you need to access this extra diagnostic
* information for an executed request, you should use this method to retrieve it as soon as possible after
* executing a request.
*
* @param request
* The originally executed request.
*
* @return The response metadata for the specified request, or null if none is available.
*/
ResponseMetadata getCachedResponseMetadata(AmazonWebServiceRequest request);
AmazonAutoScalingWaiters waiters();
}