/* * Copyright 2012-2017 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.applicationautoscaling; import javax.annotation.Generated; import com.amazonaws.*; import com.amazonaws.regions.*; import com.amazonaws.services.applicationautoscaling.model.*; /** * Interface for accessing Application Auto Scaling. * <p> * <b>Note:</b> Do not directly implement this interface, new methods are added to it regularly. Extend from * {@link com.amazonaws.services.applicationautoscaling.AbstractAWSApplicationAutoScaling} instead. * </p> * <p> * <p> * With Application Auto Scaling, you can automatically scale your AWS resources. The experience similar to that of <a * href="https://aws.amazon.com/autoscaling/">Auto Scaling</a>. You can use Application Auto Scaling to accomplish the * following tasks: * </p> * <ul> * <li> * <p> * Define scaling policies to automatically scale your AWS resources * </p> * </li> * <li> * <p> * Scale your resources in response to CloudWatch alarms * </p> * </li> * <li> * <p> * View the history of your scaling events * </p> * </li> * </ul> * <p> * Application Auto Scaling can scale the following AWS resources: * </p> * <ul> * <li> * <p> * Amazon ECS services. For more information, see <a * href="http://docs.aws.amazon.com/AmazonECS/latest/developerguide/service-auto-scaling.html">Service Auto Scaling</a> * in the <i>Amazon EC2 Container Service Developer Guide</i>. * </p> * </li> * <li> * <p> * Amazon EC2 Spot fleets. For more information, see <a * href="http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/fleet-auto-scaling.html">Automatic Scaling for Spot * Fleet</a> in the <i>Amazon EC2 User Guide</i>. * </p> * </li> * <li> * <p> * Amazon EMR clusters. For more information, see <a * href="http://docs.aws.amazon.com/ElasticMapReduce/latest/ManagementGuide/emr-automatic-scaling.html">Using Automatic * Scaling in Amazon EMR</a> in the <i>Amazon EMR Management Guide</i>. * </p> * </li> * <li> * <p> * AppStream 2.0 fleets. For more information, see <a * href="http://docs.aws.amazon.com/appstream2/latest/developerguide/autoscaling.html">Autoscaling Amazon AppStream 2.0 * Resources</a> in the <i>Amazon AppStream 2.0 Developer Guide</i>. * </p> * </li> * </ul> * <p> * For a list of supported regions, see <a * href="http://docs.aws.amazon.com/general/latest/gr/rande.html#as-app_region">AWS Regions and Endpoints: Application * Auto Scaling</a> in the <i>AWS General Reference</i>. * </p> */ @Generated("com.amazonaws:aws-java-sdk-code-generator") public interface AWSApplicationAutoScaling { /** * 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.us-east-1.amazonaws.com"). Callers can use * this method to control which AWS region they want to work with. * <p> * Callers can pass in just the endpoint (ex: "autoscaling.us-east-1.amazonaws.com") or a full URL, including the * protocol (ex: "https://autoscaling.us-east-1.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. * <p> * 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: <a * href="http://developer.amazonwebservices.com/connect/entry.jspa?externalID=3912"> * http://developer.amazonwebservices.com/connect/entry.jspa?externalID=3912</a> * <p> * <b>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.</b> * * @param endpoint * The endpoint (ex: "autoscaling.us-east-1.amazonaws.com") or a full URL, including the protocol (ex: * "https://autoscaling.us-east-1.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 AWSApplicationAutoScaling#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. * <p> * 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. * <p> * <b>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.</b> * * @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); /** * <p> * Deletes the specified Application Auto Scaling scaling policy. * </p> * <p> * Deleting a policy deletes the underlying alarm action, but does not delete the CloudWatch alarm associated with * the scaling policy, even if it no longer has an associated action. * </p> * <p> * To create a scaling policy or update an existing one, see <a>PutScalingPolicy</a>. * </p> * * @param deleteScalingPolicyRequest * @return Result of the DeleteScalingPolicy operation returned by the service. * @throws ValidationException * An exception was thrown for a validation issue. Review the available parameters for the API request. * @throws ObjectNotFoundException * The specified object could not be found. For any <code>Put</code> or <code>Register</code> API operation, * which depends on the existence of a scalable target, this exception is thrown if the scalable target with * the specified service namespace, resource ID, and scalable dimension does not exist. For any * <code>Delete</code> or <code>Deregister</code> API operation, this exception is thrown if the resource * that is to be deleted or deregistered cannot be found. * @throws ConcurrentUpdateException * Concurrent updates caused an exception, for example, if you request an update to an Application Auto * Scaling resource that already has a pending update. * @throws InternalServiceException * The service encountered an internal error. * @sample AWSApplicationAutoScaling.DeleteScalingPolicy * @see <a href="http://docs.aws.amazon.com/goto/WebAPI/application-autoscaling-2016-02-06/DeleteScalingPolicy" * target="_top">AWS API Documentation</a> */ DeleteScalingPolicyResult deleteScalingPolicy(DeleteScalingPolicyRequest deleteScalingPolicyRequest); /** * <p> * Deregisters a scalable target. * </p> * <p> * Deregistering a scalable target deletes the scaling policies that are associated with it. * </p> * <p> * To create a scalable target or update an existing one, see <a>RegisterScalableTarget</a>. * </p> * * @param deregisterScalableTargetRequest * @return Result of the DeregisterScalableTarget operation returned by the service. * @throws ValidationException * An exception was thrown for a validation issue. Review the available parameters for the API request. * @throws ObjectNotFoundException * The specified object could not be found. For any <code>Put</code> or <code>Register</code> API operation, * which depends on the existence of a scalable target, this exception is thrown if the scalable target with * the specified service namespace, resource ID, and scalable dimension does not exist. For any * <code>Delete</code> or <code>Deregister</code> API operation, this exception is thrown if the resource * that is to be deleted or deregistered cannot be found. * @throws ConcurrentUpdateException * Concurrent updates caused an exception, for example, if you request an update to an Application Auto * Scaling resource that already has a pending update. * @throws InternalServiceException * The service encountered an internal error. * @sample AWSApplicationAutoScaling.DeregisterScalableTarget * @see <a href="http://docs.aws.amazon.com/goto/WebAPI/application-autoscaling-2016-02-06/DeregisterScalableTarget" * target="_top">AWS API Documentation</a> */ DeregisterScalableTargetResult deregisterScalableTarget(DeregisterScalableTargetRequest deregisterScalableTargetRequest); /** * <p> * Provides descriptive information about the scalable targets in the specified namespace. * </p> * <p> * You can filter the results using the <code>ResourceIds</code> and <code>ScalableDimension</code> parameters. * </p> * <p> * To create a scalable target or update an existing one, see <a>RegisterScalableTarget</a>. If you are no longer * using a scalable target, you can deregister it using <a>DeregisterScalableTarget</a>. * </p> * * @param describeScalableTargetsRequest * @return Result of the DescribeScalableTargets operation returned by the service. * @throws ValidationException * An exception was thrown for a validation issue. Review the available parameters for the API request. * @throws InvalidNextTokenException * The next token supplied was invalid. * @throws ConcurrentUpdateException * Concurrent updates caused an exception, for example, if you request an update to an Application Auto * Scaling resource that already has a pending update. * @throws InternalServiceException * The service encountered an internal error. * @sample AWSApplicationAutoScaling.DescribeScalableTargets * @see <a href="http://docs.aws.amazon.com/goto/WebAPI/application-autoscaling-2016-02-06/DescribeScalableTargets" * target="_top">AWS API Documentation</a> */ DescribeScalableTargetsResult describeScalableTargets(DescribeScalableTargetsRequest describeScalableTargetsRequest); /** * <p> * Provides descriptive information about the scaling activities in the specified namespace from the previous six * weeks. * </p> * <p> * You can filter the results using the <code>ResourceId</code> and <code>ScalableDimension</code> parameters. * </p> * <p> * Scaling activities are triggered by CloudWatch alarms that are associated with scaling policies. To view the * scaling policies for a service namespace, see <a>DescribeScalingPolicies</a>. To create a scaling policy or * update an existing one, see <a>PutScalingPolicy</a>. * </p> * * @param describeScalingActivitiesRequest * @return Result of the DescribeScalingActivities operation returned by the service. * @throws ValidationException * An exception was thrown for a validation issue. Review the available parameters for the API request. * @throws InvalidNextTokenException * The next token supplied was invalid. * @throws ConcurrentUpdateException * Concurrent updates caused an exception, for example, if you request an update to an Application Auto * Scaling resource that already has a pending update. * @throws InternalServiceException * The service encountered an internal error. * @sample AWSApplicationAutoScaling.DescribeScalingActivities * @see <a * href="http://docs.aws.amazon.com/goto/WebAPI/application-autoscaling-2016-02-06/DescribeScalingActivities" * target="_top">AWS API Documentation</a> */ DescribeScalingActivitiesResult describeScalingActivities(DescribeScalingActivitiesRequest describeScalingActivitiesRequest); /** * <p> * Provides descriptive information about the scaling policies in the specified namespace. * </p> * <p> * You can filter the results using the <code>ResourceId</code>, <code>ScalableDimension</code>, and * <code>PolicyNames</code> parameters. * </p> * <p> * To create a scaling policy or update an existing one, see <a>PutScalingPolicy</a>. If you are no longer using a * scaling policy, you can delete it using <a>DeleteScalingPolicy</a>. * </p> * * @param describeScalingPoliciesRequest * @return Result of the DescribeScalingPolicies operation returned by the service. * @throws ValidationException * An exception was thrown for a validation issue. Review the available parameters for the API request. * @throws FailedResourceAccessException * Failed access to resources caused an exception. This exception currently only applies to * <a>DescribeScalingPolicies</a>. It is thrown when Application Auto Scaling is unable to retrieve the * alarms associated with a scaling policy due to a client error, for example, if the role ARN specified for * a scalable target does not have the proper permissions to call the CloudWatch <a * href="http://docs.aws.amazon.com/AmazonCloudWatch/latest/APIReference/API_DescribeAlarms.html" * >DescribeAlarms</a> API operation on behalf of your account. * @throws InvalidNextTokenException * The next token supplied was invalid. * @throws ConcurrentUpdateException * Concurrent updates caused an exception, for example, if you request an update to an Application Auto * Scaling resource that already has a pending update. * @throws InternalServiceException * The service encountered an internal error. * @sample AWSApplicationAutoScaling.DescribeScalingPolicies * @see <a href="http://docs.aws.amazon.com/goto/WebAPI/application-autoscaling-2016-02-06/DescribeScalingPolicies" * target="_top">AWS API Documentation</a> */ DescribeScalingPoliciesResult describeScalingPolicies(DescribeScalingPoliciesRequest describeScalingPoliciesRequest); /** * <p> * Creates or updates a policy for an Application Auto Scaling scalable target. * </p> * <p> * Each scalable target is identified by a service namespace, resource ID, and scalable dimension. A scaling policy * applies to the scalable target identified by those three attributes. You cannot create a scaling policy without * first registering a scalable target using <a>RegisterScalableTarget</a>. * </p> * <p> * To update a policy, specify its policy name and the parameters that you want to change. Any parameters that you * don't specify are not changed by this update request. * </p> * <p> * You can view the scaling policies for a service namespace using <a>DescribeScalingPolicies</a>. If you are no * longer using a scaling policy, you can delete it using <a>DeleteScalingPolicy</a>. * </p> * * @param putScalingPolicyRequest * @return Result of the PutScalingPolicy operation returned by the service. * @throws ValidationException * An exception was thrown for a validation issue. Review the available parameters for the API request. * @throws LimitExceededException * Your account exceeded a limit. This exception is thrown when a per-account resource limit is exceeded. * For more information, see <a * href="http://docs.aws.amazon.com/general/latest/gr/aws_service_limits.html#limits_as-app">Application * Auto Scaling Limits</a>. * @throws ObjectNotFoundException * The specified object could not be found. For any <code>Put</code> or <code>Register</code> API operation, * which depends on the existence of a scalable target, this exception is thrown if the scalable target with * the specified service namespace, resource ID, and scalable dimension does not exist. For any * <code>Delete</code> or <code>Deregister</code> API operation, this exception is thrown if the resource * that is to be deleted or deregistered cannot be found. * @throws ConcurrentUpdateException * Concurrent updates caused an exception, for example, if you request an update to an Application Auto * Scaling resource that already has a pending update. * @throws InternalServiceException * The service encountered an internal error. * @sample AWSApplicationAutoScaling.PutScalingPolicy * @see <a href="http://docs.aws.amazon.com/goto/WebAPI/application-autoscaling-2016-02-06/PutScalingPolicy" * target="_top">AWS API Documentation</a> */ PutScalingPolicyResult putScalingPolicy(PutScalingPolicyRequest putScalingPolicyRequest); /** * <p> * Registers or updates a scalable target. A scalable target is a resource that Application Auto Scaling can scale * out or scale in. After you have registered a scalable target, you can use this operation to update the minimum * and maximum values for your scalable dimension. * </p> * <p> * After you register a scalable target, you can create and apply scaling policies using <a>PutScalingPolicy</a>. * You can view the scaling policies for a service namespace using <a>DescribeScalableTargets</a>. If you are no * longer using a scalable target, you can deregister it using <a>DeregisterScalableTarget</a>. * </p> * * @param registerScalableTargetRequest * @return Result of the RegisterScalableTarget operation returned by the service. * @throws ValidationException * An exception was thrown for a validation issue. Review the available parameters for the API request. * @throws LimitExceededException * Your account exceeded a limit. This exception is thrown when a per-account resource limit is exceeded. * For more information, see <a * href="http://docs.aws.amazon.com/general/latest/gr/aws_service_limits.html#limits_as-app">Application * Auto Scaling Limits</a>. * @throws ConcurrentUpdateException * Concurrent updates caused an exception, for example, if you request an update to an Application Auto * Scaling resource that already has a pending update. * @throws InternalServiceException * The service encountered an internal error. * @sample AWSApplicationAutoScaling.RegisterScalableTarget * @see <a href="http://docs.aws.amazon.com/goto/WebAPI/application-autoscaling-2016-02-06/RegisterScalableTarget" * target="_top">AWS API Documentation</a> */ RegisterScalableTargetResult registerScalableTarget(RegisterScalableTargetRequest registerScalableTargetRequest); /** * 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. * <p> * 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); }