/* * 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.cloudwatch; import javax.annotation.Generated; import com.amazonaws.*; import com.amazonaws.regions.*; import com.amazonaws.services.cloudwatch.model.*; import com.amazonaws.services.cloudwatch.waiters.AmazonCloudWatchWaiters; /** * Interface for accessing CloudWatch. * <p> * <b>Note:</b> Do not directly implement this interface, new methods are added to it regularly. Extend from * {@link com.amazonaws.services.cloudwatch.AbstractAmazonCloudWatch} instead. * </p> * <p> * <p> * Amazon CloudWatch monitors your Amazon Web Services (AWS) resources and the applications you run on AWS in real-time. * You can use CloudWatch to collect and track metrics, which are the variables you want to measure for your resources * and applications. * </p> * <p> * CloudWatch alarms send notifications or automatically make changes to the resources you are monitoring based on rules * that you define. For example, you can monitor the CPU usage and disk reads and writes of your Amazon Elastic Compute * Cloud (Amazon EC2) instances and then use this data to determine whether you should launch additional instances to * handle increased load. You can also use this data to stop under-used instances to save money. * </p> * <p> * In addition to monitoring the built-in metrics that come with AWS, you can monitor your own custom metrics. With * CloudWatch, you gain system-wide visibility into resource utilization, application performance, and operational * health. * </p> */ @Generated("com.amazonaws:aws-java-sdk-code-generator") public interface AmazonCloudWatch { /** * 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 = "monitoring"; /** * Overrides the default endpoint for this client ("https://monitoring.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: "monitoring.us-east-1.amazonaws.com") or a full URL, including the * protocol (ex: "https://monitoring.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: "monitoring.us-east-1.amazonaws.com") or a full URL, including the protocol (ex: * "https://monitoring.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 AmazonCloudWatch#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 alarms. In the event of an error, no alarms are deleted. * </p> * * @param deleteAlarmsRequest * @return Result of the DeleteAlarms operation returned by the service. * @throws ResourceNotFoundException * The named resource does not exist. * @sample AmazonCloudWatch.DeleteAlarms * @see <a href="http://docs.aws.amazon.com/goto/WebAPI/monitoring-2010-08-01/DeleteAlarms" target="_top">AWS API * Documentation</a> */ DeleteAlarmsResult deleteAlarms(DeleteAlarmsRequest deleteAlarmsRequest); /** * <p> * Retrieves the history for the specified alarm. You can filter the results by date range or item type. If an alarm * name is not specified, the histories for all alarms are returned. * </p> * <p> * Note that Amazon CloudWatch retains the history of an alarm even if you delete the alarm. * </p> * * @param describeAlarmHistoryRequest * @return Result of the DescribeAlarmHistory operation returned by the service. * @throws InvalidNextTokenException * The next token specified is invalid. * @sample AmazonCloudWatch.DescribeAlarmHistory * @see <a href="http://docs.aws.amazon.com/goto/WebAPI/monitoring-2010-08-01/DescribeAlarmHistory" * target="_top">AWS API Documentation</a> */ DescribeAlarmHistoryResult describeAlarmHistory(DescribeAlarmHistoryRequest describeAlarmHistoryRequest); /** * Simplified method form for invoking the DescribeAlarmHistory operation. * * @see #describeAlarmHistory(DescribeAlarmHistoryRequest) */ DescribeAlarmHistoryResult describeAlarmHistory(); /** * <p> * Retrieves the specified alarms. If no alarms are specified, all alarms are returned. Alarms can be retrieved by * using only a prefix for the alarm name, the alarm state, or a prefix for any action. * </p> * * @param describeAlarmsRequest * @return Result of the DescribeAlarms operation returned by the service. * @throws InvalidNextTokenException * The next token specified is invalid. * @sample AmazonCloudWatch.DescribeAlarms * @see <a href="http://docs.aws.amazon.com/goto/WebAPI/monitoring-2010-08-01/DescribeAlarms" target="_top">AWS API * Documentation</a> */ DescribeAlarmsResult describeAlarms(DescribeAlarmsRequest describeAlarmsRequest); /** * Simplified method form for invoking the DescribeAlarms operation. * * @see #describeAlarms(DescribeAlarmsRequest) */ DescribeAlarmsResult describeAlarms(); /** * <p> * Retrieves the alarms for the specified metric. Specify a statistic, period, or unit to filter the results. * </p> * * @param describeAlarmsForMetricRequest * @return Result of the DescribeAlarmsForMetric operation returned by the service. * @sample AmazonCloudWatch.DescribeAlarmsForMetric * @see <a href="http://docs.aws.amazon.com/goto/WebAPI/monitoring-2010-08-01/DescribeAlarmsForMetric" * target="_top">AWS API Documentation</a> */ DescribeAlarmsForMetricResult describeAlarmsForMetric(DescribeAlarmsForMetricRequest describeAlarmsForMetricRequest); /** * <p> * Disables the actions for the specified alarms. When an alarm's actions are disabled, the alarm actions do not * execute when the alarm state changes. * </p> * * @param disableAlarmActionsRequest * @return Result of the DisableAlarmActions operation returned by the service. * @sample AmazonCloudWatch.DisableAlarmActions * @see <a href="http://docs.aws.amazon.com/goto/WebAPI/monitoring-2010-08-01/DisableAlarmActions" target="_top">AWS * API Documentation</a> */ DisableAlarmActionsResult disableAlarmActions(DisableAlarmActionsRequest disableAlarmActionsRequest); /** * <p> * Enables the actions for the specified alarms. * </p> * * @param enableAlarmActionsRequest * @return Result of the EnableAlarmActions operation returned by the service. * @sample AmazonCloudWatch.EnableAlarmActions * @see <a href="http://docs.aws.amazon.com/goto/WebAPI/monitoring-2010-08-01/EnableAlarmActions" target="_top">AWS * API Documentation</a> */ EnableAlarmActionsResult enableAlarmActions(EnableAlarmActionsRequest enableAlarmActionsRequest); /** * <p> * Gets statistics for the specified metric. * </p> * <p> * Amazon CloudWatch retains metric data as follows: * </p> * <ul> * <li> * <p> * Data points with a period of 60 seconds (1 minute) are available for 15 days * </p> * </li> * <li> * <p> * Data points with a period of 300 seconds (5 minute) are available for 63 days * </p> * </li> * <li> * <p> * Data points with a period of 3600 seconds (1 hour) are available for 455 days (15 months) * </p> * </li> * </ul> * <p> * Note that CloudWatch started retaining 5-minute and 1-hour metric data as of 9 July 2016. * </p> * <p> * The maximum number of data points returned from a single call is 1,440. If you request more than 1,440 data * points, Amazon CloudWatch returns an error. To reduce the number of data points, you can narrow the specified * time range and make multiple requests across adjacent time ranges, or you can increase the specified period. A * period can be as short as one minute (60 seconds). Note that data points are not returned in chronological order. * </p> * <p> * Amazon CloudWatch aggregates data points based on the length of the period that you specify. For example, if you * request statistics with a one-hour period, Amazon CloudWatch aggregates all data points with time stamps that * fall within each one-hour period. Therefore, the number of values aggregated by CloudWatch is larger than the * number of data points returned. * </p> * <p> * CloudWatch needs raw data points to calculate percentile statistics. If you publish data using a statistic set * instead, you cannot retrieve percentile statistics for this data unless one of the following conditions is true: * </p> * <ul> * <li> * <p> * The SampleCount of the statistic set is 1 * </p> * </li> * <li> * <p> * The Min and the Max of the statistic set are equal * </p> * </li> * </ul> * <p> * For a list of metrics and dimensions supported by AWS services, see the <a * href="http://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/CW_Support_For_AWS.html">Amazon CloudWatch * Metrics and Dimensions Reference</a> in the <i>Amazon CloudWatch User Guide</i>. * </p> * * @param getMetricStatisticsRequest * @return Result of the GetMetricStatistics operation returned by the service. * @throws InvalidParameterValueException * The value of an input parameter is bad or out-of-range. * @throws MissingRequiredParameterException * An input parameter that is required is missing. * @throws InvalidParameterCombinationException * Parameters that cannot be used together were used together. * @throws InternalServiceException * Request processing has failed due to some unknown error, exception, or failure. * @sample AmazonCloudWatch.GetMetricStatistics * @see <a href="http://docs.aws.amazon.com/goto/WebAPI/monitoring-2010-08-01/GetMetricStatistics" target="_top">AWS * API Documentation</a> */ GetMetricStatisticsResult getMetricStatistics(GetMetricStatisticsRequest getMetricStatisticsRequest); /** * <p> * List the specified metrics. You can use the returned metrics with <a>GetMetricStatistics</a> to obtain * statistical data. * </p> * <p> * Up to 500 results are returned for any one call. To retrieve additional results, use the returned token with * subsequent calls. * </p> * <p> * After you create a metric, allow up to fifteen minutes before the metric appears. Statistics about the metric, * however, are available sooner using <a>GetMetricStatistics</a>. * </p> * * @param listMetricsRequest * @return Result of the ListMetrics operation returned by the service. * @throws InternalServiceException * Request processing has failed due to some unknown error, exception, or failure. * @throws InvalidParameterValueException * The value of an input parameter is bad or out-of-range. * @sample AmazonCloudWatch.ListMetrics * @see <a href="http://docs.aws.amazon.com/goto/WebAPI/monitoring-2010-08-01/ListMetrics" target="_top">AWS API * Documentation</a> */ ListMetricsResult listMetrics(ListMetricsRequest listMetricsRequest); /** * Simplified method form for invoking the ListMetrics operation. * * @see #listMetrics(ListMetricsRequest) */ ListMetricsResult listMetrics(); /** * <p> * Creates or updates an alarm and associates it with the specified metric. Optionally, this operation can associate * one or more Amazon SNS resources with the alarm. * </p> * <p> * When this operation creates an alarm, the alarm state is immediately set to <code>INSUFFICIENT_DATA</code>. The * alarm is evaluated and its state is set appropriately. Any actions associated with the state are then executed. * </p> * <p> * When you update an existing alarm, its state is left unchanged, but the update completely overwrites the previous * configuration of the alarm. * </p> * <p> * If you are an AWS Identity and Access Management (IAM) user, you must have Amazon EC2 permissions for some * operations: * </p> * <ul> * <li> * <p> * <code>ec2:DescribeInstanceStatus</code> and <code>ec2:DescribeInstances</code> for all alarms on EC2 instance * status metrics * </p> * </li> * <li> * <p> * <code>ec2:StopInstances</code> for alarms with stop actions * </p> * </li> * <li> * <p> * <code>ec2:TerminateInstances</code> for alarms with terminate actions * </p> * </li> * <li> * <p> * <code>ec2:DescribeInstanceRecoveryAttribute</code> and <code>ec2:RecoverInstances</code> for alarms with recover * actions * </p> * </li> * </ul> * <p> * If you have read/write permissions for Amazon CloudWatch but not for Amazon EC2, you can still create an alarm, * but the stop or terminate actions won't be performed. However, if you are later granted the required permissions, * the alarm actions that you created earlier will be performed. * </p> * <p> * If you are using an IAM role (for example, an Amazon EC2 instance profile), you cannot stop or terminate the * instance using alarm actions. However, you can still see the alarm state and perform any other actions such as * Amazon SNS notifications or Auto Scaling policies. * </p> * <p> * If you are using temporary security credentials granted using the AWS Security Token Service (AWS STS), you * cannot stop or terminate an Amazon EC2 instance using alarm actions. * </p> * <p> * Note that you must create at least one stop, terminate, or reboot alarm using the Amazon EC2 or CloudWatch * console to create the <b>EC2ActionsAccess</b> IAM role. After this IAM role is created, you can create stop, * terminate, or reboot alarms using a command-line interface or an API. * </p> * * @param putMetricAlarmRequest * @return Result of the PutMetricAlarm operation returned by the service. * @throws LimitExceededException * The quota for alarms for this customer has already been reached. * @sample AmazonCloudWatch.PutMetricAlarm * @see <a href="http://docs.aws.amazon.com/goto/WebAPI/monitoring-2010-08-01/PutMetricAlarm" target="_top">AWS API * Documentation</a> */ PutMetricAlarmResult putMetricAlarm(PutMetricAlarmRequest putMetricAlarmRequest); /** * <p> * Publishes metric data points to Amazon CloudWatch. Amazon CloudWatch associates the data points with the * specified metric. If the specified metric does not exist, Amazon CloudWatch creates the metric. When Amazon * CloudWatch creates a metric, it can take up to fifteen minutes for the metric to appear in calls to * <a>ListMetrics</a>. * </p> * <p> * Each <code>PutMetricData</code> request is limited to 40 KB in size for HTTP POST requests. * </p> * <p> * Although the <code>Value</code> parameter accepts numbers of type <code>Double</code>, Amazon CloudWatch rejects * values that are either too small or too large. Values must be in the range of 8.515920e-109 to 1.174271e+108 * (Base 10) or 2e-360 to 2e360 (Base 2). In addition, special values (e.g., NaN, +Infinity, -Infinity) are not * supported. * </p> * <p> * You can use up to 10 dimensions per metric to further clarify what data the metric collects. For more information * on specifying dimensions, see <a * href="http://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/publishingMetrics.html">Publishing * Metrics</a> in the <i>Amazon CloudWatch User Guide</i>. * </p> * <p> * Data points with time stamps from 24 hours ago or longer can take at least 48 hours to become available for * <a>GetMetricStatistics</a> from the time they are submitted. * </p> * <p> * CloudWatch needs raw data points to calculate percentile statistics. If you publish data using a statistic set * instead, you cannot retrieve percentile statistics for this data unless one of the following conditions is true: * </p> * <ul> * <li> * <p> * The SampleCount of the statistic set is 1 * </p> * </li> * <li> * <p> * The Min and the Max of the statistic set are equal * </p> * </li> * </ul> * * @param putMetricDataRequest * @return Result of the PutMetricData operation returned by the service. * @throws InvalidParameterValueException * The value of an input parameter is bad or out-of-range. * @throws MissingRequiredParameterException * An input parameter that is required is missing. * @throws InvalidParameterCombinationException * Parameters that cannot be used together were used together. * @throws InternalServiceException * Request processing has failed due to some unknown error, exception, or failure. * @sample AmazonCloudWatch.PutMetricData * @see <a href="http://docs.aws.amazon.com/goto/WebAPI/monitoring-2010-08-01/PutMetricData" target="_top">AWS API * Documentation</a> */ PutMetricDataResult putMetricData(PutMetricDataRequest putMetricDataRequest); /** * <p> * Temporarily sets the state of an alarm for testing purposes. When the updated state differs from the previous * value, the action configured for the appropriate state is invoked. For example, if your alarm is configured to * send an Amazon SNS message when an alarm is triggered, temporarily changing the alarm state to <code>ALARM</code> * sends an Amazon SNS message. The alarm returns to its actual state (often within seconds). Because the alarm * state change happens very quickly, it is typically only visible in the alarm's <b>History</b> tab in the Amazon * CloudWatch console or through <a>DescribeAlarmHistory</a>. * </p> * * @param setAlarmStateRequest * @return Result of the SetAlarmState operation returned by the service. * @throws ResourceNotFoundException * The named resource does not exist. * @throws InvalidFormatException * Data was not syntactically valid JSON. * @sample AmazonCloudWatch.SetAlarmState * @see <a href="http://docs.aws.amazon.com/goto/WebAPI/monitoring-2010-08-01/SetAlarmState" target="_top">AWS API * Documentation</a> */ SetAlarmStateResult setAlarmState(SetAlarmStateRequest setAlarmStateRequest); /** * 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); AmazonCloudWatchWaiters waiters(); }