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# CloudWatch code examples for the SDK for Ruby

## Overview

Shows how to use the AWS SDK for Ruby to work with Amazon CloudWatch.

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*CloudWatch provides a reliable, scalable, and flexible monitoring solution that you can start using within minutes.*

## ⚠ Important

* Running this code might result in charges to your AWS account.
* Running the tests might result in charges to your AWS account.
* We recommend that you grant your code least privilege. At most, grant only the minimum permissions required to perform the task. For more information, see [Grant least privilege](https://docs.aws.amazon.com/IAM/latest/UserGuide/best-practices.html#grant-least-privilege).
* This code is not tested in every AWS Region. For more information, see [AWS Regional Services](https://aws.amazon.com/about-aws/global-infrastructure/regional-product-services).

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## Code examples

### Prerequisites

For prerequisites, see the [README](../../README.md#Prerequisites) in the `ruby` folder.


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### Single actions

Code excerpts that show you how to call individual service functions.

* [Create a metric alarm](create_alarm.rb#L6) (`PutMetricAlarm`)
* [Describe alarms for a metric](alarm_basics.rb#L8) (`DescribeAlarmsForMetric`)
* [Disable alarm actions](alarm_actions.rb#L93) (`DisableAlarmActions`)
* [List metrics](metrics_basics.rb#L69) (`ListMetrics`)
* [Put data into a metric](metrics_basics.rb#L8) (`PutMetricData`)

## Run the examples

### Instructions


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The quickest way to interact with this example code is to invoke a [Scenario](#Scenarios) from your command line. For example, `ruby some_scenario.rb` will invoke `some_scenario.rb`.
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### Tests

⚠ Running tests might result in charges to your AWS account.


To find instructions for running these tests, see the [README](../../README.md#Tests)
in the `ruby` folder.


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## Contribute
Code examples thrive on community contribution.

To learn more about the contributing process, see [CONTRIBUTING.md](../../../CONTRIBUTING.md).
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## Additional resources

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* [More Ruby CloudWatch code examples](https://docs.aws.amazon.com/sdk-for-ruby/v3/developer-guide/cw-examples.html)
* [SDK for Ruby Developer Guide](https://aws.amazon.com/developer/language/ruby/)
* [SDK for Ruby CloudWatch Module](https://docs.aws.amazon.com/sdk-for-ruby/v3/api/Aws/CloudWatch.html)
* [CloudWatch Developer Guide](https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/WhatIsCloudWatch.html)
* [CloudWatch API Reference](https://docs.aws.amazon.com/AmazonCloudWatch/latest/APIReference/Welcome.html)
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SPDX-License-Identifier: Apache-2.0