Automated Route53 Record Creation in CloudFormation

Answer - A.

The optional Conditions section includes statements that define when a resource is created or when a property is defined.

For example, you can compare whether a value is equal to another value.

Based on the result of that condition, you can conditionally create resources.

If you have multiple conditions, separate them with commas.

You might use conditions when you want to reuse a template that can create resources in different contexts, such as a test environment versus a production environment.

You can add an EnvironmentType input parameter in your template, which accepts either prod or test as inputs.

For the production environment, you might include Amazon EC2 instances with certain capabilities.

However, for the test environment, you want to use reduced capabilities to save money.

With conditions, you can define which resources are created and how they're configured for each environment type.

For more information on Cloudformation conditions, please refer to the below link:

http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/conditions-section-structure.html

The correct answer is A: Use a Parameter for the environment, and add a Condition on the Route53 Resource in the template to create the record only when the environment is not production.

Here's a detailed explanation:

CloudFormation is a service provided by AWS that allows you to create and manage AWS resources through code. You define a template that describes the resources you want to create, and CloudFormation takes care of creating them in a reliable and repeatable way.

When you create a CloudFormation template, you can use Parameters and Conditions to make it more flexible and reusable. Parameters allow you to pass values to the template at runtime, while Conditions allow you to control whether certain resources should be created or not based on the value of some condition.

In this case, the requirement is to create a Route53 record automatically in CloudFormation when not running in production during all launches of a Template. This means that the record should be created for all non-production environments, but not for production.

To implement this, you can use a Parameter to pass the environment value to the template, and a Condition to control the creation of the Route53 record based on that value. Here's an example:

yamlCopy code
Parameters:   Environment:     Type: String     AllowedValues: [dev, test, prod]     Default: dev  Resources:   Route53Record:     Type: AWS::Route53::RecordSet     Condition: IsNotProduction     Properties:       # ...        Conditions:   IsNotProduction:     Fn::Not:       - Fn::Equals:           - !Ref Environment           - prod 

In this example, we define a Parameter called "Environment" that allows three values: dev, test, and prod. The default value is set to dev, so if no value is passed at runtime, the template will assume it's a dev environment.

Then, we define a Route53Record resource and add a Condition called "IsNotProduction". This condition is a logical NOT of an Equals function that compares the value of the Environment parameter with "prod". So, if the Environment is not "prod", the condition will be true and the resource will be created.

Finally, we define the IsNotProduction condition in the Conditions section using the Not and Equals functions. This condition will be evaluated at runtime and used to determine whether to create the Route53 record or not.

Using this approach, you can create a template that automatically creates a Route53 record for non-production environments, but not for production. This makes your deployment process more automated, reliable, and consistent.