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AWS Tools for PowerShell 6

You're reading from   AWS Tools for PowerShell 6 Administrate, maintain, and automate your infrastructure with ease

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Product type Paperback
Published in Aug 2017
Publisher
ISBN-13 9781785884078
Length 372 pages
Edition 1st Edition
Languages
Tools
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Author (1):
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Ramesh Waghmare Ramesh Waghmare
Author Profile Icon Ramesh Waghmare
Ramesh Waghmare
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Toc

Table of Contents (17) Chapters Close

Preface 1. PowerShell Essentials FREE CHAPTER 2. The AWS Overview 3. Installing PowerShell Core and AWS Tools 4. AWS Identity and Access Management 5. AWS Virtual Private Cloud 6. AWS Elastic Compute Cloud 7. AWS Simple Storage Service 8. Elastic Load Balancer 9. Auto Scaling 10. Laying Foundation for RDS Databases 11. DB Instance Administration and Management 12. Working with RDS Read Replicas 13. AWS Elastic Beanstalk 14. AWS CloudFormation 15. AWS CloudWatch 16. AWS Resource Auditing

Intrinsic functions

CloudFormation provides various built-in functions that assist you to manage stacks. These intrinsic functions are very useful for you to capture the values of the resource properties that are not available until runtime. This helps to create customizable templates.

Intrinsic functions are as follows:

  • Fn::Base64: This function returns the Base64 representation of the input string. It is used to pass encoded data to an EC2 instance via the userdata property of the EC2 instance.
Fn::Base64: valueToEncode
  • Fn::FindInMap: It returns the mapping value corresponding to the mapping keys declared in the Mappings section of the CloudFormation template.
Fn::FindInMap: [ MapName, TopLevelKey, SecondLevelKey ]
  • Fn::GetAtt: It returns the value of an attribute from the specified resource in the CloudFormation template.
Fn::GetAtt: [ logicalNameOfResource, attributeName...
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