book

Mastering AWS CloudFormation

by Karen Tovmasyan

May 2020

Intermediate to advanced

300 pages

English

Packt Publishing

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Technical requirementsUnderstanding the internals of AWS CloudFormationCreating your first stackUnderstanding CloudFormation IAM permissionsDrift detectionSummaryQuestionsFurther reading
Technical requirementsGoing through the internals of the templateAWSTemplateFormatVersionDescriptionMetadataParametersMappingsConditionsTransformResourcesOutputsCreating reusable templatesUsing conditional elementsDeletion policiesReferring to existing stacksAWS pseudo parametersAWS::AccountIdAWS::NoValueAWS::RegionAWS::StackId and AWS::StackNameAWS::URLSuffixAWS::PartitionDynamic references with Parameter Store and Secrets ManagerSummaryQuestionsFurther reading
Technical requirementsValidating the templateUsing a linter for best practices on templatesLinting against specific regionsIgnoring specific rulesCreating custom rulesProvisioning our stackDeploying stacks using Change SetsHandling errorsWorking with driftsSummaryQuestionsFurther reading
Technical requirementsIncluding a template in your applicationRunning smoke tests on your stackSmoke testing for EC2 auto scaling groupsSmoke testing VPC resourcesBest practices for the release management of CloudFormation stacksAlways use version control systemsEnsuring that your dependencies can be easily retrievedKeeping your code base cleanChoosing a proper branching modelAlways perform a code reviewHaving full test coverageDon't forget to use a CloudFormation IAM roleAlways perform smoke testingUsing the correct CI/CD instrumentsKeeping up the good workCreating a CI/CD pipeline with CloudFormation and CodePipelineScenario – core stackSummaryQuestionsFurther reading
Technical requirementsThe old-fashioned way of multi-regional and multi-account infrastructure managementIntroducing StackSetsPermissionsDeploying to multiple regionsUsing AWS ConsoleUsing awscliBest practices for StackSetsDeploying to multiple accountsPreventing failures of multiple StackSet deployments using TAGsSummaryQuestionsFurther reading
Technical requirementsIntroducing cfn-initDeploying your application to EC2 during stack creationCreating a Hello, World applicationCreating LNMP stackUsing cfn-signal to inform CloudFormation about resource readinessSummaryQuestionsFurther reading

Technical requirementsUnderstanding custom resourcesThe internals of the underlying Lambda functionWriting and managing your own custom resourceCreating databases in RDS using CRsHandling updates, deletions, and failures of CRsDeleting resourceUpdating resourcesExtra features for the custom database functionCustom status reasonsSending a success upon the deletion of nothingSummaryQuestionsFurther reading
Technical requirementsUnderstanding the use cases of the template macroAuto filling resource property valuesAdding extra resourcesMaking resource declaration easier for developersIntroducing the template macroConsiderationsWriting your own macroAMI ID fillerRendering the application template from a short declarationParsing propertiesDeclaring resources from the macroDeploying a standard appSummaryQuestionsFurther reading
Technical requirementsIntroducing AWS CDKFacilitating template development with AWS CDKWriting your first template using AWS CDK and PythonPreparing constructsRendering core resourcesRendering the web tierRendering the storage tierDeploying CDK applicationTesting CDK applicationsSummaryQuestionsFurther reading
Technical requirementsIntroducing AWS SAMUnderstanding the differences between SAM and CloudFormationWriting your first serverless application with SAMPrerequisitesDeveloping a Hello, World applicationRunning SAM applicationsExamining logs with SAMCreating complex applications with SAMSummaryQuestionsFurther reading
The future of infrastructure as codeUnderstanding the difference between Terraform and CloudFormationProvider supportDeclaration syntaxDevelopment and deployment methodologiesUnderstanding the value of Cloud Development KitTesting infrastructureAdding artifactsSummaryFurther reading
Chapter 1: CloudFormation RefresherChapter 2: Advanced Template DevelopmentChapter 3: Validation, Linting, and Deployment of the StackChapter 4: Continuous Integration and DeploymentChapter 5: Deploying to Multiple Regions and Accounts Using StackSetsChapter 6: Configuration Management of the EC2 Instances Using cfn-initChapter 7: Creating Resources outside AWS Using Custom ResourcesChapter 8: Dynamically Rendering the Template Using Template MacrosChapter 9: Generating CloudFormation Templates Using AWS CDKChapter 10: Deploying Serverless Applications Using AWS SAM
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Content preview from Mastering AWS CloudFormation

Section 1: CloudFormation Internals

In our first section, we will do a small refresher on CloudFormation. Later, we will dive deep into its core component – a template – and learn how to write universal, redundant, and reusable templates.

This section comprises the following chapters: