Getting around circular CloudFormation Dependencies: S3-Event-Lambda-Role

Getting around circular CloudFormation dependencies Several posts complain about the inability of CloudFormation to apply a Lambda event function to an S3 Bucket with an dynamically generated name. The standard UseCase is an S3 Bucket with a Lambda event notification. In this special case the Bucket has a dynamically generated name. This cannot be done by pure CloudFormation! How to work around this circular depency? Let me show you an easy way:

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Bridging the terraform - CloudFormation gap

CloudFormation does not cover all AWS Resource types. Terraform does a better job in covering resource types just in time. So if you want to use a resource type which CloudFormation does not support yet, but you want to use CloudFormation, you have to bui

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The cuckoo egg testing lambda

Oh, there is an error in my Lambda function. But - what is the event JSON input which caused the error? Oh, I forgot to log the event in my Lambda code. Damned! It would be great to swap the code with a “just dump the event code” and slip it l

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Große Wolken - CloudFormation Makros

How to: CloudFormation Makro CloudFormation vermisst gegenüber Terraform einige Funktionen, die das Erstellen von Infrastruktur vereinfachen können. Das ist grundsätzlich korrekt, allerdings gibt es in CloudFormation die Möglichkeit, sich selber um den Ei

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Velocity for complex CloudFormation templates

Cloudformation as a description language With AWS CloudFormation, (almost) all AWS service can be described in a configuration language. This enables scripting of AWS infrastructure. Thus, AWS resources are well documented. The templates can also be store

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Prepopulate Lambda Console Testevents without dirty manual work using Terraform

You like Lambda testevents? Great! But with “automate everything”, manual console clicks are considered dirty! Keep your hand clean by automating the creation of Lambda test events. So you can give your team, and yourself prepopulated test eve

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