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@aws-cdk/cloudformation-diff
Advanced tools
Utilities to diff CDK stacks against CloudFormation templates
@aws-cdk/cloudformation-diff is a package that provides tools to compare AWS CloudFormation templates. It helps in identifying the differences between two CloudFormation templates, which is useful for understanding changes before applying them.
Template Diffing
This feature allows you to compare two CloudFormation templates and identify the differences. The `diffTemplate` function takes two templates as input and returns the differences.
const { diffTemplate } = require('@aws-cdk/cloudformation-diff');
const templateA = require('./templateA.json');
const templateB = require('./templateB.json');
const differences = diffTemplate(templateA, templateB);
console.log(differences);
Change Detection
This feature helps in detecting specific changes between two templates. By iterating over the differences, you can log or handle each change individually.
const { diffTemplate } = require('@aws-cdk/cloudformation-diff');
const templateA = require('./templateA.json');
const templateB = require('./templateB.json');
const differences = diffTemplate(templateA, templateB);
differences.forEach(diff => {
console.log(`Change detected: ${diff}`);
});
Resource Comparison
This feature focuses on comparing resources within the templates. It allows you to identify changes specific to resources, which is useful for understanding the impact on infrastructure.
const { diffTemplate } = require('@aws-cdk/cloudformation-diff');
const templateA = require('./templateA.json');
const templateB = require('./templateB.json');
const differences = diffTemplate(templateA, templateB);
differences.resources.forEach(resourceDiff => {
console.log(`Resource change detected: ${resourceDiff}`);
});
cfn-diff is a package that provides similar functionality for comparing AWS CloudFormation templates. It offers tools to detect changes and differences between templates, similar to @aws-cdk/cloudformation-diff. However, it may not be as tightly integrated with the AWS CDK ecosystem.
This module is part of the AWS Cloud Development Kit project.
FAQs
Utilities to diff CDK stacks against CloudFormation templates
The npm package @aws-cdk/cloudformation-diff receives a total of 155,233 weekly downloads. As such, @aws-cdk/cloudformation-diff popularity was classified as popular.
We found that @aws-cdk/cloudformation-diff demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 2 open source maintainers collaborating on the project.
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