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aws-cloudformation-stacks-graph

v1.2.2

Published

Generate a network diagram of the CloudFormation stacks using the import/export dependencies that exist amongst them.

Downloads

90

Readme

aws-cloudformation-stacks-graph NPM

Generate a network diagram of the CloudFormation stacks using the import/export dependencies that exist amongst them.

This helps to visualize the dependency complexity between various stacks in an application and shows the deployment order for these stacks.

Usage

  1. Install the application
npm install --global aws-cloudformation-stacks-graph
  1. Run the application against all stacks in a given AWS account and region
cfn-stacks-graph --profile="profile" --region="your-region"

Parameters

--profile <profile-name>

The AWS CLI named profile to use. If available, AWS_PROFILE environment variable is used if this parameter is not specified, otherwise uses 'default'.

--region <region>

The AWS region to use. Uses us-east-1 if this parameter is not specified.

--output <file-name>

Output file name to use. Uses 'cfn-stacks-graph' if this parameter is not specified.

--format <file-format>

Output file format to use - should be 'pdf', 'png', or 'svg'. Uses 'pdf' if this parameter is invalid or not specified.

Technical Notes

This uses the Mermaid-JS (https://mermaid-js.github.io/) library / Mermaid-CLI (https://github.com/mermaidjs/mermaid.cli) to render the graph of the information.

The AWS SDKv3 for Javascript is used to gather the stack information.

An intermediate file named cfn-stacks-graph.mmd will be generated as part of running this application. This is the config file leveraged by mermaid to render the actual graph

IAM Permissions Needed

A policy attached to your role must have the following minimum permissions:

{
  "Effect": "Allow",
  "Action": [
    "cloudformation:ListExports",
    "cloudformation:ListImports",
    "cloudformation:ListStacks"
  ],
  "Resource": "*"
}

Security

See CONTRIBUTING for more information.

License

This project is licensed under the Apache-2.0 License.