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https://github.com/pistazie/cdk-dia

Automated diagrams of CDK provisioned infrastructure
https://github.com/pistazie/cdk-dia

Last synced: 7 days ago
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Automated diagrams of CDK provisioned infrastructure

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# 🎡 CDK-Dia - Automated diagrams for CDK infrastructure

_Cdk-dia diagrams your CDK provisioned infrastructure using the Graphviz dot language._

## Example

This Diagram was automatically generated from an AWS CDK stack



## Getting started - Typescript / Javascript
Add cdk-dia to your CDK project
```sh
npm install cdk-dia
```

Install Graphviz
```sh
brew install graphviz
```
* If you don't use brew: Graphviz installation in many environments is [well documented](https://graphviz.org/download/).
* make sure Graphviz's dot binary is available in your PATH.

Synthesize your CDK application
```sh
cdk synth
```

Generate a CDK-DIA diagram PNG
```sh
npx cdk-dia
```

Generate a CDK-DIA diagram as an interactive HTML (experimental)
```sh
npx cdk-dia --rendering cytoscape-html
```

## Getting started - any other CDK language
Globally install cdk-dia
```sh
npm install cdk-dia -g
```

Install Graphviz
```sh
brew install graphviz
```
* If you don't use brew: Graphviz installation in many environments is [well documented](https://graphviz.org/download/).
* make sure Graphviz's dot binary is available in your PATH.

Synthesize your CDK application
```sh
cdk synth
```

Generate a CDK-DIA diagram
```sh
cdk-dia
```

## Customize diagrams

In some cases it is useful to be able to tweak a diagram. For this purpose CDK-DIA includes customizers/decorators
you can use with your CDK constructs in order to tweak the diagram.

### Limitations:

* Customization and decorators are currently only support for Typescript/Javascript CDK projects.
* In order to customize you have to add cdk-dia as a npm project dependency (globally installing it using `npm i -g` won't allow you to use the `CdkDiaDecorator` class)

### Example:
Consider the following diagram of a 3-Tier CDK Stack:

In this diagram CDK-DIA collapsed the DBTier (done automatically to any CDK Level 2 (L2) construct) in order to
create a diagram which contains the most important details.

One can use a decorator in order to customize the diagram and prevent CDK-DIA from collapsing the Construct.

This is done by implementing CDK's IInpectable's interface and using CDK-DIA's decorator. example:

This results in a Diagram where the DB-Tier was not collapsed providing more details:

* a full example or the above can be found at [examples/decoration-example](examples/decoration-example)

## CLI arguments
* ```npx cdk-dia --help``` - Get possible arguments
* ```npx cdk-dia --include stackOne stackFour``` - only diagram chosen aws-cdk stacks
* ```npx cdk-dia --include pipelinestack/prod/database``` - choose stacks by path (nested stacks, pipeline stacks)
* ```npx cdk-dia --exclude stackOne``` - exclude chosen aws-cdk stacks from the diagram

## 🙏🏽 Contributing
Contribution is covered in the [CONTRIBUTING.md](./CONTRIBUTING.md) markdown.