custom-cloud9-ssm

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Language	Package
Python	cdk_use_cases.custom_cloud9_ssm
Typescript	@cdk-use-cases/custom-cloud9-ssm

This pattern implements a Cloud9 EC2 environment, applying an initial configuration to the EC2 instance using an SSM Document. It includes helper methods to add steps and parameters to the SSM Document and to resize the EBS volume of the EC2 instance to a given size.

Here is a minimal deployable pattern definition in Typescript:

new CustomCloud9Ssm(stack, 'CustomCloud9Ssm');

You can view other usage examples.

Initializer

new CustomCloud9Ssm(scope: Construct, id: string, props: CustomCloud9SsmProps);

Parameters

• scope Construct
• id string
• props CustomCloud9SsmProps

Pattern Construct Props

Pattern Properties

Pattern Methods

public addDocumentSteps(steps: string): void

Description

Adds one or more steps to the content of the SSM Document.

Parameters

• steps string: YAML formatted string containing one or more steps to be added to the mainSteps section of the SSM Document.

public addDocumentParameters(parameters: string): void

Description

Adds one or more parameters to the content of the SSM Document.

Parameters

• parameters string: YAML formatted string containing one or more parameters to be added to the parameters section of the SSM Document.

public resizeEBSTo(size: number): void

Description

Adds a step to the SSM Document content that resizes the EBS volume of the EC2 instance. Attaches the required policies to ec2Role.

Parameters

• size number: size in GiB to resize the EBS volume to.

public deployCDKProject(url: string, stackName: string = ''): void

Description

Adds a step to the SSM Document content that deploys a CDK project from its tar compressed version.

Parameters

• url string: from where to download the file using the wget command
• stackName string: name of the stack to deploy

Default settings

Out of the box implementation of the Construct without any override will set the following defaults:

Cloud9 EC2 environment

• Creates a Cloud9 EC2 environment with:

  • T3.large instance type.
  • Image id amazonlinux-2023-x86_64.

SSM Document

• Creates an SSM Document with:

  • A step that installs jq.
  • A step that resizes the EBS volume of the EC2 instance to 100 GiB.

Architecture

Other usage examples

Using default configuration and adding steps

import {CustomCloud9Ssm} from '@cdk-use-cases/custom-cloud9-ssm';

// Define a step that installs boto3
const boto3Step = `
- name: InstallBoto3
  action: aws:runShellScript
  inputs:
    runCommand:
    - "#!/bin/bash"
    - sudo pip install boto3
`

// Create the custom environment
let customCloud9 = new CustomCloud9Ssm(this, 'CustomCloud9Ssm')

// Add your step to the default document configuration
customCloud9.addDocumentSteps(boto3Step)

Providing props for the SSM Document and resizing the EBS volume

import {CustomCloud9Ssm, CustomCloud9SsmProps} from '@cdk-use-cases/custom-cloud9-ssm';
const yaml = require('yaml')

// Define the content of the document
const content = `
schemaVersion: '2.2'
description: Bootstrap Cloud9 EC2 instance
mainSteps:
- name: InstallBoto3
  action: aws:runShellScript
  inputs:
    runCommand:
    - "#!/bin/bash"
    - sudo pip install boto3
`

// Specify the configuration for the SSM Document
const cloud9Props: CustomCloud9SsmProps = {
    ssmDocumentProps: {
        documentType: 'Command',
        content: yaml.parse(content),
        name: 'MyDocument'
    }
}

// Create the custom environment
let customCloud9 = new CustomCloud9Ssm(this, 'CustomCloud9Ssm', cloud9Props)

// Add a step to resize the EBS volume to 50GB
customCloud9.resizeEBSTo(50)

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