hw-labs / loft-sparkles

SparkleFormation examples for AWS Loft

SparkleFormation @ AWS Loft

This repository contains the examples used for the AWS Loft presentation. The slides are available online here:

• https://hw-ops.com/slides/loft-sparkles

To run the examples, you will need to:

• Install the bundle
• Set AWS credentials in your environment

Installing the bundle

Clone this repository and from within it run:

$> bundle install

Once this completes, confirm a working installation:

$> bundle exec knife cloudformation --help

Set AWS credentials

The configuration for the knife-cloudformation CLI is found within the .chef/knife.rb file. It uses environment variables by default. The required variables:

• AWS_ACCESS_KEY_ID
• AWS_SECRET_ACCESS_KEY
• AWS_REGION (set to us-west-2 for examples)

Usage

List existing stacks

$> bundle exec knife cloudformation list

Create stack using JSON template

$> bundle exec knife cloudformation create my-json-stack --file raw/full.json

Create stack using SparkleFormation template

$> bundle exec knife cloudformation create my-sfn-stack --file cloudformation/template/full.rb --processing

View stack events

$> bundle exec knife cloudformation events my-stack --poll

View stack resources and outputs

$> bundle exec knife cloudformation describe my-stack

Inspect the stack

Stack data:

$> bundle exec knife cloudformation inspect my-stack

Template:

$> bundle exec knife cloudformation inspect my-stack -a template

EC2 instance addresses within stack:

$> bundle exec knife cloudformation inspect my-stack -N

Delete stack

$> bundle exec knife cloudformation destroy my-stack