Cloudformation Archives

Cross Account RDS Snapshotting Automation Leveraging Pilot Light DR Strategy

An automated solution in a cost effective way to have RDS snapshots shared on a timed schedule with different AWS accounts in order to centrally manage the data also in a different location. The solution mainly caters for standing an infrastructure and bringing the system back to continue the operations for the business continuity within the approved RPO and RTO when any of the disaster events kicks in.

Atheef Mohamed July 5, 2021

How to Secure your Instance Metadata Service on AWS Using AWS Systems Manager Run Commands

In the final part of this series, I will demonstrate how to configure EC2 Instance Metadata Service (IMDS) through the use of AWS Systems Manager (SSM) Run Commands using a tag based approach to target EC2 instances to run our IMDS commands against. In addition, I will look at automating this process using EventBridge to maintain IMDS on a periodic basis.

Michael Scovell May 18, 2021

How to Secure your Instance Metadata Service on AWS

In this two-part series, I will explain and demonstrate how to update your EC2 instances to use IMDSv2 as well as automate this process through the use of SSM Documents that can be provisioned within your CloudFormation templates.

Michael Scovell April 19, 2021

Performing Rolling Updates in Terraform with CloudFormation

In this post we look at one of the most common problems Terraform encounters – managing rolling updates to AWS AutoScaling Groups – and how you can utilise CloudFormation to solve this.

Andrew D'Silva November 10, 2020

OUR FIRST DRIVE OF AWS CHATBOT

AWS recently announced ChatBot integration with Chime and Slack… let’s see how easy it is to set up and get running.

Steve Mactaggart April 21, 2020

Integrating CFN-LINT with BuildKite

In this post we explore how to integrate cfn-lint with Buildkite for testing CloudFormation templates, ensuring that the CloudFormation stack will only be deployed if it’s correct.

Swati Maruvada July 21, 2019

Reducing ALB Costs Using Host-Based Rules

In this article, we show an opportunity to reduce costs when multiple Application Load Balancers (ALB) are in use. By using one of the ALB’s features and minor changes to the environment, it’s possible to save some money on your AWS bill.

Francisco Collet March 24, 2019

Using CFN-LINT to Validate IAM Resources in AWS

Highly recommended for any automation engineer who wants to control their Cloudformation via a pipeline.

Jason Keane February 3, 2019

Every Cloud(Front) Has a Silver Lining

A deep dive into some of the different options when configuring CloudFront to get the best out of it for your application.

Kristy McDonald November 30, 2018

Cloudformation Deep Dive

There are a few key criteria I look for in CloudFormation – If I’m in a multi-account strategy then I must be able to deploy the CloudFormation in all accounts and/or regions. Additionally I must be able to stand up multiple copies of the same stack in the same VPC and account and/or regions.

Trent Hornibrook October 2, 2018

Tag: Cloudformation