drewmullen

Full-stack YAML engineer

Joined on Oct 8, 2018

Work

HashiCorp

drewmullen

Apr 17

Migrating a Terraform Module to Ephemeral Resources Without Breaking Existing Users

#automation #devops #terraform #tutorial

5 min read

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drewmullen

Apr 16

Migrating a Terraform Module to Ephemeral Resources Without Breaking Existing Users

#devops #security #terraform #tutorial

4 min read

drewmullen

Jan 22

Writing Terraform Resources with Write-Only Parameters

#terraform #go #infrastructure #devops

5 min read

drewmullen

Jun 27 '25

Making Terraform Workspaces in the same project

#terraform #hcptf #tfc #tfe

1 min read

drewmullen

Feb 12 '25

Setting a multi-line variable as an ENV in Terraform Cloud

2 min read

drewmullen

Jan 21 '25

Deploy Cloudflare Tunnels with Terraform & Kubernetes

#cloudflare #tunnels #terraform #k8s

3 min read

drewmullen

Dec 2 '24

Terraform state with native s3 locking

#terraform #aws #s3lockfile

2 min read

drewmullen

Nov 16 '23

AWS Creds in the CLI via SSO

#aws #sso #credentials

2 min read

drewmullen

Jan 12 '23

Implement Rollback with Terraform

#terraform #rollback #cloudformation

1 min read

drewmullen

Mar 4 '22

Terraform: Variable validation with samples

#terraform #linting

2 min read

drewmullen

Feb 2 '22

Terraform: Common aws_ami Searches

#terraform #boilerplate #aws

1 min read

drewmullen

Dec 29 '21

Terraform Boilerplate: Provider block for every AWS region

2 min read

drewmullen

Dec 1 '21

Terraform: Compare lists of maps for equality

#terraform

1 min read

drewmullen

Nov 12 '21

VSCode + Terraform Provider Development: Setup Debugging

#terraform #aws #development #debugging

2 min read

drewmullen

Nov 11 '21

Terraform: Prevent default_tags on a specific resource

#terraform #aws

1 min read

drewmullen

Aug 17 '21

Terraform: take a slice of a list with an unknown depth

#terraform

1 min read

drewmullen

May 12 '21

Stop using SSH, use AWS Session Manager

#aws #sessionmanager #ssm #ssh

2 min read

drewmullen

Mar 10 '21

Mock a SQS queue with moto

#python #moto #boto3 #aws

2 min read

drewmullen

Feb 12 '21

Terraform: Delete an Item from a List

#terraform

1 min read

drewmullen

Feb 3 '21

Validate Cloudformation parameters with custom logic

#cloudformation #rules

2 min read

drewmullen

Jan 6 '21

Send Memory Utilization Metrics to CloudWatch

#aws #cloudwatch #metrics

2 min read

drewmullen

Apr 14 '20

A Python Data Types Chart for the Forgetful

#python #cheatsheet

1 min read

drewmullen

Jan 28 '20

Terraform: use for_each instead of count

#terraform #tf12

1 min read

drewmullen

Jan 6 '20

Mac: bluetooth reset via terminal

#mac #bluetooth #mxmaster

1 min read

drewmullen

Dec 13 '19

Terraform: use a variable's value to define another variable

#terraform #hacks

1 min read

drewmullen

Sep 27 '19

creating a sublist from a deep element in Ansible

#ansible #jmespath #lists

1 min read

drewmullen

Jul 10 '19

Terraform: turn a centos vm into a linux router

1 min read

drewmullen

Feb 7 '19

How to run simple tests against custom Ansible modules

#ansible #testing #vscode #python

2 min read

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Migrating a Terraform Module to Ephemeral Resources Without Breaking Existing Users

Want to connect with drewmullen?

Migrating a Terraform Module to Ephemeral Resources Without Breaking Existing Users

Writing Terraform Resources with Write-Only Parameters

Making Terraform Workspaces in the same project

Setting a multi-line variable as an ENV in Terraform Cloud

Deploy Cloudflare Tunnels with Terraform & Kubernetes

Terraform state with native s3 locking

AWS Creds in the CLI via SSO

Implement Rollback with Terraform

Terraform: Variable validation with samples

Terraform: Common aws_ami Searches

Terraform Boilerplate: Provider block for every AWS region

Terraform: Compare lists of maps for equality

VSCode + Terraform Provider Development: Setup Debugging

Terraform: Prevent default_tags on a specific resource

Terraform: take a slice of a list with an unknown depth

Stop using SSH, use AWS Session Manager

Mock a SQS queue with moto

Terraform: Delete an Item from a List

Validate Cloudformation parameters with custom logic

Send Memory Utilization Metrics to CloudWatch

A Python Data Types Chart for the Forgetful

Terraform: use for_each instead of count

Mac: bluetooth reset via terminal

Terraform: use a variable's value to define another variable

creating a sublist from a deep element in Ansible

Terraform: turn a centos vm into a linux router

How to run simple tests against custom Ansible modules