Terraform Hands-on Workshop
by Rob Richardson
Demo
Terraform
With Click-Ops, it's easy to miss a step and have subtly different environments
causing very hard-to-find bugs
Add Automation
write shell scripts that call cloud APIs in sequence
Add Automation
script then Click-Ops the last mile
Add Automation
script then Click-Ops the last mile
Deployment Evolution
flowchart TD
A[Click-Ops] --> B[Script];
B --> C[Script and Click-Ops];
C --> D[Infrastructure as Code];
Cattle not Pets
You name pets,
you feed pets,
you dress them up
in little dresses
Cattle not Pets
There's a whole herd
of cattle, and we tend
to the entire herd at once
Cattle not Pets
Cattle not Pets
Goal: don't have magic servers
Infrastructure-as-Code Tools
| Tool | Pros & Cons |
|---|---|
| Puppet | The original |
| Chef | Ruby syntax templates |
| Ansible | Automate remoting in parallel |
| Terraform | Industry standard |
| Pulumi | Use programming languages |
Terraform
The industry-standard
Infrastructure-as-Code tool
Demo
Terraform on AWS
Terraform Provider
- Connects to the cloud's API
- Defines the resources we can create
Terraform State File
Terraform State File
DO NOT EDIT IT!
Demo
Code a Terraform Solution