VietOpenInfra's Meetup #26

1. Terraform &
Infrastructure as Code

2. @namcxn
whoami
Cao Xuan Nam at localhost
● Twitter: @namcxn
● Github: @namcxn
● Telegram: @namcxn

3. @namcxn
What we’ll talk about today?
● Overview
● Structure, Workflow and GitOps
● Pros and cons real live
● Q&A

4. @namcxn
Overview
A provisioning declarative tool that based on Infrastructure as a Code paradigm
Requirement:
● Knowledge HCL (Hashicorp Configuration Language)
Tools:
● Terraform: https://www.terraform.io/
● Terragrunt: https://github.com/gruntwork-io/terragrunt/
● Atlantis: https://www.runatlantis.io/

5. @namcxn
Overview
Terraform newbie with command at
localhost:
● terraform plan
● terraform apply
● terraform destroy

6. @namcxn
Overview
Workflow with CICD Terraform + Jenkins (whatever CI tools)
● https://gist.github.com/namcxn/81b67fe14afc410b816a1f7852a036cd

7. @namcxn
Structure, Workflow and GitOps
Workflow with Atlantis + Gitlab (Github, Bitbucket) + Terraform and Terragrunt
Structure terraform:
● module write HCL (main.tf, vars.tf, output.tf)
○ eks
○ consul (instances.tf, security.tf)
○ aurora
● terragrunt.hcl + values.yml ->
https://gist.github.com/namcxn/e1185bc881f4ef74d0b0bbb6d9f8ace0
Ref: Must read “Terraform up & running -> Ch.4 and Ch.8”

8. @namcxn
Structure, Workflow and GitOps

9. @namcxn
Structure, Workflow and GitOps

10. @namcxn
Pros:
● Multiple team
● Doesn’t break you workflow
● Avoid mistakes
● Compliance
Pros and cons real live
Cons:
● Slow

11. @namcxn
Q&A
Happy Terraforming! Thank you!