HashiTalks 2020

1. Build and Test GCP Infrastructure
Using Terraform Module
Pradeep Bhadani
Founder, Cloud Native Technologies
https://cntek.io
https://pbhadani.com
https://linkedin.com/in/pradeepbhadani

2. About Me
IT Consultant with 8+ years of experience.
Expertise
● Big Data
● Cloud (GCP & AWS)
● DevOps
Blog: pbhadani.com
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3. Agenda
● Terraform Introduction
● Terraform Modules
● Testing
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4. Terraform
Terraform allows to build, change and version our infrastructure in an easy and
efficient way.
terraform.io
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5. Terraform Lifecycle
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Init
terraform init
Plan
terraform plan
Apply
terraform apply
Destroy
terraform destroy

6. Infrastructure Architecture
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dev

7. Code
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8. Problem
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dev test prod

9. Problem
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dev1 dev2 dev3

10. Terraform Modules
● Collection of different Terraform resources
● Allows to describe infrastructure architecture/blueprints
○ Easy to understand infrastructure
● Re-usable - helps to avoid code duplication
● Collaborative development
● Helps to get started quickly
● Versioning
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11. Terraform Module: Code Structure
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https://github.com/CloudNativeTech/terraform-module-gcs

12. Code
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main.tf

13. Code
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main.tf

14. Code
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main.tf

15. Multiple Infrastructure Instances
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main.tf

16. Module Sources
● Local Path
● Github
● Bitbucket
● Terraform Registry
● HTTP URLs
● S3 Bucket
● GCS Bucket
Reference: https://www.terraform.io/docs/modules/sources.html
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17. Terraform Registry
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registry.terraform.io

18. Cloud Infrastructure
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Compute Network
Bucket GKE
Bigquery Datastore
Project IAMGoogle Cloud Platform
GCP Project GCP Project
Network BigQuery
Compute
App

19. ● Test Kitchen: https://github.com/test-kitchen/test-kitchen
● Kitchen-Terraform: https://newcontext-oss.github.io/kitchen-terraform/
● Inspec GCP: https://github.com/inspec/inspec-gcp
Testing
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20. Terraform Module: Test Structure
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21. Kitchen Lifecycle
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Create
kitchen create
Converge
kitchen converge
Verify
kitchen verify
Destroy
kitchen destroy

22. Source Code
github.com/CloudNativeTech/terraform-module-gcs
Photo by Chris Ried on Unsplash

23. pbhadani.com
linkedin.com/in/pradeepbhadani
github.com/pradeepbhadani
twitter.com/bhadanipradeep
stackoverflow.com/users/1158351
Image by TeroVesalainen from Pixabay

24. pbhadani.com
linkedin.com/in/pradeepbhadani
github.com/pradeepbhadani
twitter.com/bhadanipradeep
stackoverflow.com/users/1158351