Managing Kubernetes with Terraform

Harshal ShahPune Kubernetes Meetup #12

Expect a bittersweet ending

What is Terraform?

Terraform is a tool for building, changing and versioning your infrastructure via

code.

Terraform v/s Puppet, Chef, Ansible

Terraform v/s CloudFormation, Heat etc.

Terraform Components

HCL

HashiCorp Configuration Language

HCL v/s JSON, YAML

HCL v/s Ruby

https://github.com/hashicorp/hcl

Terraform Components

Resources

Terraform Components

Providers

Terraform Components

State File

● Stores state information of

managed infrastructure

● Used to map resources with

configuration

● JSON

● Performance improvements for

large infrastructure operations

● Can be local or remote

Demo and Code Walkthrough

Painpoints

Kubernetes Beta resources not supported

Painpoints

Ordering between providers not supported yet

Painpoints

Some other gotchas:

https://heap.engineering/terraform-gotchas/

https://charity.wtf/tag/terraform/

Reasons to be Optimistic

Kubernetes provider is *very* new and

will mature over time.

Thank you!