Introduction to Terraform

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Introduction to Terraform 2015/4/17 @ HDE MTS #11 TANABE Ken-ichi

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Terraform, it’s HashiCorp’s product

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Terraform, it’s HashiCorp’s product ● Vagrant (written in Ruby) Programmable Virtual Machine Frontend ● Packer (written in Go) Programmable Machine Image Builder ● Consul (Yes, Go!) Distributed KVS, Service Discovery, etc ● and Terraform (Yes, Go!) Programmable IaaS

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Documentation ● Good Docs but… ● Spend much time ● Click, Click, Click ● Not repeatable ● CloudFormation?

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CloudFormation ● JSON nightmare… ● Repeatable ● Not maintainable ● Not intuitive at ALL ● No dry-run

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Terraform comes to the rescue ● No JSON! ● Simple, easy-to-use DSL ● Built-in dry-run feature ● Not only for AWS but for GCP, Heroku, ... ● Calculate dependencies on behalf of us ● Everything is in version control ● No migration tool for now

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Seeing is believing 百聞は一見にしかず ● Live Demonstration ● VPC ● Subnet ● Security Group ● ELB ● EC2

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VPC

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Subnet

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Security Group

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Internet Gateway

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Route Association

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ELB

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Last: EC2

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omake (Appendix)

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Thank you for listening Any question? You can find this example at https://github.com/nabeken/mts-terraform-example/tree/7