Terraform Workshop

Intro to Terraform workshop I gave for the Hacker Garage Community day 2017

Transcript

1. Terraform
   Workshop
   Orlando Del Aguila
   Hash U
   

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2. @orlando
   @eatcodetravel
   @eatcodetravel
   eatcodetravel.com
   

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3. www.hashlabs.com
   

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4. Overview
   

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5. Commands
   

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6. 1. Init
   2. Version
   3. Get
   4. Plan
   5. Apply
   

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7. Providers
   

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8. Terraform / Provider
   provider "heroku"{
   email = "orlando@orlandodelaguila.com"
   api_key = "my api key"
   }
   

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9. Resources
   

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10. Terraform / Resources
    resource "heroku_app" "example" {
    name = "my-super-heroku-app"
    region = "us"
    }
    

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11. Data Sources
    

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12. Terraform / Data sources
    data "aws_ami" "ubuntu" {
    most_recent = true
    filter {
    name = "name"
    values = ["ubuntu/images/hvm-ssd/ubuntu-trusty-*"]
    }
    }
    resource "aws_instance" "example" {
    ami = "${data.aws_ami.ubuntu.id}"
    instance_type = "t2.micro"
    }
    

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13. Variables
    

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14. Terraform / Variables
    variable “app_name" {
    default = “my-super-app-tf“
    }
    

    variable "heroku" {
    default = {
    email = “orlando@orlandodelaguila.com"
    api_key = “123123"
    }
    }
    variable "list" {
    default = [“first”,”second”]
    }
    

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15. Variable Interpolation
    

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16. Terraform / Variables
    data "aws_ami" "ubuntu" {
    most_recent = true
    filter {
    name = "name"
    values = ["ubuntu/images/hvm-ssd/ubuntu-trusty-*"]
    }
    }
    resource "aws_instance" "example" {
    ami = "${data.aws_ami.ubuntu.id}"
    instance_type = "t2.micro"
    }
    

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17. Interpolation functions
    

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18. Terraform / Functions
    resource "heroku_app" "example" {
    name = "${uuid()}"
    region = "us"
    }
    

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19. Output Variables
    

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20. Terraform / Functions
    output "git_url" "example" {
    value = "${heroku_app.example.git_url}"
    }
    

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21. Modules
    

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22. Terraform / Modules
    variable "app_name" {}
    module "app"{
    source = "./heroku_app"
    app_name = "${var.app_name}"
    region = "us"
    }
    

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23. State
    

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24. Terraform / Modules
    https://gist.github.com/orlando/
    2fe57ff440d88655732008d731e3be02
    

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25. Hands on
    

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26. 1. Install Terraform
    2. Clone repository
    3. Heroku account
    4. Heroku API key
    5. Terraform.tfvars
    

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