tf-examples

Terraform Installation

1. Download Terraform from terroform.io

   For Mac,

   wget https://releases.hashicorp.com/terraform/0.11.5/terraform_0.11.5_darwin_amd64.zip -O /tmp/terraform.zip
   

   For Linux,

   wget https://releases.hashicorp.com/terraform/0.11.5/terraform_0.11.5_linux_amd64.zip -O /tmp/terraform.zip
   

2. Extract to a directory

   mkdir -p mkdir -p ${HOME}/terraform
   unzip /tmp/terraform.zip -d ${HOME}/terraform/
   

3. Set Classpath

   echo 'export PATH=${HOME}/terraform:${PATH}' >> ~/.bashrc
   source ~/.bashrc
   

Configure AWS

Make sure to configure AWS credentials so that terraform can create/manage AWS resources.

Create/Open ~/.aws/credentials file and make sure it has access key and secret access key

[env1]
region = us-west-2
output = json
aws_access_key_id = <YOUR AWS ACCESS KEY ID>
aws_secret_access_key = <YOUR AWS SECRET ACCESS KEY ID>

Run Terraform

1. Navigate to example directory (let's say ex1/)
2. Put one tfvars file under env directory for each environment. (Refer example.tfvars file)
3. Run terraform init to initialize terraform
4. Run terraform plan -var-file=env/env1.tfvars to see the plan (Let's say env1.tfvars is for env1 environment)
5. If happy with the plan, run terraform apply -var-file=env/env1.tfvars
6. If want to cleanup(or destroy all resources created by this example terraform code), run terraform destroy -var-file=env/env1.tfvars

List of Examples

This repo has collection of example

Example	Description
ex1	Simple example to create an EC2 instance
ex2	Use of Variables and Outputs
ex3	EMR Cluster and use of data sources
ex4	Remote Backend
ex5	Using Module