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AWS EC2 Instance

Description

EC2 Instance is created using a custom ami created through packer. It contains necessary applications for hosting apps.

modules

aws-ec2 module is the called child module

setup-server

main.tf is the root module for calling child module

Requirement

  • aws account
  • terraform
  • working knowledge of ansible

Usage

you can pass the geographical location of where you want to spin-up the instance, and name of the ansible playbook to terraform in setup-server/terraform.tfvars

region   = "ca-central-1" 
playbook = "ansible-wordpress-playbook"

Setup

in module/aws-ec2/setup.yml, an ansible playbook is referenced and also to be executed by cloud init as EC2 userdata.

  • go to setup-server/:
    • run terraform init cmd
    • run terraform plan cmd
    • run terraform apply cmd

cloud init would fail because there is no ansible playbook to run, but it won't prevent terraform from spinning-up EC2 instance. SSH to the instance,place an ansible playbook at /etc/ansible/role, and then run ansible-playbook etc/ansible/bootstrap.yml cmd on the terminal to call the bootstrap file that will run the ansible playbook.