Terraform + Ansible Setup

Terraform official doc https://registry.terraform.io/providers/hashicorp/aws/latest/docs

Launch Amazon-Linux instance for Terraform & Ansible Installation (Master Instance)

1. Launch Amazon-Linux instance
2. install terraform --> https://developer.hashicorp.com/terraform/downloads
3. install ansible yum install ansible
4. install aws-cli and setup the credentials for IAM user

aws --version
aws configure 
aws configure list

Launching slave instance from terraform

1. copy the terraform-AL2-launch folder into the master instance

cd terraform-AL2-launch

2. execute below command to get neccessary dependancies for provider to run terraform script

terraform init

3. check terraform syntax

terraform plan

4. Create resources present in terraform script

terraform apply / terraform apply -auto-approve

5. Destroy created resources

terraform destroy

Copy slave pem file to master instance

we have manually created secret key to ssh into the slave instance. This needs to be copied to master instance so that master can access slave

1. Enable PasswordbasedAuthentication in master instance
2. command to copy the pem file from local to master instance

scp Server-Key-Pair.pem [email protected]:/root   

3. connect to master instance & move Server-Key-Pair.pem to .ssh folder

mv Server-Key-Pair.pem .ssh