Terraform Installation And Setup In AWS EC2 Redhat Instnace.

Prerequisite

• AWS Acccount.
• Create Redhat EC2 Instnace.
• Create IAM Role With Required Polocies.
  • VPCFullAccess
  • EC2FullAcces
  • S3FullAccess ..etc
• Attach IAM Role to EC2 Instance.

Install Terraform

$ sudo yum install wget unzip -y
$ wget https://releases.hashicorp.com/terraform/0.12.26/terraform_0.12.26_linux_amd64.zip
$ sudo unzip terraform_0.12.26_linux_amd64.zip -d /usr/local/bin/
# Export terraform binary path temporally
$ export PATH=$PATH:/usr/local/bin
# Add path permanently for current user.By Exporting path in .bashrc file at end of file.
$ vi .bashrc
   export PATH="$PATH:/usr/local/bin"
# Source .bashrc to reflect for current session
$ source ~/.bashrc   

Clone terraform scripts

$ git clone https://github.com/MithunTechnologiesDevOps/Terraform_Scripts.git
$ cd Terraform_Scripts

Update Your Key Name in variables.tf file before executing terraform script.

Infrastructure As A Code

Create Infrastructure(VPC,Subnets,Route Tables,EC2 Instnaces ..etc) As A Code Using Terraform Scripts

# Initialise to install plugins
$ terraform init VPC/
# Validate teffaform scripts
$ terraform validate VPC/
# Plan terraform scripts which will list resources which is going  be created.
$ terraform plan VPC/
# Apply to create resources
$ terraform apply --auto-approve VPC/

Destroy Infrastructure

$ terraform destroy --auto-approve VPC/