terraform-create-ec2-instance

This is a sample project for create ec2 instance using terraform

1. Intsall Terraform CLI & Intsall AWS CLI

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2. Craete AWS security credentials profile that containes the aws_access_key_id&aws_secret_access_key into default location ex: $HOME\.aws\credentials and that containes the region into default location ex: $HOME\.aws\config then do the following:

$ aws configure
AWS Access Key ID [None]: xxxxxxxxxxxxxxxxxxxxxxxx
AWS Secret Access Key [None]: xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Default region name [None]: xxxxxxx
Default output format [None]: json

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3. Create providers.tf file Which contains the information of specific providers like azure, aws , google, etc...

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4. Make sure you are in the directory that contains the providers.tf file to import terraform library bassed on specific provider then do the following:

terraform init

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4. Create main.tf file That contains the specifications resources that you will build ex: EC2 instance specs

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5. Create security.tf file That containes the security group attached to the ec2 instence Also the keypair that will be used to connect on the ec2 instence & allow inbound outbound connection

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6. Create variables.tf file That containes all the variables with the data that you should expose to public, Make sure you generate SSH key if you don't have one and add variable name only into the variables.tf file then do the following:

ssh-keygen 

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OR use

6. file Functions then do the following:

resource "aws_key_pair" "ubuntu-key" {
  key_name = "ubuntu-key"
  public_key = file("$HOME\\.ssh\\id_rsa.pub")

}

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OR use

6. Create terraform.tfvars file That contains the variables that you will not share it on the version control Add your public ssh key to the terraform.tfvars Remember to add it to .gitignore file

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7. Check what will be created if you apply That command is to check and show if there is an error before applying it

terraform plan

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8. Apply the infrastruction That command is start building the infrastructure on the cloud

terraform apply # It will first show your the plan then you have to type yes to build
# OR 
terraform apply -auto-approve # To plan and apply changes without confirming

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9. Connect to the created EC2 instence with private key

chmod 400 "$HOME\\.ssh\\id_rsa"
ssh -i "$HOME\\.ssh\\id_rsa" <user@ec2...>

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10. Destroy created resources That command is Destroy builded the infrastructure on the cloud

# This command will show you first what it will destroy then ask you to type yes to confirm
terraform destroy
# OR
terraform destroy -auto-approve # To immediately destroy all the created resources without confirming