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Terraform Provider Block

Step-01: Introduction

  • What are Terraform Providers?
  • What Providers Do?
  • Where do providers reside (Terraform Registry)?
  • How to use Providers?
  • What are Provider Badges?

Step-02: Terraform Providers

  • What are Terraform Providers?
  • What Providers Do?
  • Where do providers reside (Terraform Registry)?

Step-03: Provider Requirements

  • Define required providers in Terraform Block
  • Understand about three things about defining required_providers in terraform block
  • local names
  • source
  • version 
    # Terraform Block
terraform {
  required_version = "~> 0.14.4"
  required_providers {
    aws = { 
      source = "hashicorp/aws"
      version = "~> 3.0"
    }
  }
}

Step-04: Provider Block

  • Create a Provider Block for AWS 
    # Provider Block
provider "aws" {
  region = "us-east-1"
  profile = "default"  # defining it is optional for default profile
}
  • Discuss about Authentication Types
  • Static Credentials - NOT A RECOMMENDED Option
  • Environment variables
  • Shared credentials/configuration file ( We are going to use this)
  • Verify your cat $HOME/.aws/credentials
  • If not, use aws configure to configure the aws credentials
# Initialize Terraform
terraform init

# Validate Terraform Configuration files
terraform validate

# Execute Terraform Plan
terraform plan

Step-05: Add a Resource Block to create a AWS VPC

  • AWS VPC Resource 
    resource "aws_vpc" "myvpc" {
  cidr_block = "10.0.0.0/16"
  tags = {
    "Name" = "myvpc"
  }
}

Step-06: Execute Terraform commands to create AWS VPC

# Initialize Terraform
terraform init

# Validate Terraform Configuration files
terraform validate

# Execute Terraform Plan
terraform plan

# Create Resources using Terraform Apply
terraform apply -auto-approve

Step-07: Clean-Up

# Destroy Terraform Resources
terraform destroy -auto-approve

# Delete Terraform Files
rm -rf .terraform*
rm -rf terraform.tfstate*

References

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