DevOps Classroomnotes 12/Oct/2022

Windows System Setup

• Ensure your os is greater or Window 10
• Softwares:
• Chocolatey Refer Here
• Git for windows: Refer Here
• Terminal: Windows Terminal : From microsoft store on windows 10
• IDE: Visual Studio Code choco install vscode -y
• Terraform: choco install terraform -y

Mac System Setup

• Ensure you install homebrew Refer Here
• Git: brew install git -y
• Visual Studio Code brew install --cask visual-studio-code -y
• Terraform brew install terraform -y

Terraform Setup and configuration

• Create a new folder hello_tf and open visual studio code.
• In the visual studio code install extension terraform
  

Activity 1: Creating a S3 bucket on AWS Cloud

• Manual Steps:
  • Login into AWS Account (Free tier account)
  • Navigate to s3
    
  • Create bucket
    
    
    
    
• To Do similar stuff on terraform, we need to understand some terms
• Provider: Provider tells terraform where do you want to create the infra, Generally there will be authentication details as well.
• Resource : The infra component which we want to create, while creating resouce we need to pass some arguments
• To write the template
  • Provider for AWS Refer Here
  • Resource for S3 bucket
    
• What we found:
  • provider => aws
  • resource => aws_s3_bucket
• Syntax for provider

provider "<name of provider>" {
    argument_1 = "value_1"
    ...
    argument_n = "value_n"
}

• Argument in Terraform is the input given by the user
• All the arguments for AWS Provider Refer Here
• Still we need to configure authentication, ignoring that the template is as shown below

provider "aws" {
    region = "ap-south-1"
}

• Lets look at arguments of s3 bucket resource Refer Here
• To Create a resource

resource "<type-of-resource>" "<name for reference in tf tempalte>" {
    argument_1 = "value_1"
    ...
    argument_n = "value_n"

}

• Lets add the s3 resource to the template

provider "aws" {
    region = "ap-south-1"
}

resource "aws_s3_bucket" "first_bucket"  {
    bucket = "qttfoct12"
}

• Next Steps:
  • Configuring authentication for terraform to use your AWS Account