AWS Classroom Series – 14/Jul/2021

CloudFormation contd..

  • Lets try to create the following architecture from cloudformation Preview
  • Phase 1:
    • vpc with six subnets
    • internet gateway and attaching internet gateway
    • Clone the repo Refer Here
    • Steps:
      • Created a template with vpc Refer Here
      • For template deployment lets ensure AWS CLI is installed and IAM User is configured
      • Installing AWS CLI Refer Here
      • Configure IAM user Refer Here
      • Create a cloudformation stack from aws cli Refer Here
      • The command will be like execute this command and make a note of stack id
      aws cloudformation create-stack --stack-name ntier-dev --template-body file://ntier.json
      • Now lets try to add one subnet Refer Here
      • Refer Here for the changeset
      • Now execute the command from cli aws cloudformation update-stack --stack-name ntier-dev --template-body file://ntier.json
      • Add other 5 subnets Refer Here for the changes
      • Now update the stack aws cloudformation update-stack --stack-name ntier-dev --template-body file://ntier.json Preview
  • To summarize:
    • Cloudformation stacks can be created from cli
      • create-stack
      • update-stack
      • delete-stack

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