Preparation

Github repository

AWS Setup

  • There is a lecture on how to setup AWS
  • Make sure you have installed the AWS CLI
    • You can download it manually from https://aws.amazon.com/cli/
    • If you're on linux you can also use sudo pip install --upgrade awscli
      • If you don't have pip, try sudo apt-get install python-pip on ubuntu oryum install python-pip on RHEL or CentOS
  • There is a lecture on how to add an admin user, this need to be done to create an access key and secret key
  • Use "aws configure" to enter the keys
    • you can optionally specify a default region - but no worries, in terraform you can set any region you want
    • Use http://www.cloudping.info/ to determine your region
  • You can test whether it works by entering: aws iam get-user
    • This will also show your AWS userid which you need afterwards

Useful Commands

$ terraform plan # plan

$ terraform apply # shortcut for plan & apply - avoid this in production

$ terraform plan -out out.terraform # terraform plan and write the plan to out file

$ terraform apply out.terraform # apply terraform plan using out file

$ terraform show # show current state

$ cat terraform.tfstate # show state in JSON format

Using putty instead of the ssh command

The course is explained using MacOS/Linux. If you rather want to use putty, use the following steps to create your SSH keypair:

  1. Download Putty and PuttyGen from http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html
  2. Launch PuttyGen and click the "Generate" button to generate a new public/private key
  3. You can enter a passphrase or leave it blank
  4. Save the public and private keys by clicking the Save public key and Save private key buttons

Reference Documentation

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