Terraform Functions

• Terraform provides inbuilt functions around
  
• Example
  

Activity 3 continued

• Lets import a ssh key (public key)
• Assumption is you already have a key pair ~/.ssh/id_rsa and ~/.ssh/id_rsa.pub which is generated by executing ssh-keygen -t rsa
• Refer Here for the changes done
• Now lets create an ec2 instance with ubuntu 24.04
• The inputs required are
  • ami id
  • instance type
  • key pair
  • subnet
  • public ip
  • security group
• Refer Here for the changes

Datasource

• Datasource is used to search in the provider to fetch some values
• Syntax is

data "type" "id" {
    arg1 = value
    argn = value
}

• To use the attribute syntax is data.type.id.attribute