Module inputs (variables) in Terraform - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to declare a variable named 'region' with a default value.

Terraform

variable "region" {
  type    = string
  default = "[1]"
}

Drag options to blanks, or click blank then click option'

Aus-west-2

B123

Ctrue

D[]

Attempts:

3 left

💡 Hint

Common Mistakes

Using a boolean or number instead of a string for the default value.

Leaving the default value empty.

The variable 'region' is declared as a string with a default value 'us-west-2'.

2fill in blank

medium

Complete the code to pass the variable 'region' to the module input.

Terraform

module "network" {
  source = "./modules/network"
  region = [1]
}

Drag options to blanks, or click blank then click option'

A"us-east-1"

Bmodule.region

Cregion

Dvar.region

Attempts:

3 left

💡 Hint

Common Mistakes

Passing the variable name without 'var.' prefix.

Passing a string literal instead of the variable.

To pass a variable to a module input, use the syntax var.variable_name.

3fill in blank

hard

Fix the error in the variable declaration by completing the type definition.

Terraform

variable "instance_count" {
  type = [1]
  default = 3
}

Drag options to blanks, or click blank then click option'

Anumber

Bbool

Clist

Dstring

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'string' type for a numeric default value.

Using 'bool' or 'list' which do not match the default.

The variable 'instance_count' holds a number, so its type should be 'number'.

4fill in blank

hard

Fill both blanks to declare a variable 'tags' as a map of strings with a default.

Terraform

variable "tags" {
  type    = map[1]string[2]
  default = {
    Environment = "dev"
  }
}

Drag options to blanks, or click blank then click option'

A(

B[

C)

D]

Attempts:

3 left

💡 Hint

Common Mistakes

Using square brackets instead of parentheses.

Omitting one of the brackets.

Maps in Terraform are declared with map(string) using parentheses.

5fill in blank

hard

Fill all three blanks to pass variables 'region', 'instance_count', and 'tags' to the module.

Terraform

module "app" {
  source         = "./modules/app"
  region         = [1]
  instance_count = [2]
  tags           = [3]
}

Drag options to blanks, or click blank then click option'

Avar.region

Bvar.instance_count

Cvar.tags

Dmodule.region

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'module.' prefix instead of 'var.'.

Passing variable names without 'var.' prefix.

Module inputs are assigned using variables with the 'var.' prefix.