Variable declaration syntax in Terraform - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to declare a variable with a default value.

Terraform

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

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

A"us-west-2"

Bregion

Cus-west-2

Dstring

Attempts:

3 left

💡 Hint

Common Mistakes

Forgetting to use quotes around string values.

Using a bare word without quotes for the default.

The default value for a Terraform variable must be a string literal enclosed in quotes.

2fill in blank

medium

Complete the code to declare a variable with a list type.

Terraform

variable "availability_zones" {
  type = [1]
}

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

Abool

Blist(string)

Cmap(string)

Dstring

Attempts:

3 left

💡 Hint

Common Mistakes

Using just 'string' instead of 'list(string)'.

Confusing map and list types.

To declare a variable as a list of strings in Terraform, use list(string) as the type.

3fill in blank

hard

Fix the error in the variable declaration for a boolean variable.

Terraform

variable "enable_logging" {
  type    = bool
  default = [1]
}

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

A"true"

BFalse

C"false"

Dtrue

Attempts:

3 left

💡 Hint

Common Mistakes

Putting quotes around boolean values.

Using capitalized boolean values like False.

Boolean default values in Terraform must be unquoted true or false, not strings.

4fill in blank

hard

Fill both blanks to declare a variable with a map of strings type and a default value.

Terraform

variable "tags" {
  type    = [1]
  default = [2]
}

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

Amap(string)

B{"Environment" = "dev", "Owner" = "team"}

C["dev", "team"]

Dlist(string)

Attempts:

3 left

💡 Hint

Common Mistakes

Using list type instead of map.

Using list syntax for default instead of map syntax.

The type for a map of strings is map(string). The default value must be a map with key-value pairs.

5fill in blank

hard

Fill all three blanks to declare a variable with a description, type, and default value.

Terraform

variable "instance_count" {
  description = [1]
  type        = [2]
  default     = [3]
}

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

A"Number of instances to create"

Bnumber

C3

D"3"

Attempts:

3 left

💡 Hint

Common Mistakes

Using quotes around the default number value.

Using string type instead of number.

The description is a string in quotes. The type for numbers is number. The default value is a number without quotes.