Why patterns solve common problems in Terraform - Test Your Understanding

Practice - 5 Tasks

1fill in blank

easy

Complete the code to define a resource block in Terraform.

Terraform

resource "aws_instance" "example" {
  ami           = "ami-12345678"
  instance_type = "[1]"
}

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

At3.micro

Bm4.large

Ct2.micro

Dc5.xlarge

Attempts:

3 left

💡 Hint

Common Mistakes

Choosing an instance type that does not exist or is too large for simple examples.

The instance_type must be a valid AWS instance type. "t3.micro" is a common, low-cost option.

2fill in blank

medium

Complete the code to specify the provider in Terraform configuration.

Terraform

provider "aws" {
  region = "[1]"
}

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Aap-southeast-2

Bus-west-1

Ceu-central-1

Dus-east-1

Attempts:

3 left

💡 Hint

Common Mistakes

Selecting a region that is less common or not supported in the example.

The region "us-east-1" is a common default AWS region used in examples and deployments.

3fill in blank

hard

Fix the error in the Terraform variable declaration.

Terraform

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

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A"string"

B"number"

Cnumber

Dint

Attempts:

3 left

💡 Hint

Common Mistakes

Using quoted types like "number" or language-specific types like int instead of Terraform type keywords.

In Terraform, the type is specified without quotes using the keyword number.

4fill in blank

hard

Fill both blanks to create a map variable with default values.

Terraform

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

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Amap(string)

Blist(string)

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

D["dev", "team"]

Attempts:

3 left

💡 Hint

Common Mistakes

Using list type instead of map, or using list syntax for default values.

The type must be a map of strings, and the default value must be a map with key-value pairs.

5fill in blank

hard

Fill all three blanks to output the instance ID from a resource.

Terraform

output "instance_id" {
  value = [1].[2].[3]
}

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Aaws_instance

Bexample

Cid

Dinstance

Attempts:

3 left

💡 Hint

Common Mistakes

Using incorrect resource names or attributes that do not exist.

The output value references the resource type, resource name, and the attribute 'id' to get the instance ID.