Top 50 Terraform Interview Questions and Answers

Use encrypted variables, limit access to credentials, and utilize secure storage solutions.

• Encrypt sensitive variables using tools like Vault or AWS KMS

• Limit access to credentials by using least privilege principles

• Store credentials securely in a pas...read more

Terraform code for creating an AWS EC2 instance

• Define provider and resource block in main.tf file

• Specify the AMI, instance type, key pair, and security group in the resource block

• Run 'terraform init', 'terraform plan', and 'terraform apply' commands ...read more

To deploy multiple environment scripts using Terraform, you can use Terraform workspaces and variables.

• Use Terraform workspaces to manage multiple environments such as dev, staging, and production.

• Create separate Terraform configuration files for eac...read more

Terraform modules are reusable components that allow you to encapsulate and organize your infrastructure code.

• Modules help in creating reusable infrastructure components

• They allow for better organization and encapsulation of code

• Modules can be shared...read more

provider.tf code for Softwaretest Engineer interview

• Use Terraform to define the provider configuration in provider.tf

• Specify the provider type and version in the code

• Example: provider.tf - provider "aws" { region = "us-west-2" }

I have faced errors such as resource conflicts, syntax errors, and provider version mismatches while applying Terraform code.

• Resource conflicts occur when multiple resources are trying to create the same resource at the same time.

• Syntax errors can oc...read more

Terraform checks resources using the 'terraform plan' command to preview changes and 'terraform state' for current resource status.

• Use 'terraform plan' to see what changes will be made before applying them.

• Run 'terraform apply' to implement the chang...read more

Yes, I am aware of both script and Terraform.

• I have experience writing scripts in languages like Python, Bash, and PowerShell.

• I have used Terraform to automate infrastructure provisioning and management.

• I am familiar with creating and managing infras...read more

Terraform state in file system can be managed using remote backends or local state files.

• Use remote backends like S3, Azure Blob Storage, or Google Cloud Storage for better collaboration and security.

• If using local state files, store them in a versio...read more

Namespaces in Terraform are used to group resources together and prevent naming conflicts.

• Namespaces allow you to organize resources within a Terraform configuration

• They help prevent naming conflicts by prefixing resource names with a specified names...read more

Lookup function in Terraform retrieves the value of a named attribute from a named data source.

• Lookup function is used to retrieve the value of a named attribute from a named data source.

• It is commonly used to retrieve values from remote systems or d...read more

Tf state files are files generated by Terraform to store the state of your infrastructure.

• Tf state files store information about the resources managed by Terraform

• They help Terraform track the current state of your infrastructure

• Tf state files should...read more

NullResource in Terraform is a resource that performs no actions when applied, but can be used to trigger provisioners or other side effects.

• NullResource is a resource type in Terraform that allows you to run provisioners without creating any infrast...read more

Terraform Metaarguments are used to modify the behavior of resources in different scenarios.

• Metaarguments can be used to control how Terraform handles resources, such as count, depends_on, lifecycle, provider, etc.

• They can be used to define dependenc...read more

Creating composite Terraform modules and passing values to other modules.

• Create a main module that calls other modules

• Define input variables in the main module and pass them to the child modules

• Use output variables in the child modules to return valu...read more

Terraform is an infrastructure as code tool, while Python is a versatile programming language often used for automation in DevOps.

• Terraform is used for provisioning and managing infrastructure resources in a declarative way.

• Python is commonly used fo...read more

DevOps implementation process for Terraform deployments involves version control, infrastructure as code, automation, and collaboration.

• Utilize version control systems like Git to manage Terraform code

• Implement infrastructure as code principles to de...read more

Terraform workspaces allow multiple environments to be managed with a single configuration.

• Terraform workspaces are used to manage multiple environments such as development, staging, and production.

• Each workspace has its own state file, allowing for ...read more

Terraform state files store the current state of infrastructure managed by Terraform.

• State files are JSON files that contain information about the resources being managed by Terraform.

• They are stored locally by default, but can also be stored remotel...read more

Terraform templates can be used to create AKS clusters.

• Use the azurerm_kubernetes_cluster resource in Terraform to create an AKS cluster.

• Specify the required parameters such as resource group, location, node count, and node size.

• Use the azurerm_kuber...read more

Container creation in terraform involves defining a container resource in a terraform configuration file.

• Define a container resource in the terraform configuration file using the 'docker_container' or 'container' provider.

• Specify the image, name, por...read more

Experience with Terraform for creating EKS clusters

• Utilize Terraform modules to define EKS cluster resources

• Leverage Terraform provider for AWS to interact with EKS API

• Use Terraform state management for tracking cluster changes

Terraform is a tool for building, changing, and versioning infrastructure safely and efficiently.

• Terraform uses configuration files to define the infrastructure resources needed.

• It allows for the creation, modification, and deletion of resources in a...read more

Modules in Terraform are reusable configurations that can be used to create multiple instances of resources.

• Modules help in organizing and reusing Terraform configurations.

• They allow for creating reusable components that can be shared across differen...read more

Writing a terraform script for infrastructure provisioning

• Define provider and required variables

• Create resources like instances, networks, and storage

• Use modules for reusable code

• Implement variables and outputs for flexibility

• Leverage terraform state...read more

Terraform modules are reusable components that define a set of resources in a Terraform configuration.

• Modules help organize and reuse Terraform code

• They encapsulate a set of resources and can be shared across projects

• Modules can have input variables ...read more

Terraform is used for infrastructure provisioning and management, while Ansible is used for configuration management and automation.

• Terraform is used for defining and managing infrastructure as code, focusing on provisioning resources like virtual ma...read more