Question 3: Define Terraform init?
Answer: Terraform initialises the code with the command terraform init. This command is used to set up the working directory for Terraform configuration files. It is safe to run this command multiple times.
You can use the init command for:
Question 45: What are some of the built-in provisioners available in Terraform?
Answer: Some of the built-in provisioners available in Terraform are:
Question 40: Is history the same as it is on the web while using TFS API to provide resources ?
Answer: Yes, the narration is similar to that found on the web because UI uses API as its foundation. Everything on the UI is available via other methods and the API.
2 List all of Terraform’s version control options.
The following version controls are supported:
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What is the purpose of Terraform in DevOps?
The HashiCorp Configuration Language, which is comparable to JSON, is used by Terraform (HCL). HCL provides a concise vocabulary that makes establishing and enforcing infrastructure settings across multiple clouds and on-premises data centres simple for DevOps teams.
Question 57: What happens when multiple engineers start deploying infrastructure using the same state file?
Answer: Terraform has a critical feature known as “state locking.” This feature ensures that no changes to the state file are made during a run, preventing the state file from becoming corrupt. It is important to note that the state locking feature is not supported by all Terraform Backends. If this feature is required, you should select the appropriate backend.
Intermediate Terraform Interview Questions
Common commands:
Question 53: How will you upgrade plugins on Terraform?
Answer: Terraform providers are distributed separately from the Terraform binary since Terraform v0.10. This allows them to update at different rates while also allowing a larger group of people to collaborate on the providers. This is mostly positive, but it adds a new step for upgrading providers.
Question 6: How does Terraform work?
Answer: Terraform creates an implementation plan, defines what it will do to achieve the desired state, and then executes it to build the infrastructure described. Terraform is capable of determining what changed and generating incremental execution plans that are practical as the configuration changes.
#1 How can you define dependencies in Terraform?
Terraform has built-in dependency management. Terraform has two kinds of dependencies between resources- implicit and explicit dependencies.
Implicit dependencies, as the name suggests, are detected by Terraform automatically. This is when the output of a “resource A” is used in “resource B”. Terraform automatically detects that “resource B” needs to be created only after “resource A”
Explicit dependencies can be specified in cases where two resources are internally dependent on each other without sharing any outputs. This can be done by using the depends_on parameter in the configuration block.