Refresh CMD

Question 1

What is the purpose of the refresh functionality in TerraForm?

Answer 1

The refresh functionality allows TerraForm to know about manual modifications made to the infrastructure, enabling it to revert to the original desired state.

Question 2

When does TerraForm automatically refresh the state?

Answer 2

TerraForm automatically refreshes the state when running the TerraForm Plan or TerraForm Apply commands.

Question 3

What happens when you run TerraForm Plan?

Answer 3

The first step is to refresh the infrastructure state and match it to the desired configuration.

Question 4

What can happen if you manually run the TerraForm refresh command?

Answer 4

Manually running the TerraForm refresh command can lead to a dangerous situation where the entire TF state file may be removed.

Question 5

What should you do if the TerraForm state file is empty after a manual refresh?

Answer 5

You can revert to the earlier version using the TF State backup that is available.

Question 6

Is the TerraForm Refresh command still recommended in newer versions?

Answer 6

The TerraForm Refresh command is deprecated in newer versions, and it’s recommended to use the refresh option with TerraForm Plan and Apply.

Question 7

What is a best practice regarding remote backends like S3?

Answer 7

Enabling versioning in remote backends like S3 allows you to revert to earlier versions of the state file if it gets messed up.

Question 8

What should you do with resources created for practicals?

Answer 8

Make sure to destroy all the resources that you create for your practicals.