terraform backend

1. What is terraform backend?
2. How do you use terraform backend?
3. What is terraform backend S3?
4. How do you initialize terraform backend?
5. Is terraform push or pull?
6. How do you destroy in terraform?
7. Can I use variables in terraform backend?
8. What is Tfstate file in terraform?
9. What happens when terraform Tfstate is removed?
10. What is local terraform?
11. How does terraform plan work?
12. Where is terraform configuration?

What is terraform backend?

Each Terraform configuration can specify a backend, which defines where and how operations are performed, where state snapshots are stored, etc. ... Backend Configuration documents the form of a backend block, which selects and configures a backend for a Terraform configuration.

How do you use terraform backend?

Run terraform init and terraform apply to deploy this code: $ terraform initInitializing the backend...Successfully configured the backend "s3"! Terraform will automatically use this backend unless the backend configuration changes. Initializing provider plugins...

What is terraform backend S3?

An S3 bucket that will contain the Terraform state files for each workspace. A DynamoDB table that will be used for locking to prevent concurrent operations on a single workspace.

How do you initialize terraform backend?

Command: init

1. » Usage.
2. » General Options.
3. » Copy a Source Module.
4. » Backend Initialization.
5. » Child Module Installation.
6. » Plugin Installation.
7. » Running terraform init in automation.
8. » Passing a Different Configuration Directory.

Is terraform push or pull?

The terraform state push command is used to manually upload a local state file to remote state.

How do you destroy in terraform?

Define the required resources in the configuration, and run terraform apply . Edit the attributes of the resources in the configuration, and run terraform apply . At the "Do you really want to destroy" prompt, enter yes. Terraform displays the status of the operation, as shown in the following example.

Can I use variables in terraform backend?

The only thing we have to remember now is to pass the variables on each terraform init and terraform apply when running manifests that touch backend infrastructure, making the commands look something like this: terraform init -backend-config=backend. tfvars. terraform apply -var-file=backend.

What is Tfstate file in terraform?

Terraform must store state about your managed infrastructure and configuration. ... This state is stored by default in a local file named "terraform. tfstate", but it can also be stored remotely, which works better in a team environment.

What happens when terraform Tfstate is removed?

Items removed from the Terraform state are not physically destroyed. ... For example, if you remove an AWS instance from the state, the AWS instance will continue running, but terraform plan will no longer see that instance. There are various use cases for removing items from a Terraform state file.

What is local terraform?

Terraform locals are named values that you can refer to in your configuration. You can use local values to simplify your Terraform configuration and avoid repetition. Local values (locals) can also help you write more readable configuration by using meaningful names rather than hard-coding values.

How does terraform plan work?

Terraform generates an execution plan describing what it will do to reach the desired state, and then executes it to build the described infrastructure. As the configuration changes, Terraform is able to determine what changed and create incremental execution plans which can be applied.

Where is terraform configuration?

The configuration is placed in a single file whose location depends on the host operating system: On Windows, the file must be named terraform. rc and placed in the relevant user's %APPDATA% directory.