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Question

Difficulty: EasyDeploying Infrastructure using Deployment Manager or Terraform

A cloud engineer has prepared a set of Terraform configuration files to provision Google Cloud infrastructure. Before applying any changes to the environment, the engineer wants to preview the execution plan and verify which resources will be created or modified. Which command should the cloud engineer run?

  1. terraform planAnswer
  2. B
    terraform apply --preview
  3. C
    terraform init --dry-run
  4. D
    gcloud deployment-manager deployments preview

Answer

The command 'terraform plan' should be run to preview resource changes before applying them.
Executing 'terraform plan' parses the local configuration files, compares them against the current Terraform state file and live GCP infrastructure, and outputs the detailed set of additions, modifications, or deletions that would occur upon deployment without altering any resources.

Step-by-Step Solution

1
Identify the goal of the cloud engineer
The engineer needs to inspect planned infrastructure changes prior to deployment.
Previewing state changes prevents unintended modification or destruction of cloud infrastructure.
2
Match the requirement with standard Terraform CLI commands
The command 'terraform plan' reads the current state and configuration to output a detailed execution delta.
'terraform plan' is the designated Terraform command for speculative execution planning.

Key Concept

Terraform Execution Plan Generation
Estimated Time:45s
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Topics

Deploying Infrastructure using Deployment Manager or Terraform