terraform-local.sh

#!/bin/bash

# Run the command and ignore the exit code
command || true

# Set AWS & remote backend variables
account="xyz"
account_id="123123123123"
bucket="bucket=${account}-tf-state"
backend="dynamodb_table=${account}-tf-state"
role="role_arn=arn:aws:iam::${account_id}:role/OrganizationAccountAccessRole"

# Set workspace
TF_WORKSPACE="dev"

# Set all variables in the current shell to be exported to child processes
set -a
# Source variables from .env file
source .env
# Unset the -a option
set +a

# Initialize and select the Terraform workspace
init_workspace() {
  # Initialize the backend and set input to false
  terraform init \
    -backend-config=$bucket \
    -backend-config=$backend \
    -backend-config=$role \
    -input=false \
    -reconfigure

  # If the workspace exists, select it. If not, create a new one.
  if terraform workspace list | grep -q "$TF_WORKSPACE"; then
    terraform workspace select "$TF_WORKSPACE"
  else
    terraform workspace new "$TF_WORKSPACE"
  fi
}

# Handling arguments passed to the script
case "$1" in
  plan)
    # Unlock the state file if it is locked
    # terraform force-unlock -force deccb198-47b5-0646-1c81-b62207dffd0b
    # Initialize and select the workspace
    init_workspace
    # Run the terraform plan command and output the result to a file called "plan"
    terraform plan -out=plan #-refresh=false
    ;;
  apply)
    # Initialize and select the workspace
    init_workspace
    # Run Terraform plan and apply
    terraform plan -out=plan -refresh=false
    terraform apply -auto-approve plan
    ;;
  destroy)
    # Initialize and select the workspace
    init_workspace
    # Run Terraform plan with the destroy flag and apply
    terraform plan -out=plan -destroy -refresh=false
    terraform apply -auto-approve plan
    ;;
  *)
    # Print an error message and exit with an exit code of 1 if an invalid argument is passed
    echo "Invalid argument. Use one of: plan, apply, destroy."
    exit 1
    ;;
esac