Table of Contents

terraform command cheatsheet

run any terraform command with a specific .aws profile name

in your awscli config

[prod]
aws_access_key_id = abcde1234
aws_secret_access_key = abcde1234
[stage]
aws_access_key_id = abcde1234
aws_secret_access_key = abcde1234

in your bash profile

SOME_VARIABLE='something'
SOME_OTHER_VARIABLE='something-else'
 
declare -A SOME_TOKEN
 
 
SOME_TOKEN=(
  [dev]='my-development-token'
  [stage]='my-staging-token'
  [prod]='my-production-token'
)
 
function terra-projectname {
 
    ENV="$1"
    ACTION="$2"
    shift 2  # Shift arguments to access additional parameters
 
    # Check if ENV and ACTION are provided
    if [ -z "$ENV" ] || [ -z "$ACTION" ]; then
        echo "Usage: $0 <env> <action> [additional terraform arguments]"
        echo "Example: $0 dev plan -out=tfplan"
        return 1
    fi
 
    # Allowed environments
    VALID_ENVS=("global" "dev" "stage" "prod")
 
    # Validate ENV
    if [[ ! " ${VALID_ENVS[@]} " =~ " ${ENV} " ]]; then
        echo "Error: ENV must be one of 'global', 'dev', 'stage', or 'prod'."
        return 1
    fi
 
    # Allowed Terraform actions
    VALID_ACTIONS=(
      "apply"
      "plan"
      "destroy"
      "init"
      "refresh"
      "validate"
      "fmt"
      "state"
      "import"
      "taint"
      "untaint"
      "graph"
      "output"
      "providers"
      "show"
      "workspace"
      "login"
      "logout"
      "version"
      "force-unlock"
      "debug"
    )
 
    # Validate ACTION
    if [[ ! " ${VALID_ACTIONS[@]} " =~ " ${ACTION} " ]]; then
        echo "Error: ACTION must be a valid Terraform command."
        return 1
    fi
 
    # Set common environment variables
    export ENV="$ENV"
    export TF_VAR_ENV="$ENV"
    export AWS_PROFILE="default"
    export TF_VAR_SOME_VARIABLE="${SOME_VARIABLE}"
    export TF_VAR_SOME_OTHER_VARIABLE="${SOME_OTHER_VARIABLE}"
    export SOME_TOKEN="${SOME_TOKEN[$ENV]}"
 
 
    # Alias terraform command
    local terraform_command=(/usr/bin/terraform "$ACTION")
 
    # If 'init', include backend configurations
    if [ "$ACTION" = "init" ]; then
        # Append backend-config parameters to the array
        terraform_command+=("-backend-config=bucket=projectName")
        terraform_command+=("-backend-config=dynamodb_table=projectName-${ENV}-state")
        terraform_command+=("-backend-config=region=${MY_REGION}")
        terraform_command+=("-backend-config=key=terraform-project/projectName-${ENV}.tfstate")
        terraform_command+=("-backend-config=encrypt=true")
    fi
 
    # Append any additional arguments passed to the script
    terraform_command+=("$@")
 
    # Echo the command for debugging
    printf "Executing:"
    for arg in "${terraform_command[@]}"; do
        printf " '%s'" "$arg"
    done
    printf "\n"
 
    # Execute the Terraform command
    "${terraform_command[@]}"
}

on the cli from inside your terraform folder

$ terra-projectname dev init
$ terra-projectname dev plan
etc..