Script to work with terraform and workspaces inside of a docker container

terraform.sh

#!/bin/bash                                  
# Usage: ./main.sh action [target] [params]  
# ./main.sh plan                             
# ./main.sh plan -destroy                    
# ./main.sh plan vpc                         
# ./main.sh plan vpc -destroy                

ACTION=$1                                    
EXTRA=$*                                     

if [ $ACTION == "plan" ] || [ $ACTION == "apply" ] || [ $ACTION == "destroy" ]; then       
  TERRAFORM_ENV=$(terraform workspace list|grep "\*"|awk '{print $2}')                     
  ENV_FILE=$TERRAFORM_ENV".tfvars"           
  if [ ! -f $ENV_FILE ]; then                
    echo "File $ENV_FILE not found!" >&2     
    exit                                     
  fi                                         

  TARGET=""                                  
  PARAMS=""                                  
  if [ ! -z $2 ]; then                       
    if [[ ! "$2" =~ "-" ]]; then             
      TARGET="-target=module."$2             
      PARAMS=${EXTRA#"$ACTION $2"}           
    else                                     
      PARAMS=${EXTRA#"$ACTION"}              
    fi                                       
  fi                                         

  CMD="docker run --rm -i \                  
    -v $PWD/:/app \                          
    -v $HOME/.aws/:/root/.aws/ \             
    code.yarkan.com/terraform:latest \       
    $ACTION -var-file=$ENV_FILE $TARGET $PARAMS"                                           

  #echo "Action: "$ACTION                    
  #echo "Env: "$TERRAFORM_ENV                
  #echo "tfvars: "$ENV_FILE                  
else                                         
  CMD="docker run --rm -i \                  
    -v $PWD/:/app \                          
    -v $HOME/.aws/:/root/.aws/ \             
    code.yarkan.com/terraform:latest \       
    $EXTRA"                                  
fi                                           

echo "Command: "$CMD                         
$CMD