Bash script to automatically remove attributes from terraform state file

terraform_remove_attrs.sh

set -e

if [ $# -eq 0 ]; then echo "No command specified\nAvailable commands:\n* remove [attribute_name]\n* commit\n"; exit; fi

if [ $1 = "remove" ]; then
  if [ $# -eq 1 ]; then
    echo "No attribute_name specified to remove\n"
    exit
  fi

  terraform state pull > state.json
  jq "(.resources[].instances[] |= del(.attributes.${2})) | (.serial |=  .+1)" state.json > state.new.json
  echo "Please review diff and run \"tf_remove_attrs.sh commit\" to continue\n"
  diff state.json state.new.json
fi

if [ $1 = "commit" ]; then
  echo "Commiting state.new.json to workspace\n"
  terraform state push state.new.json
  rm state.new.json
  rm state.json
fi

exit