tf_ci_tflint_modules_list.sh

# Get the list of ALL modules in the form: "./rds/common",  "./rds/instance" etc.
MODULES="$(cd $TF_DIR/$MODULE_DIR; find . -type f -name '*.tf' -exec dirname {} \;)"
SORTED="$(echo $MODULES | sed -e $'s/ /\\\n/g' | sort | uniq)"

# Get the list of used modules from the INPUT_MODULE_LIST variable (i.e. "ecr,rds,eks", "s3")
IFS=',' read -ra INPUT_MODULE_LIST <<<"$INPUT_MODULE_LIST"

#If the modules used (INPUT_MODULE_LIST variable) are in the list of all modules (SORTED variable),
# then we call the "check_modules()" function and use the "tflint" command for the module being checked
if [ -n "${INPUT_MODULE_LIST}" ]; then
  for INPUT_MODULE in "${INPUT_MODULE_LIST[@]}"; do
    for MODULE in $SORTED; do
      if [[ "$MODULE" == *"$INPUT_MODULE"* ]]; then
        check_modules $MODULE
      fi
    done
  done
else
  for MODULE in $SORTED
    do
      check_modules $MODULE
    done
fi