Wrapper for aws-cli validate-template

gistfile1.txt

#!/usr/bin/env bash
# A simple wrapper for validating locally-stored CloudFormation templates
# Requires aws-cli <https://github.com/aws/aws-cli>
usage(){
  echo "$(basename $0) <cfn.json>"
}

if (( $# == 0 )); then
  usage
  exit 1
fi

# Store the first arg, then shift params in case we need to pass onto aws
file="$1"
shift

if [[ -f "$file" && -r "$file" ]]; then
  aws cloudformation validate-template --template-body "$(cat "$file")" "$@"
  exit $?
else
  echo "$file does not exist or is not readable"
  exit 1
fi