Get cfn error status.

check_stack_error.sh

#!/bin/sh

function usage() {
  echo "./check_stack_error [stackname]"
}

function dump_error() {
  stacks=$1
  for stackname in $stacks
  do
    echo "======================================="
    echo "[$stackname]"
    aws cloudformation describe-stack-events --stack-name $stackname | jq -r '.StackEvents[] | select(.ResourceStatus | contains("FAILED")) | "[" + .Timestamp + "] " + .ResourceStatus + " : " + .LogicalResourceId + " : " + .ResourceStatusReason'
  done
  echo "======================================="
}

if [ $# -eq 1 -a "$1" = "-h" ]; then
    usage
    exit 0
fi

stacks=$(aws cloudformation describe-stacks | jq -r '.Stacks[].StackName')
if [ $# -gt 0 ]; then
  stacks=$@
fi

dump_error "$stacks"