---
AWSTemplateFormatVersion: '2010-09-09'
Parameters:
  DatabaseEngine:
    Type: String
  License:
    Type: String
Resources:
  # Fails on invalid instance type
  DBInstance1:
    Type: AWS::RDS::DBInstance
    Properties:
      DBInstanceClass: db.m4.xlarge
      Engine: aurora-mysql
  # invalid Instance Type
  DBInstance2:
    Type: AWS::RDS::DBInstance
    Properties:
      DBInstanceClass: db.x2e.xlarge
      Engine: oracle-se2
      LicenseModel: bring-your-own-license
  # db.x1e.xlarge isn't for license include
  DBInstance3:
    Type: AWS::RDS::DBInstance
    Properties:
      DBInstanceClass: db.x1e.xlarge
      Engine: oracle-se2
      LicenseModel: license-included
  # Fails in another region
  DBInstance4:
    Type: AWS::RDS::DBInstance
    Properties:
      DBInstanceClass: db.x2iedn.8xlarge
      Engine: mysql
  # Doesn't fail when InstanceClass is wrong but the Engine can't be determined
  DBInstance5:
    Type: AWS::RDS::DBInstance
    Properties:
      DBInstanceClass: notanappropriatetype
      Engine: !Ref DatabaseEngine
  # Doesn't fail when InstanceClass is wrong but the LicenseModel can't be determined
  DBInstance7:
    Type: AWS::RDS::DBInstance
    Properties:
      DBInstanceClass: notanappropriatetype
      Engine: sqlserver-se
      LicenseModel: !Ref License
  # Doesn't fail when LicenseModel isn't a valid value
  DBInstance8:
    Type: AWS::RDS::DBInstance
    Properties:
      DBInstanceClass: notanappropriatetype
      Engine: sqlserver-se
      LicenseModel: bad-license-model
  # Doesn't fail when Egnine isn't a valid value
  DBInstance9:
    Type: AWS::RDS::DBInstance
    Properties:
      DBInstanceClass: notanappropriatetype
      Engine: bad-ee
      LicenseModel: license-included