---
AWSTemplateFormatVersion: "2010-09-09"
Description: >
  Test Good Sub Strings
Parameters:
  myPackage:
    Type: String
    Default: httpd
    Description: Web Package
  myAppPackage:
    Type: String
    Default: java
    Description: App Package
  mySubnets:
    Type: List<AWS::EC2::Subnet::Id>
  CidrBlock:
    Type: String
Resources:
  myInstance:
    Type: AWS::EC2::Instance
    Metadata:
      AWS::CloudFormation::Init:
        config:
          files:
            /etc/aws-signing-proxy.yml:
              content: !Sub |
                listen-address: 127.0.0.1
                port: 9200
                target: https://${mySubStack.Outputs.DomainEndpoint}
                region: ${AWS::Region}
                loadbalancer: ${myAlb.DNSName}
    Properties:
      ImageId: String
      UserData:
        Fn::Base64:
          Fn::Sub:
          - yum install ${myPackage}
            yum install ${package}
            yum install ${myCustomResource.Package}
          - package: !Ref myAppPackage
  mySubStack:
    Type: AWS::CloudFormation::Stack
    Properties:
      TemplateURL: String
  myCustomResource:
    Type: Custom::Test
    Properties:
      ServiceToken: Arn
  myAlb:
    Type: "AWS::ElasticLoadBalancingV2::LoadBalancer"
    Properties:
      Name: !Sub ${AWS::StackName}-lb
      Subnets: !Ref mySubnets
  LaunchConfiguration:
    Type: AWS::AutoScaling::LaunchConfiguration
    Properties:
      ImageId: ami-123456
      InstanceType: t2.micro
      UserData:
        'Fn::Base64':
          'Fn::Sub':
            'Fn::Transform':  # Doesn't fail on Transform
              Name: DynamicUserData
  MyStack:
    Type: AWS::CloudFormation::Stack
    Properties:
      ProductName: example
      ProvisioningArtifactName: v1
  myVPc2:
    Type: AWS::EC2::VPC
    Properties:
      CidrBlock:
        Fn::Sub:
        - "${myCidr}${number}"
        - myCidr: !Ref CidrBlock
          number: 1
Outputs:
  OutputSub:
    Value: !Sub '${MyStack.Outputs.Example}-example'