functions-and-conditions.json

{
  "Mappings": {
    "RegionMap": {
      "region-1": {
        "HVM64": "name1",
        "HVMG2": "name2"
      }
    }
  },
  "Conditions": {
    "AlwaysTrueCond": {
      "Fn::Not": [
        {
          "Fn::Equals": [
            {
              "Ref": "AWS::Region"
            },
            "completely-made-up-region"
          ]
        }
      ]
    },
    "AndCond": {
      "Fn::And": [
        {
          "Condition": "AlwaysTrueCond"
        },
        {
          "Fn::Or": [
            {
              "Condition": "AlwaysTrueCond"
            },
            {
              "Condition": "AlwaysTrueCond"
            }
          ]
        }
      ]
    }
  },
  "Resources": {
    "Vpc": {
      "Type": "AWS::EC2::VPC",
      "Properties": {
        "CidrBlock": {
          "Fn::If": [
            "AlwaysTrueCond",
            {
              "Fn::Cidr": [
                "192.168.1.1/24",
                2,
                5
              ]
            },
            {
              "Fn::Cidr": [
                "10.0.0.0/24",
                "6",
                "5"
              ]
            }
          ]
        }
      }
    },
    "Bucket": {
      "Type": "AWS::S3::Bucket",
      "Properties": {
        "BucketName": {
          "Fn::If": [
            "AndCond",
            {
              "Fn::FindInMap": [
                "RegionMap",
                "region-1",
                "HVM64"
              ]
            },
            "Unreachable"
          ]
        }
      }
    },
    "Subnet1": {
      "Type": "AWS::EC2::Subnet",
      "Properties": {
        "VpcId": {
          "Fn::If": [
            "AlwaysTrueCond",
            {
              "Fn::Split": [
                ",",
                {
                  "Fn::ImportValue": "ImportedVpcId"
                }
              ]
            },
            "Unreachable"
          ]
        },
        "CidrBlock": "10.0.0.0/24",
        "AvailabilityZone": {
          "Fn::Select": [
            "0",
            {
              "Fn::GetAZs": ""
            }
          ]
        }
      }
    },
    "Subnet2": {
      "Type": "AWS::EC2::Subnet",
      "Properties": {
        "VpcId": {
          "Fn::Select": [
            0,
            {
              "Fn::Cidr": [
                "10.0.0.0/24",
                5,
                2
              ]
            }
          ]
        },
        "CidrBlock": "10.0.0.0/24",
        "AvailabilityZone": {
          "Fn::Select": [
            "0",
            {
              "Fn::GetAZs": "eu-west-2"
            }
          ]
        }
      }
    },
    "TransformBucket": {
      "Type": "AWS::S3::Bucket",
      "Properties": {
        "BucketName": {
          "Fn::If": [
            "AndCond",
            {
              "Fn::Transform": {
                "Name": "AWS::Include",
                "Parameters": {
                  "Location": "location",
                  "AnotherParameter": {
                    "Fn::Base64": "AnotherValue"
                  }
                }
              }
            }
          ]
        }
      }
    }
  }
}