{
    "AWSTemplateFormatVersion": "2010-09-09",
    "Description": "This template creates a 5G Infra test environment with required VPCs: eNB, MEC, GilAN, and / or CP along with the Networking components",
    "Metadata": {
        "Version" : "2.0",
        "Comment" : "This template is run by CloudFormation Root Stack to deploy the following resources through Nested Stacks:",
        "Comment" : "  - VPCs, Bastion in each VPC",
        "Comment" : "This template is to be enhanced with:",
        "Comment" : "  - Inter-VPC Peering connection based on the 5G infra deployment patterns",
        "Comment" : "  - Inter-VPC subnet routing",
        "AWS::CloudFormation::Interface": {
            "ParameterGroups": [
                {
                    "Label": {
                        "default": "VPC Deployment"
                    },
                    "Parameters": [
                        "AvailabilityZones",
                        "DeployVPCeNB",
                        "VPCeNBName",
                        "VPCeNBCIDR",
                        "DeployVPCMEC",
                        "DeployVPCMECMultiAZ",
                        "VPCMECName",
                        "VPCMECCIDR",
                        "DeployVPCGiLAN",
                        "VPCGiLANName",
                        "VPCGiLANCIDR",
                        "DeployVPCCP",
                        "VPCCPName",
                        "VPCCPCIDR",
                        "UENETCIDR",
                        "ENBNETCIDR",
                        "S3BucketName"
                    ]
                },
                {
                    "Label": {
                        "default": "Bastion Configuration"
                    },
                    "Parameters": [
                        "BastionAMIOS",
                        "BastionInstanceType",
                        "EnableTCPForwarding",
                        "KeyPairName",
                        "RemoteAccessCIDR"
                    ]
                }
            ],
            "ParameterLabels": {
                "AvailabilityZones": {
                    "default": "Availability Zones"
                },
                "DeployVPCeNB": {
                    "Default": "yes"
                },
                "VPCeNBName": {
                    "default": "VPC eNB Name"
                },
                "VPCeNBCIDR": {
                    "default": "VPC eNB CIDR"
                },
                "DeployVPCMEC": {
                    "Default": "yes"
                },
                "DeployVPCMECMultiAZ": {
                    "Default": "no"
                },
                "VPCMECName": {
                    "default": "VPC MEC Name"
                },
                "VPCMECCIDR": {
                    "default": "VPC MEC CIDR"
                },
                "DeployVPCGiLAN": {
                    "Default": "yes"
                },
                "VPCGiLANName": {
                    "default": "VPC GiLAN Name"
                },
                "VPCGiLANCIDR": {
                    "default": "VPC GiLAN CIDR"
                },
                "DeployVPCCP": {
                    "Default": "no"
                },
                "VPCCPName": {
                    "default": "VPC CP Name"
                },
                "VPCCPCIDR": {
                    "default": "VPC CP CIDR"
                },
                "BastionAMIOS": {
                    "default": "Bastion AMI Operating System"
                },
                "BastionInstanceType": {
                    "default": "Bastion Instance Type"
                },
                "BastionInstanceName": {
                    "default": "Bastion Name"
                },
                "EnableTCPForwarding": {
                    "default": "Enable TCP Forwarding"
                },
                "KeyPairName": {
                    "default": "Key Pair Name"
                },
                "RemoteAccessCIDR": {
                    "default": "Allowed Bastion External Access CIDR"
                },
                "UENETCIDR": {
                    "default": "Allowed UE NET CIDR"
                },
                "ENBNETCIDR": {
                    "default": "Allowed ENB NET CIDR"
                },
                "S3BucketName": {
                    "default": "S3 Bucket for storing the cloudformation templates"
                }
            }
        }
    },
    "Parameters": {
        "AvailabilityZones": {
            "Description": "Select one Availability Zone for all the VPCs.",
            "Type": "List<AWS::EC2::AvailabilityZone::Name>"
        },
        "DeployVPCeNB": {
            "AllowedValues": [
                "yes",
                "no"
            ],
            "Description": "If yes, deploy VPC-eNB",
            "Type": "String"
        },
        "VPCeNBName": {
            "Description": "VPC eNB Name",
            "Type": "String",
            "Default": "VPC-eNB"
        },
        "S3BucketName": {
            "Description": "S3 Bucket Name",
            "MinLength" : "1",
            "Type": "String"
        },
        "VPCeNBCIDR": {
            "AllowedPattern": "^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])(\\/([0-9]|[1-2][0-9]|3[0-2]))$",
            "ConstraintDescription": "CIDR block parameter must be in the form x.x.x.x/x",
            "Description": "Allowed CIDR block for deploying eNB",
            "Type": "String",
            "Default": "10.2.0.0/16"
        },
        "DeployVPCMEC": {
            "AllowedValues": [
                "yes",
                "no"
            ],
            "Description": "If yes, deploy VPC-MEC",
            "Type": "String"
        },
        "DeployVPCMECMultiAZ": {
            "AllowedValues": [
                "yes",
                "no"
            ],
            "Description": "If yes, deploy VPC-MEC with multiple AZ",
            "Type": "String",
            "Default": "no"
        },
        "VPCMECName": {
            "Description": "VPC MEC Name",
            "Type": "String",
            "Default": "VPC-MEC"
        },
        "VPCMECCIDR": {
            "AllowedPattern": "^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])(\\/([0-9]|[1-2][0-9]|3[0-2]))$",
            "ConstraintDescription": "CIDR block parameter must be in the form x.x.x.x/x",
            "Description": "Allowed CIDR block for deploying MEC",
            "Type": "String",
            "Default": "10.1.0.0/16"
        },
        "DeployVPCGiLAN": {
            "AllowedValues": [
                "yes",
                "no"
            ],
            "Description": "If yes, deploy VPC-GiLAN",
            "Type": "String"
        },
        "VPCGiLANName": {
            "Description": "VPC GiLAN Name",
            "Type": "String",
            "Default": "VPC-GiLAN"
        },
        "VPCGiLANCIDR": {
            "AllowedPattern": "^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])(\\/([0-9]|[1-2][0-9]|3[0-2]))$",
            "ConstraintDescription": "CIDR block parameter must be in the form x.x.x.x/x",
            "Description": "Allowed CIDR block for deploying GiLAN",
            "Type": "String",
            "Default": "10.3.0.0/16"
        },
        "DeployVPCCP": {
            "AllowedValues": [
                "yes",
                "no"
            ],
            "Description": "If yes, deploy VPC-CP",
            "Type": "String"
        },
        "VPCCPName": {
            "Description": "VPC CP Name",
            "Type": "String",
            "Default": "VPC-CP"
        },
        "VPCCPCIDR": {
            "AllowedPattern": "^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])(\\/([0-9]|[1-2][0-9]|3[0-2]))$",
            "ConstraintDescription": "CIDR block parameter must be in the form x.x.x.x/x",
            "Description": "Allowed CIDR block for deploying CP",
            "Type": "String",
            "Default": "10.4.0.0/16"
        },
        "BastionAMIOS": {
            "AllowedValues": [
                "Ubuntu-Server-18.04-LTS-HVM",
                "Amazon-Linux-HVM"
            ],
            "Default": "Ubuntu-Server-18.04-LTS-HVM",
            "Description": "Ubuntu 18.04 AMI is to be used for the bastion instance.",
            "Type": "String"
        },
        "BastionInstanceType": {
            "AllowedValues": [
                "t3.small",
                "t3.medium",
                "t3.large"
            ],
            "Default": "t3.medium",
            "Description": "Amazon EC2 instance type for the bastion instances",
            "Type": "String"
        },
        "EnableTCPForwarding": {
            "Type": "String",
            "Description": "Enable/Disable TCP Forwarding",
            "Default": "false",
            "AllowedValues": [
                "true",
                "false"
            ]
        },
        "KeyPairName": {
            "Description": "Enter a Public/private key pair. If you do not have one in this region, please create it before continuing",
            "Type": "AWS::EC2::KeyPair::KeyName"
        },
        "RemoteAccessCIDR": {
            "AllowedPattern": "^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])(\\/([0-9]|[1-2][0-9]|3[0-2]))$",
            "ConstraintDescription": "CIDR block parameter must be in the form x.x.x.x/x",
            "Description": "Allowed CIDR block for external SSH access to the bastions",
            "Type": "String",
            "Default": "1.1.1.1/32"
        },
        "UENETCIDR": {
            "AllowedPattern": "^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])(\\/12)$",
            "ConstraintDescription": "UE NET CIDR block parameter must be in the form x.x.x.x/12",
            "Description": "Allowed CIDR block for UE NET",
            "Type": "String",
            "Default": "172.16.0.0/12"
        },
        "ENBNETCIDR": {
            "AllowedPattern": "^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])(\\/16)$",
            "ConstraintDescription": "ENB NET CIDR block parameter must be in the form x.x.x.x/16",
            "Description": "Allowed CIDR block for ENB NET",
            "Type": "String",
            "Default": "192.168.0.0/16"
        }
    },

    "Conditions": {
        "DeployVPCeNB": {"Fn::Equals" : [{"Ref": "DeployVPCeNB"}, "yes"]},
        "DeployVPCMEC": {"Fn::Equals" : [{"Ref": "DeployVPCMEC"}, "yes"]},
        "DeployVPCMECMultiAZ": {"Fn::Equals" : [{"Ref": "DeployVPCMECMultiAZ"}, "yes"]},
        "DeployVPCGiLAN": {"Fn::Equals" : [{"Ref": "DeployVPCGiLAN"}, "yes"]},
        "DeployVPCCP": {"Fn::Equals" : [{"Ref": "DeployVPCCP"}, "yes"]},
        "DeployVPCeNBVPCMECTGW": {
            "Fn::And": [
                {"Fn::Equals" : [{"Ref": "DeployVPCeNB"}, "yes"]},
                {"Fn::Equals" : [{"Ref": "DeployVPCMEC"}, "yes"]}
            ]},
        "DeployVPCMECVPCGiLANTGW": {
            "Fn::And": [
                {"Fn::Equals" : [{"Ref": "DeployVPCMEC"}, "yes"]},
                {"Fn::Equals" : [{"Ref": "DeployVPCGiLAN"}, "yes"]}
            ]},
        "DeployVPCMECVPCCPTGW": {
            "Fn::And": [
                {"Fn::Equals" : [{"Ref": "DeployVPCMEC"}, "yes"]},
                {"Fn::Equals" : [{"Ref": "DeployVPCCP"}, "yes"]}
            ]},
        "DeployVPCeNBVPCGiLANPC": {
            "Fn::And": [
                {"Fn::Equals" : [{"Ref": "DeployVPCeNB"}, "yes"]},
                {"Fn::Equals" : [{"Ref": "DeployVPCGiLAN"}, "yes"]}
            ]}
    },

    "Resources" : {
        "VPCeNBStack" : {
           "Condition" : "DeployVPCeNB",
           "Type" : "AWS::CloudFormation::Stack",
           "Properties" : {
              "TemplateURL" : {"Fn::Sub": "https://${S3BucketName}.s3-${AWS::Region}.amazonaws.com/5g-env-vpc-enb.template"},
              "Parameters" : {
                 "AvailabilityZones": {"Fn::Join": [",", {"Ref": "AvailabilityZones"}] },
                 "VPCeNBName": {"Ref": "VPCeNBName"},
                 "VPCeNBCIDR": {"Ref": "VPCeNBCIDR"},
                 "ENBNETCIDR": {"Ref": "ENBNETCIDR"},
                 "S3BucketName": {"Ref": "S3BucketName"},
                 "VPCeNBPubSubnet1CIDR": {"Fn::Select" : [0, { "Fn::Cidr" : [{"Ref": "VPCeNBCIDR"}, 256, 8]}]},
                 "VPCeNBPrvSubnetMgmtCIDR": {"Fn::Select" : [1, { "Fn::Cidr" : [{"Ref": "VPCeNBCIDR"}, 256, 8]}]},
                 "VPCeNBPrvSubnetS1UCIDR": {"Fn::Select" : [2, { "Fn::Cidr" : [{"Ref": "VPCeNBCIDR"}, 256, 8]}]}
              },
              "TimeoutInMinutes" : "10"
           }
        },
        "VPCMECStack" : {
           "Condition" : "DeployVPCMEC",
           "Type" : "AWS::CloudFormation::Stack",
           "Properties" : {
              "TemplateURL" : {
                    "Fn::If": [
                        "DeployVPCMECMultiAZ",
                        {"Fn::Sub": "https://${S3BucketName}.s3-${AWS::Region}.amazonaws.com/5g-env-vpc-mec-2az.template"},
                        {"Fn::Sub": "https://${S3BucketName}.s3-${AWS::Region}.amazonaws.com/5g-env-vpc-mec.template"}
                    ]},
              "Parameters" : {
                 "AvailabilityZones": {"Fn::Join": [",", {"Ref": "AvailabilityZones"}] },
                 "VPCMECName": {"Ref": "VPCMECName"},
                 "VPCMECCIDR": {"Ref": "VPCMECCIDR"},
                 "ENBNETCIDR": {"Ref": "ENBNETCIDR"},
                 "S3BucketName": {"Ref": "S3BucketName"},
                 "VPCMECPubSubnet1CIDR": {"Fn::Select" : [0, { "Fn::Cidr" : [{"Ref": "VPCMECCIDR"}, 256, 8]}]},
                 "VPCMECPrvSubnetMgmtSx1CIDR": {"Fn::Select" : [1, { "Fn::Cidr" : [{"Ref": "VPCMECCIDR"}, 256, 8]}]},
                 "VPCMECPrvSubnetS1UCIDR": {"Fn::Select" : [2, { "Fn::Cidr" : [{"Ref": "VPCMECCIDR"}, 256, 8]}]},
                 "VPCMECPrvSubnetSGICIDR": {"Fn::Select" : [3, { "Fn::Cidr" : [{"Ref": "VPCMECCIDR"}, 256, 8]}]},
                 "VPCMECPubSubnet2CIDR": {
                    "Fn::If": [
                        "DeployVPCMECMultiAZ",
                        {"Fn::Select" : [10, { "Fn::Cidr" : [{"Ref": "VPCMECCIDR"}, 256, 8]}]},
                        {"Ref": "AWS::NoValue"}]},
                 "VPCMECPrvSubnetMgmtSx2CIDR": {
                    "Fn::If": [
                        "DeployVPCMECMultiAZ",
                        {"Fn::Select" : [11, { "Fn::Cidr" : [{"Ref": "VPCMECCIDR"}, 256, 8]}]},
                        {"Ref": "AWS::NoValue"}]}
              },
              "TimeoutInMinutes" : "10"
           }
        },
        "VPCGiLANStack" : {
           "Condition" : "DeployVPCGiLAN",
           "Type" : "AWS::CloudFormation::Stack",
           "Properties" : {
              "TemplateURL" : {"Fn::Sub": "https://${S3BucketName}.s3-${AWS::Region}.amazonaws.com/5g-env-vpc-gilan.template"},
              "Parameters" : {
                 "AvailabilityZones": {"Fn::Join": [",", {"Ref": "AvailabilityZones"}] },
                 "VPCGiLANName": {"Ref": "VPCGiLANName"},
                 "VPCGiLANCIDR": {"Ref": "VPCGiLANCIDR"},
                 "UENETCIDR": {"Ref": "UENETCIDR"},
                 "S3BucketName": {"Ref": "S3BucketName"},
                 "VPCGiLANPubSubnet1CIDR": {"Fn::Select" : [0, { "Fn::Cidr" : [{"Ref": "VPCGiLANCIDR"}, 256, 8]}]},
                 "VPCGiLANPrvSubnetMgmtCIDR": {"Fn::Select" : [1, { "Fn::Cidr" : [{"Ref": "VPCGiLANCIDR"}, 256, 8]}]},
                 "VPCGiLANPrvSubnetSGICIDR": {"Fn::Select" : [3, { "Fn::Cidr" : [{"Ref": "VPCGiLANCIDR"}, 256, 8]}]}
              },
              "TimeoutInMinutes" : "10"
           }
        },
        "VPCCPStack" : {
           "Condition" : "DeployVPCCP",
           "Type" : "AWS::CloudFormation::Stack",
           "Properties" : {
              "TemplateURL" : {"Fn::Sub": "https://${S3BucketName}.s3-${AWS::Region}.amazonaws.com/5g-env-vpc-cp.template"},
              "Parameters" : {
                 "AvailabilityZones": {"Fn::Join": [",", {"Ref": "AvailabilityZones"}] },
                 "VPCCPName": {"Ref": "VPCCPName"},
                 "VPCCPCIDR": {"Ref": "VPCCPCIDR"},
                 "S3BucketName": {"Ref": "S3BucketName"},
                 "VPCCPPubSubnet1CIDR": {"Fn::Select" : [0, { "Fn::Cidr" : [{"Ref": "VPCCPCIDR"}, 256, 8]}]},
                 "VPCCPPrvSubnetMgmtCIDR": {"Fn::Select" : [1, { "Fn::Cidr" : [{"Ref": "VPCCPCIDR"}, 256, 8]}]}
              },
              "TimeoutInMinutes" : "10"
           }
        },

        "VPCeNBBastionStack" : {
           "Condition" : "DeployVPCeNB",
           "DependsOn" : "VPCeNBStack",
           "Type" : "AWS::CloudFormation::Stack",
           "Properties" : {
              "TemplateURL" : {"Fn::Sub": "https://${S3BucketName}.s3-${AWS::Region}.amazonaws.com/5g-env-bastion-EIP.template"},
              "Parameters" : {
                 "BastionInstanceName": {"Fn::Sub": "${VPCeNBName}-Bastion"},
                 "BastionAMIOS": {"Ref": "BastionAMIOS"},
                 "BastionInstanceType": {"Ref": "BastionInstanceType"},
                 "EnableTCPForwarding": {"Ref": "EnableTCPForwarding"},
                 "KeyPairName": {"Ref": "KeyPairName"},
                 "RemoteAccessCIDR": {"Ref": "RemoteAccessCIDR"},
                 "VPCID" : { "Fn::GetAtt": ["VPCeNBStack", "Outputs.VPCeNBID"] },
                 "PublicSubnetID": { "Fn::GetAtt": ["VPCeNBStack", "Outputs.VPCeNBPublicSubnetID"] }
              },
              "TimeoutInMinutes" : "10"
           }
        },
        "VPCMECBastionStack" : {
           "Condition" : "DeployVPCMEC",
           "DependsOn" : "VPCMECStack",
           "Type" : "AWS::CloudFormation::Stack",
           "Properties" : {
              "TemplateURL" : {"Fn::Sub": "https://${S3BucketName}.s3-${AWS::Region}.amazonaws.com/5g-env-bastion-EIP.template"},
              "Parameters" : {
                 "BastionInstanceName": {"Fn::Sub": "${VPCMECName}-Bastion"},
                 "BastionAMIOS": {"Ref": "BastionAMIOS"},
                 "BastionInstanceType": {"Ref": "BastionInstanceType"},
                 "EnableTCPForwarding": {"Ref": "EnableTCPForwarding"},
                 "KeyPairName": {"Ref": "KeyPairName"},
                 "RemoteAccessCIDR": {"Ref": "RemoteAccessCIDR"},
                 "VPCID" : { "Fn::GetAtt": ["VPCMECStack", "Outputs.VPCMECID"] },
                 "PublicSubnetID": { "Fn::GetAtt": ["VPCMECStack", "Outputs.VPCMECPublicSubnetID"] }
              },
              "TimeoutInMinutes" : "10"
           }
        },
        "VPCGiLANBastionStack" : {
           "Condition" : "DeployVPCGiLAN",
           "DependsOn" : "VPCGiLANStack",
           "Type" : "AWS::CloudFormation::Stack",
           "Properties" : {
              "TemplateURL" : {"Fn::Sub": "https://${S3BucketName}.s3-${AWS::Region}.amazonaws.com/5g-env-bastion-EIP.template"},
              "Parameters" : {
                 "BastionInstanceName": {"Fn::Sub": "${VPCGiLANName}-Bastion"},
                 "BastionAMIOS": {"Ref": "BastionAMIOS"},
                 "BastionInstanceType": {"Ref": "BastionInstanceType"},
                 "EnableTCPForwarding": {"Ref": "EnableTCPForwarding"},
                 "KeyPairName": {"Ref": "KeyPairName"},
                 "RemoteAccessCIDR": {"Ref": "RemoteAccessCIDR"},
                 "VPCID" : { "Fn::GetAtt": ["VPCGiLANStack", "Outputs.VPCGiLANID"] },
                 "PublicSubnetID": { "Fn::GetAtt": ["VPCGiLANStack", "Outputs.VPCGiLANPublicSubnetID"] }
              },
              "TimeoutInMinutes" : "10"
           }
        },
        "VPCCPBastionStack" : {
           "Condition" : "DeployVPCCP",
           "DependsOn" : "VPCCPStack",
           "Type" : "AWS::CloudFormation::Stack",
           "Properties" : {
              "TemplateURL" : {"Fn::Sub": "https://${S3BucketName}.s3-${AWS::Region}.amazonaws.com/5g-env-bastion-EIP.template"},
              "Parameters" : {
                 "BastionInstanceName": {"Fn::Sub": "${VPCCPName}-Bastion"},
                 "BastionAMIOS": {"Ref": "BastionAMIOS"},
                 "BastionInstanceType": {"Ref": "BastionInstanceType"},
                 "EnableTCPForwarding": {"Ref": "EnableTCPForwarding"},
                 "KeyPairName": {"Ref": "KeyPairName"},
                 "RemoteAccessCIDR": {"Ref": "RemoteAccessCIDR"},
                 "VPCID" : { "Fn::GetAtt": ["VPCCPStack", "Outputs.VPCCPID"] },
                 "PublicSubnetID": { "Fn::GetAtt": ["VPCCPStack", "Outputs.VPCCPPublicSubnetID"] }
              },
              "TimeoutInMinutes" : "10"
           }
        },
        "VPCeNBVPCMECTransitGateway" : {
            "Condition" : "DeployVPCeNBVPCMECTGW",
            "DependsOn" : ["VPCeNBStack", "VPCMECStack"],
            "Type" : "AWS::EC2::TransitGateway",
            "Properties" : {
                "Description" : {"Fn::Sub": "${VPCeNBName}-${VPCMECName}-S1U-TGW"},
                "DefaultRouteTableAssociation": "disable",
                "DefaultRouteTablePropagation": "disable",
                "Tags" : [
                    {
                        "Key" : "Name",
                        "Value" : {"Fn::Sub": "${VPCeNBName}-${VPCMECName}-S1U-TGW"}
                    }
                ]
            }
        },
        "VPCeNBS1UTransitGatewayAttachment" : {
            "Condition" : "DeployVPCeNBVPCMECTGW",
            "DependsOn" : ["VPCeNBStack", "VPCeNBVPCMECTransitGateway"],
            "Type" : "AWS::EC2::TransitGatewayAttachment",
            "Properties" : {
                "SubnetIds" : [{ "Fn::GetAtt": ["VPCeNBStack", "Outputs.VPCeNBS1USubnetID"] }],
                "TransitGatewayId" : {"Ref" : "VPCeNBVPCMECTransitGateway"},
                "VpcId" : {"Fn::GetAtt": ["VPCeNBStack", "Outputs.VPCeNBID"]},
                "Tags" : [
                    {
                        "Key" : "Name",
                        "Value" : {"Fn::Sub": "${VPCeNBName}-S1U-TGW-Attach"}
                    }
                ]
            }
        },
        "VPCMECS1UTransitGatewayAttachment" : {
            "Condition" : "DeployVPCeNBVPCMECTGW",
            "DependsOn" : ["VPCMECStack", "VPCeNBVPCMECTransitGateway"],
            "Type" : "AWS::EC2::TransitGatewayAttachment",
            "Properties" : {
                "SubnetIds" : [{ "Fn::GetAtt": ["VPCMECStack", "Outputs.VPCMECS1USubnetID"] }],
                "TransitGatewayId" : {"Ref" : "VPCeNBVPCMECTransitGateway"},
                "VpcId" : {"Fn::GetAtt": ["VPCMECStack", "Outputs.VPCMECID"]},
                "Tags" : [
                    {
                        "Key" : "Name",
                        "Value" : {"Fn::Sub": "${VPCMECName}-S1U-TGW-Attach"}
                    }
                ]
            }
        },
        "VPCeNBVPCMECTransitGatewayRouteTable" : {
            "Condition" : "DeployVPCeNBVPCMECTGW",
            "DependsOn" : "VPCeNBVPCMECTransitGateway",
            "Type" : "AWS::EC2::TransitGatewayRouteTable",
            "Properties" : {
                "TransitGatewayId" : {"Ref" : "VPCeNBVPCMECTransitGateway"},
                "Tags" : [
                    {
                        "Key" : "Name",
                        "Value" : {"Fn::Sub": "${VPCeNBName}-${VPCMECName}-S1U-TGWrtbl"}
                    }
                ]
            }
        },
        "VPCeNBS1UTransitGatewayRoute" : {
            "Condition" : "DeployVPCeNBVPCMECTGW",
            "Type" : "AWS::EC2::TransitGatewayRoute",
            "Properties" : {
                "TransitGatewayRouteTableId" : {"Ref" : "VPCeNBVPCMECTransitGatewayRouteTable"},
                "DestinationCidrBlock" : {"Ref": "VPCeNBCIDR"},
                "TransitGatewayAttachmentId" : {"Ref" : "VPCeNBS1UTransitGatewayAttachment"}
            }
        },
        "VPCeNBENBNETTransitGatewayRoute" : {
            "Condition" : "DeployVPCeNBVPCMECTGW",
            "Type" : "AWS::EC2::TransitGatewayRoute",
            "Properties" : {
                "TransitGatewayRouteTableId" : {"Ref" : "VPCeNBVPCMECTransitGatewayRouteTable"},
                "DestinationCidrBlock" : {"Ref": "ENBNETCIDR"},
                "TransitGatewayAttachmentId" : {"Ref" : "VPCeNBS1UTransitGatewayAttachment"}
            }
        },
        "VPCMECS1UTransitGatewayRoute" : {
            "Condition" : "DeployVPCeNBVPCMECTGW",
            "Type" : "AWS::EC2::TransitGatewayRoute",
            "Properties" : {
                "TransitGatewayRouteTableId" : {"Ref" : "VPCeNBVPCMECTransitGatewayRouteTable"},
                "DestinationCidrBlock" : {"Ref": "VPCMECCIDR"},
                "TransitGatewayAttachmentId" : {"Ref" : "VPCMECS1UTransitGatewayAttachment"}
            }
        },
        "VPCeNBS1UTransitGatewayRouteTablePropagation" : {
            "Condition" : "DeployVPCeNBVPCMECTGW",
            "Type" : "AWS::EC2::TransitGatewayRouteTablePropagation",
            "Properties" : {
                "TransitGatewayRouteTableId" : {"Ref" : "VPCeNBVPCMECTransitGatewayRouteTable"},
                "TransitGatewayAttachmentId" : {"Ref" : "VPCeNBS1UTransitGatewayAttachment"}
            }
        },
        "VPCMECS1UTransitGatewayRouteTablePropagation" : {
            "Condition" : "DeployVPCeNBVPCMECTGW",
            "Type" : "AWS::EC2::TransitGatewayRouteTablePropagation",
            "Properties" : {
                "TransitGatewayRouteTableId" : {"Ref" : "VPCeNBVPCMECTransitGatewayRouteTable"},
                "TransitGatewayAttachmentId" : {"Ref" : "VPCMECS1UTransitGatewayAttachment"}
            }
        },
        "VPCeNBS1UTransitGatewayRouteTableAssociation" : {
            "Condition" : "DeployVPCeNBVPCMECTGW",
            "Type" : "AWS::EC2::TransitGatewayRouteTableAssociation",
            "Properties" : {
                "TransitGatewayRouteTableId" : {"Ref" : "VPCeNBVPCMECTransitGatewayRouteTable"},
                "TransitGatewayAttachmentId" : {"Ref" : "VPCeNBS1UTransitGatewayAttachment"}
            }
        },
        "VPCMECS1UTransitGatewayRouteTableAssociation" : {
            "Condition" : "DeployVPCeNBVPCMECTGW",
            "Type" : "AWS::EC2::TransitGatewayRouteTableAssociation",
            "Properties" : {
                "TransitGatewayRouteTableId" : {"Ref" : "VPCeNBVPCMECTransitGatewayRouteTable"},
                "TransitGatewayAttachmentId" : {"Ref" : "VPCMECS1UTransitGatewayAttachment"}
            }
        },
        "VPCMECVPCGiLANTransitGateway" : {
            "Condition" : "DeployVPCMECVPCGiLANTGW",
            "DependsOn" : ["VPCMECStack", "VPCGiLANStack"],
            "Type" : "AWS::EC2::TransitGateway",
            "Properties" : {
                "Description" : {"Fn::Sub": "${VPCMECName}-${VPCGiLANName}-SGI-TGW"},
                "DefaultRouteTableAssociation": "disable",
                "DefaultRouteTablePropagation": "disable",
                "Tags" : [
                    {
                        "Key" : "Name",
                        "Value" : {"Fn::Sub": "${VPCMECName}-${VPCGiLANName}-SGI-TGW"}
                    }
                ]
            }
        },
        "VPCMECSGITransitGatewayAttachment" : {
            "Condition" : "DeployVPCMECVPCGiLANTGW",
            "Type" : "AWS::EC2::TransitGatewayAttachment",
            "Properties" : {
                "SubnetIds" : [{ "Fn::GetAtt": ["VPCMECStack", "Outputs.VPCMECSGISubnetID"] }],
                "TransitGatewayId" : {"Ref" : "VPCMECVPCGiLANTransitGateway"},
                "VpcId" : {"Fn::GetAtt": ["VPCMECStack", "Outputs.VPCMECID"]},
                "Tags" : [
                    {
                        "Key" : "Name",
                        "Value" : {"Fn::Sub": "${VPCMECName}-SGI-TGW-Attach"}
                    }
                ]
            }
        },
        "VPCGiLANSGITransitGatewayAttachment" : {
            "Condition" : "DeployVPCMECVPCGiLANTGW",
            "Type" : "AWS::EC2::TransitGatewayAttachment",
            "Properties" : {
                "SubnetIds" : [{ "Fn::GetAtt": ["VPCGiLANStack", "Outputs.VPCGiLANSGISubnetID"] }],
                "TransitGatewayId" : {"Ref" : "VPCMECVPCGiLANTransitGateway"},
                "VpcId" : {"Fn::GetAtt": ["VPCGiLANStack", "Outputs.VPCGiLANID"]},
                "Tags" : [
                    {
                        "Key" : "Name",
                        "Value" : {"Fn::Sub": "${VPCGiLANName}-SGI-TGW-Attach"}
                    }
                ]
            }
        },
        "VPCMECVPCGiLANTransitGatewayRouteTable" : {
            "Condition" : "DeployVPCMECVPCGiLANTGW",
            "Type" : "AWS::EC2::TransitGatewayRouteTable",
            "Properties" : {
                "TransitGatewayId" : {"Ref" : "VPCMECVPCGiLANTransitGateway"},
                "Tags" : [
                    {
                        "Key" : "Name",
                        "Value" : {"Fn::Sub": "${VPCMECName}-${VPCGiLANName}-SGI-TGWrtbl"}
                    }
                ]
            }
        },
        "VPCMECSGITransitGatewayRoute" : {
            "Condition" : "DeployVPCMECVPCGiLANTGW",
            "Type" : "AWS::EC2::TransitGatewayRoute",
            "Properties" : {
                "TransitGatewayRouteTableId" : {"Ref" : "VPCMECVPCGiLANTransitGatewayRouteTable"},
                "DestinationCidrBlock" : {"Ref": "VPCMECCIDR"},
                "TransitGatewayAttachmentId" : {"Ref" : "VPCMECSGITransitGatewayAttachment"}
            }
        },
        "VPCMECUENETTransitGatewayRoute" : {
            "Condition" : "DeployVPCMECVPCGiLANTGW",
            "Type" : "AWS::EC2::TransitGatewayRoute",
            "Properties" : {
                "TransitGatewayRouteTableId" : {"Ref" : "VPCMECVPCGiLANTransitGatewayRouteTable"},
                "DestinationCidrBlock" : {"Ref": "UENETCIDR"},
                "TransitGatewayAttachmentId" : {"Ref" : "VPCMECSGITransitGatewayAttachment"}
            }
        },
        "VPCGiLANSGITransitGatewayRoute" : {
            "Condition" : "DeployVPCMECVPCGiLANTGW",
            "Type" : "AWS::EC2::TransitGatewayRoute",
            "Properties" : {
                "TransitGatewayRouteTableId" : {"Ref" : "VPCMECVPCGiLANTransitGatewayRouteTable"},
                "DestinationCidrBlock" : {"Ref": "VPCGiLANCIDR"},
                "TransitGatewayAttachmentId" : {"Ref" : "VPCGiLANSGITransitGatewayAttachment"}
            }
        },
        "VPCMECSGITransitGatewayRouteTablePropagation" : {
            "Condition" : "DeployVPCMECVPCGiLANTGW",
            "Type" : "AWS::EC2::TransitGatewayRouteTablePropagation",
            "Properties" : {
                "TransitGatewayRouteTableId" : {"Ref" : "VPCMECVPCGiLANTransitGatewayRouteTable"},
                "TransitGatewayAttachmentId" : {"Ref" : "VPCMECSGITransitGatewayAttachment"}
            }
        },
        "VPCGiLANSGITransitGatewayRouteTablePropagation" : {
            "Condition" : "DeployVPCMECVPCGiLANTGW",
            "Type" : "AWS::EC2::TransitGatewayRouteTablePropagation",
            "Properties" : {
                "TransitGatewayRouteTableId" : {"Ref" : "VPCMECVPCGiLANTransitGatewayRouteTable"},
                "TransitGatewayAttachmentId" : {"Ref" : "VPCGiLANSGITransitGatewayAttachment"}
            }
        },
        "VPCMECSGITransitGatewayRouteRouteTableAssociation" : {
            "Condition" : "DeployVPCMECVPCGiLANTGW",
            "Type" : "AWS::EC2::TransitGatewayRouteTableAssociation",
            "Properties" : {
                "TransitGatewayRouteTableId" : {"Ref" : "VPCMECVPCGiLANTransitGatewayRouteTable"},
                "TransitGatewayAttachmentId" : {"Ref" : "VPCMECSGITransitGatewayAttachment"}
            }
        },
        "VPCGiLANSGITransitGatewayRouteRouteTableAssociation" : {
            "Condition" : "DeployVPCMECVPCGiLANTGW",
            "Type" : "AWS::EC2::TransitGatewayRouteTableAssociation",
            "Properties" : {
                "TransitGatewayRouteTableId" : {"Ref" : "VPCMECVPCGiLANTransitGatewayRouteTable"},
                "TransitGatewayAttachmentId" : {"Ref" : "VPCGiLANSGITransitGatewayAttachment"}
            }
        },
        "VPCMECVPCCPTransitGateway" : {
            "Condition" : "DeployVPCMECVPCCPTGW",
            "DependsOn" : ["VPCMECStack", "VPCCPStack"],
            "Type" : "AWS::EC2::TransitGateway",
            "Properties" : {
                "Description" : {"Fn::Sub": "${VPCMECName}-${VPCCPName}-Mgmt-TGW"},
                "DefaultRouteTableAssociation": "disable",
                "DefaultRouteTablePropagation": "disable",
                "Tags" : [
                    {
                        "Key" : "Name",
                        "Value" : {"Fn::Sub": "${VPCMECName}-${VPCCPName}-Mgmt-TGW"}
                    }
                ]
            }
        },
        "VPCMECMgmtTransitGatewayAttachment" : {
            "Condition" : "DeployVPCMECVPCCPTGW",
            "Type" : "AWS::EC2::TransitGatewayAttachment",
            "Properties" : {
                "SubnetIds" : [{ "Fn::GetAtt": ["VPCMECStack", "Outputs.VPCMECPrivateSubnetID"] }],
                "TransitGatewayId" : {"Ref" : "VPCMECVPCCPTransitGateway"},
                "VpcId" : {"Fn::GetAtt": ["VPCMECStack", "Outputs.VPCMECID"]},
                "Tags" : [
                    {
                        "Key" : "Name",
                        "Value" : {"Fn::Sub": "${VPCMECName}-Mgmt-TGW-Attach"}
                    }
                ]
            }
        },
        "VPCCPMgmtTransitGatewayAttachment" : {
            "Condition" : "DeployVPCMECVPCCPTGW",
            "Type" : "AWS::EC2::TransitGatewayAttachment",
            "Properties" : {
                "SubnetIds" : [{ "Fn::GetAtt": ["VPCCPStack", "Outputs.VPCCPPrivateSubnetID"] }],
                "TransitGatewayId" : {"Ref" : "VPCMECVPCCPTransitGateway"},
                "VpcId" : {"Fn::GetAtt": ["VPCCPStack", "Outputs.VPCCPID"]},
                "Tags" : [
                    {
                        "Key" : "Name",
                        "Value" : {"Fn::Sub": "${VPCCPName}-Mgmt-TGW-Attach"}
                    }
                ]
            }
        },
        "VPCMECVPCCPTransitGatewayRouteTable" : {
            "Condition" : "DeployVPCMECVPCCPTGW",
            "Type" : "AWS::EC2::TransitGatewayRouteTable",
            "Properties" : {
                "TransitGatewayId" : {"Ref" : "VPCMECVPCCPTransitGateway"},
                "Tags" : [
                    {
                        "Key" : "Name",
                        "Value" : {"Fn::Sub": "${VPCMECName}-${VPCCPName}-Mgmt-TGWrtbl"}
                    }
                ]
            }
        },
        "VPCMECMgmtTransitGatewayRoute" : {
            "Condition" : "DeployVPCMECVPCCPTGW",
            "Type" : "AWS::EC2::TransitGatewayRoute",
            "Properties" : {
                "TransitGatewayRouteTableId" : {"Ref" : "VPCMECVPCCPTransitGatewayRouteTable"},
                "DestinationCidrBlock" : {"Ref": "VPCMECCIDR"},
                "TransitGatewayAttachmentId" : {"Ref" : "VPCMECMgmtTransitGatewayAttachment"}
            }
        },
        "VPCCPMgmtTransitGatewayRoute" : {
            "Condition" : "DeployVPCMECVPCCPTGW",
            "Type" : "AWS::EC2::TransitGatewayRoute",
            "Properties" : {
                "TransitGatewayRouteTableId" : {"Ref" : "VPCMECVPCCPTransitGatewayRouteTable"},
                "DestinationCidrBlock" : {"Ref": "VPCCPCIDR"},
                "TransitGatewayAttachmentId" : {"Ref" : "VPCCPMgmtTransitGatewayAttachment"}
            }
        },
        "VPCMECMgmtTransitGatewayRouteTablePropagation" : {
            "Condition" : "DeployVPCMECVPCCPTGW",
            "Type" : "AWS::EC2::TransitGatewayRouteTablePropagation",
            "Properties" : {
                "TransitGatewayRouteTableId" : {"Ref" : "VPCMECVPCCPTransitGatewayRouteTable"},
                "TransitGatewayAttachmentId" : {"Ref" : "VPCMECMgmtTransitGatewayAttachment"}
            }
        },
        "VPCCPMgmtTransitGatewayRouteTablePropagation" : {
            "Condition" : "DeployVPCMECVPCCPTGW",
            "Type" : "AWS::EC2::TransitGatewayRouteTablePropagation",
            "Properties" : {
                "TransitGatewayRouteTableId" : {"Ref" : "VPCMECVPCCPTransitGatewayRouteTable"},
                "TransitGatewayAttachmentId" : {"Ref" : "VPCCPMgmtTransitGatewayAttachment"}
            }
        },
        "VPCMECMgmtTransitGatewayRouteRouteTableAssociation" : {
            "Condition" : "DeployVPCMECVPCCPTGW",
            "Type" : "AWS::EC2::TransitGatewayRouteTableAssociation",
            "Properties" : {
                "TransitGatewayRouteTableId" : {"Ref" : "VPCMECVPCCPTransitGatewayRouteTable"},
                "TransitGatewayAttachmentId" : {"Ref" : "VPCMECMgmtTransitGatewayAttachment"}
            }
        },
        "VPCCPMgmtTransitGatewayRouteRouteTableAssociation" : {
            "Condition" : "DeployVPCMECVPCCPTGW",
            "Type" : "AWS::EC2::TransitGatewayRouteTableAssociation",
            "Properties" : {
                "TransitGatewayRouteTableId" : {"Ref" : "VPCMECVPCCPTransitGatewayRouteTable"},
                "TransitGatewayAttachmentId" : {"Ref" : "VPCCPMgmtTransitGatewayAttachment"}
            }
        },
        "VPCeNBVPCGiLANPeeringConnection" : {
            "Condition" : "DeployVPCeNBVPCGiLANPC",
            "DependsOn" : ["VPCeNBStack", "VPCGiLANStack"],
            "Type": "AWS::EC2::VPCPeeringConnection",
            "Properties": {
                "VpcId" : {"Fn::GetAtt": ["VPCeNBStack", "Outputs.VPCeNBID"]},
                "PeerVpcId" : {"Fn::GetAtt": ["VPCGiLANStack", "Outputs.VPCGiLANID"]},
                "Tags" : [
                    {
                        "Key" : "Name",
                        "Value" : {"Fn::Sub": "${VPCeNBName}-${VPCGiLANName}-Peering"}
                    }
                ]
            }
        },
        "VPCeNBPrvSubnetMgmtRoute" : {
            "Condition" : "DeployVPCeNBVPCGiLANPC",
            "Type" : "AWS::EC2::Route",
            "Properties" : {
                "RouteTableId" : {"Fn::GetAtt": ["VPCeNBStack", "Outputs.VPCeNBPrvSubnetMgmtRouteTableID"]},
                "DestinationCidrBlock" : {"Ref": "VPCGiLANCIDR"},
                "VpcPeeringConnectionId" : {"Ref" : "VPCeNBVPCGiLANPeeringConnection"}
            }
        },
        "VPCGiLANPrvSubnetMgmtRoute" : {
            "Condition" : "DeployVPCeNBVPCGiLANPC",
            "Type" : "AWS::EC2::Route",
            "Properties" : {
                "RouteTableId" : {"Fn::GetAtt": ["VPCGiLANStack", "Outputs.VPCGiLANPrvSubnetMgmtRouteTableID"]},
                "DestinationCidrBlock" : {"Ref": "VPCeNBCIDR"},
                "VpcPeeringConnectionId" : {"Ref" : "VPCeNBVPCGiLANPeeringConnection"}
            }
        },
        "VPCeNBPrvSubnetS1URoute" : {
            "Condition" : "DeployVPCeNBVPCMECTGW",
            "DependsOn" : ["VPCeNBVPCMECTransitGateway", "VPCeNBS1UTransitGatewayAttachment"],
            "Type" : "AWS::EC2::Route",
            "Properties" : {
                "RouteTableId" : {"Fn::GetAtt": ["VPCeNBStack", "Outputs.VPCeNBPrvSubnetS1URouteTableID"]},
                "DestinationCidrBlock" : {"Ref": "VPCMECCIDR"},
                "TransitGatewayId" : {"Ref" : "VPCeNBVPCMECTransitGateway"}
            }
        },
        "VPCMECPrvSubnetS1URoute" : {
            "Condition" : "DeployVPCeNBVPCMECTGW",
            "DependsOn" : ["VPCeNBVPCMECTransitGateway", "VPCMECS1UTransitGatewayAttachment"],
            "Type" : "AWS::EC2::Route",
            "Properties" : {
                "RouteTableId" : {"Fn::GetAtt": ["VPCMECStack", "Outputs.VPCMECPrvSubnetS1URouteTableID"]},
                "DestinationCidrBlock" : {"Ref": "VPCeNBCIDR"},
                "TransitGatewayId" : {"Ref" : "VPCeNBVPCMECTransitGateway"}
            }
        },
        "VPCMECPrvSubnetENBNETRoute" : {
            "Condition" : "DeployVPCeNBVPCMECTGW",
            "DependsOn" : ["VPCeNBVPCMECTransitGateway", "VPCMECS1UTransitGatewayAttachment"],
            "Type" : "AWS::EC2::Route",
            "Properties" : {
                "RouteTableId" : {"Fn::GetAtt": ["VPCMECStack", "Outputs.VPCMECPrvSubnetS1URouteTableID"]},
                "DestinationCidrBlock" : {"Ref": "ENBNETCIDR"},
                "TransitGatewayId" : {"Ref" : "VPCeNBVPCMECTransitGateway"}
            }
        },
        "VPCMECPrvSubnetSGIRoute" : {
            "Condition" : "DeployVPCMECVPCGiLANTGW",
            "DependsOn" : ["VPCMECVPCGiLANTransitGateway", "VPCMECSGITransitGatewayAttachment"],
            "Type" : "AWS::EC2::Route",
            "Properties" : {
                "RouteTableId" : {"Fn::GetAtt": ["VPCMECStack", "Outputs.VPCMECPrvSubnetSGIRouteTableID"]},
                "DestinationCidrBlock" : {"Ref": "VPCGiLANCIDR"},
                "TransitGatewayId" : {"Ref" : "VPCMECVPCGiLANTransitGateway"}
            }
        },
        "VPCGiLANPrvSubnetSGIRoute" : {
            "Condition" : "DeployVPCMECVPCGiLANTGW",
            "DependsOn" : ["VPCMECVPCGiLANTransitGateway", "VPCGiLANSGITransitGatewayAttachment"],
            "Type" : "AWS::EC2::Route",
            "Properties" : {
                "RouteTableId" : {"Fn::GetAtt": ["VPCGiLANStack", "Outputs.VPCGiLANPrvSubnetSGIRouteTableID"]},
                "DestinationCidrBlock" : {"Ref": "VPCMECCIDR"},
                "TransitGatewayId" : {"Ref" : "VPCMECVPCGiLANTransitGateway"}
            }
        },
        "VPCGiLANPrvSubnetUENETRoute" : {
            "Condition" : "DeployVPCMECVPCGiLANTGW",
            "DependsOn" : ["VPCMECVPCGiLANTransitGateway", "VPCGiLANSGITransitGatewayAttachment"],
            "Type" : "AWS::EC2::Route",
            "Properties" : {
                "RouteTableId" : {"Fn::GetAtt": ["VPCGiLANStack", "Outputs.VPCGiLANPrvSubnetSGIRouteTableID"]},
                "DestinationCidrBlock" : {"Ref": "UENETCIDR"},
                "TransitGatewayId" : {"Ref" : "VPCMECVPCGiLANTransitGateway"}
            }
        },
        "VPCMECPrvSubnetMgmtRoute" : {
            "Condition" : "DeployVPCMECVPCCPTGW",
            "DependsOn" : ["VPCMECVPCCPTransitGateway", "VPCMECMgmtTransitGatewayAttachment"],
            "Type" : "AWS::EC2::Route",
            "Properties" : {
                "RouteTableId" : {"Fn::GetAtt": ["VPCMECStack", "Outputs.VPCMECPrvSubnetMgmtRouteTableID"]},
                "DestinationCidrBlock" : {"Ref": "VPCCPCIDR"},
                "TransitGatewayId" : {"Ref" : "VPCMECVPCCPTransitGateway"}
            }
        },
        "VPCCPPrvSubnetMgmtRoute" : {
            "Condition" : "DeployVPCMECVPCCPTGW",
            "DependsOn" : ["VPCMECVPCCPTransitGateway", "VPCCPMgmtTransitGatewayAttachment"],
            "Type" : "AWS::EC2::Route",
            "Properties" : {
                "RouteTableId" : {"Fn::GetAtt": ["VPCCPStack", "Outputs.VPCCPPrvSubnetMgmtRouteTableID"]},
                "DestinationCidrBlock" : {"Ref": "VPCMECCIDR"},
                "TransitGatewayId" : {"Ref" : "VPCMECVPCCPTransitGateway"}
            }
        }
    }
}