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aws-vpc.template
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aws-vpc.template
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{
"AWSTemplateFormatVersion": "2010-09-09",
"Description": "This template creates a Multi-AZ, multi-subnet VPC infrastructure with managed NAT gateways in the public subnet for each Availability Zone. You can also create additional private subnets with dedicated custom network access control lists (ACLs). **WARNING** This template creates AWS resources. You will be billed for the AWS resources used if you create a stack from this template. QS(0027). This is a modified version of the template found here: http://docs.aws.amazon.com/quickstart/latest/vpc/welcome.html",
"Metadata": {
"AWS::CloudFormation::Interface": {
"ParameterGroups": [
{
"Label": {
"default": "Availability Zone Configuration"
},
"Parameters": [
"AvailabilityZones",
"NumberOfAZs"
]
},
{
"Label": {
"default": "Network Configuration"
},
"Parameters": [
"VPCCIDR",
"PrivateSubnet1ACIDR",
"PrivateSubnet2ACIDR",
"PrivateSubnet3ACIDR",
"PrivateSubnet4ACIDR",
"PublicSubnet1CIDR",
"PublicSubnet2CIDR",
"PublicSubnet3CIDR",
"PublicSubnet4CIDR",
"CreateAdditionalPrivateSubnets",
"PrivateSubnet1BCIDR",
"PrivateSubnet2BCIDR",
"PrivateSubnet3BCIDR",
"PrivateSubnet4BCIDR"
]
}
],
"ParameterLabels": {
"AvailabilityZones": {
"default": "Availability Zones"
},
"CreateAdditionalPrivateSubnets": {
"default": "Create additional private subnets with dedicated network ACLs"
},
"KeyPairName": {
"default": "Key pair name"
},
"NumberOfAZs": {
"default": "Number of Availability Zones"
},
"PrivateSubnet1ACIDR": {
"default": "Private subnet 1A CIDR"
},
"PrivateSubnet1BCIDR": {
"default": "Private subnet 1B with dedicated network ACL CIDR"
},
"PrivateSubnet2ACIDR": {
"default": "Private subnet 2A CIDR"
},
"PrivateSubnet2BCIDR": {
"default": "Private subnet 2B with dedicated network ACL CIDR"
},
"PrivateSubnet3ACIDR": {
"default": "Private subnet 3A CIDR"
},
"PrivateSubnet3BCIDR": {
"default": "Private subnet 3B with dedicated network ACL CIDR"
},
"PrivateSubnet4ACIDR": {
"default": "Private subnet 4A CIDR"
},
"PrivateSubnet4BCIDR": {
"default": "Private subnet 4B with dedicated network ACL CIDR"
},
"PublicSubnet1CIDR": {
"default": "Public subnet 1 CIDR"
},
"PublicSubnet2CIDR": {
"default": "Public subnet 2 CIDR"
},
"PublicSubnet3CIDR": {
"default": "Public subnet 3 CIDR"
},
"PublicSubnet4CIDR": {
"default": "Public subnet 4 CIDR"
},
"VPCCIDR": {
"default": "VPC CIDR"
}
}
}
},
"Parameters": {
"AvailabilityZones": {
"Description": "List of Availability Zones to use for the subnets in the VPC. Note: The logical order is preserved.",
"Type": "List<AWS::EC2::AvailabilityZone::Name>"
},
"CreateAdditionalPrivateSubnets": {
"AllowedValues": [
"true",
"false"
],
"Default": "false",
"Description": "Set to true to create a network ACL protected subnet in each Availability Zone. If false, the CIDR parameters for those subnets will be ignored.",
"Type": "String"
},
"NumberOfAZs": {
"AllowedValues": [
"2",
"3",
"4"
],
"Default": "2",
"Description": "Number of Availability Zones to use in the VPC. This must match your selections in the list of Availability Zones parameter.",
"Type": "String"
},
"PrivateSubnet1ACIDR": {
"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])(\\/(1[6-9]|2[0-8]))$",
"ConstraintDescription": "CIDR block parameter must be in the form x.x.x.x/16-28",
"Default": "10.0.0.0/19",
"Description": "CIDR block for private subnet 1A located in Availability Zone 1",
"Type": "String"
},
"PrivateSubnet1BCIDR": {
"AllowedPattern": "^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])(\\/(1[6-9]|2[0-8]))$",
"ConstraintDescription": "CIDR block parameter must be in the form x.x.x.x/16-28",
"Default": "10.0.192.0/21",
"Description": "CIDR block for private subnet 1B with dedicated network ACL located in Availability Zone 1",
"Type": "String"
},
"PrivateSubnet2ACIDR": {
"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])(\\/(1[6-9]|2[0-8]))$",
"ConstraintDescription": "CIDR block parameter must be in the form x.x.x.x/16-28",
"Default": "10.0.32.0/19",
"Description": "CIDR block for private subnet 2A located in Availability Zone 2",
"Type": "String"
},
"PrivateSubnet2BCIDR": {
"AllowedPattern": "^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])(\\/(1[6-9]|2[0-8]))$",
"ConstraintDescription": "CIDR block parameter must be in the form x.x.x.x/16-28",
"Default": "10.0.200.0/21",
"Description": "CIDR block for private subnet 2B with dedicated network ACL located in Availability Zone 2",
"Type": "String"
},
"PrivateSubnet3ACIDR": {
"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])(\\/(1[6-9]|2[0-8]))$",
"ConstraintDescription": "CIDR block parameter must be in the form x.x.x.x/16-28",
"Default": "10.0.64.0/19",
"Description": "CIDR block for private subnet 3A located in Availability Zone 3",
"Type": "String"
},
"PrivateSubnet3BCIDR": {
"AllowedPattern": "^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])(\\/(1[6-9]|2[0-8]))$",
"ConstraintDescription": "CIDR block parameter must be in the form x.x.x.x/16-28",
"Default": "10.0.208.0/21",
"Description": "CIDR block for private subnet 3B with dedicated network ACL located in Availability Zone 3",
"Type": "String"
},
"PrivateSubnet4ACIDR": {
"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])(\\/(1[6-9]|2[0-8]))$",
"ConstraintDescription": "CIDR block parameter must be in the form x.x.x.x/16-28",
"Default": "10.0.96.0/19",
"Description": "CIDR block for private subnet 4A located in Availability Zone 4",
"Type": "String"
},
"PrivateSubnet4BCIDR": {
"AllowedPattern": "^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])(\\/(1[6-9]|2[0-8]))$",
"ConstraintDescription": "CIDR block parameter must be in the form x.x.x.x/16-28",
"Default": "10.0.216.0/21",
"Description": "CIDR block for private subnet 4B with dedicated network ACL located in Availability Zone 4",
"Type": "String"
},
"PublicSubnet1CIDR": {
"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])(\\/(1[6-9]|2[0-8]))$",
"ConstraintDescription": "CIDR block parameter must be in the form x.x.x.x/16-28",
"Default": "10.0.128.0/20",
"Description": "CIDR block for the public DMZ subnet 1 located in Availability Zone 1",
"Type": "String"
},
"PublicSubnet2CIDR": {
"AllowedPattern": "^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])(\\/(1[6-9]|2[0-8]))$",
"ConstraintDescription": "CIDR block parameter must be in the form x.x.x.x/16-28",
"Default": "10.0.144.0/20",
"Description": "CIDR block for the public DMZ subnet 2 located in Availability Zone 2",
"Type": "String"
},
"PublicSubnet3CIDR": {
"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])(\\/(1[6-9]|2[0-8]))$",
"ConstraintDescription": "CIDR block parameter must be in the form x.x.x.x/16-28",
"Default": "10.0.160.0/20",
"Description": "CIDR block for the public DMZ subnet 3 located in Availability Zone 3",
"Type": "String"
},
"PublicSubnet4CIDR": {
"AllowedPattern": "^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])(\\/(1[6-9]|2[0-8]))$",
"ConstraintDescription": "CIDR block parameter must be in the form x.x.x.x/16-28",
"Default": "10.0.176.0/20",
"Description": "CIDR block for the public DMZ subnet 4 located in Availability Zone 4",
"Type": "String"
},
"VPCCIDR": {
"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])(\\/(1[6-9]|2[0-8]))$",
"ConstraintDescription": "CIDR block parameter must be in the form x.x.x.x/16-28",
"Default": "10.0.0.0/16",
"Description": "CIDR block for the VPC",
"Type": "String"
}
},
"Mappings": {
"AWSAMIRegionMap": {
"AMI": {
"AWSNATHVM": "amzn-ami-vpc-nat-hvm-2016.03.3.x86_64-ebs"
},
"ap-northeast-1": {
"AWSNATHVM": "ami-2443b745"
},
"ap-northeast-2": {
"AWSNATHVM": "ami-d14388bf"
},
"ap-south-1": {
"AWSNATHVM": "ami-e2b9d38d"
},
"ap-southeast-1": {
"AWSNATHVM": "ami-a79b49c4"
},
"ap-southeast-2": {
"AWSNATHVM": "ami-53371f30"
},
"eu-central-1": {
"AWSNATHVM": "ami-5825cd37"
},
"eu-west-1": {
"AWSNATHVM": "ami-a8dd45db"
},
"sa-east-1": {
"AWSNATHVM": "ami-9336bcff"
},
"us-east-1": {
"AWSNATHVM": "ami-4868ab25"
},
"us-east-2": {
"AWSNATHVM": "ami-92a6fef7"
},
"us-west-1": {
"AWSNATHVM": "ami-004b0f60"
},
"us-west-2": {
"AWSNATHVM": "ami-a275b1c2"
}
},
"AWSInfoRegionMap": {
"ap-northeast-1": {
"Partition": "aws",
"QuickStartS3URL": "https://s3.amazonaws.com"
},
"ap-northeast-2": {
"Partition": "aws",
"QuickStartS3URL": "https://s3.amazonaws.com"
},
"ap-south-1": {
"Partition": "aws",
"QuickStartS3URL": "https://s3.amazonaws.com"
},
"ap-southeast-1": {
"Partition": "aws",
"QuickStartS3URL": "https://s3.amazonaws.com"
},
"ap-southeast-2": {
"Partition": "aws",
"QuickStartS3URL": "https://s3.amazonaws.com"
},
"eu-central-1": {
"Partition": "aws",
"QuickStartS3URL": "https://s3.amazonaws.com"
},
"eu-west-1": {
"Partition": "aws",
"QuickStartS3URL": "https://s3.amazonaws.com"
},
"sa-east-1": {
"Partition": "aws",
"QuickStartS3URL": "https://s3.amazonaws.com"
},
"us-east-1": {
"Partition": "aws",
"QuickStartS3URL": "https://s3.amazonaws.com"
},
"us-east-2": {
"Partition": "aws",
"QuickStartS3URL": "https://s3.amazonaws.com"
},
"us-gov-west-1": {
"Partition": "aws-us-gov",
"QuickStartS3URL": "https://s3-us-gov-west-1.amazonaws.com"
},
"us-west-1": {
"Partition": "aws",
"QuickStartS3URL": "https://s3.amazonaws.com"
},
"us-west-2": {
"Partition": "aws",
"QuickStartS3URL": "https://s3.amazonaws.com"
}
}
},
"Conditions": {
"3AZCondition": {
"Fn::Or": [
{
"Fn::Equals": [
{
"Ref": "NumberOfAZs"
},
"3"
]
},
{
"Condition": "4AZCondition"
}
]
},
"4AZCondition": {
"Fn::Equals": [
{
"Ref": "NumberOfAZs"
},
"4"
]
},
"AdditionalPrivateSubnetsCondition": {
"Fn::Equals": [
{
"Ref": "CreateAdditionalPrivateSubnets"
},
"true"
]
},
"AdditionalPrivateSubnets&3AZCondition": {
"Fn::And": [
{
"Condition": "AdditionalPrivateSubnetsCondition"
},
{
"Condition": "3AZCondition"
}
]
},
"AdditionalPrivateSubnets&4AZCondition": {
"Fn::And": [
{
"Condition": "AdditionalPrivateSubnetsCondition"
},
{
"Condition": "4AZCondition"
}
]
},
"NATInstanceCondition": {
"Fn::Or": [
{
"Fn::Equals": [
{
"Ref": "AWS::Region"
},
"us-gov-west-1"
]
},
{
"Fn::Equals": [
{
"Ref": "AWS::Region"
},
"cn-north-1"
]
}
]
},
"NATGatewayCondition": {
"Fn::Not": [
{
"Condition": "NATInstanceCondition"
}
]
},
"NATGateway&3AZCondition": {
"Fn::And": [
{
"Condition": "NATGatewayCondition"
},
{
"Condition": "3AZCondition"
}
]
},
"NATGateway&4AZCondition": {
"Fn::And": [
{
"Condition": "NATGatewayCondition"
},
{
"Condition": "4AZCondition"
}
]
},
"NVirginiaRegionCondition": {
"Fn::Equals": [
{
"Ref": "AWS::Region"
},
"us-east-1"
]
},
"VPCEndpointCondition": {
"Fn::Not": [
{
"Fn::Or": [
{
"Fn::Equals": [
{
"Ref": "AWS::Region"
},
"us-gov-west-1"
]
},
{
"Fn::Equals": [
{
"Ref": "AWS::Region"
},
"cn-north-1"
]
}
]
}
]
}
},
"Resources": {
"DHCPOptions": {
"Type": "AWS::EC2::DHCPOptions",
"Properties": {
"DomainName": {
"Fn::If": [
"NVirginiaRegionCondition",
"ec2.internal",
{
"Fn::Join": [
"",
[
{
"Ref": "AWS::Region"
},
".compute.internal"
]
]
}
]
},
"DomainNameServers": [
"AmazonProvidedDNS"
]
}
},
"VPC": {
"Type": "AWS::EC2::VPC",
"Properties": {
"CidrBlock": {
"Ref": "VPCCIDR"
},
"EnableDnsSupport": "true",
"EnableDnsHostnames": "true",
"Tags": [
{
"Key": "Name",
"Value": {
"Ref": "AWS::StackName"
}
}
]
}
},
"VPCDHCPOptionsAssociation": {
"Type": "AWS::EC2::VPCDHCPOptionsAssociation",
"Properties": {
"VpcId": {
"Ref": "VPC"
},
"DhcpOptionsId": {
"Ref": "DHCPOptions"
}
}
},
"InternetGateway": {
"Type": "AWS::EC2::InternetGateway",
"Properties": {
"Tags": [
{
"Key": "Network",
"Value": "Public"
}
]
}
},
"VPCGatewayAttachment": {
"Type": "AWS::EC2::VPCGatewayAttachment",
"Properties": {
"VpcId": {
"Ref": "VPC"
},
"InternetGatewayId": {
"Ref": "InternetGateway"
}
}
},
"PrivateSubnet1A": {
"Type": "AWS::EC2::Subnet",
"Properties": {
"VpcId": {
"Ref": "VPC"
},
"CidrBlock": {
"Ref": "PrivateSubnet1ACIDR"
},
"AvailabilityZone": {
"Fn::Select": [
"0",
{
"Ref": "AvailabilityZones"
}
]
},
"Tags": [
{
"Key": "Name",
"Value": "Private subnet 1A"
},
{
"Key": "Network",
"Value": "Private"
}
]
}
},
"PrivateSubnet1B": {
"Condition": "AdditionalPrivateSubnetsCondition",
"Type": "AWS::EC2::Subnet",
"Properties": {
"VpcId": {
"Ref": "VPC"
},
"CidrBlock": {
"Ref": "PrivateSubnet1BCIDR"
},
"AvailabilityZone": {
"Fn::Select": [
"0",
{
"Ref": "AvailabilityZones"
}
]
},
"Tags": [
{
"Key": "Name",
"Value": "Private subnet 1B"
},
{
"Key": "Network",
"Value": "Private"
}
]
}
},
"PrivateSubnet2A": {
"Type": "AWS::EC2::Subnet",
"Properties": {
"VpcId": {
"Ref": "VPC"
},
"CidrBlock": {
"Ref": "PrivateSubnet2ACIDR"
},
"AvailabilityZone": {
"Fn::Select": [
"1",
{
"Ref": "AvailabilityZones"
}
]
},
"Tags": [
{
"Key": "Name",
"Value": "Private subnet 2A"
},
{
"Key": "Network",
"Value": "Private"
}
]
}
},
"PrivateSubnet2B": {
"Condition": "AdditionalPrivateSubnetsCondition",
"Type": "AWS::EC2::Subnet",
"Properties": {
"VpcId": {
"Ref": "VPC"
},
"CidrBlock": {
"Ref": "PrivateSubnet2BCIDR"
},
"AvailabilityZone": {
"Fn::Select": [
"1",
{
"Ref": "AvailabilityZones"
}
]
},
"Tags": [
{
"Key": "Name",
"Value": "Private subnet 2B"
},
{
"Key": "Network",
"Value": "Private"
}
]
}
},
"PrivateSubnet3A": {
"Condition": "3AZCondition",
"Type": "AWS::EC2::Subnet",
"Properties": {
"VpcId": {
"Ref": "VPC"
},
"CidrBlock": {
"Ref": "PrivateSubnet3ACIDR"
},
"AvailabilityZone": {
"Fn::Select": [
"2",
{
"Ref": "AvailabilityZones"
}
]
},
"Tags": [
{
"Key": "Name",
"Value": "Private subnet 3A"
},
{
"Key": "Network",
"Value": "Private"
}
]
}
},
"PrivateSubnet3B": {
"Condition": "AdditionalPrivateSubnets&3AZCondition",
"Type": "AWS::EC2::Subnet",
"Properties": {
"VpcId": {
"Ref": "VPC"
},
"CidrBlock": {
"Ref": "PrivateSubnet3BCIDR"
},
"AvailabilityZone": {
"Fn::Select": [
"2",
{
"Ref": "AvailabilityZones"
}
]
},
"Tags": [
{
"Key": "Name",
"Value": "Private subnet 3B"
},
{
"Key": "Network",
"Value": "Private"
}
]
}
},
"PrivateSubnet4A": {
"Condition": "4AZCondition",
"Type": "AWS::EC2::Subnet",
"Properties": {
"VpcId": {
"Ref": "VPC"
},
"CidrBlock": {
"Ref": "PrivateSubnet4ACIDR"
},
"AvailabilityZone": {
"Fn::Select": [
"3",
{
"Ref": "AvailabilityZones"
}
]
},
"Tags": [
{
"Key": "Name",
"Value": "Private subnet 4A"
},
{
"Key": "Network",
"Value": "Private"
}
]
}
},
"PrivateSubnet4B": {
"Condition": "AdditionalPrivateSubnets&4AZCondition",
"Type": "AWS::EC2::Subnet",
"Properties": {
"VpcId": {
"Ref": "VPC"
},
"CidrBlock": {
"Ref": "PrivateSubnet4BCIDR"
},
"AvailabilityZone": {
"Fn::Select": [
"3",
{
"Ref": "AvailabilityZones"
}
]
},
"Tags": [
{
"Key": "Name",
"Value": "Private subnet 4B"
},
{
"Key": "Network",
"Value": "Private"
}
]
}
},
"PublicSubnet1": {
"Type": "AWS::EC2::Subnet",
"Properties": {
"VpcId": {
"Ref": "VPC"
},
"CidrBlock": {
"Ref": "PublicSubnet1CIDR"
},
"AvailabilityZone": {
"Fn::Select": [
"0",
{
"Ref": "AvailabilityZones"
}
]
},
"Tags": [
{
"Key": "Name",
"Value": "Public subnet 1"
},
{
"Key": "Network",
"Value": "Public"
}
],
"MapPublicIpOnLaunch": true
}
},
"PublicSubnet2": {
"Type": "AWS::EC2::Subnet",
"Properties": {
"VpcId": {
"Ref": "VPC"
},
"CidrBlock": {
"Ref": "PublicSubnet2CIDR"
},
"AvailabilityZone": {
"Fn::Select": [
"1",
{
"Ref": "AvailabilityZones"
}
]
},
"Tags": [
{
"Key": "Name",
"Value": "Public subnet 2"
},
{
"Key": "Network",
"Value": "Public"
}
],
"MapPublicIpOnLaunch": true
}
},
"PublicSubnet3": {
"Condition": "3AZCondition",
"Type": "AWS::EC2::Subnet",
"Properties": {
"VpcId": {
"Ref": "VPC"
},
"CidrBlock": {
"Ref": "PublicSubnet3CIDR"
},
"AvailabilityZone": {
"Fn::Select": [
"2",
{
"Ref": "AvailabilityZones"
}
]
},
"Tags": [
{
"Key": "Name",
"Value": "Public subnet 3"
},
{
"Key": "Network",
"Value": "Public"
}
],
"MapPublicIpOnLaunch": true
}
},
"PublicSubnet4": {
"Condition": "4AZCondition",
"Type": "AWS::EC2::Subnet",
"Properties": {
"VpcId": {
"Ref": "VPC"
},
"CidrBlock": {
"Ref": "PublicSubnet4CIDR"
},
"AvailabilityZone": {
"Fn::Select": [
"3",
{
"Ref": "AvailabilityZones"
}
]
},
"Tags": [
{
"Key": "Name",
"Value": "Public subnet 4"
},
{
"Key": "Network",
"Value": "Public"
}
],
"MapPublicIpOnLaunch": true
}
},
"PrivateSubnet1ARouteTable": {
"Type": "AWS::EC2::RouteTable",
"Properties": {
"VpcId": {
"Ref": "VPC"
},
"Tags": [
{
"Key": "Name",
"Value": "Private subnet 1A"
},
{
"Key": "Network",
"Value": "Private"
}
]
}
},
"PrivateSubnet1ARoute": {
"Type": "AWS::EC2::Route",
"Properties": {
"RouteTableId": {
"Ref": "PrivateSubnet1ARouteTable"
},
"DestinationCidrBlock": "0.0.0.0/0",
"NatGatewayId": {
"Ref": "NATGateway1"
}
}
},
"PrivateSubnet1ARouteTableAssociation": {
"Type": "AWS::EC2::SubnetRouteTableAssociation",
"Properties": {
"SubnetId": {
"Ref": "PrivateSubnet1A"
},
"RouteTableId": {
"Ref": "PrivateSubnet1ARouteTable"
}
}
},
"PrivateSubnet2ARouteTable": {
"Type": "AWS::EC2::RouteTable",
"Properties": {
"VpcId": {
"Ref": "VPC"
},
"Tags": [
{
"Key": "Name",
"Value": "Private subnet 2A"
},
{
"Key": "Network",
"Value": "Private"
}
]
}
},
"PrivateSubnet2ARoute": {
"Type": "AWS::EC2::Route",
"Properties": {
"RouteTableId": {
"Ref": "PrivateSubnet2ARouteTable"
},
"DestinationCidrBlock": "0.0.0.0/0",
"NatGatewayId": {
"Ref": "NATGateway2"
}
}
},
"PrivateSubnet2ARouteTableAssociation": {
"Type": "AWS::EC2::SubnetRouteTableAssociation",
"Properties": {
"SubnetId": {
"Ref": "PrivateSubnet2A"
},
"RouteTableId": {
"Ref": "PrivateSubnet2ARouteTable"
}
}
},
"PrivateSubnet3ARouteTable": {
"Condition": "3AZCondition",
"Type": "AWS::EC2::RouteTable",
"Properties": {
"VpcId": {
"Ref": "VPC"
},
"Tags": [
{
"Key": "Name",
"Value": "Private subnet 3A"
},
{
"Key": "Network",
"Value": "Private"
}
]
}
},
"PrivateSubnet3ARoute": {
"Condition": "3AZCondition",
"Type": "AWS::EC2::Route",
"Properties": {
"RouteTableId": {
"Ref": "PrivateSubnet3ARouteTable"
},
"DestinationCidrBlock": "0.0.0.0/0",
"NatGatewayId": {
"Ref": "NATGateway3"
}
}
},
"PrivateSubnet3ARouteTableAssociation": {
"Condition": "3AZCondition",
"Type": "AWS::EC2::SubnetRouteTableAssociation",
"Properties": {
"SubnetId": {
"Ref": "PrivateSubnet3A"
},
"RouteTableId": {
"Ref": "PrivateSubnet3ARouteTable"
}
}
},