sandbox.template

{
  "AWSTemplateFormatVersion": "2010-09-09",
  "Description": "Simple Sandbox VPC // NO NAT",

  "Metadata": {

    "Notes" : {

      "[ Parameters ]:" : "===================================================================================================================================",

        "ParameterEnvironment" : "What's in a name?  This template will refrence this value for tagging purposes.",

      "[ Mappings  ]:" : "====================================================================================================================================",
        
        "NetworkCIDRs" : "Easy customize the VPC CIDRs.  The defined default allows for the following:",
          "VPC"  : "172.21.0.0/22  HostMin: 172.21.0.1 , HostMax: 172.21.3.254 // 1022 Total Hosts",
          "EXT1" : "172.21.0.0/24  HostMin: 172.21.0.1 , HostMax: 172.21.0.254 // 254 total hosts",
          "EXT2" : "172.21.1.0/24  HostMin: 172.21.1.1 , HostMax: 172.21.1.254 // 254 total hosts",
          "INT1" : "172.21.2.0/24  HostMin: 172.21.2.1 , HostMax: 172.21.2.254 // 254 total hosts",
          "INT2" : "172.21.3.0/24  HostMin: 172.21.3.1 , HostMax: 172.21.3.254 // 254 total hosts",
      
      "[ Resources ]:" : "====================================================================================================================================",

        "InternetGateway"                 : "The [InternetGateway] gets attacted to the VPC to allow network trafic to the internet.",
        "Route"                           : "A route we define as 0.0.0.0/0 (everywhere) to forward to our [InternetGateway].",
        "RouteTableEXT1"                  : "A route-table we define and asscociate with [SubnetEXT1].",
        "RouteTableINT1"                  : "A route-table we define and asscociate with [SubnetINT1].",
        "RouteTableINT2"                  : "A route-table we define and asscociate with [SubnetINT2].",
        "SubnetEXT1"                      : "This subnet is created for the chosen from the returned 1st name a call to AWS::Region's AvailabilityZones (should equal INT1)",
        "SubnetEXT2"                      : "This subnet is created for the chosen from the returned 2nd name a call to AWS::Region's AvailabilityZones (should equal INT2)",
        "SubnetINT1"                      : "This subnet is created for the chosen from the returned 1st name a call to AWS::Region's AvailabilityZones (should equal EXT1)",
        "SubnetINT2"                      : "This subnet is created for the chosen from the returned 2nd name a call to AWS::Region's AvailabilityZones (should equal EXT2)",
        "SubnetRouteTableAssociationEXT1" : "Wire up [SubnetEXT1] with a refrence to route-table [RouteTableEXT1].",
        "SubnetRouteTableAssociationEXT2" : "Wire up [SubnetEXT2] with a refrence to route-table [RouteTableEXT1] (not a typo).",
        "SubnetRouteTableAssociationINT1" : "Wire up [SubnetINT1] with a refrence to route-table [RouteTableINT1].",
        "SubnetRouteTableAssociationINT2" : "Wire up [SubnetINT2] with a refrence to route-table [RouteTableINT2].",
        "VPC"                             : "Best to tag it with short name for easy console visibility.  Here the tag `Name` refrences the parameter `ParameterEnvironment`.",
        "VPCGatewayAttachment"            : "With [InternetGateway] defined, we attach it to the VPC we define, [VPC]"

      },

    "AWS::CloudFormation::Interface": {
      "ParameterGroups": [
        {
          "Label": {
            "default": "Environment VPC"
          },
          "Parameters": [
            "ParameterEnvironment"
          ]
        }
      ],
      "ParameterLabels": {
        "ParameterEnvironment": {
          "default": "Environment VPC Name"
        }
      }
    }
  },

  "Parameters": {

    "ParameterEnvironment": {
      "AllowedPattern" : "[a-zA-Z0-9]*",
      "ConstraintDescription": "Must parse by `[a-zA-Z0-9]*`",
      "Default" : "Sandbox",
      "Description": "Create a unique name to identify this environment by.",
      "MaxLength" : "16",
      "MinLength" : "3",
      "Type": "String"
    }

  },

  "Conditions" : {},

  "Mappings": {

    "NetworkCIDRs": {
      "VPC":  { "CIDR": "172.21.0.0/22" },
      "EXT1": { "CIDR": "172.21.0.0/24" },
      "EXT2": { "CIDR": "172.21.1.0/24" },
      "INT1": { "CIDR": "172.21.2.0/24" },
      "INT2": { "CIDR": "172.21.3.0/24" }
    }

  },

  "Resources": {

    "InternetGateway"                 : {"Type":"AWS::EC2::InternetGateway","Properties":{"Tags":[{"Key":"ServiceProvider","Value":"Rackspace"},{"Key":"VPC","Value":{ "Ref" : "ParameterEnvironment" }},{"Key":"Name","Value":"InternetGateway"}]}},
    "Route"                           : {"Type":"AWS::EC2::Route","Properties":{"RouteTableId":{"Ref":"RouteTableEXT1"},"DestinationCidrBlock":"0.0.0.0/0","GatewayId":{"Ref":"InternetGateway"}}},
    "RouteTableEXT1"                  : {"Type":"AWS::EC2::RouteTable","Properties":{"VpcId":{"Ref":"VPC"},"Tags":[{"Key":"ServiceProvider","Value":"Rackspace"},{"Key":"VPC","Value":{ "Ref" : "ParameterEnvironment" }},{"Key":"Name","Value":"RouteTableEXT1"}]}},
    "RouteTableINT1"                  : {"Type":"AWS::EC2::RouteTable","Properties":{"VpcId":{"Ref":"VPC"},"Tags":[{"Key":"ServiceProvider","Value":"Rackspace"},{"Key":"VPC","Value":{ "Ref" : "ParameterEnvironment" }},{"Key":"Name","Value":"RouteTableINT1"}]}},
    "RouteTableINT2"                  : {"Type":"AWS::EC2::RouteTable","Properties":{"VpcId":{"Ref":"VPC"},"Tags":[{"Key":"ServiceProvider","Value":"Rackspace"},{"Key":"VPC","Value":{ "Ref" : "ParameterEnvironment" }},{"Key":"Name","Value":"RouteTableINT2"}]}},
    "SubnetEXT1"                      : {"Type":"AWS::EC2::Subnet","Properties":{"VpcId":{"Ref":"VPC"},"AvailabilityZone":{"Fn::Select":["1",{"Fn::GetAZs":{"Ref":"AWS::Region"}}]},"CidrBlock":{"Fn::FindInMap":["NetworkCIDRs","EXT1","CIDR"]},"MapPublicIpOnLaunch":"True" ,"Tags":[{"Key":"ServiceProvider","Value":"Rackspace"},{"Key":"VPC","Value":{ "Ref" : "ParameterEnvironment" }},{"Key":"Name","Value":"SubnetEXT1"}]}},
    "SubnetEXT2"                      : {"Type":"AWS::EC2::Subnet","Properties":{"VpcId":{"Ref":"VPC"},"AvailabilityZone":{"Fn::Select":["2",{"Fn::GetAZs":{"Ref":"AWS::Region"}}]},"CidrBlock":{"Fn::FindInMap":["NetworkCIDRs","EXT2","CIDR"]},"MapPublicIpOnLaunch":"True" ,"Tags":[{"Key":"ServiceProvider","Value":"Rackspace"},{"Key":"VPC","Value":{ "Ref" : "ParameterEnvironment" }},{"Key":"Name","Value":"SubnetEXT2"}]}},
    "SubnetINT1"                      : {"Type":"AWS::EC2::Subnet","Properties":{"VpcId":{"Ref":"VPC"},"AvailabilityZone":{"Fn::Select":["1",{"Fn::GetAZs":{"Ref":"AWS::Region"}}]},"CidrBlock":{"Fn::FindInMap":["NetworkCIDRs","INT1","CIDR"]},"MapPublicIpOnLaunch":"False","Tags":[{"Key":"ServiceProvider","Value":"Rackspace"},{"Key":"VPC","Value":{ "Ref" : "ParameterEnvironment" }},{"Key":"Name","Value":"SubnetINT1"}]}},
    "SubnetINT2"                      : {"Type":"AWS::EC2::Subnet","Properties":{"VpcId":{"Ref":"VPC"},"AvailabilityZone":{"Fn::Select":["2",{"Fn::GetAZs":{"Ref":"AWS::Region"}}]},"CidrBlock":{"Fn::FindInMap":["NetworkCIDRs","INT2","CIDR"]},"MapPublicIpOnLaunch":"False","Tags":[{"Key":"ServiceProvider","Value":"Rackspace"},{"Key":"VPC","Value":{ "Ref" : "ParameterEnvironment" }},{"Key":"Name","Value":"SubnetINT2"}]}},
    "SubnetRouteTableAssociationEXT1" : {"Type":"AWS::EC2::SubnetRouteTableAssociation","Properties":{"SubnetId":{"Ref":"SubnetEXT1"},"RouteTableId":{"Ref":"RouteTableEXT1"}}},
    "SubnetRouteTableAssociationEXT2" : {"Type":"AWS::EC2::SubnetRouteTableAssociation","Properties":{"SubnetId":{"Ref":"SubnetEXT2"},"RouteTableId":{"Ref":"RouteTableEXT1"}}},
    "SubnetRouteTableAssociationINT1" : {"Type":"AWS::EC2::SubnetRouteTableAssociation","Properties":{"SubnetId":{"Ref":"SubnetINT1"},"RouteTableId":{"Ref":"RouteTableINT1"}}},
    "SubnetRouteTableAssociationINT2" : {"Type":"AWS::EC2::SubnetRouteTableAssociation","Properties":{"SubnetId":{"Ref":"SubnetINT2"},"RouteTableId":{"Ref":"RouteTableINT2"}}},
    "VPC"                             : {"Type":"AWS::EC2::VPC","Properties":{"CidrBlock":{"Fn::FindInMap":["NetworkCIDRs","VPC","CIDR"]},"EnableDnsSupport":"True","EnableDnsHostnames":"True","InstanceTenancy":"default","Tags":[{"Key":"ServiceProvider","Value":"Rackspace"},{"Key":"VPC","Value":{ "Ref" : "ParameterEnvironment" }},{"Key":"Name","Value":{ "Ref" : "ParameterEnvironment" }}]}},
    "VPCGatewayAttachment"            : {"Type":"AWS::EC2::VPCGatewayAttachment","Properties":{"InternetGatewayId":{"Ref":"InternetGateway"},"VpcId":{"Ref":"VPC"}}}

  },

  "Outputs": {

  }
}