cfn-templates/master.json at master · sgran/cfn-templates · GitHub

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{
    "AWSTemplateFormatVersion" : "2010-09-09",
    "Description" : "Top level template for my sample App",
    "Mappings" : {
        "InstanceTypes": {
            "CODE": {
                "Web" : "m1.small",
                "App" : "m1.small"
            }
            "PROD": {
                "Web" : "m1.medium",
                "App" : "m1.large"
            }
        },
        "SubnetRanges": {
            "CODE": {
                "CidrPrivateA": "10.248.0.96/27",
                "CidrPrivateB": "10.248.0.128/27",
                "CidrPrivateC": "10.248.0.160/27",
                "CidrPublicA" : "10.248.0.0/27",
                "CidrPublicB" : "10.248.0.32/27",
                "CidrPublicC" : "10.248.0.64/27",
                "CidrVPC"     : "10.248.0.0/24"
            },
            "PROD": {
                "CidrPrivateA": "10.248.1.96/27",
                "CidrPrivateB": "10.248.1.128/27",
                "CidrPrivateC": "10.248.1.160/27",
                "CidrPublicA" : "10.248.1.0/27",
                "CidrPublicB" : "10.248.1.32/27",
                "CidrPublicC" : "10.248.1.64/27",
                "CidrVPC"     : "10.248.1.0/24"
            }
        }
    },
    "Parameters" : {
        "Stage": {
            "Type": "String",
            "AllowedValues" : [ "CODE", "PROD" ],
            "Default" : "CODE"
        }
    },
    "Resources" : {
        "MySampleVPC": {
           "Type" : "AWS::CloudFormation::Stack",
           "Properties" : {
              "TemplateURL" : "http://s3.amazonaws.com/mybbucket/vpc.json",
              "Parameters" : {
                  "CidrPrivateA": { "Fn::FindInMap" : [ "SubnetRanges", { "Ref" : "Stage" }, "CidrPrivateA" ] },
                  "CidrPrivateB": { "Fn::FindInMap" : [ "SubnetRanges", { "Ref" : "Stage" }, "CidrPrivateB" ] },
                  "CidrPrivateC": { "Fn::FindInMap" : [ "SubnetRanges", { "Ref" : "Stage" }, "CidrPrivateC" ] },
                  "CidrPublicA" : { "Fn::FindInMap" : [ "SubnetRanges", { "Ref" : "Stage" }, "CidrPublicA" ] },
                  "CidrPublicB" : { "Fn::FindInMap" : [ "SubnetRanges", { "Ref" : "Stage" }, "CidrPublicB" ] },
                  "CidrPublicC" : { "Fn::FindInMap" : [ "SubnetRanges", { "Ref" : "Stage" }, "CidrPublicC" ] },
                  "CidrVPC"     : { "Fn::FindInMap" : [ "SubnetRanges", { "Ref" : "Stage" }, "CidrVPC" ] }
              }
           }
        },
        "MySampleWeb": {
           "Type" : "AWS::CloudFormation::Stack",
           "Properties" : {
              "TemplateURL" : "http://s3.amazonaws.com/mybbucket/web.json",
              "Parameters" : {
		  "Stage"   : { "Ref": "Stage" },
                  "CidrA"   : { "Fn::FindInMap" : [ "SubnetRanges", { "Ref" : "Stage" }, "CidrPublicA" ] },
                  "CidrB"   : { "Fn::FindInMap" : [ "SubnetRanges", { "Ref" : "Stage" }, "CidrPublicB" ] },
                  "CidrC"   : { "Fn::FindInMap" : [ "SubnetRanges", { "Ref" : "Stage" }, "CidrPublicC" ] },
                  "SubnetA" : { "Fn::GetAtt" : [ "MySampleVPC", "Outputs.CidrPublicA" ] },
                  "SubnetB" : { "Fn::GetAtt" : [ "MySampleVPC", "Outputs.CidrPublicB" ] },
                  "SubnetC" : { "Fn::GetAtt" : [ "MySampleVPC", "Outputs.CidrPublicC" ] },
                  "DefaultSecGroup": { "Fn::GetAtt" : [ "MySampleVPC", "Outputs.CidrPublicC" ] },
                  "AppPort": "80",
                  "InstanceType": { "Fn::FindInMap" : [ "InstanceTypes", { "Ref" : "Stage" }, "Web" ] },
                  "BackendELB": { "Fn::GetAtt" : [ "MySampleApp", "Outputs.LoadBalancerDNSName" ] },
		  "BackendPort": "8080"
            }
        },
        "MySampleApp": {
           "Type" : "AWS::CloudFormation::Stack",
           "Properties" : {
              "TemplateURL" : "http://s3.amazonaws.com/mybbucket/app.json",
              "Parameters" : {
		  "Stage"   : { "Ref": "Stage" },
                  "CidrA"   : { "Fn::FindInMap" : [ "SubnetRanges", { "Ref" : "Stage" }, "CidrPrivateA" ] },
                  "CidrB"   : { "Fn::FindInMap" : [ "SubnetRanges", { "Ref" : "Stage" }, "CidrPrivateB" ] },
                  "CidrC"   : { "Fn::FindInMap" : [ "SubnetRanges", { "Ref" : "Stage" }, "CidrPrivateC" ] },
                  "SubnetA" : { "Fn::GetAtt" : [ "MySampleVPC", "Outputs.CidrPrivateA" ] },
                  "SubnetB" : { "Fn::GetAtt" : [ "MySampleVPC", "Outputs.CidrPrivateB" ] },
                  "SubnetC" : { "Fn::GetAtt" : [ "MySampleVPC", "Outputs.CidrPrivateC" ] },
                  "DefaultSecGroup": { "Fn::GetAtt" : [ "MySampleVPC", "Outputs.CidrPublicC" ] },
                  "AppPort": "8080",
              }
           }
        }
    }
}