{
  "AWSTemplateFormatVersion" : "2010-09-09",

  "Description" : "AWS CloudFormation Template to create vWLC instance with required resources and assign a public IP that can be used to access the instance over the internet. This templates requires two separate subnets for service and management port in the same VPC",

  "Parameters" : {
    "InstanceType" : {
      "Description" : "vWLC EC2 instance type",
      "Type" : "String",
      "Default" : "c3.large",
      "AllowedValues" : [ "m4.large", "m4.xlarge", "m4.2xlarge", "m4.4xlarge", "m4.10xlarge", "c3.large", "c3.xlarge", "c3.2xlarge", "c3.4xlarge", "c3.8xlarge", "c4.large", "c4.xlarge", "c4.2xlarge", "c4.4xlarge", "c4.8xlarge", "r3.large", "r3.xlarge", "r3.2xlarge", "r3.4xlarge", "r3.8xlarge", "i2.xlarge", "i2.2xlarge", "i2.4xlarge", "i2.8xlarge", "d2.xlarge", "d2.2xlarge", "d2.4xlarge", "d2.8xlarge"],
      "ConstraintDescription" : "must be a valid SRIOv EC2 instance type."
    },

    "VpcId" : {
      "Type" : "AWS::EC2::VPC::Id",
      "Description" : "VpcId of your existing Virtual Private Cloud (VPC)",
      "ConstraintDescription" : "must be the VPC Id of an existing Virtual Private Cloud."
    },

    "Eth0SubnetId" : {
      "Type" : "AWS::EC2::Subnet::Id",
      "Description" : "SubnetId of an existing subnet (for the service port) in your Virtual Private Cloud (VPC)",
      "ConstraintDescription" : "must be an existing subnet in the selected Virtual Private Cloud."
    },

    "Eth1SubnetId" : {
      "Type" : "AWS::EC2::Subnet::Id",
      "Description" : "SubnetId of an existing subnet (for the management port) in your Virtual Private Cloud (VPC)",
      "ConstraintDescription" : "must be an existing subnet in the selected Virtual Private Cloud."
    },

    "SecurityGroup" : {
      "Type" : "AWS::EC2::SecurityGroup::Id",
      "Description" : "SecurityGroupId of on existing group (VPC)",
      "ConstraintDescription" : "must be an existing subnet in the selected Virtual Private Cloud."
    }
  },

  "Mappings" : {
    "AWSRegion2AMI" : {
      "us-west-1"        : {"AMI" : "ami-14a9f774"}

    }
  },

  "Resources" : {

    "EIP1" :  {
      "Type" : "AWS::EC2::EIP",
      "Properties" : {
        "Domain" : "vpc"
      }
    },

    "EIPAssoc1" : {
      "Type" : "AWS::EC2::EIPAssociation",
      "Properties" : {
        "NetworkInterfaceId" : { "Ref" : "Eth1" },
        "AllocationId" : { "Fn::GetAtt" : ["EIP1", "AllocationId"] },
        "PrivateIpAddress" : { "Fn::GetAtt" : ["Eth1", "PrimaryPrivateIpAddress" ] }
      }
    },

    "EC2Instance" : {
      "Type" : "AWS::EC2::Instance",
      "Properties" : {
        "InstanceType" : { "Ref" : "InstanceType" },
        "ImageId" : { "Fn::FindInMap" : [ "AWSRegion2AMI", { "Ref" : "AWS::Region" }, "AMI" ]},
        "NetworkInterfaces" : [ {
          "NetworkInterfaceId" : {"Ref" : "Eth0" },
          "DeviceIndex" : "0"
        },
        {
          "NetworkInterfaceId" : {"Ref" : "Eth1" },
          "DeviceIndex" : "1"
        }],
        "Tags"     : [ {"Key" : "Name", "Value" : "vWLC" } ]
      }
    },

    "Eth0" : {
      "Type" : "AWS::EC2::NetworkInterface",
      "Properties" : {
        "Description"     : "eth0",
        "GroupSet"        : [ { "Ref" : "SecurityGroup" } ],
        "SourceDestCheck" : "true",
        "SubnetId"        : { "Ref" : "Eth0SubnetId" },
        "Tags"            : [ {"Key" : "Name", "Value" : "Interface 0"}, {"Key" : "Interface", "Value" : "eth0"} ]
      }
     },

    "Eth1" : {
      "Type" : "AWS::EC2::NetworkInterface",
      "Properties" : {
        "Description"     : "eth1",
        "GroupSet"        : [ { "Ref" : "SecurityGroup" } ],
        "SourceDestCheck" : "true",
        "SubnetId"        : { "Ref" : "Eth1SubnetId" },
        "Tags"            : [ {"Key" : "Name", "Value" : "Interface 1"}, {"Key" : "Interface", "Value" : "eth1"} ]
       }
      }
    },
  

  "Outputs" : {
    "InstanceId" : {
      "Value" : { "Ref" : "EC2Instance" },
      "Description" : "Instance Id of newly created instance"
    },
    "EIP1" : {
      "Value" : { "Fn::Join" : [" ", [ "IP address", { "Ref" : "EIP1" }, "on subnet", {"Ref" : "Eth1SubnetId"}]]},
      "Description" : "Primary public IP address for Eth1"
    },
    "PrimaryPrivateIPAddress" : {
      "Value" : { "Fn::Join" : [" ", [ "IP address", { "Fn::GetAtt" : ["Eth1", "PrimaryPrivateIpAddress"] }, "on subnet", {"Ref" : "Eth1SubnetId"}]]},
      "Description" : "Primary private IP address of Eth1"
    }
  }
}