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

  "Description" : "Creates new network, router, vpn sevrice and server. More details about VPN service you can find on wikipage: https://wiki.openstack.org/wiki/Neutron/VPNaaS/HowToInstall",

  "Parameters" : {

    "ExternalNetwork" : {
      "Default" : "public",
      "Description" : "External network name or id",
      "Type" : "String",
      "ConstraintDescription" : "must be a name or id of existing external network"
    },

    "ExternalGateway" : {
      "Default" : "172.24.4.233",
      "Description" : "External Gateway IP address",
      "Type" : "String",
      "ConstraintDescription" : "must be an IP address of external gateway"
    },

    "SubnetCidr" : {
      "Default" : "10.1.0.0/24",
      "Description" : "Subnet cidr",
      "Type" : "String",
      "ConstraintDescription" : "must be a cidr"
    },

    "SubnetPoolStart" : {
      "Default" : "10.1.0.10",
      "Description" : "Start of allocation pool for subnet",
      "Type" : "String",
      "ConstraintDescription" : "must be a valid IP address"
    },

    "SubnetPoolEnd" : {
      "Default" : "10.1.0.200",
      "Description" : "End of allocation pool for subnet",
      "Type" : "String",
      "ConstraintDescription" : "must be a valid IP address"
    },

    "VPNPeerCidr" : {
      "Default" : "10.2.0.0/24",
      "Description" : "Cidr for VPN peer",
      "Type" : "String",
      "ConstraintDescription" : "must be a valid cidr"
    },

    "KeyName" : {
       "Default" : "heat_key",
      "Description" : "Name of an existing EC2 KeyPair to enable SSH access to the instances",
      "Type" : "String"
    },

    "InstanceType" : {
      "Description" : "Server EC2 instance type",
      "Type" : "String",
      "Default" : "m1.small",
      "AllowedValues" : [ "m1.tiny", "m1.small", "m1.medium", "m1.large", "m1.xlarge" ],
      "ConstraintDescription" : "must be a valid EC2 instance type."
    },

    "LinuxDistribution": {
      "Default": "F17",
      "Description" : "Distribution of choice",
      "Type": "String",
      "AllowedValues" : [ "F17" ]
    }

  },

  "Mappings" : {
    "AWSInstanceType2Arch" : {
      "m1.tiny"   : { "Arch" : "32" },
      "m1.small"  : { "Arch" : "64" },
      "m1.medium" : { "Arch" : "64" },
      "m1.large"  : { "Arch" : "64" },
      "m1.xlarge" : { "Arch" : "64" }
    },
    "DistroArch2AMI": {
      "F17"      : { "32" : "F17-i386-cfntools", "64" : "F17-x86_64-cfntools" }
    }
  },

  "Resources" : {

    "Network": {
      "Type": "OS::Neutron::Net",
      "Properties": {
        "name": "My Network"
      }
    },

    "Subnet": {
      "Type": "OS::Neutron::Subnet",
      "Properties": {
        "name": "My Subnet",
        "network_id": { "Ref" : "Network" },
        "ip_version": 4,
        "cidr": { "Ref" : "SubnetCidr" },
        "dns_nameservers": ["8.8.8.8"],
        "allocation_pools": [ {
          "start": { "Ref" : "SubnetPoolStart" },
          "end": { "Ref" : "SubnetPoolEnd" }
          }
        ]
      }
    },

    "Router": {
      "Type": "OS::Neutron::Router",
      "Properties": {
        "name": "My Router"
      }
    },

    "RouterInterface": {
      "Type": "OS::Neutron::RouterInterface",
      "Properties": {
        "router_id": { "Ref" : "Router" },
        "subnet_id": { "Ref" : "Subnet" }
      }
    },

    "RouterGateway": {
      "Type": "OS::Neutron::RouterGateway",
      "Properties": {
        "router_id": { "Ref" : "Router" },
        "network_id": { "Ref" : "ExternalNetwork" }
      }
    },

    "VPNService" : {
      "Type" : "OS::Neutron::VPNService",
      "Properties" : {
        "name" : "VPNService",
        "description" : "My new VPN service",
        "admin_state_up" : true,
        "router_id" : { "Ref" : "Router" },
        "subnet_id" : { "Ref" : "Subnet" }
      }
    },

    "IKEPolicy" : {
      "Type" : "OS::Neutron::IKEPolicy",
      "Properties" : {
        "name" : "IKEPolicy",
        "description" : "My new IKE policy",
        "auth_algorithm" : "sha1",
        "encryption_algorithm" : "3des",
        "phase1_negotiation_mode" : "main",
        "lifetime" : {
            "units" : "seconds",
            "value" : 3600
        },
        "pfs" : "group5",
        "ike_version" : "v1"
      }
    },

    "IPsecPolicy" : {
      "Type" : "OS::Neutron::IPsecPolicy",
      "Properties" : {
        "name" : "IPsecPolicy",
        "description" : "My new IPsec policy",
        "transform_protocol": "esp",
        "encapsulation_mode" : "tunnel",
        "auth_algorithm" : "sha1",
        "encryption_algorithm" : "3des",
        "lifetime" : {
            "units" : "seconds",
            "value" : 3600
        },
        "pfs" : "group5"
      }
    },

    "IPsecSiteConnection" : {
      "Type" : "OS::Neutron::IPsecSiteConnection",
      "Properties" : {
        "name" : "IPsecSiteConnection",
        "description" : "My new VPN connection",
        "peer_address" : { "Ref" : "ExternalGateway" },
        "peer_id" : { "Ref" : "ExternalGateway" },
        "peer_cidrs" : [ { "Ref" : "VPNPeerCidr" } ],
        "mtu" : 1500,
        "dpd" : {
            "actions" : "hold",
            "interval" : 30,
            "timeout" : 120
        },
        "psk" : "secret",
        "initiator" : "bi-directional",
        "admin_state_up" : true,
        "ikepolicy_id" : { "Ref" : "IKEPolicy" },
        "ipsecpolicy_id" : { "Ref" : "IPsecPolicy" },
        "vpnservice_id" : { "Ref" : "VPNService" }
      }
    },

    "Server": {
      "Type": "AWS::EC2::Instance",
      "Properties": {
        "ImageId" : { "Fn::FindInMap" : [ "DistroArch2AMI", { "Ref" : "LinuxDistribution" },
                          { "Fn::FindInMap" : [ "AWSInstanceType2Arch", { "Ref" : "InstanceType" }, "Arch" ] } ] },
        "InstanceType" : { "Ref" : "InstanceType" },
        "KeyName"      : { "Ref" : "KeyName" },
        "SubnetId"     : { "Ref" : "Subnet" }
      }
    }
  },

  "Outputs" : {
    "ServerIPAddress" : {
      "Value" : { "Fn::GetAtt" : [ "Server", "PublicIp" ]},
      "Description" : "IP address of created server"
    }
  }
}