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##########################################################################
#
#==================LICENSE_START==========================================
#
#
# Copyright 2017 AT&T Intellectual Property. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#        http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
#==================LICENSE_END============================================
#
# ECOMP is a trademark and service mark of AT&T Intellectual Property.
#
##########################################################################

heat_template_version: 2013-05-23

description: Heat template to deploy vCPE vGateway (vG)

##############
#            #
# PARAMETERS #
#            #
##############

parameters:
  vcpe_image_name:
    type: string
    label: Image name or ID
    description: Image to be used for compute instance
  vcpe_flavor_name:
    type: string
    label: Flavor
    description: Type of instance (flavor) to be used
  public_net_id:
    type: string
    label: Public network name or ID
    description: Public network that enables remote connection to VNF
  mux_gw_private_net_id:
    type: string
    label: vGMUX private network name or ID
    description: Private network that connects vGMUX to vGWs
  mux_gw_private_subnet_id:
    type: string
    label: vGMUX private sub-network name or ID
    description: vGMUX private sub-network name or ID
  mux_gw_private_net_cidr:
    type: string
    label: vGMUX private network CIDR
    description: The CIDR of the vGMUX private network
  onap_private_net_id:
    type: string
    label: ONAP management network name or ID
    description: Private network that connects ONAP components and the VNF
  onap_private_subnet_id:
    type: string
    label: ONAP management sub-network name or ID
    description: Private sub-network that connects ONAP components and the VNF
  onap_private_net_cidr:
    type: string
    label: ONAP private network CIDR
    description: The CIDR of the protected private network
  cpe_public_net_id:
    type: string
    label: vCPE network that emulates internetmanagement name or ID
    description: Private network that connects vGW to emulated internet
  cpe_public_subnet_id:
    type: string
    label: vCPE Public subnet
    description: vCPE Public subnet
  cpe_public_net_cidr:
    type: string
    label: vCPE public network CIDR
    description: The CIDR of the vCPE public
  vgw_private_ip_0:
    type: string
    label: vGW private IP address towards the vGMUX
    description: Private IP address that is assigned to the vGW to communicate with vGMUX
  vgw_private_ip_1:
    type: string
    label: vGW private IP address towards the ONAP management network
    description: Private IP address that is assigned to the vGW to communicate with ONAP components
  ## VPP will use DHCP to get the vgw_private_ip_2 on the CPE_PUBLIC  subnet
  #vgw_private_ip_2:
  #  type: string
  #  label: vGW private IP address towards the vCPE public network
  #  description: Private IP address that is assigned to the vGW to communicate with vCPE public network
  vgw_name_0:
    type: string
    label: vGW  name
    description: Name of the vGW
  vnf_id:
    type: string
    label: VNF ID
    description: The VNF ID is provided by ONAP
  vf_module_id:
    type: string
    label: vCPE module ID
    description: The vCPE Module ID is provided by ONAP
  dcae_collector_ip:
    type: string
    label: DCAE collector IP address
    description: IP address of the DCAE collector
  dcae_collector_port:
    type: string
    label: DCAE collector port
    description: Port of the DCAE collector
  key_name:
    type: string
    label: Key pair name
    description: Public/Private key pair name
  pub_key:
    type: string
    label: Public key
    description: Public key to be installed on the compute instance
  script_version:
    type: string
    label: Script version number
    description: Version number of the scripts that install the vGW
  nexus_artifact_repo:
    type: string
    description: Root URL for the Nexus repository for Maven artifacts.
    default: "https://nexus.onap.org"
  cloud_env:
    type: string
    label: Cloud environment
    description: Cloud environment (e.g., openstack, rackspace)
  mux_ip_addr:
    type: string
    label: vGMUX IP address
    description: IP address of vGMUX
  vg_vgmux_tunnel_vni:
    type: number
    label: vG-vGMUX tunnel vni
    description: vni value of vG-vGMUX vxlan tunnel

#############
#           #
# RESOURCES #
#           #
#############

resources:

  random-str:
    type: OS::Heat::RandomString
    properties:
      length: 4

  my_keypair:
    type: OS::Nova::KeyPair
    properties:
      name:
        str_replace:
          template: base_rand
          params:
            base: { get_param: key_name }
            rand: { get_resource: random-str }
      public_key: { get_param: pub_key }
      save_private_key: false

  # Virtual GW Instantiation
  vgw_private_0_port:
    type: OS::Neutron::Port
    properties:
      network: { get_param: mux_gw_private_net_id }
      fixed_ips: [{"subnet": { get_param: mux_gw_private_subnet_id }, "ip_address": { get_param: vgw_private_ip_0 }}]

  vgw_private_1_port:
    type: OS::Neutron::Port
    properties:
      network: { get_param: onap_private_net_id }
      fixed_ips: [{"subnet": { get_param: onap_private_subnet_id }, "ip_address": { get_param: vgw_private_ip_1 }}]

  vgw_private_2_port:
    type: OS::Neutron::Port
    properties:
      network: { get_param: cpe_public_net_id}
      fixed_ips: [{"subnet": { get_param: cpe_public_subnet_id }}]
      ##fixed_ips: [{"subnet": { get_param: cpe_public_subnet_id }, "ip_address": { get_param: vgw_private_ip_2 }}]

  vgw_0:
    type: OS::Nova::Server
    properties:
      image: { get_param: vcpe_image_name }
      flavor: { get_param: vcpe_flavor_name }
      name: { get_param: vgw_name_0 }
      key_name: { get_resource: my_keypair }
      networks:
        - network: { get_param: public_net_id }
        - port: { get_resource: vgw_private_0_port }
        - port: { get_resource: vgw_private_1_port }
        - port: { get_resource: vgw_private_2_port }
      metadata: {vnf_id: { get_param: vnf_id }, vf_module_id: { get_param: vf_module_id }}
      user_data_format: RAW
      user_data:
        str_replace:
          params:
            __mux_gw_private_net_ipaddr__: { get_param: vgw_private_ip_0 }
            __oam_ipaddr__: { get_param: vgw_private_ip_1 }
            __oam_cidr__: { get_param: onap_private_net_cidr }
            __cpe_public_net_cidr__: { get_param: cpe_public_net_cidr }
            __mux_gw_private_net_cidr__: { get_param: mux_gw_private_net_cidr }
            __script_version__: { get_param: script_version }
            __cloud_env__: { get_param: cloud_env }
            __mux_ip_addr__: { get_param: mux_ip_addr }
            __vg_vgmux_tunnel_vni__: { get_param: vg_vgmux_tunnel_vni }
            __nexus_artifact_repo__: { get_param: nexus_artifact_repo }
          template: |
            #!/bin/bash

            # Create configuration files
            mkdir /opt/config
            echo "__oam_ipaddr__" > /opt/config/oam_ipaddr.txt
            echo "__oam_cidr__" > /opt/config/oam_cidr.txt
            echo "__cpe_public_net_cidr__" > /opt/config/cpe_public_net_cidr.txt
            echo "__mux_gw_private_net_ipaddr__" > /opt/config/mux_gw_private_net_ipaddr.txt
            echo "__mux_gw_private_net_cidr__" > /opt/config/mux_gw_private_net_cidr.txt
            echo "__script_version__" > /opt/config/script_version.txt
            echo "__cloud_env__" > /opt/config/cloud_env.txt
            echo "__mux_ip_addr__" > /opt/config/mux_ip_addr.txt
            echo "__vg_vgmux_tunnel_vni__" > /opt/config/vg_vgmux_tunnel_vni.txt
            echo "__nexus_artifact_repo__" > /opt/config/nexus_artifact_repo.txt

            # Download and run install script
            apt-get update
            apt-get -y install unzip
            if [[ "__script_version__" =~ "SNAPSHOT" ]]; then REPO=snapshots; else REPO=releases; fi
            curl -k -L "__nexus_artifact_repo__/service/local/artifact/maven/redirect?r=${REPO}&g=org.onap.demo.vnf.vcpe&a=vcpe-scripts&e=zip&v=__script_version__" -o /opt/vcpe-scripts-__script_version__.zip
            unzip -j /opt/vcpe-scripts-__script_version__.zip -d /opt v_gw_install.sh
            cd /opt
            chmod +x v_gw_install.sh
            ./v_gw_install.sh