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##########################################################################
#
#==================LICENSE_START==========================================
# 
#
# Copyright (c) 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 a vDNS for ONAP (scaling-up scenario)

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

parameters:
  vlb_image_name:
    type: string
    label: Image name or ID
    description: Image to be used for compute instance
  vlb_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
  vlb_private_net_id:
    type: string
    label: vLoadBalancer private network name or ID
    description: Private network that connects vLoadBalancer with vDNSs
  onap_private_net_id:
    type: string
    label: ONAP management network name or ID
    description: Private network that connects ONAP component and the VNF
  onap_private_subnet_id:
    type: string
    label: ONAP management sub-network name or ID
    description: Private sub-network that connects ONAP component and the VNF
  vlb_private_net_cidr:
    type: string
    label: vLoadBalancer private network CIDR
    description: The CIDR of the vLoadBalancer private network
  onap_private_net_cidr:
    type: string
    label: ONAP private network CIDR
    description: The CIDR of the protected private network
  vlb_private_ip_0:
    type: string
    label: vLoadBalancer private IP address towards the private network
    description: Private IP address that is assigned to the vLoadBalancer to communicate with the vDNSs
  vlb_private_ip_1:
    type: string
    label: vLoadBalancer private IP address towards the ONAP management network
    description: Private IP address that is assigned to the vLoadBalancer to communicate with ONAP components
  vlb_private_ip_2:
    type: string
    label: vLoadBalancer private IP address towards the vPacketGen network
    description: Private IP address that is assigned to the vLoadBalancer to communicate with vPacketGen
  vdns_private_ip_0:
    type: string
    label: vDNS private IP address towards the private network
    description: Private IP address that is assigned to the vDNS to communicate with the vLoadBalancer
  vdns_private_ip_1:
    type: string
    label: vDNS private IP address towards the ONAP management network
    description: Private IP address that is assigned to the vDNS to communicate with ONAP components
  vdns_name_0:
    type: string
    label: vDNS name
    description: Name of the vDNS
  vnf_id:
    type: string
    label: VNF ID
    description: The VNF ID is provided by ONAP
  vf_module_id:
    type: string
    label: vFirewall module ID
    description: The vLoadBalancer Module ID is provided by ONAP
  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
  repo_url_artifacts:
    type: string
    label: Repository URL
    description: URL of the repository that hosts the demo packages
  install_script_version:
    type: string
    label: Installation script version number
    description: Version number of the scripts that install the vFW demo app
  nb_api_version:
    type: string
    label: Northbound API version
    description: Version number of the health check and config APIs
  cloud_env:
    type: string
    label: Cloud environment
    description: Cloud environment (e.g., openstack, rackspace)
  nexus_artifact_repo:
    type: string
    description: Root URL for the Nexus repository for Maven artifacts.
    default: "https://nexus.onap.org"
  sec_group:
    type: string
    description: ONAP Security Group

#############
#           #
# 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

  vdns_2_private_0_port:
    type: OS::Neutron::Port
    properties:
      network: { get_param: vlb_private_net_id }
      fixed_ips: [{"subnet": { get_param: vlb_private_net_id }, "ip_address": { get_param: vdns_private_ip_0 }}]
      security_groups:
      - { get_param: sec_group }

  vdns_2_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: vdns_private_ip_1 }}]
      security_groups:
      - { get_param: sec_group }

  vdns_2:
    type: OS::Nova::Server
    properties:
      image: { get_param: vlb_image_name }
      flavor: { get_param: vlb_flavor_name }
      name: { get_param: vdns_name_0 }
      key_name: { get_resource: my_keypair }
      networks:
        - network: { get_param: public_net_id }
        - port: { get_resource: vdns_2_private_0_port }
        - port: { get_resource: vdns_2_private_1_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:
            __lb_oam_int__: { get_param: vlb_private_ip_1 }
            __lb_private_ipaddr__: { get_param: vlb_private_ip_0 }
            __lb_to_pktgen_if__: { get_param: vlb_private_ip_2}
            __local_private_ipaddr__: { get_param: vdns_private_ip_0 }
            __oam_private_ipaddr__: { get_param: vdns_private_ip_1 }
            __repo_url_artifacts__: { get_param: repo_url_artifacts }
            __nb_api_version__: { get_param: nb_api_version }
            __install_script_version__: { get_param: install_script_version }
            __vlb_private_net_cidr__: { get_param: vlb_private_net_cidr }
            __onap_private_net_cidr__: { get_param: onap_private_net_cidr }
            __cloud_env__: { get_param: cloud_env }
            __nexus_artifact_repo__: { get_param: nexus_artifact_repo }
          template: |
            #!/bin/bash

            # Create configuration files
            mkdir /opt/config
            echo "__lb_oam_int__" > /opt/config/lb_oam_int.txt
            echo "__lb_private_ipaddr__" > /opt/config/lb_private_ipaddr.txt
            echo "__lb_to_pktgen_if__" > /opt/config/lb_to_pktgen_if.txt
            echo "__local_private_ipaddr__" > /opt/config/local_private_ipaddr.txt
            echo "__oam_private_ipaddr__" > /opt/config/oam_private_ipaddr.txt
            echo "__repo_url_artifacts__" > /opt/config/repo_url_artifacts.txt
            echo "__nb_api_version__" > /opt/config/nb_api_version.txt
            echo "__install_script_version__" > /opt/config/install_script_version.txt
            echo "__vlb_private_net_cidr__" > /opt/config/vlb_private_net_cidr.txt
            echo "__onap_private_net_cidr__" > /opt/config/onap_private_net_cidr.txt
            echo "__cloud_env__" > /opt/config/cloud_env.txt
            echo "__nexus_artifact_repo__" > /opt/config/nexus_artifact_repo.txt

            # Download and run install script
            apt-get -y install unzip
            if [[ "__install_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.vlbms&a=vlbms-scripts&e=zip&v=__install_script_version__" -o /opt/vlbms-scripts-__install_script_version__.zip
            unzip -j /opt/vlbms-scripts-__install_script_version__.zip -d /opt v_dns_install.sh
            cd /opt
            chmod +x v_dns_install.sh
            ./v_dns_install.sh