heat1

heat_template_version: 2016-10-14
# starting from Newton you can can use the date key or label "newton"
# The key with value 2016-10-14 or newton indicates that the YAML document is a HOT template and it
# may contain features added and/or removed up until the Newton release.
# image: { get_param: [ env_data, image , get_param: [ env ] ] }
# - subnet_id: { get_param: [ env_data, private_subnet_id, get_param: [ env ] ] }
# floating_network_id: { { get_param: [ env_data, public_subnet_id, get_param: [ env ] ]}
# inspired from https://keithtenzer.com/2016/05/09/openstack-heat-and-ansible-automation-born-in-the-cloud/
description: Heat template for generic Nova instance

parameters:
   private_net_id:
      type: string
   image:
      type: string
   private_subnet_id:
      type: string
   public_subnet_id:
      type: string
   server_name:
      type: string
      description: Name of server
      default: wordpress1
   key_name:
      type: string
      description: SSH key to connect to the servers
      default: admin
   flavor:
      type: string
      description: flavor used by the servers
      default: m1.medium
   security_groups:
      type: string
      description: security groups for ansible tower
      default: [ default ]
   tower_host_config_key:
      type: string
      description: ansible tower API key
      default: 57344eaf880fcdc81686197d18d0759a
   tower_private_ip:
      type: string
      description: ansible tower private IP
      default: 10.4.0.16   

resources:
   bootable_volume:
      type: OS::Cinder::Volume
      properties:
         size: 30
         image: rhel-7.3-35.x86_64_v2
   tower_call_back:
      type: OS::Heat::SoftwareConfig
      # https://docs.openstack.org/developer/heat/template_guide/openstack.html#OS::Heat::SoftwareConfig
      properties:
         group: ungrouped
         config: 
           str_replace:
              template: |
                 #!/bin/bash -v
                 curl -k --data "host_config_key=tower_host_config_key" https://tower_ip:443/api/v1/job_templates/9/callback/
              params:
                    tower_ip: { get_param: tower_private_ip }
                    tower_host_config_key: { get_param: tower_host_config_key }

   cloudconfig:
      type: OS::Heat::CloudConfig
      properties:
            cloud_config:
               manage_resolv_conf: true
               resolv_conf:
                  nameservers: ['10.3.4.7', '8.8.8.8']
                  searchdomains:
                     - cwrtech.local
                  domain: cwrtech.local
   post_work:
      type: OS::Heat::MultipartMime
      properties:
            parts:
               - config: { get_resource: cloudconfig }
               - config: { get_resource: tower_call_back }
   webserver:
      type: OS::Nova::Server
      properties:
         name: { get_param: server_name }
         flavor: { get_param: flavor }
         key_name: { get_param: key_name }
         image: { get_param: image }
         networks:
            - port: { get_resource: server_port }
         block_device_mapping:
             - device_name: vda
               volume_id: { get_resource: bootable_volume }
               delete_on_termination: false
         user_data_format: RAW
         user_data:       
            get_resource: post_work

   server_port:
      type: OS::Neutron::Port
      properties:
         network_id: { get_param: private_net_id }
         fixed_ips:
            - subnet_id: { get_param: private_subnet_id }
         security_groups: [ { get_param: security_groups } ]

outputs:
  server_private_ip:
    description: IP address of server on private network
    value: { get_attr: [ webserver, first_address ] }