heat_template_version: wallaby

description: >
  OpenStack containerized Designate MiniDNS service

parameters:
  ContainerDesignateMDNSImage:
    description: image
    type: string
    tags:
      - role_specific
  ContainerDesignateConfigImage:
    description: The container image to use for the designate config_volume
    type: string
    tags:
      - role_specific
  EndpointMap:
    default: {}
    description: Mapping of service endpoint -> protocol. Typically set
                 via parameter_defaults in the resource registry.
    type: json
  ServiceData:
    default: {}
    description: Dictionary packing service data
    type: json
  ServiceNetMap:
    default: {}
    description: Mapping of service_name -> network name. Typically set
                 via parameter_defaults in the resource registry. Use
                 parameter_merge_strategies to merge it with the defaults.
    type: json
  EnableSQLAlchemyCollectd:
    type: boolean
    description: >
        Set to true to enable the SQLAlchemy-collectd server plugin
    default: false
  RoleName:
    default: ''
    description: Role name on which the service is applied
    type: string
  RoleParameters:
    default: {}
    description: Parameters specific to the role
    type: json
  MonitoringSubscriptionDesignateMiniDNS:
    default: 'overcloud-designate-mdns'
    type: string
  DesignateWorkers:
    default: 0
    description: Number of workers for Designate services.
    type: number
  DesignatePassword:
    description: The password for the Designate's database account.
    type: string
    hidden: true
  DesignateMdnsProxyBasePort:
    description: Configure the base port for the MiniDNS proxy endpoints
                 on the external/public access network.
    type: number
    default: 16000

conditions:
  designate_workers_zero: {equals : [{get_param: DesignateWorkers}, 0]}
  enable_sqlalchemy_collectd: {equals : [{get_param: EnableSQLAlchemyCollectd}, true]}
  is_ipv6:
    equals:
      - {get_param: [ServiceData, net_ip_version_map, {get_param: [ServiceNetMap, DesignateMdnsNetwork]}]}
      - 6

resources:

  ContainersCommon:
    type: ../containers-common.yaml

  MySQLClient:
    type: ../database/mysql-client.yaml

  DesignateBase:
    type: ./designate-base.yaml
    properties:
      EndpointMap: {get_param: EndpointMap}
      ServiceData: {get_param: ServiceData}
      ServiceNetMap: {get_param: ServiceNetMap}
      RoleName: {get_param: RoleName}
      RoleParameters: {get_param: RoleParameters}

  RoleParametersValue:
    type: OS::Heat::Value
    properties:
      type: json
      value:
        map_replace:
          - map_replace:
            - ContainerDesignateMDNSImage: ContainerDesignateMDNSImage
              ContainerDesignateConfigImage: ContainerDesignateConfigImage
            - values: {get_param: [RoleParameters]}
          - values:
              ContainerDesignateMDNSImage: {get_param: ContainerDesignateMDNSImage}
              ContainerDesignateConfigImage: {get_param: ContainerDesignateConfigImage}

outputs:
  role_data:
    description: Role data for the Designate MDNS role.
    value:
      service_name: designate_mdns
      firewall_rules:
        map_merge:
          - '142 designate_mdns udp':
              extras:
                ensure: absent
            '143 designate_mdns tcp':
              extras:
                ensure: absent
          - map_merge:
              repeat:
                for_each:
                  <% net_cidr %>: {get_param: [ServiceData, net_cidr_map, {get_param: [ServiceNetMap, DesignateMdnsNetwork]}]}
                template:
                  '142 designate_mdns udp <% net_cidr %>':
                    proto: 'udp'
                    source: <% net_cidr %>
                    dport:
                      - 5354
                  '143 designate_mdns tcp <% net_cidr %>':
                    proto: 'tcp'
                    source: <% net_cidr %>
                    dport:
                      - 5354
      firewall_frontend_rules:
        '100 designate_mdns proxies':
          proto: 'tcp'
          dport:
            - str_replace:
                template: STARTPORT:{{ STARTPORT - 1 + (groups['designate_mdns'] | default([]) | length) }}
                params:
                  STARTPORT: {get_param: DesignateMdnsProxyBasePort}
      monitoring_subscription: {get_param: MonitoringSubscriptionDesignateMiniDNS}
      config_settings:
        map_merge:
          - get_attr: [DesignateBase, role_data, config_settings]
          - designate::mdns::listen:
              if:
              - is_ipv6
              - str_replace:
                  template:
                    "[%{hiera('$NETWORK')}]:5354"
                  params:
                    $NETWORK: {get_param: [ServiceNetMap, DesignateMdnsNetwork]}
              - str_replace:
                  template:
                    "%{hiera('$NETWORK')}:5354"
                  params:
                    $NETWORK: {get_param: [ServiceNetMap, DesignateMdnsNetwork]}
          - designate::db::database_connection:
              make_url:
                scheme: {get_param: [EndpointMap, MysqlInternal, protocol]}
                username: designate
                password: {get_param: DesignatePassword}
                host: {get_param: [EndpointMap, MysqlInternal, host]}
                path: /designate
                query:
                  if:
                    - enable_sqlalchemy_collectd
                    -
                        read_default_file: /etc/my.cnf.d/tripleo.cnf
                        read_default_group: tripleo
                        plugin: collectd
                        collectd_program_name: designate_mdns
                        collectd_host: localhost
                    -
                        read_default_file: /etc/my.cnf.d/tripleo.cnf
                        read_default_group: tripleo
          -
            if:
            - designate_workers_zero
            - {}
            - designate::mdns::workers: {get_param: DesignateWorkers}
      service_config_settings:
        mysql:
          designate::db::mysql::password: {get_param: DesignatePassword}
          designate::db::mysql::user: designate
          designate::db::mysql::host: '%'
          designate::db::mysql::dbname: designate
        haproxy:
          haproxy::designate_mdns_proxy_baseport: {get_param: DesignateMdnsProxyBasePort}
      # BEGIN DOCKER SETTINGS
      puppet_config:
        config_volume: designate
        puppet_tags: designate_config
        step_config:
          list_join:
            - "\n"
            - - {get_attr: [DesignateBase, role_data, step_config]}
              - "include tripleo::profile::base::designate::mdns"
              - {get_attr: [MySQLClient, role_data, step_config]}
        config_image: {get_attr: [RoleParametersValue, value, ContainerDesignateConfigImage]}
      kolla_config:
        /var/lib/kolla/config_files/designate_mdns.json:
          command: /usr/bin/designate-mdns --config-file=/etc/designate/designate.conf --log-file=/var/log/designate/mdns.log
          config_files:
            - source: "/var/lib/kolla/config_files/src/*"
              dest: "/"
              merge: true
              preserve_properties: true
          permissions:
            - path: /var/log/designate
              owner: designate:designate
              recurse: true
      docker_config:
        step_4:
          designate_mdns:
            image: &designate_mdns_image {get_attr: [RoleParametersValue, value, ContainerDesignateMDNSImage]}
            net: host
            privileged: false
            restart: always
            stop_grace_period: 300
            healthcheck:
              test: /openstack/healthcheck
            volumes:
              list_concat:
                - {get_attr: [ContainersCommon, volumes]}
                -
                  - /run:/run
                  - /var/lib/kolla/config_files/designate_mdns.json:/var/lib/kolla/config_files/config.json:ro
                  - /var/lib/config-data/puppet-generated/designate:/var/lib/kolla/config_files/src:ro
                  - /var/log/containers/designate:/var/log/designate:z
            environment:
              KOLLA_CONFIG_STRATEGY: COPY_ALWAYS
      host_prep_tasks:
        - name: create persistent directories
          file:
            path: "{{ item.path }}"
            state: directory
            setype: "{{ item.setype }}"
            mode: "{{ item.mode|default(omit) }}"
          with_items:
            - { 'path': /var/log/designate, 'setype': container_file_t }
            - { 'path': /var/log/containers/designate, 'setype': container_file_t, 'mode': '0750' }