heat_template_version: wallaby

description: >
  MySQL HA clustercheck service deployment using puppet
  This service is used by HAProxy in a HA scenario to report whether
  the local galera node is synced

parameters:
  ContainerClustercheckImage:
    description: image
    type: string
    tags:
      - role_specific
  ContainerClustercheckConfigImage:
    description: The container image to use for the clustercheck 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
  RoleName:
    default: ''
    description: Role name on which the service is applied
    type: string
  RoleParameters:
    default: {}
    description: Parameters specific to the role
    type: json
  ClustercheckListener:
    default: 'socat'
    description:  How to expose the clustercheck service over TCP
    type: string
    constraints:
    - allowed_values: ['socat', 'xinetd']

resources:

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

  MysqlPuppetBase:
    type: ../database/mysql-pacemaker-puppet.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:
            - ContainerClustercheckImage: ContainerClustercheckImage
              ContainerClustercheckConfigImage: ContainerClustercheckConfigImage
            - values: {get_param: [RoleParameters]}
          - values:
              ContainerClustercheckImage: {get_param: ContainerClustercheckImage}
              ContainerClustercheckConfigImage: {get_param: ContainerClustercheckConfigImage}

conditions:
  socat_listener: {equals: [{get_param: ClustercheckListener}, 'socat']}

outputs:
  role_data:
    description: Containerized service clustercheck using composable services.
    value:
      service_name: clustercheck
      config_settings:
        map_merge:
          - get_attr: [MysqlPuppetBase, role_data, config_settings]
          - tripleo::profile::pacemaker::clustercheck::bind_address:
              str_replace:
                template:
                  "%{hiera('$FQDN$NETWORK')}"
                params:
                  $FQDN: {if: ["socat_listener", "", "fqdn_"]}
                  $NETWORK: {get_param: [ServiceNetMap, MysqlNetwork]}
      # BEGIN DOCKER SETTINGS #
      puppet_config:
        config_volume: clustercheck
        puppet_tags: file # set this even though file is the default
        step_config: "include tripleo::profile::pacemaker::clustercheck"
        config_image: {get_attr: [RoleParametersValue, value, ContainerClustercheckConfigImage]}
      kolla_config:
        /var/lib/kolla/config_files/clustercheck.json:
          command:
            if:
            - socat_listener
            # Note: we can't quotes multiple parameters in kolla command, hence the workaround
            - bash -c $* -- eval source /etc/sysconfig/clustercheck; exec socat -T"${TRIPLEO_HEALTHCHECK_TIMEOUT:-2}" "$TRIPLEO_SOCAT_BIND" system:"grep -qPe \"^\\r\$\" && /usr/bin/clustercheck"
            - /usr/sbin/xinetd -dontfork
          config_files:
            - source: "/var/lib/kolla/config_files/src/*"
              dest: "/"
              merge: true
              preserve_properties: true
      docker_config:
        step_2:
          clustercheck:
            start_order: 1
            image: {get_attr: [RoleParametersValue, value, ContainerClustercheckImage]}
            restart: always
            net: host
            healthcheck:
              test: /openstack/healthcheck
            volumes:
              list_concat:
                - {get_attr: [ContainersCommon, volumes]}
                -
                  - /var/lib/kolla/config_files/clustercheck.json:/var/lib/kolla/config_files/config.json
                  - /var/lib/config-data/puppet-generated/clustercheck:/var/lib/kolla/config_files/src:ro
                  - /var/lib/mysql:/var/lib/mysql
            environment:
              KOLLA_CONFIG_STRATEGY: COPY_ALWAYS
      host_prep_tasks:
      upgrade_tasks:
      update_tasks:
        # Nothing: It's not managed by pacemaker, so let tripleo_container_manage do it.
      external_upgrade_tasks:
        - when:
            - step|int == 1
          tags:
            - never
            - system_upgrade_transfer_data
            - system_upgrade_stop_services
          block:
            - name: Stop clustercheck container
              import_role:
                name: tripleo_container_stop
              vars:
                tripleo_containers_to_stop:
                  - clustercheck
                tripleo_delegate_to: "{{ groups['clustercheck'] | difference(groups['excluded_overcloud']) }}"