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heat_template_version: pike

description: >
  MySQL service deployment using puppet

parameters:
  DockerNamespace:
    description: namespace
    default: 'tripleoupstream'
    type: string
  DockerMysqlImage:
    description: image
    default: 'centos-binary-mariadb:latest'
    type: string
  EndpointMap:
    default: {}
    description: Mapping of service endpoint -> protocol. Typically set
                 via parameter_defaults in the resource registry.
    type: json
  ServiceNetMap:
    default: {}
    description: Mapping of service_name -> network name. Typically set
                 via parameter_defaults in the resource registry.  This
                 mapping overrides those in ServiceNetMapDefaults.
    type: json
  DefaultPasswords:
    default: {}
    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
  MysqlRootPassword:
    type: string
    hidden: true
    default: ''

resources:

  MysqlPuppetBase:
    type: ../../../puppet/services/database/mysql.yaml
    properties:
      EndpointMap: {get_param: EndpointMap}
      ServiceNetMap: {get_param: ServiceNetMap}
      DefaultPasswords: {get_param: DefaultPasswords}
      RoleName: {get_param: RoleName}
      RoleParameters: {get_param: RoleParameters}

outputs:
  role_data:
    description: Containerized service MySQL using composable services.
    value:
      service_name: {get_attr: [MysqlPuppetBase, role_data, service_name]}
      config_settings:
        map_merge:
          - {get_attr: [MysqlPuppetBase, role_data, config_settings]}
          # Set PID file to what kolla mariadb bootstrap script expects
          - tripleo::profile::base::database::mysql::mysql_server_options:
              mysqld:
                pid-file: /var/lib/mysql/mariadb.pid
              mysqld_safe:
                pid-file: /var/lib/mysql/mariadb.pid
      step_config: &step_config
        list_join:
          - "\n"
          - - "['Mysql_datadir', 'Mysql_user', 'Mysql_database', 'Mysql_grant', 'Mysql_plugin'].each |String $val| { noop_resource($val) }"
            - {get_attr: [MysqlPuppetBase, role_data, step_config]}
      # BEGIN DOCKER SETTINGS #
      puppet_config:
        config_volume: mysql
        puppet_tags: file # set this even though file is the default
        step_config: *step_config
        config_image: &mysql_image
          list_join:
            - '/'
            - [ {get_param: DockerNamespace}, {get_param: DockerMysqlImage} ]
      kolla_config:
        /var/lib/kolla/config_files/mysql.json:
          command: /usr/bin/mysqld_safe
          permissions:
            - path: /var/lib/mysql
              owner: mysql:mysql
              recurse: true
      docker_config:
        # Kolla_bootstrap runs before permissions set by kolla_config
        step_2:
          mysql_init_logs:
            start_order: 0
            image: *mysql_image
            privileged: false
            user: root
            volumes:
              - /var/log/containers/mysql:/var/log/mariadb
            command: ['/bin/bash', '-c', 'chown -R mysql:mysql /var/log/mariadb']
          mysql_bootstrap:
            start_order: 1
            detach: false
            image: *mysql_image
            net: host
            # Kolla bootstraps aren't idempotent, explicitly checking if bootstrap was done
            command: ['bash', '-c', 'test -e /var/lib/mysql/mysql || kolla_start']
            volumes: &mysql_volumes
              - /var/lib/kolla/config_files/mysql.json:/var/lib/kolla/config_files/config.json
              - /var/lib/config-data/mysql/etc/my.cnf.d:/etc/my.cnf.d:ro
              - /etc/localtime:/etc/localtime:ro
              - /etc/hosts:/etc/hosts:ro
              - /var/lib/mysql:/var/lib/mysql
              - /var/log/containers/mysql:/var/log/mariadb
            environment:
              - KOLLA_CONFIG_STRATEGY=COPY_ALWAYS
              - KOLLA_BOOTSTRAP=True
              # NOTE(mandre) skip wsrep cluster status check
              - KOLLA_KUBERNETES=True
              -
                list_join:
                  - '='
                  - - 'DB_ROOT_PASSWORD'
                    -
                      yaql:
                        expression: $.data.passwords.where($ != '').first()
                        data:
                          passwords:
                            - {get_param: MysqlRootPassword}
                            - {get_param: [DefaultPasswords, mysql_root_password]}
          mysql:
            start_order: 2
            image: *mysql_image
            restart: always
            net: host
            volumes: *mysql_volumes
            environment:
              - KOLLA_CONFIG_STRATEGY=COPY_ALWAYS
      docker_puppet_tasks:
        # MySQL database initialization occurs only on single node
        step_2:
          config_volume: 'mysql_init_tasks'
          puppet_tags: 'mysql_database,mysql_grant,mysql_user'
          step_config: 'include ::tripleo::profile::base::database::mysql'
          config_image: *mysql_image
          volumes:
            - /var/lib/mysql:/var/lib/mysql/:ro
            - /var/log/containers/mysql:/var/log/mariadb
            - /var/lib/config-data/mysql/root:/root:ro #provides .my.cnf
      host_prep_tasks:
        - name: create persistent directories
          file:
            path: "{{ item }}"
            state: directory
          with_items:
            - /var/log/containers/mysql
            - /var/lib/mysql
      upgrade_tasks:
        - name: Stop and disable mysql service
          tags: step2
          service: name=mariadb state=stopped enabled=no