heat_template_version: queens

description: >
  MySQL service deployment using puppet

parameters:
  DockerMysqlImage:
    description: image
    type: string
  DockerMysqlConfigImage:
    description: The container image to use for the mysql config_volume
    type: string
  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.  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: ''
  EnableInternalTLS:
    type: boolean
    default: false
  InternalTLSCAFile:
    default: '/etc/ipa/ca.crt'
    type: string
    description: Specifies the default CA cert to use if TLS is used for
                 services in the internal network.
  MigrateLegacyNeutronDb:
    type: boolean
    description: Used to rename the undercloud database from neutron to ovs_neutron.
    default: false

conditions:

  internal_tls_enabled: {equals: [{get_param: EnableInternalTLS}, true]}

resources:

  MysqlPuppetBase:
    type: ../../../puppet/services/database/mysql.yaml
    properties:
      EndpointMap: {get_param: EndpointMap}
      ServiceData: {get_param: ServiceData}
      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
      logging_source: {get_attr: [MysqlPuppetBase, role_data, logging_source]}
      logging_groups: {get_attr: [MysqlPuppetBase, role_data, logging_groups]}
      # BEGIN DOCKER SETTINGS #
      puppet_config:
        config_volume: mysql
        puppet_tags: file # set this even though file is the default
        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]}
        config_image: &mysql_config_image {get_param: DockerMysqlConfigImage}
      kolla_config:
        /var/lib/kolla/config_files/mysql.json:
          command: /usr/bin/mysqld_safe
          config_files:
            - source: "/var/lib/kolla/config_files/src/*"
              dest: "/"
              merge: true
              preserve_properties: true
            - source: "/var/lib/kolla/config_files/src-tls/*"
              dest: "/"
              merge: true
              preserve_properties: true
              optional: true
          permissions:
            - path: /var/lib/mysql
              owner: mysql:mysql
              recurse: true
            - path: /etc/pki/tls/certs/mysql.crt
              owner: mysql:mysql
              optional: true
            - path: /etc/pki/tls/private/mysql.key
              owner: mysql:mysql
              optional: true
      docker_config:
        # Kolla_bootstrap runs before permissions set by kolla_config
        step_1:
          mysql_init_logs:
            image: &mysql_image {get_param: DockerMysqlImage}
            privileged: false
            user: root
            volumes:
              - /var/log/containers/mysql:/var/log/mariadb
              - /var/lib/mysql:/var/lib/mysql
            command: ['/bin/bash', '-c', 'chown -R mysql:mysql /var/log/mariadb /var/lib/mysql']
        step_2:
          mysql_bootstrap:
            start_order: 1
            detach: false
            image: *mysql_image
            net: host
            user: root
            # Kolla bootstraps aren't idempotent, explicitly checking if bootstrap was done
            command:
              - 'bash'
              - '-ecx'
              -
                list_join:
                  - "\n"
                  - - 'if [ -e /var/lib/mysql/mysql ]; then exit 0; fi'
                    - 'echo -e "\n[mysqld]\nwsrep_provider=none" >> /etc/my.cnf'
                    - 'sudo -u mysql -E kolla_start'
                    - 'mysqld_safe --skip-networking --wsrep-on=OFF &'
                    - 'timeout ${DB_MAX_TIMEOUT} /bin/bash -c ''until mysqladmin -uroot -p"${DB_ROOT_PASSWORD}" ping 2>/dev/null; do sleep 1; done'''
                    - 'mysql -uroot -p"${DB_ROOT_PASSWORD}" -e "CREATE USER ''mysql''@''localhost'';"'
                    - 'mysql -uroot -p"${DB_ROOT_PASSWORD}" -e "REVOKE ALL PRIVILEGES, GRANT OPTION FROM ''mysql''@''localhost'';"'
                    - 'timeout ${DB_MAX_TIMEOUT} mysqladmin -uroot -p"${DB_ROOT_PASSWORD}" shutdown'
            volumes: &mysql_volumes
              list_concat:
              -
                - /var/lib/kolla/config_files/mysql.json:/var/lib/kolla/config_files/config.json
                - /var/lib/config-data/puppet-generated/mysql/:/var/lib/kolla/config_files/src:ro
                - /etc/localtime:/etc/localtime:ro
                - /etc/hosts:/etc/hosts:ro
                - /var/lib/mysql:/var/lib/mysql
                - /var/log/containers/mysql:/var/log/mariadb
              - if:
                - internal_tls_enabled
                -
                  - list_join:
                    - ':'
                    - - {get_param: InternalTLSCAFile}
                      - {get_param: InternalTLSCAFile}
                      - 'ro'
                  - /etc/pki/tls/certs/mysql.crt:/var/lib/kolla/config_files/src-tls/etc/pki/tls/certs/mysql.crt:ro
                  - /etc/pki/tls/private/mysql.key:/var/lib/kolla/config_files/src-tls/etc/pki/tls/private/mysql.key:ro
                - null
            environment:
              - KOLLA_CONFIG_STRATEGY=COPY_ALWAYS
              - KOLLA_BOOTSTRAP=True
              - DB_MAX_TIMEOUT=60
              -
                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
            healthcheck:
              test: /openstack/healthcheck
            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_config_image
          volumes:
            list_concat:
            -
              - /var/lib/mysql:/var/lib/mysql/:rw
              - /var/log/containers/mysql:/var/log/mariadb
              - /var/lib/config-data/mysql/root:/root:ro #provides .my.cnf
            - if:
              - internal_tls_enabled
              -
                - list_join:
                  - ':'
                  - - {get_param: InternalTLSCAFile}
                    - {get_param: InternalTLSCAFile}
                    - 'ro'
                - /etc/pki/tls/certs/mysql.crt:/var/lib/kolla/config_files/src-tls/etc/pki/tls/certs/mysql.crt:ro
                - /etc/pki/tls/private/mysql.key:/var/lib/kolla/config_files/src-tls/etc/pki/tls/private/mysql.key:ro
              - null
      metadata_settings:
        get_attr: [MysqlPuppetBase, role_data, metadata_settings]
      host_prep_tasks:
        - name: create persistent directories
          file:
            path: "{{ item }}"
            state: directory
          with_items:
            - /var/log/containers/mysql
            - /var/lib/mysql
        - name: mysql logs readme
          copy:
            dest: /var/log/mariadb/readme.txt
            content: |
              Log files from mysql containers can be found under
              /var/log/containers/mysql.
          ignore_errors: true
        # https://bugs.launchpad.net/tripleo/+bug/1753247
        - name: Rename old neutron database to ovs_neutron
          shell: >
            if [ -d /var/lib/mysql/neutron ] ; then
              mysql -e "CREATE DATABASE IF NOT EXISTS \`ovs_neutron\`;"
              for table in `mysql -B -N -e "SHOW TABLES;" neutron`
                do
                  mysql -e "RENAME TABLE \`neutron\`.\`$table\` to \`ovs_neutron\`.\`$table\`"
                done
              mysql -e "DROP DATABASE \`neutron\`;"
            fi
          become: true
          when: {get_param: MigrateLegacyNeutronDb}
          register: neutron_db_migration
        - name: Check if mysql service is deployed
          command: systemctl is-enabled --quiet mariadb
          ignore_errors: True
          register: mariadb_enabled
          when: {get_param: MigrateLegacyNeutronDb}
        - name: Stop and disable mysql service when undercloud is containerized
          when:
            - {get_param: MigrateLegacyNeutronDb}
            - mariadb_enabled.rc == 0
            - neutron_db_migration.rc == 0
          service: name=mariadb state=stopped enabled=no
      upgrade_tasks:
        - name: Check if mysql service is deployed
          command: systemctl is-enabled --quiet mariadb
          tags: common
          ignore_errors: True
          register: mariadb_enabled
        - name: "PreUpgrade step0,validation: Check if mysql service is running"
          command: systemctl is-active --quiet mariadb
          when:
            - step|int == 0
            - mariadb_enabled.rc == 0
          tags: validation
        - name: Stop and disable mysql service
          when:
            - step|int == 2
            - mariadb_enabled.rc == 0
          service: name=mariadb state=stopped enabled=no