heat_template_version: wallaby

description: >
  OpenStack containerized Heat Engine service

parameters:
  ContainerHeatEngineImage:
    description: image
    type: string
  ContainerHeatConfigImage:
    description: The container image to use for the heat config_volume
    type: string
  HeatEngineLoggingSource:
    type: json
    default:
      tag: openstack.heat.engine
      file: /var/log/containers/heat/heat-engine.log
  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
  RoleName:
    default: ''
    description: Role name on which the service is applied
    type: string
  RoleParameters:
    default: {}
    description: Parameters specific to the role
    type: json
  DeployIdentifier:
    default: ''
    type: string
    description: >
      Setting this to a unique value will re-run any deployment tasks which
      perform configuration on a Heat stack-update.
  HeatEngineOptVolumes:
    default: []
    description: list of optional volumes to be mounted
    type: comma_delimited_list
  HeatEngineOptEnvVars:
    default: {}
    description: hash of optional environment variables
    type: json
  HeatEnableDBPurge:
    type: boolean
    default: true
    description: |
        Whether to create cron job for purging soft deleted rows in the Heat database.
  EnableSQLAlchemyCollectd:
    type: boolean
    description: >
        Set to true to enable the SQLAlchemy-collectd server plugin
    default: false
  HeatWorkers:
    default: 0
    description: Number of workers for Heat service.
    type: number
  HeatMaxNestedStackDepth:
    default: 6
    description: Maximum number of nested stack depth.
    type: number
  HeatReauthenticationAuthMethod:
    description: Allow reauthentication on token expiry, such that long-running tasks
                 may complete. Note this defeats the expiry of any provided user tokens.
    type: string
    default: ''
    constraints:
      - allowed_values: [ '', 'trusts' ]
  HeatPassword:
    description: The password for the Heat service and db account, used by the Heat services.
    type: string
    hidden: true
  HeatStackDomainAdminPassword:
    description: Password for heat_stack_domain_admin user.
    type: string
    hidden: true
  HeatAuthEncryptionKey:
    description: Auth encryption key for heat-engine
    type: string
    hidden: true
    default: ''
  MonitoringSubscriptionHeatEngine:
    default: 'overcloud-heat-engine'
    type: string
  HeatConvergenceEngine:
    type: boolean
    default: true
    description: Enables the heat engine with the convergence architecture.
  HeatMaxResourcesPerStack:
    type: number
    default: 1000
    description: Maximum resources allowed per top-level stack. -1 stands for unlimited.
  HeatEnginePluginDirs:
    type: comma_delimited_list
    default: []
    description: An array of directories to search for plug-ins.
  HeatConfigureDelegatedRoles:
    type: boolean
    default: false
    description: Create delegated roles
  ClientRetryLimit:
    type: number
    default: 2
    description: Client retries for transient errors.

conditions:
  heat_workers_set:
    not: {equals : [{get_param: HeatWorkers}, 0]}

resources:

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

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

  HeatBase:
    type: ./heat-base-puppet.yaml
    properties:
      EndpointMap: {get_param: EndpointMap}
      ServiceData: {get_param: ServiceData}
      ServiceNetMap: {get_param: ServiceNetMap}
      RoleName: {get_param: RoleName}
      RoleParameters: {get_param: RoleParameters}

  HeatEngineLogging:
    type: OS::TripleO::Services::Logging::HeatEngine

outputs:
  role_data:
    description: Role data for the Heat Engine role.
    value:
      service_name: heat_engine
      monitoring_subscription: {get_param: MonitoringSubscriptionHeatEngine}
      config_settings:
        map_merge:
          - get_attr: [HeatBase, role_data, config_settings]
          - apache::default_vhost: false
            heat::engine::configure_delegated_roles: {get_param: HeatConfigureDelegatedRoles}
            heat::engine::trusts_delegated_roles: []
            heat::engine::max_nested_stack_depth: {get_param: HeatMaxNestedStackDepth}
            heat::engine::max_resources_per_stack: {get_param: HeatMaxResourcesPerStack}
            heat::engine::reauthentication_auth_method: {get_param: HeatReauthenticationAuthMethod}
            heat::engine::heat_metadata_server_url:
              make_url:
                scheme: {get_param: [EndpointMap, HeatCfnPublic, protocol]}
                host: {get_param: [EndpointMap, HeatCfnPublic, host]}
                port: {get_param: [EndpointMap, HeatCfnPublic, port]}
            heat::engine::heat_waitcondition_server_url:
              make_url:
                scheme: {get_param: [EndpointMap, HeatCfnPublic, protocol]}
                host: {get_param: [EndpointMap, HeatCfnPublic, host]}
                port: {get_param: [EndpointMap, HeatCfnPublic, port]}
                path: /v1/waitcondition
            heat::engine::convergence_engine: {get_param: HeatConvergenceEngine}
            heat::engine::client_retry_limit: {get_param: ClientRetryLimit}
            tripleo::profile::base::heat::manage_db_purge: {get_param: HeatEnableDBPurge}
            heat::database_connection:
              make_url:
                scheme: {get_param: [EndpointMap, MysqlInternal, protocol]}
                username: heat
                password: {get_param: HeatPassword}
                host: {get_param: [EndpointMap, MysqlInternal, host]}
                path: /heat
                query:
                  if:
                    - {get_param: EnableSQLAlchemyCollectd}
                    - read_default_file: /etc/my.cnf.d/tripleo.cnf
                      read_default_group: tripleo
                      plugin: collectd
                      collectd_program_name: heat
                      collectd_host: localhost
                    - read_default_file: /etc/my.cnf.d/tripleo.cnf
                      read_default_group: tripleo

            heat::keystone_ec2_uri:
              list_join:
              - ''
              - - {get_param: [EndpointMap, KeystoneV3Internal, uri]}
                - '/ec2tokens'
            heat::keystone::domain::domain_password: {get_param: HeatStackDomainAdminPassword}
            heat::engine::auth_encryption_key: {get_param: HeatAuthEncryptionKey}
            heat::engine::plugin_dirs: {get_param: HeatEnginePluginDirs}
          - if:
            - heat_workers_set
            - heat::engine::num_engine_workers: {get_param: HeatWorkers}
      service_config_settings:
        rsyslog:
          tripleo_logging_sources_heat_engine:
            - {get_param: HeatEngineLoggingSource}
        mysql:
          heat::db::mysql::password: {get_param: HeatPassword}
          heat::db::mysql::user: heat
          heat::db::mysql::host: {get_param: [EndpointMap, MysqlInternal, host_nobrackets]}
          heat::db::mysql::dbname: heat
          heat::db::mysql::allowed_hosts:
            - '%'
            - "%{hiera('mysql_bind_host')}"
      # BEGIN DOCKER SETTINGS
      puppet_config:
        config_volume: heat
        puppet_tags: heat_config,file,concat,file_line
        step_config:
          list_join:
            - "\n"
            - - include tripleo::profile::base::heat::engine
              - {get_attr: [MySQLClient, role_data, step_config]}
        config_image: {get_param: ContainerHeatConfigImage}
      kolla_config:
        /var/lib/kolla/config_files/heat_engine.json:
          command:
            list_join:
            - ' '
            - - /usr/bin/heat-engine --config-file /usr/share/heat/heat-dist.conf --config-file /etc/heat/heat.conf
              - get_attr: [HeatEngineLogging, cmd_extra_args]
          config_files:
            - source: "/var/lib/kolla/config_files/src/*"
              dest: "/"
              merge: true
              preserve_properties: true
          permissions:
            - path: /var/log/heat
              owner: heat:heat
              recurse: true
      docker_config:
        # db sync runs before permissions set by kolla_config
        step_2:
          get_attr: [HeatEngineLogging, docker_config, step_2]
        step_3:
          heat_engine_db_sync:
            image: &heat_engine_image {get_param: ContainerHeatEngineImage}
            net: host
            privileged: false
            detach: false
            user: root
            volumes:
              list_concat:
                - {get_attr: [ContainersCommon, volumes]}
                - {get_attr: [HeatEngineLogging, volumes]}
                -
                  - /var/lib/config-data/heat/etc/my.cnf.d/tripleo.cnf:/etc/my.cnf.d/tripleo.cnf:ro
                  - /var/lib/config-data/heat/etc/heat/:/etc/heat/:ro
            command: "/usr/bin/bootstrap_host_exec heat_engine su heat -s /bin/bash -c 'heat-manage db_sync'"
            environment:
              TRIPLEO_DEPLOY_IDENTIFIER: {get_param: DeployIdentifier}
        step_4:
          heat_engine:
            image: *heat_engine_image
            net: host
            privileged: false
            stop_grace_period: 60
            restart: always
            healthcheck: {get_attr: [ContainersCommon, healthcheck_rpc_port]}
            volumes:
              list_concat:
                - {get_attr: [ContainersCommon, volumes]}
                - {get_attr: [HeatEngineLogging, volumes]}
                - {get_param: HeatEngineOptVolumes}
                -
                  - /var/lib/kolla/config_files/heat_engine.json:/var/lib/kolla/config_files/config.json:ro
                  - /var/lib/config-data/puppet-generated/heat:/var/lib/kolla/config_files/src:ro
            environment:
              map_merge:
                - {get_param: HeatEngineOptEnvVars}
                - KOLLA_CONFIG_STRATEGY: COPY_ALWAYS
      host_prep_tasks:
        list_concat:
          - {get_attr: [HeatEngineLogging, host_prep_tasks]}
          - - name: enable virt_sandbox_use_netlink for healthcheck
              seboolean:
                name: virt_sandbox_use_netlink
                persistent: yes
                state: yes
      upgrade_tasks: []
      external_upgrade_tasks:
        - when:
            - step|int == 1
          tags:
            - never
            - system_upgrade_transfer_data
            - system_upgrade_stop_services
          block:
            - name: Stop heat engine container
              import_role:
                name: tripleo_container_stop
              vars:
                tripleo_containers_to_stop:
                  - heat_engine
                tripleo_delegate_to: "{{ groups['heat_engine'] | default([]) }}"